Hi Mohit. Answers inline below: -----Original Message----- From: Mohit Anchlia [mailto:mohitanchlia at gmail.com] Sent: Thursday, May 19, 2011 1:17 PM To: Burnash, James Cc: gluster-users at gluster.org Subject: Re: Files present on the backend but have become invisible from clients Can you post the output of getfattr -dm - <file|dir> for all parent dirs. http://pastebin.com/EVfRsSrD and for one of the files from the server? # getfattr -dm - /export/read-only/g01/online_archive/2011/01/05/20110105.SN.grep.gz getfattr: Removing leading '/' from absolute path names # file: export/read-only/g01/online_archive/2011/01/05/20110105.SN.grep.gz trusted.afr.pfs-ro1-client-0=0sAAAAAAAAAAAAAAAA trusted.afr.pfs-ro1-client-1=0sAAAAAAAAAAAAAAAA trusted.gfid=0sjyq/BEwuRhaVbF7qdo0lqA== Thank you sir! James On Thu, May 19, 2011 at 8:15 AM, Burnash, James <jburnash at knight.com> wrote: > Hello folks. A new conundrum to make sure that my life with GlusterFS > doesn't become boring :-) > > Configuration at end of this message: > > On client - directory appears to be empty: > # ls -l /pfs2/online_archive/2011/01 > total 0 > > fgrep -C 2 inode /var/log/glusterfs/pfs2.log | tail -10 > [2011-05-18 14:40:11.665045] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > [2011-05-18 14:43:47.810045] E [rpc-clnt.c:199:call_bail] > 0-pfs-ro1-client-1: bailing out frame type(GlusterFS 3.1) > op(INODELK(29)) xid = 0x130824x sent = 2011-0 > 5-18 14:13:45.978987. timeout = 1800 > [2011-05-18 14:53:12.311323] E [afr-common.c:110:afr_set_split_brain] > 0-pfs-ro1-replicate-0: invalid argument: inode > [2011-05-18 15:00:32.240373] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > [2011-05-18 15:10:12.282848] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > -- > [2011-05-19 10:10:25.967246] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > [2011-05-19 10:20:18.551953] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > [2011-05-19 10:29:34.834256] E [afr-common.c:110:afr_set_split_brain] > 0-pfs-ro1-replicate-0: invalid argument: inode > [2011-05-19 10:30:06.898152] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > [2011-05-19 10:32:05.258799] E > [afr-self-heal-metadata.c:524:afr_sh_metadata_fix] > 0-pfs-ro1-replicate-6: Unable to self-heal permissions/ownership of > '/' (possib le split-brain). Please fix the file on all backend > volumes > > > On server - directory is populated: > loop_check ' ls -l /export/read-only/g*/online_archive/2011/01' > jc1letgfs{14,15,17,18} | less > jc1letgfs14 > /export/read-only/g01/online_archive/2011/01: > total 80 > drwxrwxrwt 3 ? ?403 1009 4096 May ?4 10:35 03 drwxrwxrwt 3 107421 1009 > 4096 May ?7 12:18 04 drwxrwxrwt 3 107421 1009 4096 May ?4 10:35 05 > drwxrwxrwt 3 107421 1009 4096 May ?4 10:36 06 drwxrwxrwt 3 107421 1009 > 4096 May ?4 10:36 07 drwxrwxrwt 3 107421 1009 4096 May ?4 10:41 10 > drwxrwxrwt 3 107421 1009 4096 May ?4 10:37 11 drwxrwxrwt 3 107421 1009 > 4096 May ?4 10:43 12 drwxrwxrwt 3 107421 1009 4096 May ?4 10:43 13 > drwxrwxrwt 3 107421 1009 4096 May ?4 10:44 14 drwxrwxrwt 3 107421 1009 > 4096 May ?4 10:46 18 drwxrwxrwt 3 107421 1009 4096 Apr 14 14:11 19 > drwxrwxrwt 3 107421 1009 4096 May ?4 10:43 20 drwxrwxrwt 3 107421 1009 > 4096 May ?4 10:49 21 drwxrwxrwt 3 107421 1009 4096 May ?4 10:45 24 > drwxrwxrwt 3 107421 1009 4096 May ?4 10:47 25 drwxrwxrwt 3 107421 1009 > 4096 May ?4 10:52 26 drwxrwxrwt 3 107421 1009 4096 May ?4 10:49 27 > drwxrwxrwt 3 107421 1009 4096 May ?4 10:50 28 drwxrwxrwt 3 107421 1009 > 4096 May ?4 10:56 31 > > (and shows on every brick the same) > > And from the server logs: > root at jc1letgfs17:/var/log/glusterfs# fgrep '2011-05-19 10:39:30' > bricks/export-read-only-g*.log > [2011-05-19 10:39:30.306661] E [posix.c:438:posix_lookup] > 0-pfs-ro1-posix: lstat on /online_archive/2011/01/21 failed: No data > available > [2011-05-19 10:39:30.307754] E [posix.c:438:posix_lookup] > 0-pfs-ro1-posix: lstat on /online_archive/2011/01/21 failed: No data > available > [2011-05-19 10:39:30.308230] E [posix.c:438:posix_lookup] > 0-pfs-ro1-posix: lstat on /online_archive/2011/01/21 failed: No data > available > [2011-05-19 10:39:30.322342] E [posix.c:438:posix_lookup] > 0-pfs-ro1-posix: lstat on /online_archive/2011/01/21 failed: No data > available > [2011-05-19 10:39:30.421298] E [posix.c:438:posix_lookup] > 