[linux-lvm] I/O errors on two disks
Daniel Davidson
danield at igb.uiuc.edu
Wed May 2 13:44:49 UTC 2007
I have six promise vtrack 15200 arrays in raid 5 config that I have
LVM'ed together to hold a disk copy of my backup data. I restarted the
machine yesterday for the first time in a while and the filesystem seems
to be not quite right. On both of these devices I am getting the
following errors:
[root at sbackup ~]# vgscan
Reading all physical volumes. This may take a while...
/dev/sdc: read failed after 0 of 4096 at 10499998285824: Input/output
error
/dev/sdf: read failed after 0 of 4096 at 10499996450816: Input/output
error
Found volume group "backupdisk" using metadata type lvm2
It doesnt make since that there is a bad sector because of the raid 5
nature and the arrays show perfect health. I can read from the drive as
show by:
[root at sbackup ~]# dd if=/dev/sdc of=/dev/null
1744873+0 records in
1744872+0 records out
893374464 bytes (893 MB) copied, 29.2183 seconds, 30.6 MB/s
Note: I did a ctrl C
Any ideas on how to repair?
thanks,
Dan
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