[Gluster-users] Rebalance failed on Distributed Disperse volume based on 3.12.14 version
Mauro Tridici
mauro.tridici at cmcc.it
Wed Oct 10 09:08:05 UTC 2018
Many thanks, Ashish!
It’s a good news.
I will follow your suggestion and I will start using the volume.
Furthermore, I will inform you about any errors during volume usage.
Regards,
Mauro
> Il giorno 10 ott 2018, alle ore 11:02, Ashish Pandey <aspandey at redhat.com> ha scritto:
>
>
>
> From: "Mauro Tridici" <mauro.tridici at cmcc.it>
> To: "Ashish Pandey" <aspandey at redhat.com>
> Cc: "gluster-users" <gluster-users at gluster.org>
> Sent: Wednesday, October 10, 2018 1:48:28 PM
> Subject: Re: [Gluster-users] Rebalance failed on Distributed Disperse volume based on 3.12.14 version
>
> Hi Ashish,
>
> sorry for the late.
> You can find below the outputs you need.
>
> REBALANCE STATUS:
>
> [root at s01 ~]# gluster volume rebalance tier2 status
> Node Rebalanced-files size scanned failures skipped status run time in h:m:s
> --------- ----------- ----------- ----------- ----------- ----------- ------------ --------------
> localhost 653403 36.4TB 2774605 0 63604 in progress 103:58:49
> s02-stg 558292 20.4TB 1856726 0 34295 in progress 103:58:50
> s03-stg 560233 20.2TB 1873208 0 34182 in progress 103:58:50
> s04-stg 0 0Bytes 0 0 0 failed 0:00:37
> s05-stg 0 0Bytes 0 0 0 completed 48:33:03
> s06-stg 0 0Bytes 0 0 0 completed 48:33:02
> Estimated time left for rebalance to complete : 1330:02:50
> volume rebalance: tier2: success
>
> GLUSTER VOLUME STATUS:
>
> [root at s01 ~]# gluster volume status
> Status of volume: tier2
> Gluster process TCP Port RDMA Port Online Pid
> ------------------------------------------------------------------------------
> Brick s01-stg:/gluster/mnt1/brick 49152 0 Y 3498
> Brick s02-stg:/gluster/mnt1/brick 49152 0 Y 3520
> Brick s03-stg:/gluster/mnt1/brick 49152 0 Y 3517
> Brick s01-stg:/gluster/mnt2/brick 49153 0 Y 3506
> Brick s02-stg:/gluster/mnt2/brick 49153 0 Y 3527
> Brick s03-stg:/gluster/mnt2/brick 49153 0 Y 3524
> Brick s01-stg:/gluster/mnt3/brick 49154 0 Y 3514
> Brick s02-stg:/gluster/mnt3/brick 49154 0 Y 3535
> Brick s03-stg:/gluster/mnt3/brick 49154 0 Y 3532
> Brick s01-stg:/gluster/mnt4/brick 49155 0 Y 3523
> Brick s02-stg:/gluster/mnt4/brick 49155 0 Y 3543
> Brick s03-stg:/gluster/mnt4/brick 49155 0 Y 3541
> Brick s01-stg:/gluster/mnt5/brick 49156 0 Y 3532
> Brick s02-stg:/gluster/mnt5/brick 49156 0 Y 3553
> Brick s03-stg:/gluster/mnt5/brick 49156 0 Y 3551
> Brick s01-stg:/gluster/mnt6/brick 49157 0 Y 3542
> Brick s02-stg:/gluster/mnt6/brick 49157 0 Y 3562
> Brick s03-stg:/gluster/mnt6/brick 49157 0 Y 3559
> Brick s01-stg:/gluster/mnt7/brick 49158 0 Y 3551
> Brick s02-stg:/gluster/mnt7/brick 49158 0 Y 3571
> Brick s03-stg:/gluster/mnt7/brick 49158 0 Y 3568
> Brick s01-stg:/gluster/mnt8/brick 49159 0 Y 3560
> Brick s02-stg:/gluster/mnt8/brick 49159 0 Y 3580
> Brick s03-stg:/gluster/mnt8/brick 49159 0 Y 3577
> Brick s01-stg:/gluster/mnt9/brick 49160 0 Y 3569
> Brick s02-stg:/gluster/mnt9/brick 49160 0 Y 3589
> Brick s03-stg:/gluster/mnt9/brick 49160 0 Y 3586
> Brick s01-stg:/gluster/mnt10/brick 49161 0 Y 3578
> Brick s02-stg:/gluster/mnt10/brick 49161 0 Y 3597
> Brick s03-stg:/gluster/mnt10/brick 49161 0 Y 3595
> Brick s01-stg:/gluster/mnt11/brick 49162 0 Y 3587
> Brick s02-stg:/gluster/mnt11/brick 49162 0 Y 3607
> Brick s03-stg:/gluster/mnt11/brick 49162 0 Y 3604
> Brick s01-stg:/gluster/mnt12/brick 49163 0 Y 3595
> Brick s02-stg:/gluster/mnt12/brick 49163 0 Y 3616
> Brick s03-stg:/gluster/mnt12/brick 49163 0 Y 3612
> Brick s04-stg:/gluster/mnt1/brick 49152 0 Y 3408
> Brick s05-stg:/gluster/mnt1/brick 49152 0 Y 3447
> Brick s06-stg:/gluster/mnt1/brick 49152 0 Y 3393
> Brick s04-stg:/gluster/mnt2/brick 49153 0 Y 3416
> Brick s05-stg:/gluster/mnt2/brick 49153 0 Y 3454
> Brick s06-stg:/gluster/mnt2/brick 49153 0 Y 3402
> Brick s04-stg:/gluster/mnt3/brick 49154 0 Y 3424
> Brick s05-stg:/gluster/mnt3/brick 49154 0 Y 3462
> Brick s06-stg:/gluster/mnt3/brick 49154 0 Y 3410
> Brick s04-stg:/gluster/mnt4/brick 49155 0 Y 3431
> Brick s05-stg:/gluster/mnt4/brick 49155 0 Y 3470
> Brick s06-stg:/gluster/mnt4/brick 49155 0 Y 3418
> Brick s04-stg:/gluster/mnt5/brick 49156 0 Y 3440
> Brick s05-stg:/gluster/mnt5/brick 49156 0 Y 3479
> Brick s06-stg:/gluster/mnt5/brick 49156 0 Y 3427
> Brick s04-stg:/gluster/mnt6/brick 49157 0 Y 3449
> Brick s05-stg:/gluster/mnt6/brick 49157 0 Y 3489
> Brick s06-stg:/gluster/mnt6/brick 49157 0 Y 3437
> Brick s04-stg:/gluster/mnt7/brick 49158 0 Y 3459
> Brick s05-stg:/gluster/mnt7/brick 49158 0 Y 3497
> Brick s06-stg:/gluster/mnt7/brick 49158 0 Y 3445
> Brick s04-stg:/gluster/mnt8/brick 49159 0 Y 3469
> Brick s05-stg:/gluster/mnt8/brick 49159 0 Y 3507
> Brick s06-stg:/gluster/mnt8/brick 49159 0 Y 3454
> Brick s04-stg:/gluster/mnt9/brick 49160 0 Y 3480
> Brick s05-stg:/gluster/mnt9/brick 49160 0 Y 3516
> Brick s06-stg:/gluster/mnt9/brick 49160 0 Y 3463
> Brick s04-stg:/gluster/mnt10/brick 49161 0 Y 3491
> Brick s05-stg:/gluster/mnt10/brick 49161 0 Y 3525
> Brick s06-stg:/gluster/mnt10/brick 49161 0 Y 3473
> Brick s04-stg:/gluster/mnt11/brick 49162 0 Y 3500
> Brick s05-stg:/gluster/mnt11/brick 49162 0 Y 3535
> Brick s06-stg:/gluster/mnt11/brick 49162 0 Y 3483
> Brick s04-stg:/gluster/mnt12/brick 49163 0 Y 3509
> Brick s05-stg:/gluster/mnt12/brick 49163 0 Y 3544
> Brick s06-stg:/gluster/mnt12/brick 49163 0 Y 3489
> Self-heal Daemon on localhost N/A N/A Y 3124
> Quota Daemon on localhost N/A N/A Y 3307
