• Subject: Re: DASD - Raid / Mirror Config.
  • From: "R. Bruce Hoffman, Jr." <rbruceh@xxxxxxx>
  • Date: Wed, 13 Oct 1999 07:19:27 -0400

If there is software and data on the box, BACK IT UP FIRST!

Mirroring is configured by ASP. All disks in set. To do this, you must
remove the disks that you don't want mirrored from the ASP, mirror the
asp, then re-add the disks and set the raid protection on them.

In this situation, you will either be working with an empty box to start
with, or you will empty it in the process of removing the additional
disks from the system ASP.

Nick Arnold wrote:
> 
> Hi,
> 
> Quick question...... I have a model s20 with V4R2.
> 
> I have 10 x 8Gb drives and what to enable RAID, On my other machines, and
> historically I always mirrored the load source disk, or at least I did under
> V3R7.
> 
> I took the option from DST to start mirroring, but I cant see where I tell
> it to only mirror unit 1 onto 2.
> 
> In addition, I have started raid, and it is looking at all 10 disks
> including the load source.
> 
> 1. Can you raid protect you load source ?
> 2. If so, is this new with 4.2 ?
> 3. If not, then what am I missing re the mirroring of the load source ?.
> 
> I have looked in the V4R2 Backup & Recovery, but what to confirm.
> 
> Many thanks
> Nick
> 
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-- 
===========================================================
R. Bruce Hoffman, Jr.
 -- IBM Certified AS/400 Professional System Administrator
 -- IBM Certified AS/400 Professional Network Administrator

"The sum of all human knowledge is a fixed constant.
    It's the population that keeps growing!"
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