[Gluster-users] missing files on FUSE mount

Mahdi Adnan mahdi at sysmin.io
Wed Nov 4 07:59:12 UTC 2020 

Hello Martín,

 Try to disable "performance.readdir-ahead", we had a similar issue, and
disabling "performance.readdir-ahead" solved our issue.
gluster volume set tapeless performance.readdir-ahead off

On Tue, Oct 27, 2020 at 8:23 PM Martín Lorenzo <mlorenzo at gmail.com> wrote:

> Hi Strahil, today we have the same number clients on all nodes, but the
> problem persists. I have the impression that it gets more frequent as the
> server capacity fills up, now we are having at least one incident per day.
> Regards,
> Martin
>
> On Mon, Oct 26, 2020 at 8:09 AM Martín Lorenzo <mlorenzo at gmail.com> wrote:
>
>> HI Strahil, thanks for your reply,
>> I had one node with 13 clients, the rest with 14. I've just restarted the
>> services on that node, now I have 14, let's see what happens.
>> Regarding the samba repos, I wasn't aware of that, I was using centos
>> main repo. I'll check the out
>> Best Regards,
>> Martin
>>
>>
>> On Tue, Oct 20, 2020 at 3:19 PM Strahil Nikolov <hunter86_bg at yahoo.com>
>> wrote:
>>
>>> Do you have the same ammount of clients connected to each brick ?
>>>
>>> I guess something like this can show it:
>>>
>>> gluster volume status VOL clients
>>> gluster volume status VOL client-list
>>>
>>> Best Regards,
>>> Strahil Nikolov
>>>
>>>
>>>
>>>
>>>
>>>
>>> В вторник, 20 октомври 2020 г., 15:41:45 Гринуич+3, Martín Lorenzo <
>>> mlorenzo at gmail.com> написа:
>>>
>>>
>>>
>>>
>>>
>>> Hi, I have the following problem, I have a distributed replicated
>>> cluster set up with samba and CTDB, over fuse mount points
>>> I am having inconsistencies across the FUSE mounts, users report that
>>> files are disappearing after being copied/moved. I take a look at the mount
>>> points on each node, and they don't display the same data
>>>
>>> #### faulty mount point####
>>> [root at gluster6 ARRIBA GENTE martes 20 de octubre]# ll
>>> ls: cannot access PANEO VUELTA A CLASES CON TAPABOCAS.mpg: No such file
>>> or directory
>>> ls: cannot access PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg: No such file
>>> or directory
>>> total 633723
>>> drwxr-xr-x. 5 arribagente PN      4096 Oct 19 10:52 COMERCIAL AG martes
>>> 20 de octubre
>>> -rw-r--r--. 1 arribagente PN 648927236 Jun  3 07:16 PANEO FACHADA
>>> PALACIO LEGISLATIVO DRONE DIA Y NOCHE.mpg
>>> -?????????? ? ?           ?          ?            ? PANEO NIÑOS ESCUELAS
>>> CON TAPABOCAS.mpg
>>> -?????????? ? ?           ?          ?            ? PANEO VUELTA A
>>> CLASES CON TAPABOCAS.mpg
>>>
>>>
>>> ###healthy mount point###
>>> [root at gluster7 ARRIBA GENTE martes 20 de octubre]# ll
>>> total 3435596
>>> drwxr-xr-x. 5 arribagente PN       4096 Oct 19 10:52 COMERCIAL AG martes
>>> 20 de octubre
>>> -rw-r--r--. 1 arribagente PN  648927236 Jun  3 07:16 PANEO FACHADA
>>> PALACIO LEGISLATIVO DRONE DIA Y NOCHE.mpg
>>> -rw-r--r--. 1 arribagente PN 2084415492 Aug 18 09:14 PANEO NIÑOS
>>> ESCUELAS CON TAPABOCAS.mpg
>>> -rw-r--r--. 1 arribagente PN  784701444 Sep  4 07:23 PANEO VUELTA A
>>> CLASES CON TAPABOCAS.mpg
>>>
>>>  - So far the only way to solve this is to create a directory in the
>>> healthy mount point, on the same path:
>>> [root at gluster7 ARRIBA GENTE martes 20 de octubre]# mkdir hola
>>>
>>> - When you refresh the other mountpoint, and the issue is resolved:
>>> [root at gluster6 ARRIBA GENTE martes 20 de octubre]# ll
>>> total 3435600
>>> drwxr-xr-x. 5 arribagente PN         4096 Oct 19 10:52 COMERCIAL AG
>>> martes 20 de octubre
>>> drwxr-xr-x. 2 root        root       4096 Oct 20 08:45 hola
>>> -rw-r--r--. 1 arribagente PN    648927236 Jun  3 07:16 PANEO FACHADA
>>> PALACIO LEGISLATIVO DRONE DIA Y NOCHE.mpg
>>> -rw-r--r--. 1 arribagente PN   2084415492 Aug 18 09:14 PANEO NIÑOS
>>> ESCUELAS CON TAPABOCAS.mpg
>>> -rw-r--r--. 1 arribagente PN    784701444 Sep  4 07:23 PANEO VUELTA A
>>> CLASES CON TAPABOCAS.mpg
>>>
>>> Interestingly, the error occurs on the mount point where the files were
>>> copied. They don't show up as pending heal entries. I have around 15 people
>>> using them over samba, I think I'm having this issue reported every two
>>> days.