> Bitrot Daemon on localhost N/A N/A Y 3370
> Scrubber Daemon on localhost N/A N/A Y 3464
> Self-heal Daemon on s02-stg N/A N/A Y 3275
> Quota Daemon on s02-stg N/A N/A Y 3353
> Bitrot Daemon on s02-stg N/A N/A Y 3393
> Scrubber Daemon on s02-stg N/A N/A Y 3507
> Self-heal Daemon on s03-stg N/A N/A Y 3099
> Quota Daemon on s03-stg N/A N/A Y 3303
> Bitrot Daemon on s03-stg N/A N/A Y 3378
> Scrubber Daemon on s03-stg N/A N/A Y 3448
> Self-heal Daemon on s04-stg N/A N/A Y 3078
> Quota Daemon on s04-stg N/A N/A Y 3244
> Bitrot Daemon on s04-stg N/A N/A Y 3288
> Scrubber Daemon on s04-stg N/A N/A Y 3360
> Self-heal Daemon on s06-stg N/A N/A Y 3047
> Quota Daemon on s06-stg N/A N/A Y 3231
> Bitrot Daemon on s06-stg N/A N/A Y 3287
> Scrubber Daemon on s06-stg N/A N/A Y 3343
> Self-heal Daemon on s05-stg N/A N/A Y 3185
> Quota Daemon on s05-stg N/A N/A Y 3267
> Bitrot Daemon on s05-stg N/A N/A Y 3325
> Scrubber Daemon on s05-stg N/A N/A Y 3377
>
> Task Status of Volume tier2
> ------------------------------------------------------------------------------
> Task : Rebalance
> ID : c43e3600-79bc-4d06-801b-0d756ec980e8
> Status : in progress
>
> GLUSTER V HEAL TIER2 INFO:
>
> [root at s03 ~]# gluster v heal tier2 info
> Brick s01-stg:/gluster/mnt1/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt1/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt1/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt2/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt2/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt2/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt3/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt3/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt3/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt4/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt4/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt4/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt5/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt5/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt5/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt6/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt6/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt6/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt7/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt7/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt7/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt8/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt8/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt8/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt9/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt9/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt9/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt10/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt10/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt10/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt11/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt11/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt11/brick
> Status: Connected
> Number of entries: 0
>
> Brick s01-stg:/gluster/mnt12/brick
> Status: Connected
> Number of entries: 0
>
> Brick s02-stg:/gluster/mnt12/brick
> Status: Connected
> Number of entries: 0
>
> Brick s03-stg:/gluster/mnt12/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt1/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt1/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt1/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt2/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt2/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt2/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt3/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt3/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt3/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt4/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt4/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt4/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt5/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt5/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt5/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt6/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt6/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt6/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt7/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt7/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt7/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt8/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt8/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt8/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt9/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt9/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt9/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt10/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt10/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt10/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt11/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt11/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt11/brick
> Status: Connected
> Number of entries: 0
>
> Brick s04-stg:/gluster/mnt12/brick
> Status: Connected
> Number of entries: 0
>
> Brick s05-stg:/gluster/mnt12/brick
> Status: Connected
> Number of entries: 0
>
> Brick s06-stg:/gluster/mnt12/brick
> Status: Connected
> Number of entries: 0
>
> At this moment, the file system is not mounted.
