warm-plug on a software RAID1, PowerEdge 860
Bart van Kuik
linux-poweredge at vankuik.nl
Fri Jun 8 05:55:44 CDT 2007
I've got a PowerEdge 860 here and as mentioned previously the BIOS/SATA
controller doesn't support usage of the ahci driver. So that means no
I'm running RedHat 5, kernel 2.6.18, using the ata_piix driver and if I've
understood it correctly, this supports warm-plug for the SATA drives. I.e.
you have to manually run commands yourself before unplugging the drive.
(search for "warmplugging")
I've tested it and it seems to work. Replacing second drive here.
# echo 1 > "/sys/class/scsi_device/1:0:0:0/device/delete"
(Physically replace drive)
# echo 0 0 0 > /sys/class/scsi_host/host1/scan
Testing whether it came back:
# cat /proc/scsi/scsi
Can anyone confirm that I'm right, or that I just was lucky today not
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