0-pfs-ro1-posix: lstat on /online_archive/2011/01/21 failed: No data > available > > The only two things that jump out so far are: > ?the permissions on the directories under /export/read-only/g01/online_archive/2011/01 are 7777, whereas on the directories under /export/read-only/g01/online_archive/2010/01 are just 755. > The lstat "no data available errors" only see to appear on the problem directories. > > ?Any hints or suggestions would be greatly appreciated. Thanks, James > > > Config: > All on Gluster 3.1.3 > Servers: > 4 CentOS 5.5 (ProLiant DL370 G6 servers, Intel Xeon 3200 MHz), Each > with: > Single P812 Smart Array Controller, > Single MDS600 with 70 2TB SATA drives configured as RAID 50 > 48 MB RAM > > Clients: > 185 CentOS 5.2 (mostly DL360 G6). > /pfs2 is the mount point for a Duplicated-Replicate volume of 4 servers. > > Volume Name: pfs-ro1 > Type: Distributed-Replicate > Status: Started > Number of Bricks: 20 x 2 = 40 > Transport-type: tcp > Bricks: > Brick1: jc1letgfs17-pfs1:/export/read-only/g01 > Brick2: jc1letgfs18-pfs1:/export/read-only/g01 > Brick3: jc1letgfs17-pfs1:/export/read-only/g02 > Brick4: jc1letgfs18-pfs1:/export/read-only/g02 > Brick5: jc1letgfs17-pfs1:/export/read-only/g03 > Brick6: jc1letgfs18-pfs1:/export/read-only/g03 > Brick7: jc1letgfs17-pfs1:/export/read-only/g04 > Brick8: jc1letgfs18-pfs1:/export/read-only/g04 > Brick9: jc1letgfs17-pfs1:/export/read-only/g05 > Brick10: jc1letgfs18-pfs1:/export/read-only/g05 > Brick11: jc1letgfs17-pfs1:/export/read-only/g06 > Brick12: jc1letgfs18-pfs1:/export/read-only/g06 > Brick13: jc1letgfs17-pfs1:/export/read-only/g07 > Brick14: jc1letgfs18-pfs1:/export/read-only/g07 > Brick15: jc1letgfs17-pfs1:/export/read-only/g08 > Brick16: jc1letgfs18-pfs1:/export/read-only/g08 > Brick17: jc1letgfs17-pfs1:/export/read-only/g09 > Brick18: jc1letgfs18-pfs1:/export/read-only/g09 > Brick19: jc1letgfs17-pfs1:/export/read-only/g10 > Brick20: jc1letgfs18-pfs1:/export/read-only/g10 > Brick21: jc1letgfs14-pfs1:/export/read-only/g01 > Brick22: jc1letgfs15-pfs1:/export/read-only/g01 > Brick23: jc1letgfs14-pfs1:/export/read-only/g02 > Brick24: jc1letgfs15-pfs1:/export/read-only/g02 > Brick25: jc1letgfs14-pfs1:/export/read-only/g03 > Brick26: jc1letgfs15-pfs1:/export/read-only/g03 > Brick27: jc1letgfs14-pfs1:/export/read-only/g04 > Brick28: jc1letgfs15-pfs1:/export/read-only/g04 > Brick29: jc1letgfs14-pfs1:/export/read-only/g05 > Brick30: jc1letgfs15-pfs1:/export/read-only/g05 > Brick11: jc1letgfs17-pfs1:/export/read-only/g06 > Brick12: jc1letgfs18-pfs1:/export/read-only/g06 > Brick13: jc1letgfs17-pfs1:/export/read-only/g07 > Brick14: jc1letgfs18-pfs1:/export/read-only/g07 > Brick15: jc1letgfs17-pfs1:/export/read-only/g08 > Brick16: jc1letgfs18-pfs1:/export/read-only/g08 > Brick17: jc1letgfs17-pfs1:/export/read-only/g09 > Brick18: jc1letgfs18-pfs1:/export/read-only/g09 > Brick19: jc1letgfs17-pfs1:/export/read-only/g10 > Brick20: jc1letgfs18-pfs1:/export/read-only/g10 > Brick21: jc1letgfs14-pfs1:/export/read-only/g01 > Brick22: jc1letgfs15-pfs1:/export/read-only/g01 > Brick23: jc1letgfs14-pfs1:/export/read-only/g02 > Brick24: jc1letgfs15-pfs1:/export/read-only/g02 > Brick25: jc1letgfs14-pfs1:/export/read-only/g03 > Brick26: jc1letgfs15-pfs1:/export/read-only/g03 > Brick27: jc1letgfs14-pfs1:/export/read-only/g04 > Brick28: jc1letgfs15-pfs1:/export/read-only/g04 > Brick29: jc1letgfs14-pfs1:/export/read-only/g05 > Brick30: jc1letgfs15-pfs1:/export/read-only/g05 > Brick31: jc1letgfs14-pfs1:/export/read-only/g06 > Brick32: jc1letgfs15-pfs1:/export/read-only/g06 > Brick33: jc1letgfs14-pfs1:/export/read-only/g07 > Brick34: jc1letgfs15-pfs1:/export/read-only/g07 > Brick35: jc1letgfs14-pfs1:/export/read-only/g08 > Brick36: jc1letgfs15-pfs1:/export/read-only/g08 > Brick37: jc1letgfs14-pfs1:/export/read-only/g09 > Brick38: jc1letgfs15-pfs1:/export/read-only/g09 > Brick39: jc1letgfs14-pfs1:/export/read-only/g10 > Brick40: jc1letgfs15-pfs1:/export/read-only/g10 > Options Reconfigured: > diagnostics.brick-log-level: ERROR > cluster.metadata-change-log: on > diagnostics.client-log-level: ERROR > performance.stat-prefetch: on > performance.cache-size: 2GB > network.ping-timeout: 10 > > > DISCLAIMER: > This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. 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