From: MacDonell, Dennis (DennisMacDonell@auslig.gov.au)
Date: Tue Jun 11 2002 - 03:33:16 EDT
> Hi,
>
> We have just received a V880 onto which I have loaded 5.8.
>
> What we have is a V880, with 6 x 36gb disks. We are also going to put 6 x
> 73gb, when the second backplane comes on line. When the second backplane
> comes on line, we may want to shuffle the disks around, one possibility is
> to take one of the 36gb disks that is currently attached to the first
> backplane and put it on the second backplane, with the idea of creating a
> mirror set for the boot disk. Currently we have the OS setup on one of the
> 36gb disks, with a traditional sort of disk partitioning, ie we have /,
> swap, /usr, /var and another partition.
>
> What I was hoping was to setup a raid 5 set on 4 x 36gb disks using
> disksuite, saving the last 36gb disk as a mirror for the boot disk. At
> some latter stage, we will be adding 6 x 73gb disks when the second
> backplane comes on line. I don't know anything about disksuite, except
> what the vendor has told me, ie it can do raid anything. So I don't know
> if disksuite can handle disks of different sizes, it might mean that to
> have one raid 5 set, we would need to partition the 73gb disks into 2 x
> 36gb disk partitions. Its early days at the moment, and we might think of
> just raiding the 73gb disks in the long term, leaving the 36gb as backups.
> However at this point in time, I want to set up disksuite across at least
> 4 of the 36gb disks and have a go at setting up a mirror.
>
> Most of my experience has been on Compaq, where I have used LSM or LMF to
> create mirrors and disk stripping. I have not been able to setup raid 5
> using LSM, for raid 5 we have always gone to hardware.
>
> If anyone has any strategies, or experiences, or recipes for setting up
> disksuite raid/mirror partitions, I'd be most interested in hearing from
> you.
>
> Dennis
>
> ######################################
> Dennis Macdonell
> Systems Administrator
> National Mapping Division, Geoscience Australia
> mail: PO Box 2, Belconnen, ACT 2617
> email: mcdonell@auslig.gov.au
> ph: 61 2 6201 4326
> fax: 61 2 6201 4377
> ######################################
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