/var/log/messages shows lines like "H: s:EX f:W e:0 p:19456 [imap] gfs2_fallocate+0xdc/0x540 [gfs2]" repeated many times and GFS2 file system becomes inaccessible in RHEL 6

Solution In Progress - Updated -

Issue

  • My GFS2 file system becomes unresponsive and I see a gfs2_fallocate message repeated many thousands of times in /var/log/messages
Jan 21 15:47:07 node kernel: original: gfs2_fallocate+0xdc/0x540 [gfs2]
Jan 21 15:47:07 node kernel: pid: 19456
Jan 21 15:47:07 node kernel: lock type: 2 req lock state : 1
Jan 21 15:47:07 node kernel: new: gfs2_fallocate+0xdc/0x540 [gfs2]
Jan 21 15:47:07 node kernel: pid: 19456
Jan 21 15:47:07 node kernel: lock type: 2 req lock state : 1
Jan 21 15:47:07 node kernel: G:  s:EX n:2/2df575a f:yfIqob t:EX d:EX/0 a:1 v:0 r:4 m:200
Jan 21 15:47:07 node kernel:  H: s:EX f:W e:0 p:19456 [imap] gfs2_fallocate+0xdc/0x540 [gfs2]
Jan 21 15:47:07 node kernel:  H: s:EX f:W e:0 p:19456 [imap] gfs2_fallocate+0xdc/0x540 [gfs2]
Jan 21 15:47:07 node kernel:  H: s:EX f:W e:0 p:19456 [imap] gfs2_fallocate+0xdc/0x540 [gfs2]
Jan 21 15:47:07 node kernel:  H: s:EX f:W e:0 p:19456 [imap] gfs2_fallocate+0xdc/0x540 [gfs2]
Jan 21 15:47:07 node kernel:  H: s:EX f:W e:0 p:19456 [imap] gfs2_fallocate+0xdc/0x540 [gfs2]
  • Our server hangs frequently with GFS2 errors in the logs

Environment

  • Red Hat Enterprise Linux (RHEL) 6 with the Resilient Storage Add On
  • GFS2
  • kernel releases prior to 2.6.32-431.23.3.el6

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