>>>
>>> I have an older cluster with similar issues, different gluster version,
>>> but a very similar topology (4 bricks, initially two bricks then expanded)
>>> Please note , the bricks aren't the same size (but their replicas are),
>>> so my other suspicion is that rebalancing has something to do with it.
>>>
>>> I'm trying to reproduce it over a small virtualized cluster, so far no
>>> results.
>>>
>>> Here are the cluster details
>>> four nodes, replica 2, plus one arbiter hosting 2 bricks
>>>
>>> I have 2 bricks with ~20 TB capacity and the other pair is ~48TB
>>> Volume Name: tapeless
>>> Type: Distributed-Replicate
>>> Volume ID: 53bfa86d-b390-496b-bbd7-c4bba625c956
>>> Status: Started
>>> Snapshot Count: 0
>>> Number of Bricks: 2 x (2 + 1) = 6
>>> Transport-type: tcp
>>> Bricks:
>>> Brick1: gluster6.glustersaeta.net:/data/glusterfs/tapeless/brick_6/brick
>>> Brick2: gluster7.glustersaeta.net:/data/glusterfs/tapeless/brick_7/brick
>>> Brick3: kitchen-store.glustersaeta.net:/data/glusterfs/tapeless/brick_1a/brick
>>> (arbiter)
>>> Brick4: gluster12.glustersaeta.net:
>>> /data/glusterfs/tapeless/brick_12/brick
>>> Brick5: gluster13.glustersaeta.net:
>>> /data/glusterfs/tapeless/brick_13/brick
>>> Brick6: kitchen-store.glustersaeta.net:/data/glusterfs/tapeless/brick_2a/brick
>>> (arbiter)
>>> Options Reconfigured:
>>> features.quota-deem-statfs: on
>>> performance.client-io-threads: on
>>> nfs.disable: on
>>> transport.address-family: inet
>>> features.quota: on
>>> features.inode-quota: on
>>> features.cache-invalidation: on
>>> features.cache-invalidation-timeout: 600
>>> performance.cache-samba-metadata: on
>>> performance.stat-prefetch: on
>>> performance.cache-invalidation: on
>>> performance.md-cache-timeout: 600
>>> network.inode-lru-limit: 200000
>>> performance.nl-cache: on
>>> performance.nl-cache-timeout: 600
>>> performance.readdir-ahead: on
>>> performance.parallel-readdir: on
>>> performance.cache-size: 1GB
>>> client.event-threads: 4
>>> server.event-threads: 4
>>> performance.normal-prio-threads: 16
>>> performance.io-thread-count: 32
>>> performance.write-behind-window-size: 8MB
>>> storage.batch-fsync-delay-usec: 0
>>> cluster.data-self-heal: on
>>> cluster.metadata-self-heal: on
>>> cluster.entry-self-heal: on
>>> cluster.self-heal-daemon: on
>>> performance.write-behind: on
>>> performance.open-behind: on
>>>
>>> Log section form faulty mount point. I think the [file exists] entries
>>> are from people trying to copy the missing files over an over
>>>
>>>
>>> [2020-10-20 11:31:03.034220] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:32:06.684329] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:33:02.191863] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:34:05.841608] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:35:20.736633] I [MSGID: 108026]
>>> [afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do]
>>> 0-tapeless-replicate-1: performing metadata selfheal on
>>> 958dbd7a-3cd7-4b66-9038-76e5c5669644
>>> [2020-10-20 11:35:20.741213] I [MSGID: 108026]
>>> [afr-self-heal-common.c:1750:afr_log_selfheal] 0-tapeless-replicate-1:
>>> Completed metadata selfheal on 958dbd7a-3cd7-4b66-9038-76e5c5669644.
