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Date: Mon, 18 Mar 2013 09:15:51 +0100 From: Markus Trippelsdorf <markus@...ppelsdorf.de> To: linux-ext4@...r.kernel.org Subject: "EXT4-fs error: ext4_mb_generate_buddy" errors during rsync During the nightly rsync run that backups my root filesystem I got: Mar 18 01:52:00 x4 fcron[19997]: Job /usr/bin/rsnapshot daily started for user root (pid 19998) Mar 18 01:56:41 x4 rsnapshot[20187]: /usr/bin/rsnapshot daily: completed successfully Mar 18 01:56:43 x4 fcron[19997]: Job /usr/bin/rsnapshot daily completed (mailing output) Mar 18 01:52:21 x4 kernel: EXT4-fs error (device sda): ext4_mb_generate_buddy:749: group 6817, 7060 clusters in bitmap, 7064 in gd Mar 18 01:52:21 x4 kernel: JBD2: Spotted dirty metadata buffer (dev = sda, blocknr = 0). There's a risk of filesystem corruption in case of system crash. Mar 18 01:56:30 x4 kernel: EXT4-fs error (device sda): ext4_mb_generate_buddy:749: group 6833, 26653 clusters in bitmap, 26656 in gd Mar 18 01:56:30 x4 kernel: EXT4-fs error (device sda): ext4_mb_generate_buddy:749: group 6881, 3985 clusters in bitmap, 3991 in gd Mar 18 01:56:30 x4 kernel: EXT4-fs error (device sda): ext4_mb_generate_buddy:749: group 6897, 5979 clusters in bitmap, 6024 in gd e2fsck 1.42 (29-Nov-2011) Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity Pass 4: Checking reference counts Pass 5: Checking group summary information Free blocks count wrong for group #6817 (6779, counted=6775). Fix<y>? yes Free blocks count wrong for group #6833 (26575, counted=26572). Fix<y>? yes Free blocks count wrong for group #6881 (3916, counted=3910). Fix<y>? yes Free blocks count wrong for group #6897 (5987, counted=5942). Fix<y>? yes Free blocks count wrong (185850303, counted=185850245). Fix<y>? yes /dev/sdb: ***** FILE SYSTEM WAS MODIFIED ***** /dev/sdb: 1619858/91578368 files (0.6% non-contiguous), 180434401/366284646 blocks "smartctl -a /dev/sda" looks fine -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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