Today I accidentally tried to mount my backup disk at /dev/sdc instead of /dev/sdc1 and this is what happened: ... EXT4-fs (sdc): VFS: Can't find ext4 filesystem FAT-fs (sdc): bogus number of reserved sectors FAT-fs (sdc): Can't find a valid FAT filesystem FAT-fs (sdc): bogus number of reserved sectors FAT-fs (sdc): Can't find a valid FAT filesystem ISOFS: Unable to identify CD-ROM format. XFS (sdc): bad magic number ffff8800db620000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ ffff8800db620010: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ ffff8800db620020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ ffff8800db620030: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ XFS (sdc): Internal error xfs_sb_read_verify at line 726 of file fs/xfs/xfs_mount.c. Caller 0xffffffff8119e5cd CPU: 3 PID: 68 Comm: kworker/3:1H Not tainted 3.9.0-10518-gd7ab730-dirty #440 Hardware name: System manufacturer System Product Name/M4A78T-E, BIOS 3503 04/13/2011 Workqueue: xfslogd xfs_buf_iodone_work ffffffff81537e9c ffffffff811a0416 000002d600000000 ffffffff8119e5cd ffff8800db2e7500 0000000000000016 ffff8801c0242800 ffff88021fd94f00 ffffffff811e93d5 ffffffff8119e5cd ffff8802168ed820 ffff8800db2e75a0 Call Trace: [<ffffffff81537e9c>] ? dump_stack+0xc/0x15 [<ffffffff811a0416>] ? xfs_corruption_error+0x56/0x80 [<ffffffff8119e5cd>] ? xfs_buf_iodone_work+0x6d/0xa0 [<ffffffff811e93d5>] ? xfs_sb_read_verify+0xf5/0x120 [<ffffffff8119e5cd>] ? xfs_buf_iodone_work+0x6d/0xa0 [<ffffffff8119e5cd>] ? xfs_buf_iodone_work+0x6d/0xa0 [<ffffffff81072cbc>] ? process_one_work+0x13c/0x3c0 [<ffffffff8107304d>] ? worker_thread+0x10d/0x3a0 [<ffffffff81072f40>] ? process_one_work+0x3c0/0x3c0 [<ffffffff8107912f>] ? kthread+0xaf/0xc0 [<ffffffff81079080>] ? __kthread_parkme+0x80/0x80 [<ffffffff8153cf2c>] ? ret_from_fork+0x7c/0xb0 [<ffffffff81079080>] ? __kthread_parkme+0x80/0x80 XFS (sdc): Corruption detected. Unmount and run xfs_repair XFS (sdc): SB validate failed with error 22. XFS (sdc1): Mounting Filesystem XFS (sdc1): Ending clean mount Seems a bit overkill to me ;-). -- Markus _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs
