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XFS corruption with rsync

To: xfs@xxxxxxxxxxx
Subject: XFS corruption with rsync
From: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Date: Wed, 19 Sep 2012 15:57:48 +0200
Organization: Intellique
I'"ve seen this error showing up on the list previously: while
rsync'ing a large volume (66 TB copied to a 114 TB filesystem), I've got
this error showing up:


Pid: 2069, comm: rsync Not tainted 3.2.28-storiq64-opteron #1
Call Trace:
 [<ffffffff811e037f>] ? xfs_alloc_fixup_trees+0x22f/0x370
 [<ffffffff811f6ee3>] ? xfs_btree_get_rec+0x53/0x90
 [<ffffffff811e32ee>] ? xfs_alloc_ag_vextent_near+0x83e/0xbe0
 [<ffffffff811e3b4b>] ? xfs_alloc_fix_freelist+0x3cb/0x460
 [<ffffffff811e3755>] ? xfs_alloc_ag_vextent+0xc5/0xf0
 [<ffffffff811e40ba>] ? xfs_alloc_vextent+0x3aa/0x5f0
 [<ffffffff81222d4a>] ? xfs_trans_read_buf+0x22a/0x420
 [<ffffffff8120a857>] ? xfs_ialloc_ag_alloc+0x3c7/0x4d0
 [<ffffffff8120aa2b>] ? xfs_dialloc+0xcb/0x870
 [<ffffffff81077ffd>] ? up+0xd/0x40
 [<ffffffff8120d705>] ? xfs_ialloc+0x75/0x760
 [<ffffffff811df986>] ? kmem_zone_alloc+0x66/0xe0
 [<ffffffff811dbc23>] ? xfs_dir_ialloc+0x93/0x330
 [<ffffffff812198bd>] ? xfs_trans_reserve+0x9d/0x210
 [<ffffffff811df705>] ? xfs_create+0x455/0x670
 [<ffffffff811d4286>] ? xfs_vn_mknod+0xa6/0x1b0
 [<ffffffff8110f129>] ? vfs_create+0x89/0xc0
 [<ffffffff811107a0>] ? do_last+0x550/0x750
 [<ffffffff811112bb>] ? path_openat+0xdb/0x3d0
 [<ffffffff81103617>] ? do_sync_write+0xc7/0x100
 [<ffffffff810e43e6>] ? handle_mm_fault+0x226/0x270
 [<ffffffff811116dd>] ? do_filp_open+0x4d/0xc0
 [<ffffffff8111d923>] ? alloc_fd+0x43/0x130
 [<ffffffff81102fb5>] ? do_sys_open+0x105/0x1e0
 [<ffffffff81424652>] ? system_call_fastpath+0x16/0x1b


Rsync logs says that "structure needs cleaning". After running
xfs_repair, there's a few files making reference to a free block. 

This machine has had serious filesystem failure previously, but the
RAID array and filesystem have been rebuild from the ground up, so it
should be OK; however I'd like to be really sure there's no hidden
hardware glitch waiting to bite us again...

-- 
------------------------------------------------------------------------
Emmanuel Florac     |   Direction technique
                    |   Intellique
                    |   <eflorac@xxxxxxxxxxxxxx>
                    |   +33 1 78 94 84 02
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