On Mon, 24 Mar 2003 18:02:09 -0600 (Central Standard Time), Craig
Lalley <[log in to unmask]> wrote:


>
>>Each mod20 supports a maximum of 8 luns - the same limit as the Autoraid12H.
>
>8 luns, but 20 mirorred disks, hmmm doesn't compute.  So are you saying I can only have a maximum of 8 disks mirrored on two channels?

No ... you can have multiple physical disks collected into one
"logical" disk that MPE sees. You can define up to 8 "logical" disks
that will show as LDEV's in MPE. For instance, you might want to put 2
disks (RAID 1)  into 1 LUN to be LDEV 1, 2 more disks (RAID 1) into a
LUN to be LDEV 2, then create 5 more LUNS (3 disks each, RAID 5) each
showing up another LDEV on MPE. This would leave 1 "unassigned" disk,
which should be used as a "global hot spare".

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