Re: [Q] rootvg mirror question?

From: Adams Kevin J (kevin.adams@PHS.COM)
Date: Mon Jul 28 2003 - 14:22:37 EDT


Simon,

I must be missing the point because I'm sure I've done this before, i.e.,
swap out hdisk0 or hdisk1 and mirrorvg without rebooting.

If you're already setup and have mirrored hdisk0 and hdisk1, and you have a
failure in hdisk1, you should be able to swap and remirror, since hdisk1 is
already marked bootable.

What am I missing? The original post mentioned the above scenario didn't it?

I could see the problem if you added and new disk and it created a new hdisk
that wasn't there at previous boot.

Kevin Adams
PacifiCare Behavioral Health
Principal Systems Analyst
AIX Certified Advanced Technical Expert

-----Original Message-----
From: Green, Simon [mailto:Simon.Green@EU.ALTRIA.COM]
Sent: Monday, July 28, 2003 3:18 AM
To: aix-l@Princeton.EDU
Subject: Re: [aix-l] [Q] rootvg mirror question?

Couldn't you still re-mirror rootvg? You just wouldn't be able to make the
replacement disk bootable at first. That would still give you some
protection until a re-boot could be arranged.

Not an ideal situation, however, and one I would hope IBM will address in
the near future, since they claim to be placing so much importance on
availability.

Simon Green
Altria ITSC Europe Ltd

AIX-L Archive at http://marc.theaimsgroup.com/?l=aix-l&r=1&w=2
AIX FAQ at http://www.faqs.org/faqs/aix-faq/

N.B. Unsolicited email from vendors will not be appreciated.

> -----Original Message-----
> From: Hunter, Mark [mailto:Mark.Hunter@ANHEUSER-BUSCH.COM]
> Sent: 23 July 2003 22:09
> To: aix-l@Princeton.EDU
> Subject: Re: [Q] rootvg mirror question?
>
>
> Well, almost.
> You can not replace and remirror rootvg. The list of
> bootable drives is
> configured at boot time and can not be changed without a
> reboot. The new disk
> will not be listed until a reboot. You can replace any non
> rootvg on the fly
> and be ok.

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