>>> sources=[0] 1  sinks=2
>>> [2020-10-20 11:35:04.278043] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> The message "I [MSGID: 108026]
>>> [afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do]
>>> 0-tapeless-replicate-1: performing metadata selfheal on
>>> 958dbd7a-3cd7-4b66-9038-76e5c5669644" repeated 3 times between [2020-10-20
>>> 11:35:20.736633] and [2020-10-20 11:35:26.733298]
>>> The message "I [MSGID: 108026]
>>> [afr-self-heal-common.c:1750:afr_log_selfheal] 0-tapeless-replicate-1:
>>> Completed metadata selfheal on 958dbd7a-3cd7-4b66-9038-76e5c5669644.
>>> sources=[0] 1  sinks=2 " repeated 3 times between [2020-10-20
>>> 11:35:20.741213] and [2020-10-20 11:35:26.737629]
>>> [2020-10-20 11:36:02.548350] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:36:57.365537] I [MSGID: 108026]
>>> [afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do]
>>> 0-tapeless-replicate-1: performing metadata selfheal on
>>> f4907af2-1775-4c46-89b5-e9776df6d5c7
>>> [2020-10-20 11:36:57.370824] I [MSGID: 108026]
>>> [afr-self-heal-common.c:1750:afr_log_selfheal] 0-tapeless-replicate-1:
>>> Completed metadata selfheal on f4907af2-1775-4c46-89b5-e9776df6d5c7.
>>> sources=[0] 1  sinks=2
>>> [2020-10-20 11:37:01.363925] I [MSGID: 108026]
>>> [afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do]
>>> 0-tapeless-replicate-1: performing metadata selfheal on
>>> f4907af2-1775-4c46-89b5-e9776df6d5c7
>>> [2020-10-20 11:37:01.368069] I [MSGID: 108026]
>>> [afr-self-heal-common.c:1750:afr_log_selfheal] 0-tapeless-replicate-1:
>>> Completed metadata selfheal on f4907af2-1775-4c46-89b5-e9776df6d5c7.
>>> sources=[0] 1  sinks=2
>>> The message "I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0" repeated 3 times between
>>> [2020-10-20 11:36:02.548350] and [2020-10-20 11:37:36.389208]
>>> [2020-10-20 11:38:07.367113] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:39:01.595981] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:40:04.184899] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:41:07.833470] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:42:01.871621] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:43:04.399194] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:44:04.558647] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:44:15.953600] W [MSGID: 114031]
>>> [client-rpc-fops_v2.c:2114:client4_0_create_cbk] 0-tapeless-client-5:
>>> remote operation failed. Path: /PN/arribagente/PLAYER 2020/ARRIBA GENTE
>>> martes 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg [File exists]
>>> [2020-10-20 11:44:15.953819] W [MSGID: 114031]
>>> [client-rpc-fops_v2.c:2114:client4_0_create_cbk] 0-tapeless-client-2:
>>> remote operation failed. Path: /PN/arribagente/PLAYER 2020/ARRIBA GENTE
>>> martes 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg [File exists]
>>> [2020-10-20 11:44:15.954072] W [MSGID: 114031]
>>> [client-rpc-fops_v2.c:2114:client4_0_create_cbk] 0-tapeless-client-3:
>>> remote operation failed. Path: /PN/arribagente/PLAYER 2020/ARRIBA GENTE
>>> martes 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg [File exists]
>>> [2020-10-20 11:44:15.954680] W [fuse-bridge.c:2606:fuse_create_cbk]
>>> 0-glusterfs-fuse: 31043294: /PN/arribagente/PLAYER 2020/ARRIBA GENTE martes
>>> 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg => -1 (File exists)
>>> [2020-10-20 11:44:15.963175] W [fuse-bridge.c:2606:fuse_create_cbk]
>>> 0-glusterfs-fuse: 31043306: /PN/arribagente/PLAYER 2020/ARRIBA GENTE martes
>>> 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg => -1 (File exists)
>>> [2020-10-20 11:44:15.971839] W [fuse-bridge.c:2606:fuse_create_cbk]
>>> 0-glusterfs-fuse: 31043318: /PN/arribagente/PLAYER 2020/ARRIBA GENTE martes
>>> 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg => -1 (File exists)
>>> [2020-10-20 11:44:16.010242] W [fuse-bridge.c:2606:fuse_create_cbk]
>>> 0-glusterfs-fuse: 31043403: /PN/arribagente/PLAYER 2020/ARRIBA GENTE martes
>>> 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg => -1 (File exists)
