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> XFS corruptions, XFS corruptions keep occurring.
s4ndz
 Posted: Nov 30 2015, 02:49 PM
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We have multiple 22 disk raid 6 arrays using LSI 9280-24i4e raid cards, all using enterprise grade drives. The array is setup with physical drive cache disabled and mounted using inode64 with nobarriers option in Oracle Linux Server release 6.6, kernel version 3.8.13-55.1.5.el6uek.x86_64. We are suffering from corruptions with xfs_repair unable to permanently fix the the issues. Output of dmesg from the latest corruption.

Pid: 5319, comm: glusterfsd Not tainted 3.8.13-55.1.5.el6uek.x86_64 #2
Call Trace:
[<ffffffffa02a3a9f>] xfs_error_report+0x3f/0x50 [xfs]
[<ffffffffa02ed416>] ? xfs_iread_extents+0x86/0x110 [xfs]
[<ffffffffa02a3b0e>] xfs_corruption_error+0x5e/0x90 [xfs]
[<ffffffffa02c7ac8>] xfs_bmap_read_extents+0x3f8/0x450 [xfs]
[<ffffffffa02ed416>] ? xfs_iread_extents+0x86/0x110 [xfs]
[<ffffffffa02eb94e>] ? xfs_iext_realloc_direct+0xae/0x160 [xfs]
[<ffffffffa02ed416>] xfs_iread_extents+0x86/0x110 [xfs]
[<ffffffffa02fb0cc>] ? xfs_trans_free_item_desc+0x3c/0x50 [xfs]
[<ffffffffa02c5df5>] xfs_bmap_last_extent+0x95/0xb0 [xfs]
[<ffffffffa02c5ef6>] xfs_bmap_last_offset+0x66/0xc0 [xfs]
[<ffffffffa02dc123>] ? xfs_dir_lookup+0xc3/0x170 [xfs]
[<ffffffffa02dbc96>] xfs_dir2_isblock+0x26/0x60 [xfs]
[<ffffffffa02dc123>] xfs_dir_lookup+0xc3/0x170 [xfs]
[<ffffffffa02b6497>] xfs_lookup+0x87/0x110 [xfs]
[<ffffffff811a92ed>] ? __d_alloc+0x14d/0x180
[<ffffffffa02aea84>] xfs_vn_lookup+0x54/0xa0 [xfs]
[<ffffffff8119db43>] ? lookup_dcache+0xa3/0xd0
[<ffffffff8119d3ad>] lookup_real+0x1d/0x60
[<ffffffff8119dba8>] __lookup_hash+0x38/0x50
[<ffffffff8119dc0e>] lookup_slow+0x4e/0xc0
[<ffffffff811a1d41>] path_lookupat+0x201/0x780
[<ffffffff811a22f4>] filename_lookup+0x34/0xc0
[<ffffffff811a35b9>] user_path_at_empty+0x59/0xa0
[<ffffffff811a3611>] ? user_path_at+0x11/0x20
[<ffffffff811986c0>] ? vfs_fstatat+0x50/0xb0
[<ffffffff811a3611>] user_path_at+0x11/0x20
[<ffffffff811a3698>] sys_linkat+0x78/0x250
[<ffffffff810e37e6>] ? __audit_syscall_exit+0x216/0x2c0
[<ffffffff815a25d9>] system_call_fastpath+0x16/0x1b
XFS (sdb): Corruption detected. Unmount and run xfs_repair
XFS (sdb): corrupt dinode 6442451040, (btree extents).
ffff88042615d000: 42 4d 41 50 00 00 00 fe ff ff ff ff ff ff ff ff BMAP............
XFS (sdb): Internal error xfs_bmap_read_extents(1) at line 1610 of file fs/xfs/xfs_bmap.c. Caller 0xffffffffa02ed416

What could be causing these issues?

Thanks for your help in advanced.
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tux99
 Posted: Nov 30 2015, 08:08 PM
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I think you should be contacting Oracle support for this as you are using an Oracle specific kernel and XFS is part of the kernel.

As a side note I have always stayed away from XFS (and used JFS instead which is almost 'bomb-proof') as I already read almost 10 years ago about its tendency to corrupt under certain circumstances.

This post has been edited by tux99: Nov 30 2015, 08:15 PM

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(can be used together with EPEL and ELRepo repositories) - repository mirror: http://linuxsoft.cern.ch/linuxtech/el6/
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