[Gluster-users] Geo-Replication just won't go past 1TB - half the replication process crashing?

Fri Sep 6 09:13:11 UTC 2013

>From the trace logs it looks like its still crawling (the lgetxattr() on
the master and lgetxattr() on the slave). How many files are under './evds3'
?

Further more, what's the latency b/w the two sites?

On Thu, Sep 5, 2013 at 11:31 PM, Tony Maro <tonym at evrichart.com> wrote:

> No rsync process is running.  I tested for it several times over 10
> seconds.
>
> Here's the trace on feedback.  I put it on TinyPaste instead of in
> everyone's inbox out of courtesy:  http://tny.cz/505b09c8
>
> Thanks,
> Tony
>
>
> On Thu, Sep 5, 2013 at 12:24 PM, Venky Shankar <yknev.shankar at gmail.com>wrote:
>
>> So, nothing fishy in slave logs too.
>>
>> Debugging this would need more information. Lets start with:
>>
>> 1. Is there any rsync process that is running? (ps auxww | grep rsync)
>>
>> 2. I would need strace logs for the worker process (the process which
>> scans the filesystem and invokes rsync to transfer data). Something like
>> this would do:
>>
>>   - get the pid of the worker process
>>   # ps auxww | grep feedback   (a gsyncd.py python process)
>>
>>   - trace the pid above
>>   # strace -s 500 -o /tmp/worker.log -f -p <pid>
>>
>> Let the trace run for about 20 seconds. Lets see what's in /tmp/worker.log
>>
>> Thanks,
>> -venky
>>
>>
>> On Thu, Sep 5, 2013 at 7:56 PM, Tony Maro <tonym at evrichart.com> wrote:
>>
>>> Looks like the slave stopped logging things just before the sending
>>> brick did:
>>>
>>> [2013-09-01 14:56:45.13972] I [gsyncd(slave):354:main_i] <top>: syncing:
>>> file:///data/docstore1
>>> [2013-09-01 14:56:45.15433] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-01 15:57:34.592938] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-01 15:57:34.593383] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-01 15:57:45.374301] I [gsyncd(slave):354:main_i] <top>:
>>> syncing: file:///data/docstore1
>>> [2013-09-01 15:57:45.375871] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-01 16:02:09.115976] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-01 16:02:09.116446] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-01 16:02:19.869340] I [gsyncd(slave):354:main_i] <top>:
>>> syncing: file:///data/docstore1
>>> [2013-09-01 16:02:19.870598] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-01 16:32:58.701617] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-01 16:32:58.702126] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-01 16:33:09.456556] I [gsyncd(slave):354:main_i] <top>:
>>> syncing: file:///data/docstore1
>>> [2013-09-01 16:33:09.458009] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-01 21:47:13.442514] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-01 21:47:13.442899] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-01 21:47:24.240978] I [gsyncd(slave):354:main_i] <top>:
>>> syncing: file:///data/docstore1
>>> [2013-09-01 21:47:24.242424] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-02 02:12:14.26339] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-02 02:12:14.26809] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-02 02:12:24.818355] I [gsyncd(slave):354:main_i] <top>:
>>> syncing: file:///data/docstore1
>>> [2013-09-02 02:12:24.820008] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-02 02:16:14.525187] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-02 02:16:14.525675] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-02 02:16:25.263712] I [gsyncd(slave):354:main_i] <top>:
>>> syncing: file:///data/docstore1
>>> [2013-09-02 02:16:25.265168] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>> [2013-09-02 02:37:39.315608] I [repce(slave):78:service_loop]
>>> RepceServer: terminating on reaching EOF.
>>> [2013-09-02 02:37:39.316071] I [syncdutils(slave):142:finalize] <top>:
>>> exiting.
>>> [2013-09-02 02:37:50.78136] I [gsyncd(slave):354:main_i] <top>: syncing:
>>> file:///data/docstore1
