[Gluster-users] Split-brain seen with [0 0] pending matrix and io-cache page errors

[Pranith Kumar Karampuri]

hi,
       Could you see if the size of the file mismatches?

Pranith

On 10/18/2014 04:20 AM, Anirban Ghoshal wrote:
> Hi everyone,
>
> I have this really confusing split-brain here that's bothering me. I 
> am running glusterfs 3.4.2 over linux 2.6.34. I have a replica 2 
> volume 'testvol' that is It seems I cannot read/stat/edit the file in 
> question, and `gluster volume heal testvol info split-brain` shows 
> nothing. Here are the logs from the fuse-mount for the volume:
>
> [2014-09-29 07:53:02.867111] W [fuse-bridge.c:1172:fuse_err_cbk] 
> 0-glusterfs-fuse: 4560969: FLUSH() ERR => -1 (Input/output error)
> [2014-09-29 07:54:16.007799] W [page.c:991:__ioc_page_error] 
> 0-testvol-io-cache: page error for page = 0x7fd5c8529d20 & waitq = 
> 0x7fd5c8067d40
> [2014-09-29 07:54:16.007854] W [fuse-bridge.c:2089:fuse_readv_cbk] 
> 0-glusterfs-fuse: 4561103: READ => -1 (Input/output error)
> [2014-09-29 07:54:16.008018] W [page.c:991:__ioc_page_error] 
> 0-testvol-io-cache: page error for page = 0x7fd5c8607ee0 & waitq = 
> 0x7fd5c8067d40
> [2014-09-29 07:54:16.008056] W [fuse-bridge.c:2089:fuse_readv_cbk] 
> 0-glusterfs-fuse: 4561104: READ => -1 (Input/output error)
> [2014-09-29 07:54:16.008233] W [page.c:991:__ioc_page_error] 
> 0-testvol-io-cache: page error for page = 0x7fd5c8066f30 & waitq = 
> 0x7fd5c8067d40
> [2014-09-29 07:54:16.008269] W [fuse-bridge.c:2089:fuse_readv_cbk] 
> 0-glusterfs-fuse: 4561105: READ => -1 (Input/output error)
> [2014-09-29 07:54:16.008800] W [page.c:991:__ioc_page_error] 
> 0-testvol-io-cache: page error for page = 0x7fd5c860bcf0 & waitq = 
> 0x7fd5c863b1f0
> [2014-09-29 07:54:16.008839] W [fuse-bridge.c:2089:fuse_readv_cbk] 
> 0-glusterfs-fuse: 4561107: READ => -1 (Input/output error)
> [2014-09-29 07:54:16.009365] W [page.c:991:__ioc_page_error] 
> 0-testvol-io-cache: page error for page = 0x7fd5c85fd120 & waitq = 
> 0x7fd5c8067d40
> [2014-09-29 07:54:16.009413] W [fuse-bridge.c:2089:fuse_readv_cbk] 
> 0-glusterfs-fuse: 4561109: READ => -1 (Input/output error)
> [2014-09-29 07:54:16.040549] W [afr-open.c:213:afr_open] 
> 0-testvol-replicate-0: failed to open as split brain seen, returning EIO
> [2014-09-29 07:54:16.040594] W [fuse-bridge.c:915:fuse_fd_cbk] 
> 0-glusterfs-fuse: 4561142: OPEN() 
> /SECLOG/20140908.d/SECLOG_00000000000000427425_00000000000000000000.log => 
> -1 (Input/output error)
>
> Could somebody please give me some clue on where to begin? I checked 
> the xattrs on 
> /SECLOG/20140908.d/SECLOG_00000000000000427425_00000000000000000000.log and 
> it seems the changelogs are [0, 0] on both replicas, and the gfid's match.
>
> Thank you very much for any help on this.
> Anirban
>
>
>
>
>
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