[Gluster-users] KVM lockups on Gluster 4.1.1

Dmitry Melekhov dm at belkam.com
Wed Oct 3 04:30:20 UTC 2018


02.10.2018 12:59, Amar Tumballi пишет:
> Recently, in one of the situation, we found that locks were not freed 
> up due to not getting TCP timeout..
>
> Can you try the option like below and let us know?
>
> `gluster volume set $volname tcp-user-timeout 42`
>
> (ref: https://review.gluster.org/21170/ )
>
> Regards,
> Amar
>

Thank you, we'll try this.

>
> On Tue, Oct 2, 2018 at 10:40 AM Dmitry Melekhov <dm at belkam.com 
> <mailto:dm at belkam.com>> wrote:
>
>     01.10.2018 23:09, Danny Lee пишет:
>>     Ran into this issue too with 4.1.5 with an arbiter setup.  Also
>>     could not run a statedump due to "Segmentation fault".
>>
>>     Tried with 3.12.13 and had issues with locked files as well.  We
>>     were able to do a statedump and found that some of our files were
>>     "BLOCKED" (xlator.features.locks.vol-locks.inode).  Attached part
>>     of statedump.
>>
>>     Also tried clearing the locks using clear-locks, which did remove
>>     the lock, but as soon as I tried to cat the file, it got locked
>>     again and the cat process hung.
>
>     I created issue in bugzilla, can't find it though :-(
>     Looks like there is no activity after I sent all logs...
>
>
>>
>>     On Wed, Aug 29, 2018, 3:13 AM Dmitry Melekhov <dm at belkam.com
>>     <mailto:dm at belkam.com>> wrote:
>>
>>         28.08.2018 10:43, Amar Tumballi пишет:
>>>
>>>
>>>         On Tue, Aug 28, 2018 at 11:24 AM, Dmitry Melekhov
>>>         <dm at belkam.com <mailto:dm at belkam.com>> wrote:
>>>
>>>             Hello!
>>>
>>>
>>>             Yesterday we hit something like this on 4.1.2
>>>
>>>             Centos 7.5.
>>>
>>>
>>>             Volume is replicated - two bricks and one arbiter.
>>>
>>>
>>>             We rebooted arbiter, waited for heal end, and tried to
>>>             live migrate VM to another node ( we run VMs on gluster
>>>             nodes ):
>>>
>>>
>>>             [2018-08-27 09:56:22.085411] I [MSGID: 115029]
>>>             [server-handshake.c:763:server_setvolume] 0-pool-server:
>>>             accepted client from
>>>             CTX_ID:b55f4a90-e241-48ce-bd4d-268c8a956f4a-GRAPH_ID:0-PID:8887-HOST:son-PC_NAME:pool-
>>>             client-6-RECON_NO:-0 (version: 4.1.2)
>>>             [2018-08-27 09:56:22.107609] I [MSGID: 115036]
>>>             [server.c:483:server_rpc_notify] 0-pool-server:
>>>             disconnecting connection from
>>>             CTX_ID:b55f4a90-e241-48ce-bd4d-268c8a956f4a-GRAPH_ID:0-PID:8887-HOST:son-PC_NAME:pool-
>>>             client-6-RECON_NO:-0
>>>             [2018-08-27 09:56:22.107747] I [MSGID: 101055]
>>>             [client_t.c:444:gf_client_unref] 0-pool-server: Shutting
>>>             down connection
>>>             CTX_ID:b55f4a90-e241-48ce-bd4d-268c8a956f4a-GRAPH_ID:0-PID:8887-HOST:son-PC_NAME:pool-clien
>>>             t-6-RECON_NO:-0
>>>             [2018-08-27 09:58:37.905829] I [MSGID: 115036]
>>>             [server.c:483:server_rpc_notify] 0-pool-server:
>>>             disconnecting connection from
>>>             CTX_ID:c3eb6cfc-2ef9-470a-89d1-a87170d00da5-GRAPH_ID:0-PID:30292-HOST:father-PC_NAME:p
>>>             ool-client-6-RECON_NO:-0
>>>             [2018-08-27 09:58:37.905926] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28c831d8bc550000}
>>>             [2018-08-27 09:58:37.905959] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=2870a7d6bc550000}
>>>             [2018-08-27 09:58:37.905979] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=2880a7d6bc550000}