>>> [2013-09-02 02:37:50.79577] I [resource(slave):453:service_loop] FILE:
>>> slave listening
>>>
>>>
>>>
>>>
>>>
>>> On Thu, Sep 5, 2013 at 10:09 AM, Venky Shankar <yknev.shankar at gmail.com>wrote:
>>>
>>>> Could you also provide the slave logs? (log location on the
>>>> slave: /var/log/glusterfs/geo-replication-slaves)
>>>>
>>>> Thanks,
>>>> -venky
>>>>
>>>>
>>>> On Thu, Sep 5, 2013 at 7:29 PM, Tony Maro <tonym at evrichart.com> wrote:
>>>>
>>>>>  I'm trying to create a new Geo-Rep of about 3 TB of data currently
>>>>> stored in a 2 brick mirror config. Obviously the geo-rep destination is a
>>>>> third server.
>>>>>
>>>>> This is my 150th attempt.  Okay, maybe not that far, but it's pretty
>>>>> darn bad.
>>>>>
>>>>> Replication works fine until I hit around 1TB of data sync'd, then it
>>>>> just stalls.  For the past two days it hasn't gone past 1050156672 bytes
>>>>> sync'd to the destination server.
>>>>>
>>>>> I did some digging in the logs and it looks like the brick that's
>>>>> running the geo-rep process thinks it's syncing:
>>>>>
>>>>> [2013-09-05 09:45:37.354831] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000863.enc ...
>>>>> [2013-09-05 09:45:37.358669] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/0000083b.enc ...
>>>>> [2013-09-05 09:45:37.362251] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/0000087b.enc ...
>>>>> [2013-09-05 09:45:37.366027] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000834.enc ...
>>>>> [2013-09-05 09:45:37.369752] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000845.enc ...
>>>>> [2013-09-05 09:45:37.373528] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000864.enc ...
>>>>> [2013-09-05 09:45:37.377037] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/0000087f.enc ...
>>>>> [2013-09-05 09:45:37.391432] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000897.enc ...
>>>>> [2013-09-05 09:45:37.395059] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000829.enc ...
>>>>> [2013-09-05 09:45:37.398725] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/00000816.enc ...
>>>>> [2013-09-05 09:45:37.402559] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/000008cc.enc ...
>>>>> [2013-09-05 09:45:37.406450] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/000008d2.enc ...
>>>>> [2013-09-05 09:45:37.410310] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/000008df.enc ...
>>>>> [2013-09-05 09:45:37.414344] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/00/00/08/000008bd.enc ...
>>>>> [2013-09-05 09:45:37.438173] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/volume.info ...
>>>>> [2013-09-05 09:45:37.441675] D [master:386:crawl] GMaster: syncing
>>>>> ./evds3/Sky_Main_66/volume.enc ...
>>>>>
>>>>> But, *those files never appear on the destination server,* however
>>>>> the containing folders are there, just empty.
>>>>>
>>>>> Also, the other log file (...gluster.log) in the geo-replication log
>>>>> folder that matches the destination stopped updating when the syncing
>>>>> stopped apparently.  It's last timestamp is from the 2nd, which is the last
>>>>> time data transferred.
>>>>>
>>>>> The last bit from that log file is as such:
>>>>>
>>>>>
>>>>> +------------------------------------------------------------------------------+
>>>>> [2013-09-02 06:37:50.109730] I [rpc-clnt.c:1654:rpc_clnt_reconfig]
>>>>> 0-docstore1-client-1: changing port to 24009 (from 0)
>>>>> [2013-09-02 06:37:50.109857] I [rpc-clnt.c:1654:rpc_clnt_reconfig]
>>>>> 0-docstore1-client-0: changing port to 24009 (from 0)
>>>>> [2013-09-02 06:37:54.097468] I
>>>>> [client-handshake.c:1614:select_server_supported_programs]
>>>>> 0-docstore1-client-1: Using Program GlusterFS 3.3.2, Num (1298437), Version
>>>>> (330)
>>>>> [2013-09-02 06:37:54.097973] I
>>>>> [client-handshake.c:1411:client_setvolume_cbk] 0-docstore1-client-1:
>>>>> Connected to 10.200.1.6:24009, attached to remote volume
>>>>> '/data/docstore1'.
>>>>> [2013-09-02 06:37:54.098005] I
>>>>> [client-handshake.c:1423:client_setvolume_cbk] 0-docstore1-client-1: Server