> If it is not dangerous, I can mount it and make some tests.
>
> Question: some user need to access the gluster storage; in your opinion, can I offer the access to the storage during rebalance is running?
> If it is not possible, no problem. It is only a simple question.
>
> >>>> From EC point of view, heal info shows that volume is in healthy state.
> You can mount and use the volume without any issue even if re-balance is going on.
> If the IO's will be heavy on mount point, it might slow down the re-balance process but it will work
> without any issue (this is what expected).
> So go ahead and start using volume.
>
> Thanks,
> Mauro
>
> Il giorno 09 ott 2018, alle ore 18:39, Ashish Pandey <aspandey at redhat.com <mailto:aspandey at redhat.com>> ha scritto:
>
> Hi Mauro,
>
> I looked into the getxattr output provided by you and found that everything is fine with versions on the root of the bricks.
> I would recommend to wait for re-balance to complete.
>
> Keep posting output of following -
> 1 - re-balance status
> 2 - gluster volume status
> 3 - gluster v heal <volname> info
>
> Are you able to access the files/dirs from mount point?
> Let's try to find out the issue one by one.
>
> ---
> Ashish
>
>
>
> From: "Mauro Tridici" <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>>
> To: "Ashish Pandey" <aspandey at redhat.com <mailto:aspandey at redhat.com>>
> Cc: "gluster-users" <gluster-users at gluster.org <mailto:gluster-users at gluster.org>>
> Sent: Monday, October 8, 2018 3:33:21 PM
> Subject: Re: [Gluster-users] Rebalance failed on Distributed Disperse volume based on 3.12.14 version
>
>
> Hi Ashish,
>
> the rebalance is still running. It moved about 49.3 TB of 78 TB (estimated).
> The initial amount of data saved on the s01, s02 and s03 servers was about 156TB, so I think that half of 156TB (78TB) should be moved to the new 3 servers (s04, s05 and s06).
>
> [root at s01 status]# gluster volume rebalance tier2 status
> Node Rebalanced-files size scanned failures skipped status run time in h:m:s
> --------- ----------- ----------- ----------- ----------- ----------- ------------ --------------
> localhost 553955 20.3TB 2356786 0 61942 in progress 57:42:14
> s02-stg 293175 14.8TB 976960 0 30489 in progress 57:42:15
> s03-stg 293758 14.2TB 990518 0 30464 in progress 57:42:15
> s04-stg 0 0Bytes 0 0 0 failed 0:00:37
> s05-stg 0 0Bytes 0 0 0 completed 48:33:03
> s06-stg 0 0Bytes 0 0 0 completed 48:33:02
> Estimated time left for rebalance to complete : 981:23:02
> volume rebalance: tier2: success
>
> In attachment you will find the outputs required.
> Thank you,
> Mauro
>
>
>
>
>
> Il giorno 08 ott 2018, alle ore 11:44, Ashish Pandey <aspandey at redhat.com <mailto:aspandey at redhat.com>> ha scritto:
>
>
> Hi Mauro,
>
> What is the status of rebalace now?
>
>
> Could you please give output of following for all the bricks -
> getfattr -m. -d -e hex <root path of athe brick>
>
> You have to go to all the nodes and for all the bricks on that node you have to run above command.
> Example: on s01
>
> getfattr -m. -d -e hex /gluster/mnt1/brick
> Keep output from one node in one file si that it will be easy to analyze.
>
> ---
> Ashish
>
> From: "Mauro Tridici" <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>>
> To: "Nithya Balachandran" <nbalacha at redhat.com <mailto:nbalacha at redhat.com>>
> Cc: "gluster-users" <gluster-users at gluster.org <mailto:gluster-users at gluster.org>>
> Sent: Monday, October 8, 2018 2:27:35 PM
> Subject: Re: [Gluster-users] Rebalance failed on Distributed Disperse volume based on 3.12.14 version
>
> Hi Nithya,
>
> thank you, my answers are in lines.
>
> Il giorno 08 ott 2018, alle ore 10:43, Nithya Balachandran <nbalacha at redhat.com <mailto:nbalacha at redhat.com>> ha scritto:
>
> Hi Mauro,
>
> Yes, a rebalance consists of 2 operations for every directory:
> Fix the layout for the new volume config (newly added or removed bricks)
> Migrate files to their new hashed subvols based on the new layout
>
> Are you running a rebalance because you added new bricks to the volume ? As per an earlier email you have already run a fix-layout.
>
> Yes, we added new bricks to the volume and we already executed fix-layout before.
>
> On s04, please check the rebalance log file to see why the rebalance failed.
