Hi,
I'm happily using MD on one of our fileservers.
This fileserver is basically a Dell PowerEdge 2650 loaded with 5x300GB HDDs.
A 1TB Raid5 partition is defined over the 5 disks
md1 : active raid5 sdb3[5] sde3[4] sdd3[3] sdc3[2] sda3[0]
1170238464 blocks level 5, 64k chunk, algorithm 2 [5/4] [U_UUU]
Today, one of the HDDs failed:
I got a lot of errors like this one in the logs
raid5:md1: read error not correctable (sector 153334912 on sdb3).
I failed/removed the disk from the array
mdadm /dev/mdX -f /dev/sdbX
mdadm /dev/mdX -r /dev/sdbX
I then removed it from the scsi bus "echo .... > /proc/scsi/scsi"
Removed the disk from the server (phisically)
Inserted a new one
Did rescan the SCSI bus to detect the new HDD, and the server froze.
This is the second time it happens while changing a hard disk on that
particular brand/model.
Is this a known issue with the SCSI HBA?
Did i do something wrong ?
Thanks
Laurent
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