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Date:   Thu, 19 Dec 2019 20:31:14 +0800
From:   liming wu <wu860403@...il.com>
To:     linux-ext4@...r.kernel.org
Subject: 

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