Is there a way to tell the OS that /dev/sdd is really gone when I disconnect it and that it can reuse that letter?
I have RAIDs hooked up through fibre channel. I have it set up so that fstab will mount them and want this to continue when the device is disconnected and reconnected. The controller will be the same, the disks/RAID will not, so I don't believe UUID's will work. The devices will also be reformatted beyond my control, so mount by labels also does not work.
I've tried these commands, but have not had luck:
echo "1" > /sys/class/fc_host/host#/issue_lip
echo "- - -" > /sys/class/scsi_host/host#/scan
OS: CentOS 5.5