Moving PD slots while preserving VD

Tino Schwarze linux-poweredge.lists at tisc.de
Wed Jun 30 04:18:39 CDT 2010


Hi Ken,

On Tue, Jun 29, 2010 at 05:36:39PM -0700, Ken Nishimura wrote:

> I'm halfway through a disk migration to increase space and now want to
> poll the group before proceeding...
> 
> OLD: One virtual disk (Virtual Disk 0) comprised of two 146 GB physical drives
> in controller slots 0 and 1.  This was the system disk.
> 
> WANT: One virtual disk (named Virtual Disk 0) comprised of two 300 GB 
> physical drives in controller slots 0 and 1.  This will be the new system disk.
> 
> Steps taken so far:
> 
> 1) Inserted two 300 GB physical drives in controller slots 2 and 3 and
> created Virtual Disk 1.
> 
> 2) Copied all the info from Virtual Disk 0 to Virtual Disk 1.
> 
> 3) Rebooted into PERC BIOS, and:
> 
> 	a) Forced offline the two 146 GB drives.  This made VD0 disappear
> 	as expected.
> 
> 	b) Physically removed the two 146 GB drives.
> 
> 4) This worked fine.  Machine rebooted and now on a larger virtual disk.
> 
> What I want may seem petty, but I'd like to move the two physical disks
> from slots 2 and 3 back into slots 0 and 1, and rename the VD from
> Virtual Disk 1 to Virtual Disk 0.
> 
> The rename is trivial, but moving disks scares me.  Am I correct in
> fearing that if I were to force offline the two drives and move them
> from slots 2/3 into slots 0/1, that things would go awry?
> 
> What is the safe way (if any) of moving the disks?

Simply power off the machine, pull all disks, insert in desired order.
The controller should pick them up - slot position does not matter since
config is stored on disk.

HTH,

Tino.

-- 
"What we nourish flourishes." - "Was wir nähren erblüht."

www.tisc.de



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