>>>>> and Client lk-version numbers are not same, reopening the fds
>>>>> [2013-09-02 06:37:54.098094] I [afr-common.c:3685:afr_notify]
>>>>> 0-docstore1-replicate-0: Subvolume 'docstore1-client-1' came back up; going
>>>>> online.
>>>>> [2013-09-02 06:37:54.098274] I
>>>>> [client-handshake.c:453:client_set_lk_version_cbk] 0-docstore1-client-1:
>>>>> Server lk version = 1
>>>>> [2013-09-02 06:37:54.098619] I
>>>>> [client-handshake.c:1614:select_server_supported_programs]
>>>>> 0-docstore1-client-0: Using Program GlusterFS 3.3.2, Num (1298437), Version
>>>>> (330)
>>>>> [2013-09-02 06:37:54.099191] I
>>>>> [client-handshake.c:1411:client_setvolume_cbk] 0-docstore1-client-0:
>>>>> Connected to 10.200.1.5:24009, attached to remote volume
>>>>> '/data/docstore1'.
>>>>> [2013-09-02 06:37:54.099222] I
>>>>> [client-handshake.c:1423:client_setvolume_cbk] 0-docstore1-client-0: Server
>>>>> and Client lk-version numbers are not same, reopening the fds
>>>>> [2013-09-02 06:37:54.105891] I [fuse-bridge.c:4191:fuse_graph_setup]
>>>>> 0-fuse: switched to graph 0
>>>>> [2013-09-02 06:37:54.106039] I
>>>>> [client-handshake.c:453:client_set_lk_version_cbk] 0-docstore1-client-0:
>>>>> Server lk version = 1
>>>>> [2013-09-02 06:37:54.106179] I [fuse-bridge.c:3376:fuse_init]
>>>>> 0-glusterfs-fuse: FUSE inited with protocol versions: glusterfs 7.13 kernel
>>>>> 7.17
>>>>> [2013-09-02 06:37:54.108766] I
>>>>> [afr-common.c:2022:afr_set_root_inode_on_first_lookup]
>>>>> 0-docstore1-replicate-0: added root inode
>>>>>
>>>>>
>>>>> This is driving me nuts - I've been working on getting Geo-Replication
>>>>> working for over 2 months now without any success.
>>>>>
>>>>> Status on the geo-rep shows OK:
>>>>>
>>>>> root at gfs6:~# gluster volume geo-replication docstore1
>>>>> ssh://root@backup-ds2.gluster:/data/docstore1 status
>>>>> MASTER               SLAVE
>>>>>  STATUS
>>>>>
>>>>> --------------------------------------------------------------------------------
>>>>> docstore1            ssh://root@backup-ds2.gluster:/data/docstore1
>>>>>    OK
>>>>> root at gfs6:~#
>>>>>
>>>>> Here's the config:
>>>>>
>>>>> root at gfs6:~# gluster volume geo-replication docstore1
>>>>> ssh://root@backup-ds2.gluster:/data/docstore1 config
>>>>> log_level: DEBUG
>>>>> gluster_log_file:
>>>>> /var/log/glusterfs/geo-replication/docstore1/ssh%3A%2F%2Froot%4010.200.1.12%3Afile%3A%2F%2F%2Fdata%2Fdocstore1.gluster.log
>>>>> ssh_command: ssh -oPasswordAuthentication=no
>>>>> -oStrictHostKeyChecking=no -i /var/lib/glusterd/geo-replication/secret.pem
>>>>> session_owner: 24f8c92d-723e-4513-9593-40ef4b7e766a
>>>>> remote_gsyncd: /usr/lib/glusterfs/glusterfs/gsyncd
>>>>> state_file:
>>>>> /var/lib/glusterd/geo-replication/docstore1/ssh%3A%2F%2Froot%4010.200.1.12%3Afile%3A%2F%2F%2Fdata%2Fdocstore1.status
>>>>> gluster_command_dir: /usr/sbin/
>>>>> pid_file:
>>>>> /var/lib/glusterd/geo-replication/docstore1/ssh%3A%2F%2Froot%4010.200.1.12%3Afile%3A%2F%2F%2Fdata%2Fdocstore1.pid
>>>>> log_file:
>>>>> /var/log/glusterfs/geo-replication/docstore1/ssh%3A%2F%2Froot%4010.200.1.12%3Afile%3A%2F%2F%2Fdata%2Fdocstore1.log
>>>>> gluster_params: xlator-option=*-dht.assert-no-child-down=true
>>>>> root at gfs6:~#
>>>>>
>>>>> I'm running Ubuntu packages 3.3.2-ubuntu1-precise2 from the ppa.  Any
>>>>> ideas for why it's stalling?
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Gluster-users mailing list
>>>>> Gluster-users at gluster.org
>>>>> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>>>>>
>>>>
>>>>
>>>
>>>
>>> --
>>> Thanks,
>>>
>>> *Tony Maro*
>>> Chief Information Officer
>>> EvriChart • www.evrichart.com
>>> Advanced Records Management
>>> Office | 888.801.2020 • 304.536.1290
>>>
>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>>>
>>
>>
>
>
> --
> Thanks,
>
> *Tony Maro*
> Chief Information Officer
> EvriChart • www.evrichart.com
> Advanced Records Management
> Office | 888.801.2020 • 304.536.1290
>
>
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