>
> On s04, rebalance failed after the following errors (before these lines no errors were found):
>
> [2018-10-06 00:13:37.359634] I [MSGID: 109063] [dht-layout.c:716:dht_layout_normalize] 0-tier2-dht: Found anomalies in / (gfid = 00000000-0000-0000-0000-000000000001). Holes=2 overlaps=0
> [2018-10-06 00:13:37.362424] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-7: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:37.362504] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-7: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:37.362525] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-7: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:37.363105] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-8: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:37.363163] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-8: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:37.363180] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-8: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:37.364920] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-11: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:37.364969] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-11: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:37.364985] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-11: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:37.366864] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-6: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:37.366912] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-6: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:37.366926] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-6: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:37.374818] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-9: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:37.374866] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-9: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:37.374879] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-9: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:37.406076] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-10: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:37.406145] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-10: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:37.406183] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-10: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:51.039835] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-11: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:51.039911] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-11, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:13:51.039944] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-11: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:51.039958] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-11: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:51.040441] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-7: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:51.040480] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-7, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:13:51.040518] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-7: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:51.040534] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-7: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:51.061789] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-9: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:51.061830] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-9, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:13:51.061859] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-9: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:51.061873] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-9: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:51.062283] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-8: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:51.062323] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-8, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:13:51.062353] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-8: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:51.062367] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-8: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:51.064613] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-6: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:51.064655] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-6, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:13:51.064685] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-6: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:51.064700] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-6: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:51.064727] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-10: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:51.064766] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-10, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:13:51.064794] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-10: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:51.064815] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-10: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:53.695948] I [dht-rebalance.c:4512:gf_defrag_start_crawl] 0-tier2-dht: gf_defrag_start_crawl using commit hash 3720343841
> [2018-10-06 00:13:53.696837] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-11: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:53.696906] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-11: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:53.696924] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-11: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:53.697549] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-7: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:53.697599] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-7: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:53.697620] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-7: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:53.704120] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-8: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:53.704262] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-8: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:53.704342] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-8: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:53.707260] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-10: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:53.707312] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-10: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:53.707329] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-10: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:53.718301] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-6: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:53.718350] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-6: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:53.718367] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-6: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:55.626130] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-9: Failed to get size and version [Input/output error]
> [2018-10-06 00:13:55.626207] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-9: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:13:55.626228] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-9: Failed to update version and size [Input/output error]
> [2018-10-06 00:13:55.626231] I [MSGID: 109081] [dht-common.c:4379:dht_setxattr] 0-tier2-dht: fixing the layout of /
> [2018-10-06 00:13:55.862374] I [dht-rebalance.c:5063:gf_defrag_status_get] 0-glusterfs: TIME: Estimated total time to complete (size)= 0 seconds, seconds left = 0
> [2018-10-06 00:13:55.862440] I [MSGID: 109028] [dht-rebalance.c:5143:gf_defrag_status_get] 0-glusterfs: Rebalance is in progress. Time taken is 20.00 secs
> [2018-10-06 00:13:55.862460] I [MSGID: 109028] [dht-rebalance.c:5147:gf_defrag_status_get] 0-glusterfs: Files migrated: 0, size: 0, lookups: 0, failures: 0, skipped: 0
> [2018-10-06 00:14:12.476927] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-11: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.477020] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-11, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:14:12.477077] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-11: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:14:12.477094] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-11: Failed to update version and size [Input/output error]
