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On 07/19/2009 04:25 PM, Jerry Feldman wrote: > Drive mappings in Linux are somewhat arbitrary. My specific problem is > that I have a SCSI box, 2 controllers 5 slots each with roughly 9 drives > currently plugged in. Looking at LVM, one drive, /dev/sdd, has not been > allocated. The issue is that I want to figure out what physical drive it > is. "hdparm -I /dev/sdd" will give you a serial number that you could check against the physical drive, if you can get in a peek at that. > The second problem is that this is a production drive and I don't > want to have to shut it down. Unless you have a really slick computer case that would let you look at the drive serial numbers without taking them out, I'm not sure how you'd manage to not shut it down. > Unfortunately, it is not hot-swap in that if I place a drive into an empty > slot, the system will not recognize it. I do know which physical drive is > the boot drive, so I could conceivably take down NFS and unmount the LVM > volumes. I'm confused as to whether sdd is current a PV used by LVM, but not actually in use, or if it's just an unused drive. I think you've got an extra step to do if it's the former. HTH, Matt
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