>>>             [2018-08-27 09:58:37.905997] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28f031d8bc550000}
>>>             [2018-08-27 09:58:37.906016] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28b07dd5bc550000}
>>>             [2018-08-27 09:58:37.906034] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28e0a7d6bc550000}
>>>             [2018-08-27 09:58:37.906056] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28b845d8bc550000}
>>>             [2018-08-27 09:58:37.906079] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=2858a7d8bc550000}
>>>             [2018-08-27 09:58:37.906098] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=2868a8d7bc550000}
>>>             [2018-08-27 09:58:37.906121] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28f80bd7bc550000}
>>>             ...
>>>
>>>             [2018-08-27 09:58:37.907375] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=28a8cdd6bc550000}
>>>             [2018-08-27 09:58:37.907393] W
>>>             [inodelk.c:610:pl_inodelk_log_cleanup] 0-pool-server:
>>>             releasing lock on 12172afe-f0a4-4e10-bc0f-c5e4e0d9f318
>>>             held by {client=0x7ffb58035bc0, pid=30292
>>>             lk-owner=2880cdd6bc550000}
>>>             [2018-08-27 09:58:37.907476] I
>>>             [socket.c:3837:socket_submit_reply] 0-tcp.pool-server:
>>>             not connected (priv->connected = -1)
>>>             [2018-08-27 09:58:37.907520] E
>>>             [rpcsvc.c:1378:rpcsvc_submit_generic] 0-rpc-service:
>>>             failed to submit message (XID: 0xcb88cb, Program:
>>>             GlusterFS 4.x v1, ProgVers: 400, Proc: 30) to
>>>             rpc-transport (tcp.pool-server)
>>>             [2018-08-27 09:58:37.910727] E
>>>             [server.c:137:server_submit_reply]
>>>             (-->/usr/lib64/glusterfs/4.1.2/xlator/debug/io-stats.so(+0x20084)
>>>             [0x7ffb64379084]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0x605
>>>             ba) [0x7ffb5fddf5ba]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0xafce)
>>>             [0x7ffb5fd89fce] ) 0-: Reply submission failed
>>>             [2018-08-27 09:58:37.910814] E
>>>             [rpcsvc.c:1378:rpcsvc_submit_generic] 0-rpc-service:
>>>             failed to submit message (XID: 0xcb88ce, Program:
>>>             GlusterFS 4.x v1, ProgVers: 400, Proc: 30) to
>>>             rpc-transport (tcp.pool-server)
>>>             [2018-08-27 09:58:37.910861] E
>>>             [server.c:137:server_submit_reply]
>>>             (-->/usr/lib64/glusterfs/4.1.2/xlator/debug/io-stats.so(+0x20084)
>>>             [0x7ffb64379084]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0x605
>>>             ba) [0x7ffb5fddf5ba]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0xafce)
>>>             [0x7ffb5fd89fce] ) 0-: Reply submission failed
>>>             [2018-08-27 09:58:37.910904] E
>>>             [rpcsvc.c:1378:rpcsvc_submit_generic] 0-rpc-service:
>>>             failed to submit message (XID: 0xcb88cf, Program:
>>>             GlusterFS 4.x v1, ProgVers: 400, Proc: 30) to
>>>             rpc-transport (tcp.pool-server)
>>>             [2018-08-27 09:58:37.910940] E
>>>             [server.c:137:server_submit_reply]
>>>             (-->/usr/lib64/glusterfs/4.1.2/xlator/debug/io-stats.so(+0x20084)
>>>             [0x7ffb64379084]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0x605
>>>             ba) [0x7ffb5fddf5ba]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0xafce)
>>>             [0x7ffb5fd89fce] ) 0-: Reply submission failed
>>>             [2018-08-27 09:58:37.910979] E
>>>             [rpcsvc.c:1378:rpcsvc_submit_generic] 0-rpc-service:
>>>             failed to submit message (XID: 0xcb88d1, Program:
>>>             GlusterFS 4.x v1, ProgVers: 400, Proc: 30) to
>>>             rpc-transport (tcp.pool-server)
>>>             [2018-08-27 09:58:37.911012] E
>>>             [server.c:137:server_submit_reply]
>>>             (-->/usr/lib64/glusterfs/4.1.2/xlator/debug/io-stats.so(+0x20084)
>>>             [0x7ffb64379084]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0x605
>>>             ba) [0x7ffb5fddf5ba]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0xafce)
>>>             [0x7ffb5fd89fce] ) 0-: Reply submission failed
>>>             [2018-08-27 09:58:37.911050] E
>>>             [rpcsvc.c:1378:rpcsvc_submit_generic] 0-rpc-service:
>>>             failed to submit message (XID: 0xcb88d8, Program:
>>>             GlusterFS 4.x v1, ProgVers: 400, Proc: 30) to
>>>             rpc-transport (tcp.pool-server)
>>>             [2018-08-27 09:58:37.911083] E
>>>             [server.c:137:server_submit_reply]
>>>             (-->/usr/lib64/glusterfs/4.1.2/xlator/debug/io-stats.so(+0x20084)
>>>             [0x7ffb64379084]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0x605
>>>             ba) [0x7ffb5fddf5ba]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0xafce)
>>>             [0x7ffb5fd89fce] ) 0-: Reply submission failed
>>>             [2018-08-27 09:58:37.916217] E
>>>             [server.c:137:server_submit_reply]
>>>             (-->/usr/lib64/glusterfs/4.1.2/xlator/debug/io-stats.so(+0x20084)
>>>             [0x7ffb64379084]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0x605
>>>             ba) [0x7ffb5fddf5ba]
>>>             -->/usr/lib64/glusterfs/4.1.2/xlator/protocol/server.so(+0xafce)
>>>             [0x7ffb5fd89fce] ) 0-: Reply submission failed
>>>             [2018-08-27 09:58:37.916520] I [MSGID: 115013]
>>>             [server-helpers.c:286:do_fd_cleanup] 0-pool-server: fd
>>>             cleanup on /balamak.img
>>>
>>>
>>>             after this I/O on  /balamak.img was blocked.
>>>
>>>
>>>             Only solution we found was to reboot all 3 nodes.
>>>
>>>
>>>             Is there any bug report in bugzilla we can add logs?
>>>
>>>
>>>         Not aware of such bugs!
>>>
>>>             Is it possible to turn of these locks?
>>>
>>>
>>>         Not sure, will get back on this one!
>>
>>
>>         btw, found this link
>>         https://docs.gluster.org/en/v3/Troubleshooting/troubleshooting-filelocks/
>>
>>         tried on another (test) cluster:
>>
>>          [root at marduk ~]# gluster volume statedump pool
>>         Segmentation fault (core dumped)
>>
>>
>>         4.1.2 too...
>>
>>         something is wrong here.
>>
>>
>>>             Thank you!
>>>
>>>
>>>
>>>
>>>             _______________________________________________
>>>             Gluster-users mailing list
>>>             Gluster-users at gluster.org <mailto:Gluster-users at gluster.org>
>>>             https://lists.gluster.org/mailman/listinfo/gluster-users
>>>
>>>
>>>
>>>
>>>         -- 
>>>         Amar Tumballi (amarts)
>>
>>
>>         _______________________________________________
>>         Gluster-users mailing list
>>         Gluster-users at gluster.org <mailto:Gluster-users at gluster.org>
>>         https://lists.gluster.org/mailman/listinfo/gluster-users
>>
>
>     _______________________________________________
>     Gluster-users mailing list
>     Gluster-users at gluster.org <mailto:Gluster-users at gluster.org>
>     https://lists.gluster.org/mailman/listinfo/gluster-users
>
>
>
> -- 
> Amar Tumballi (amarts)


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