> [2018-10-06 00:14:12.477644] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-7: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.477695] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-7, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:14:12.477726] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-7: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:14:12.477740] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-7: Failed to update version and size [Input/output error]
> [2018-10-06 00:14:12.477853] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-8: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.477894] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-8, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:14:12.477923] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-8: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:14:12.477937] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-8: Failed to update version and size [Input/output error]
> [2018-10-06 00:14:12.486862] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-6: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.486902] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-6, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:14:12.486929] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-6: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:14:12.486944] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-6: Failed to update version and size [Input/output error]
> [2018-10-06 00:14:12.493872] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-10: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.493912] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-10, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:14:12.493939] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-10: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:14:12.493954] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-10: Failed to update version and size [Input/output error]
> [2018-10-06 00:14:12.494560] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-9: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.494598] E [MSGID: 109006] [dht-selfheal.c:673:dht_selfheal_dir_xattr_cbk] 0-tier2-dht: layout setxattr failed on tier2-disperse-9, path:/ gfid:00000000-0000-0000-0000-000000000001 [Input/output error]
> [2018-10-06 00:14:12.494624] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-9: Insufficient available children for this request (have 0, need 4)
> [2018-10-06 00:14:12.494640] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-9: Failed to update version and size [Input/output error]
> [2018-10-06 00:14:12.795320] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-7: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.795366] E [MSGID: 109039] [dht-common.c:3113:dht_find_local_subvol_cbk] 0-tier2-dht: getxattr err for dir [Input/output error]
> [2018-10-06 00:14:12.795796] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-11: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.795834] E [MSGID: 109039] [dht-common.c:3113:dht_find_local_subvol_cbk] 0-tier2-dht: getxattr err for dir [Input/output error]
> [2018-10-06 00:14:12.804770] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-6: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.804803] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-10: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.804811] E [MSGID: 109039] [dht-common.c:3113:dht_find_local_subvol_cbk] 0-tier2-dht: getxattr err for dir [Input/output error]
> [2018-10-06 00:14:12.804850] E [MSGID: 109039] [dht-common.c:3113:dht_find_local_subvol_cbk] 0-tier2-dht: getxattr err for dir [Input/output error]
> [2018-10-06 00:14:12.808500] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-8: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.808563] E [MSGID: 109039] [dht-common.c:3113:dht_find_local_subvol_cbk] 0-tier2-dht: getxattr err for dir [Input/output error]
> [2018-10-06 00:14:12.812431] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-9: Failed to get size and version [Input/output error]
> [2018-10-06 00:14:12.812468] E [MSGID: 109039] [dht-common.c:3113:dht_find_local_subvol_cbk] 0-tier2-dht: getxattr err for dir [Input/output error]
> [2018-10-06 00:14:12.812497] E [MSGID: 0] [dht-rebalance.c:4336:dht_get_local_subvols_and_nodeuuids] 0-tier2-dht: local subvolume determination failed with error: 5 [Input/output error]
> [2018-10-06 00:14:12.812700] I [MSGID: 109028] [dht-rebalance.c:5143:gf_defrag_status_get] 0-tier2-dht: Rebalance is failed. Time taken is 37.00 secs
> [2018-10-06 00:14:12.812720] I [MSGID: 109028] [dht-rebalance.c:5147:gf_defrag_status_get] 0-tier2-dht: Files migrated: 0, size: 0, lookups: 0, failures: 0, skipped: 0
> [2018-10-06 00:14:12.812870] W [glusterfsd.c:1375:cleanup_and_exit] (-->/lib64/libpthread.so.0(+0x7e25) [0x7efe75d18e25] -->/usr/sbin/glusterfs(glusterfs_sigwaiter+0xe5) [0x5623973d64b5] -->/usr/sbin/glusterfs(cleanup_and_exit+0x6b) [0x5623973d632b] ) 0-: received signum (15), shutting down
>
> Regards,
> Mauro
>
>
>
> Regards,
> Nithya
>
> On 8 October 2018 at 13:22, Mauro Tridici <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>> wrote:
> Hi All,
>
> for your information, this is the current rebalance status:
>
> [root at s01 ~]# gluster volume rebalance tier2 status
> Node Rebalanced-files size scanned failures skipped status run time in h:m:s
> --------- ----------- ----------- ----------- ----------- ----------- ------------ --------------
> localhost 551922 20.3TB 2349397 0 61849 in progress 55:25:38
> s02-stg 287631 13.2TB 959954 0 30262 in progress 55:25:39
> s03-stg 288523 12.7TB 973111 0 30220 in progress 55:25:39
> s04-stg 0 0Bytes 0 0 0 failed 0:00:37
> s05-stg 0 0Bytes 0 0 0 completed 48:33:03
> s06-stg 0 0Bytes 0 0 0 completed 48:33:02
> Estimated time left for rebalance to complete : 1023:49:56
> volume rebalance: tier2: success
>
> Rebalance is migrating files on s05, s06 servers and on s04 too (although it is marked as failed).
> s05 and s06 tasks are completed.
>
> Questions:
>
> 1) it seems that rebalance is moving files, but it is fixing the layout also, is it normal?
> 2) when rebalance will be completed, what we need to do before return the gluster storage to the users? We have to launch rebalance again in order to involve s04 server too or a fix-layout to eventually fix some error on s04?
>
> Thank you very much,
> Mauro
>
> Il giorno 07 ott 2018, alle ore 10:29, Mauro Tridici <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>> ha scritto:
>
>
> Hi All,
>
> some important updates about the issue mentioned below.
> After rebalance failed on all the servers, I decided to:
>
> - stop gluster volume
> - reboot the servers
> - start gluster volume
> - change some gluster volume options
> - start the rebalance again
>
> The options that I changed are listed below after reading some threads on gluster users mailing list:
>
> BEFORE CHANGE:
> gluster volume set tier2 network.ping-timeout 02
> gluster volume set all cluster.brick-multiplex on
> gluster volume set tier2 cluster.server-quorum-ratio 51%
> gluster volume set tier2 cluster.server-quorum-type server
> gluster volume set tier2 cluster.quorum-type auto
>
> AFTER CHANGE:
>
> gluster volume set tier2 network.ping-timeout 42
> gluster volume set all cluster.brick-multiplex off
> gluster volume set tier2 cluster.server-quorum-ratio none
> gluster volume set tier2 cluster.server-quorum-type none
> gluster volume set tier2 cluster.quorum-type none
>
> The result was that rebalance starts moving data from s01, s02 ed s03 servers to s05 and s06 servers (the new added ones), but it failed on s04 server after 37 seconds.
> The rebalance is still running and moving data as you can see from the output:
>
> [root at s01 ~]# gluster volume rebalance tier2 status
> Node Rebalanced-files size scanned failures skipped status run time in h:m:s
> --------- ----------- ----------- ----------- ----------- ----------- ------------ --------------
> localhost 286680 12.6TB 1217960 0 43343 in progress 32:10:24
> s02-stg 126291 12.4TB 413077 0 21932 in progress 32:10:25
> s03-stg 126516 11.9TB 433014 0 21870 in progress 32:10:25
> s04-stg 0 0Bytes 0 0 0 failed 0:00:37
> s05-stg 0 0Bytes 0 0 0 in progress 32:10:25
> s06-stg 0 0Bytes 0 0 0 in progress 32:10:25
> Estimated time left for rebalance to complete : 624:47:48
> volume rebalance: tier2: success
>
> When rebalance will be completed, we are planning to re-launch it to try to involve s04 server also.
> Do you have some idea about what happened in my previous message and why, now, rebalance it’s running although it’s not involve s04 server?
>
> In attachment the complete tier2-rebalance.log file related to s04 server.
>
> Thank you very much for your help,
> Mauro
>
>
>
> <tier2-rebalance.log.gz>
>
>
> Il giorno 06 ott 2018, alle ore 02:01, Mauro Tridici <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>> ha scritto:
>
> Hi All,
>
> since we need to restore gluster storage as soon as possible, we decided to ignore the few files that could be lost and to go ahead.
> So we cleaned all bricks content of servers s04, s05 and s06.