>>> [2020-10-20 11:44:16.020291] W [fuse-bridge.c:2606:fuse_create_cbk]
>>> 0-glusterfs-fuse: 31043415: /PN/arribagente/PLAYER 2020/ARRIBA GENTE martes
>>> 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg => -1 (File exists)
>>> [2020-10-20 11:44:16.028857] W [fuse-bridge.c:2606:fuse_create_cbk]
>>> 0-glusterfs-fuse: 31043427: /PN/arribagente/PLAYER 2020/ARRIBA GENTE martes
>>> 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg => -1 (File exists)
>>> The message "W [MSGID: 114031]
>>> [client-rpc-fops_v2.c:2114:client4_0_create_cbk] 0-tapeless-client-5:
>>> remote operation failed. Path: /PN/arribagente/PLAYER 2020/ARRIBA GENTE
>>> martes 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg [File exists]"
>>> repeated 5 times between [2020-10-20 11:44:15.953600] and [2020-10-20
>>> 11:44:16.027785]
>>> The message "W [MSGID: 114031]
>>> [client-rpc-fops_v2.c:2114:client4_0_create_cbk] 0-tapeless-client-2:
>>> remote operation failed. Path: /PN/arribagente/PLAYER 2020/ARRIBA GENTE
>>> martes 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg [File exists]"
>>> repeated 5 times between [2020-10-20 11:44:15.953819] and [2020-10-20
>>> 11:44:16.028331]
>>> The message "W [MSGID: 114031]
>>> [client-rpc-fops_v2.c:2114:client4_0_create_cbk] 0-tapeless-client-3:
>>> remote operation failed. Path: /PN/arribagente/PLAYER 2020/ARRIBA GENTE
>>> martes 20 de octubre/PANEO NIÑOS ESCUELAS CON TAPABOCAS.mpg [File exists]"
>>> repeated 5 times between [2020-10-20 11:44:15.954072] and [2020-10-20
>>> 11:44:16.028355]
>>> [2020-10-20 11:45:03.572106] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:45:40.080010] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> The message "I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0" repeated 2 times between
>>> [2020-10-20 11:45:40.080010] and [2020-10-20 11:47:10.871801]
>>> [2020-10-20 11:48:03.913129] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:49:05.082165] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:50:06.725722] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:51:04.254685] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:52:07.903617] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:53:01.420513] I [MSGID: 108026]
>>> [afr-self-heal-metadata.c:52:__afr_selfheal_metadata_do]
>>> 0-tapeless-replicate-0: performing metadata selfheal on
>>> 3c316533-5f47-4267-ac19-58b3be305b94
>>> [2020-10-20 11:53:01.428657] I [MSGID: 108026]
>>> [afr-self-heal-common.c:1750:afr_log_selfheal] 0-tapeless-replicate-0:
>>> Completed metadata selfheal on 3c316533-5f47-4267-ac19-58b3be305b94.
>>> sources=[0]  sinks=1 2
>>> The message "I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0" repeated 3 times between
>>> [2020-10-20 11:52:07.903617] and [2020-10-20 11:53:12.037835]
>>> [2020-10-20 11:54:02.208354] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:55:04.360284] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:56:09.508092] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:57:02.580970] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>> [2020-10-20 11:58:06.230698] I [MSGID: 108031]
>>> [afr-common.c:2581:afr_local_discovery_cbk] 0-tapeless-replicate-0:
>>> selecting local read_child tapeless-client-0
>>>
>>>
>>> Let me know if you need something else. Thank you for you suppoort!
>>> Best Regards,
>>> Martin Lorenzo
>>>
>>>
>>> ________
>>>
>>>
>>>
>>> Community Meeting Calendar:
>>>
>>> Schedule -
>>> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
>>> Bridge: https://bluejeans.com/441850968
>>>
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> https://lists.gluster.org/mailman/listinfo/gluster-users
>>>
>> ________
>
>
>
> Community Meeting Calendar:
>
> Schedule -
> Every 2nd and 4th Tuesday at 14:30 IST / 09:00 UTC
> Bridge: https://bluejeans.com/441850968
>
> Gluster-users mailing list
> Gluster-users at gluster.org
> https://lists.gluster.org/mailman/listinfo/gluster-users
>


-- 
Respectfully
Mahdi
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