RE: DASD - Raid / Mirror Config.

[Kirk Goins <KirkG@xxxxxxxxxxxxxx>]

I'd like to suggest a change to Bruce's process below...

If you wish to Mirror and RAID5 the sames ASP it can be done with less
impact on the system. 

#1 COMPLETE SYSTEM BACK

If the system is unprotected:
        Start RAID5 on all BUT LOADSOURCE and its soon to be mirrored
partner
        Now REMOVE from the ASP the soon to be mirrored partner
        Now Start Mirroring
        All Done

If you want to mirror the loadsource and the system is ALL RAID5
        STOP RAID5 on the system ASP
        Start RAID5 on all BUT LOADSOURCE and its soon to be mirrored
partner
        Now REMOVE from the ASP the soon to be mirrored partner
        Now Start Mirroring
        All Done

        



---------------------------------
Kirk Goins
IBM Certified AS/400 Technical Solutions
Pacific Information Systems
503-290-2104
kirkg@pacinfosys.com
---------------------------------

> -----Original Message-----
> From: R. Bruce Hoffman, Jr. [SMTP:rbruceh@ibm.net]
> Sent: Wednesday, October 13, 1999 4:19 AM
> To:   MIDRANGE-L@midrange.com
> Subject:      Re: DASD - Raid / Mirror Config.
> 
> 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.
> 
> +---
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