These messages indicate your storage is not working properly. It doesn't have anything to do with ext3/ext4. > On Dec 19, 2019, at 5:31 AM, liming wu <wu860403@xxxxxxxxx> wrote: > > Hi > > > Who can help analyze the following message . Or give me some advice, I > will appreciate it very much. > > Dec 17 22:14:42 bdsitdb222 kernel: Buffer I/O error on device dm-7, > logical block 810449 > Dec 17 22:14:42 bdsitdb222 kernel: lost page write due to I/O error on dm-7 > Dec 17 22:14:48 bdsitdb222 kernel: Buffer I/O error on device dm-7, > logical block 283536 > Dec 17 22:14:48 bdsitdb222 kernel: lost page write due to I/O error on dm-7 > Dec 17 22:14:48 bdsitdb222 kernel: Buffer I/O error on device dm-7, > logical block 283537 > Dec 17 22:14:48 bdsitdb222 kernel: lost page write due to I/O error on dm-7 > Dec 17 22:14:48 bdsitdb222 kernel: JBD: Detected IO errors while > flushing file data on dm-7 > Dec 17 22:15:42 bdsitdb222 kernel: Buffer I/O error on device dm-8, > logical block 127859 > Dec 17 22:15:42 bdsitdb222 kernel: lost page write due to I/O error on dm-8 > Dec 17 22:15:42 bdsitdb222 kernel: JBD: Detected IO errors while > flushing file data on dm-8 > Dec 17 22:15:48 bdsitdb222 kernel: Aborting journal on device dm-7. > Dec 17 22:15:48 bdsitdb222 kernel: EXT3-fs (dm-7): error in > ext3_new_blocks: Journal has aborted > Dec 17 22:15:48 bdsitdb222 kernel: EXT3-fs (dm-7): error in > ext3_reserve_inode_write: Journal has aborted > Dec 17 22:16:42 bdsitdb222 kernel: Aborting journal on device dm-8. > Dec 17 22:16:42 bdsitdb222 kernel: EXT3-fs (dm-7): error: > ext3_journal_start_sb: Detected aborted journal > Dec 17 22:16:42 bdsitdb222 kernel: EXT3-fs (dm-7): error: remounting > filesystem read-only > Dec 17 22:16:48 bdsitdb222 kernel: Buffer I/O error on device dm-7, > logical block 23527938 > Dec 17 22:16:48 bdsitdb222 kernel: lost page write due to I/O error on dm-7 > Dec 17 22:16:48 bdsitdb222 kernel: Buffer I/O error on device dm-7, > logical block 0 > Dec 17 22:16:48 bdsitdb222 kernel: lost page write due to I/O error on dm-7 > Dec 17 22:16:48 bdsitdb222 kernel: JBD: I/O error detected when > updating journal superblock for dm-7. > Dec 17 22:17:05 bdsitdb222 kernel: EXT3-fs (dm-7): error in > ext3_orphan_add: Journal has aborted > Dec 17 22:17:05 bdsitdb222 kernel: __journal_remove_journal_head: > freeing b_committed_data > > plus info: > it's KVM > # uname -a > Linux bdsitdb222 2.6.32-279.19.1.el6.62.x86_64 #6 SMP Mon Dec 3 > 22:54:25 CST 2018 x86_64 x86_64 x86_64 GNU/Linux1 > > # cat /proc/mounts > rootfs / rootfs rw 0 0 > proc /proc proc rw,nosuid,nodev,noexec,relatime 0 0 > sysfs /sys sysfs rw,nosuid,nodev,noexec,relatime 0 0 > devtmpfs /dev devtmpfs > rw,nosuid,relatime,size=8157352k,nr_inodes=2039338,mode=755 0 0 > devpts /dev/pts devpts rw,relatime,gid=5,mode=620,ptmxmode=000 0 0 > tmpfs /dev/shm tmpfs rw,nosuid,nodev,relatime 0 0 > /dev/mapper/systemvg-rootlv / ext4 rw,relatime,barrier=1,data=ordered 0 0 > /proc/bus/usb /proc/bus/usb usbfs rw,relatime 0 0 > /dev/vda1 /boot ext4 rw,relatime,barrier=1,data=ordered 0 0 > /dev/mapper/systemvg-homelv /home ext4 rw,relatime,barrier=1,data=ordered 0 0 > /dev/mapper/systemvg-optlv /opt ext3 > rw,relatime,errors=continue,barrier=1,data=ordered 0 0 > /dev/mapper/systemvg-tmplv /tmp ext3 > rw,relatime,errors=continue,barrier=1,data=ordered 0 0 > /dev/mapper/systemvg-usrlv /usr ext4 rw,relatime,barrier=1,data=ordered 0 0 > /dev/mapper/systemvg-varlv /var ext4 rw,relatime,barrier=1,data=ordered 0 0 > /dev/mapper/datavg-datalv /mysql/data ext3 > rw,relatime,errors=continue,barrier=1,data=ordered 0 0 > /dev/mapper/datavg-binloglv /mysql/binlog ext3 > rw,relatime,errors=continue,barrier=1,data=ordered 0 0 > none /proc/sys/fs/binfmt_misc binfmt_misc rw,relatime 0 0 > sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs rw,relatime 0 0 > none /sys/kernel/debug debugfs rw,relatime 0 0 > > # ll /dev/mapper/ > total 0 > crw-rw---- 1 root root 10, 58 Dec 19 19:21 control > lrwxrwxrwx 1 root root 7 Dec 19 19:21 datavg-binloglv -> ../dm-3 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 datavg-datalv -> ../dm-2 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-homelv -> ../dm-4 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-optlv -> ../dm-7 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-rootlv -> ../dm-1 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-swaplv -> ../dm-0 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-tmplv -> ../dm-6 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-usrlv -> ../dm-8 > lrwxrwxrwx 1 root root 7 Dec 19 19:21 systemvg-varlv -> ../dm-5 Cheers, Andreas
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