>
> As planned some days ago, we executed the following commands:
>
> gluster peer detach s04
> gluster peer detach s05
> gluster peer detach s06
>
> gluster peer probe s04
> gluster peer probe s05
> gluster peer probe s06
>
> gluster volume add-brick tier2 s04-stg:/gluster/mnt1/brick s05-stg:/gluster/mnt1/brick s06-stg:/gluster/mnt1/brick s04-stg:/gluster/mnt2/brick s05-stg:/gluster/mnt2/brick s06-stg:/gluster/mnt2/brick s04-stg:/gluster/mnt3/brick s05-stg:/gluster/mnt3/brick s06-stg:/gluster/mnt3/brick s04-stg:/gluster/mnt4/brick s05-stg:/gluster/mnt4/brick s06-stg:/gluster/mnt4/brick s04-stg:/gluster/mnt5/brick s05-stg:/gluster/mnt5/brick s06-stg:/gluster/mnt5/brick s04-stg:/gluster/mnt6/brick s05-stg:/gluster/mnt6/brick s06-stg:/gluster/mnt6/brick s04-stg:/gluster/mnt7/brick s05-stg:/gluster/mnt7/brick s06-stg:/gluster/mnt7/brick s04-stg:/gluster/mnt8/brick s05-stg:/gluster/mnt8/brick s06-stg:/gluster/mnt8/brick s04-stg:/gluster/mnt9/brick s05-stg:/gluster/mnt9/brick s06-stg:/gluster/mnt9/brick s04-stg:/gluster/mnt10/brick s05-stg:/gluster/mnt10/brick s06-stg:/gluster/mnt10/brick s04-stg:/gluster/mnt11/brick s05-stg:/gluster/mnt11/brick s06-stg:/gluster/mnt11/brick s04-stg:/gluster/mnt12/brick s05-stg:/gluster/mnt12/brick s06-stg:/gluster/mnt12/brick force
>
> gluster volume rebalance tier2 fix-layout start
>
> Everything seem to be fine and fix-layout ended.
>
> [root at s01 ~]# gluster volume rebalance tier2 status
> Node status run time in h:m:s
> --------- ----------- ------------
> localhost fix-layout completed 12:11:6
> s02-stg fix-layout completed 12:11:18
> s03-stg fix-layout completed 12:11:12
> s04-stg fix-layout completed 12:11:20
> s05-stg fix-layout completed 12:11:14
> s06-stg fix-layout completed 12:10:47
> volume rebalance: tier2: success
>
> [root at s01 ~]# gluster volume info
>
> Volume Name: tier2
> Type: Distributed-Disperse
> Volume ID: a28d88c5-3295-4e35-98d4-210b3af9358c
> Status: Started
> Snapshot Count: 0
> Number of Bricks: 12 x (4 + 2) = 72
> Transport-type: tcp
> Bricks:
> Brick1: s01-stg:/gluster/mnt1/brick
> Brick2: s02-stg:/gluster/mnt1/brick
> Brick3: s03-stg:/gluster/mnt1/brick
> Brick4: s01-stg:/gluster/mnt2/brick
> Brick5: s02-stg:/gluster/mnt2/brick
> Brick6: s03-stg:/gluster/mnt2/brick
> Brick7: s01-stg:/gluster/mnt3/brick
> Brick8: s02-stg:/gluster/mnt3/brick
> Brick9: s03-stg:/gluster/mnt3/brick
> Brick10: s01-stg:/gluster/mnt4/brick
> Brick11: s02-stg:/gluster/mnt4/brick
> Brick12: s03-stg:/gluster/mnt4/brick
> Brick13: s01-stg:/gluster/mnt5/brick
> Brick14: s02-stg:/gluster/mnt5/brick
> Brick15: s03-stg:/gluster/mnt5/brick
> Brick16: s01-stg:/gluster/mnt6/brick
> Brick17: s02-stg:/gluster/mnt6/brick
> Brick18: s03-stg:/gluster/mnt6/brick
> Brick19: s01-stg:/gluster/mnt7/brick
> Brick20: s02-stg:/gluster/mnt7/brick
> Brick21: s03-stg:/gluster/mnt7/brick
> Brick22: s01-stg:/gluster/mnt8/brick
> Brick23: s02-stg:/gluster/mnt8/brick
> Brick24: s03-stg:/gluster/mnt8/brick
> Brick25: s01-stg:/gluster/mnt9/brick
> Brick26: s02-stg:/gluster/mnt9/brick
> Brick27: s03-stg:/gluster/mnt9/brick
> Brick28: s01-stg:/gluster/mnt10/brick
> Brick29: s02-stg:/gluster/mnt10/brick
> Brick30: s03-stg:/gluster/mnt10/brick
> Brick31: s01-stg:/gluster/mnt11/brick
> Brick32: s02-stg:/gluster/mnt11/brick
> Brick33: s03-stg:/gluster/mnt11/brick
> Brick34: s01-stg:/gluster/mnt12/brick
> Brick35: s02-stg:/gluster/mnt12/brick
> Brick36: s03-stg:/gluster/mnt12/brick
> Brick37: s04-stg:/gluster/mnt1/brick
> Brick38: s05-stg:/gluster/mnt1/brick
> Brick39: s06-stg:/gluster/mnt1/brick
> Brick40: s04-stg:/gluster/mnt2/brick
> Brick41: s05-stg:/gluster/mnt2/brick
> Brick42: s06-stg:/gluster/mnt2/brick
> Brick43: s04-stg:/gluster/mnt3/brick
> Brick44: s05-stg:/gluster/mnt3/brick
> Brick45: s06-stg:/gluster/mnt3/brick
> Brick46: s04-stg:/gluster/mnt4/brick
> Brick47: s05-stg:/gluster/mnt4/brick
> Brick48: s06-stg:/gluster/mnt4/brick
> Brick49: s04-stg:/gluster/mnt5/brick
> Brick50: s05-stg:/gluster/mnt5/brick
> Brick51: s06-stg:/gluster/mnt5/brick
> Brick52: s04-stg:/gluster/mnt6/brick
> Brick53: s05-stg:/gluster/mnt6/brick
> Brick54: s06-stg:/gluster/mnt6/brick
> Brick55: s04-stg:/gluster/mnt7/brick
> Brick56: s05-stg:/gluster/mnt7/brick
> Brick57: s06-stg:/gluster/mnt7/brick
> Brick58: s04-stg:/gluster/mnt8/brick
> Brick59: s05-stg:/gluster/mnt8/brick
> Brick60: s06-stg:/gluster/mnt8/brick
> Brick61: s04-stg:/gluster/mnt9/brick
> Brick62: s05-stg:/gluster/mnt9/brick
> Brick63: s06-stg:/gluster/mnt9/brick
> Brick64: s04-stg:/gluster/mnt10/brick
> Brick65: s05-stg:/gluster/mnt10/brick
> Brick66: s06-stg:/gluster/mnt10/brick
> Brick67: s04-stg:/gluster/mnt11/brick
> Brick68: s05-stg:/gluster/mnt11/brick
> Brick69: s06-stg:/gluster/mnt11/brick
> Brick70: s04-stg:/gluster/mnt12/brick
> Brick71: s05-stg:/gluster/mnt12/brick
