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Question about XFS recovery and error

To: xfs@xxxxxxxxxxx
Subject: Question about XFS recovery and error
From: Mike Gao <ygao.linux@xxxxxxxxx>
Date: Thu, 19 Aug 2010 17:32:33 -0500
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The USB key is mounted automatically at boot and no error report with XFS recovery.
But when I did a file copy on a USB key which XFS filesystem could be corrupted by some reason,
I got endless repeat of ERROR message printed on the screen. 

Should XFS recovery this at the beginning when mounting? 

[42949387.250000] Starting XFS recovery on filesystem: sda (logdev: internal)
[42949387.330000] Ending XFS recovery on filesystem: sda (logdev: internal)
[42949388.600000] Starting XFS recovery on filesystem: sdb1 (logdev: internal)
[42949388.640000] Ending XFS recovery on filesystem: sdb1 (logdev: internal)


cp /mnt/USB0disk1/iCarly-4.ts ./iCarly-4-10.ts

[ 3234.740000] Filesystem "sda": XFS internal error xfs_btree_check_sblock at line 120 of file fs/xfs/xfs_btree.c.  Caller 0x8718e102
[ 3234.740000]
[ 3234.750000] regs can't be NULL.
[ 3234.760000] Filesystem "sda": page discard on page 876a1914, inode 0x91, offset 91160576.
[ 3235.150000] Filesystem "sda": XFS internal error xfs_btree_check_sblock at line 120 of file fs/xfs/xfs_btree.c.  Caller 0x8718e102

Thanks,
Mike
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