RE: 7.3 upgrade & disk space requirement -- MIDRANGE-L

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Is it still are requirement that all the disks in a RAID set are the same size or only the amount of space on each drive will be limited to the smallest drive?

If so, you will need to build a RAID set of drives with at least 70GB usable each, after the RAID is configured.

You can mirror two drives or as small as 3 drive RAID-5 set. For performance I would build a RAID set with 4 or more drives. But newer controllers negate that old rule of thumb.

What are the current rules?

More importantly, what hardware do you have, especially RAID card?

Chris Bipes
Director of Information Services
CrossCheck, Inc.

-----Original Message-----
From: MIDRANGE-L [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Kirk Goins
Sent: Tuesday, May 30, 2017 3:42 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxx>
Subject: Re: 7.3 upgrade & disk space requirement

Only the Loadsource needs to have at least 70GB of usable space.
So if you if your loadsource is a 79GB drive and it is part of a raid set
it won't have 7oGB of Usable Space. WRKDSKSTS will show you the usable
space after raid. All the other drives can be any supported disk size.

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