> Brick72: s06-stg:/gluster/mnt12/brick
> Options Reconfigured:
> network.ping-timeout: 42
> features.scrub: Active
> features.bitrot: on
> features.inode-quota: on
> features.quota: on
> performance.client-io-threads: on
> cluster.min-free-disk: 10
> cluster.quorum-type: none
> transport.address-family: inet
> nfs.disable: on
> server.event-threads: 4
> client.event-threads: 4
> cluster.lookup-optimize: on
> performance.readdir-ahead: on
> performance.parallel-readdir: off
> cluster.readdir-optimize: on
> features.cache-invalidation: on
> features.cache-invalidation-timeout: 600
> performance.stat-prefetch: on
> performance.cache-invalidation: on
> performance.md-cache-timeout: 600
> network.inode-lru-limit: 50000
> performance.io <http://performance.io/>-cache: off
> disperse.cpu-extensions: auto
> performance.io <http://performance.io/>-thread-count: 16
> features.quota-deem-statfs: on
> features.default-soft-limit: 90
> cluster.server-quorum-type: none
> diagnostics.latency-measurement: on
> diagnostics.count-fop-hits: on
> cluster.brick-multiplex: off
> cluster.server-quorum-ratio: 51%
>
> The last step should be the data rebalance between the servers, but rebalance failed soon with a lot of errors like the following ones:
>
> [2018-10-05 23:48:38.644978] I [MSGID: 114035] [client-handshake.c:202:client_set_lk_version_cbk] 0-tier2-client-70: Server lk version = 1
> [2018-10-05 23:48:44.735323] I [dht-rebalance.c:4512:gf_defrag_start_crawl] 0-tier2-dht: gf_defrag_start_crawl using commit hash 3720331860
> [2018-10-05 23:48:44.736205] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-7: Failed to get size and version [Input/output error]
> [2018-10-05 23:48:44.736266] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-7: Insufficient available children for this request (have 0, need 4)
> [2018-10-05 23:48:44.736282] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-7: Failed to update version and size [Input/output error]
> [2018-10-05 23:48:44.736377] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-8: Failed to get size and version [Input/output error]
> [2018-10-05 23:48:44.736436] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-8: Insufficient available children for this request (have 0, need 4)
> [2018-10-05 23:48:44.736459] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-8: Failed to update version and size [Input/output error]
> [2018-10-05 23:48:44.736460] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-10: Failed to get size and version [Input/output error]
> [2018-10-05 23:48:44.736537] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-9: Failed to get size and version [Input/output error]
> [2018-10-05 23:48:44.736571] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-10: Insufficient available children for this request (have 0, need 4)
> [2018-10-05 23:48:44.736574] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-9: Insufficient available children for this request (have 0, need 4)
> [2018-10-05 23:48:44.736604] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-9: Failed to update version and size [Input/output error]
> [2018-10-05 23:48:44.736604] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-10: Failed to update version and size [Input/output error]
> [2018-10-05 23:48:44.736827] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-11: Failed to get size and version [Input/output error]
> [2018-10-05 23:48:44.736887] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-11: Insufficient available children for this request (have 0, need 4)
> [2018-10-05 23:48:44.736904] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-11: Failed to update version and size [Input/output error]
> [2018-10-05 23:48:44.740337] W [MSGID: 122040] [ec-common.c:1097:ec_prepare_update_cbk] 0-tier2-disperse-6: Failed to get size and version [Input/output error]
> [2018-10-05 23:48:44.740381] E [MSGID: 122034] [ec-common.c:613:ec_child_select] 0-tier2-disperse-6: Insufficient available children for this request (have 0, need 4)
> [2018-10-05 23:48:44.740394] E [MSGID: 122037] [ec-common.c:2040:ec_update_size_version_done] 0-tier2-disperse-6: Failed to update version and size [Input/output error]
> [2018-10-05 23:48:50.066103] I [MSGID: 109081] [dht-common.c:4379:dht_setxattr] 0-tier2-dht: fixing the layout of /
>
> In attachment you can find the first logs captured during the rebalance execution.
> In your opinion, is there a way to restore the gluster storage or all the data have been lost?
>
> Thank you in advance,
> Mauro
>
>
> <rebalance_log.txt>
>
>
>
>
> Il giorno 04 ott 2018, alle ore 15:31, Mauro Tridici <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>> ha scritto:
>
>
> Hi Nithya,
>
> thank you very much.
> This is the current “gluster volume info” output after removing bricks (and after peer detach command).
>
> [root at s01 ~]# gluster volume info
>
> Volume Name: tier2
> Type: Distributed-Disperse
> Volume ID: a28d88c5-3295-4e35-98d4-210b3af9358c
> Status: Started
> Snapshot Count: 0
> Number of Bricks: 6 x (4 + 2) = 36
> Transport-type: tcp
> Bricks:
> Brick1: s01-stg:/gluster/mnt1/brick
> Brick2: s02-stg:/gluster/mnt1/brick
> Brick3: s03-stg:/gluster/mnt1/brick
> Brick4: s01-stg:/gluster/mnt2/brick
> Brick5: s02-stg:/gluster/mnt2/brick
> Brick6: s03-stg:/gluster/mnt2/brick
> Brick7: s01-stg:/gluster/mnt3/brick
> Brick8: s02-stg:/gluster/mnt3/brick
> Brick9: s03-stg:/gluster/mnt3/brick
> Brick10: s01-stg:/gluster/mnt4/brick
> Brick11: s02-stg:/gluster/mnt4/brick
> Brick12: s03-stg:/gluster/mnt4/brick
> Brick13: s01-stg:/gluster/mnt5/brick
> Brick14: s02-stg:/gluster/mnt5/brick
> Brick15: s03-stg:/gluster/mnt5/brick
> Brick16: s01-stg:/gluster/mnt6/brick
> Brick17: s02-stg:/gluster/mnt6/brick
> Brick18: s03-stg:/gluster/mnt6/brick
> Brick19: s01-stg:/gluster/mnt7/brick
> Brick20: s02-stg:/gluster/mnt7/brick
> Brick21: s03-stg:/gluster/mnt7/brick
> Brick22: s01-stg:/gluster/mnt8/brick
> Brick23: s02-stg:/gluster/mnt8/brick
> Brick24: s03-stg:/gluster/mnt8/brick
> Brick25: s01-stg:/gluster/mnt9/brick
> Brick26: s02-stg:/gluster/mnt9/brick
> Brick27: s03-stg:/gluster/mnt9/brick
> Brick28: s01-stg:/gluster/mnt10/brick
> Brick29: s02-stg:/gluster/mnt10/brick
> Brick30: s03-stg:/gluster/mnt10/brick
> Brick31: s01-stg:/gluster/mnt11/brick
> Brick32: s02-stg:/gluster/mnt11/brick
> Brick33: s03-stg:/gluster/mnt11/brick
> Brick34: s01-stg:/gluster/mnt12/brick
> Brick35: s02-stg:/gluster/mnt12/brick
> Brick36: s03-stg:/gluster/mnt12/brick
> Options Reconfigured:
> network.ping-timeout: 0
> features.scrub: Active
> features.bitrot: on
> features.inode-quota: on
> features.quota: on
> performance.client-io-threads: on
> cluster.min-free-disk: 10
> cluster.quorum-type: auto
> transport.address-family: inet
> nfs.disable: on
> server.event-threads: 4
> client.event-threads: 4
> cluster.lookup-optimize: on
> performance.readdir-ahead: on
> performance.parallel-readdir: off
> cluster.readdir-optimize: on
> features.cache-invalidation: on
> features.cache-invalidation-timeout: 600
> performance.stat-prefetch: on
> performance.cache-invalidation: on
> performance.md-cache-timeout: 600
> network.inode-lru-limit: 50000
> performance.io <http://performance.io/>-cache: off
> disperse.cpu-extensions: auto
> performance.io <http://performance.io/>-thread-count: 16
> features.quota-deem-statfs: on
> features.default-soft-limit: 90
> cluster.server-quorum-type: server
> diagnostics.latency-measurement: on
> diagnostics.count-fop-hits: on
> cluster.brick-multiplex: on
> cluster.server-quorum-ratio: 51%
>
> Regards,
> Mauro
>
> Il giorno 04 ott 2018, alle ore 15:22, Nithya Balachandran <nbalacha at redhat.com <mailto:nbalacha at redhat.com>> ha scritto:
>
> Hi Mauro,
>
>
> The files on s04 and s05 can be deleted safely as long as those bricks have been removed from the volume and their brick processes are not running.
>
>
> .glusterfs/indices/xattrop/xattrop-* are links to files that need to be healed.
> .glusterfs/quarantine/stub-00000000-0000-0000-0000-000000000008 links to files that bitrot (if enabled)says are corrupted. (none in this case)
>
>
> I will get back to you on s06. Can you please provide the output of gluster volume info again?
>
> Regards,
> Nithya
>
>
>
> On 4 October 2018 at 13:47, Mauro Tridici <mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>> wrote:
>
>
> Dear Ashish, Dear Nithya,
>
> I’m writing this message only to summarize and simplify the information about the "not migrated” files left on removed bricks on server s04, s05 and s06.
> In attachment, you can find 3 files (1 file for each server) containing the “not migrated” files lists and related brick number.
>
> In particular:
> s04 and s05 bricks contain only not migrated files in hidden directories “/gluster/mnt#/brick/.glusterfs" (I could delete them, doesn’t it?)
> s06 bricks contain
> not migrated files in hidden directories “/gluster/mnt#/brick/.glusterfs”;
> not migrated files with size equal to 0;
> not migrated files with size greater than 0.
>
> I think it was necessary to collect and summarize information to simplify your analysis.
> Thank you very much,
> Mauro
>
>
>
>
>
>
>
> _______________________________________________
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> Gluster-users at gluster.org <mailto:Gluster-users at gluster.org>
> https://lists.gluster.org/mailman/listinfo/gluster-users <https://lists.gluster.org/mailman/listinfo/gluster-users>
>
>
>
>
> _______________________________________________
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>
>
>
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>
-------------------------
Mauro Tridici
Fondazione CMCC
CMCC Supercomputing Center
presso Complesso Ecotekne - Università del Salento -
Strada Prov.le Lecce - Monteroni sn
73100 Lecce IT
http://www.cmcc.it
mobile: (+39) 327 5630841
email: mauro.tridici at cmcc.it <mailto:mauro.tridici at cmcc.it>
https://it.linkedin.com/in/mauro-tridici-5977238b
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