From: Mark Lamport (lamport@KCMETRO.CC.MO.US)
Date: Wed Nov 06 2002 - 09:48:30 EST
Thank you Simon for your great wisdom.
Mark Lamport
----- Original Message -----
From: "Green, Simon" <SGreen@KRAFTEUROPE.COM>
Newsgroups: bit.listserv.aix-l
To: <aix-l@Princeton.EDU>
Sent: Wednesday, November 06, 2002 8:33 AM
Subject: Re: Quorum after replacing bad disk
> You can and should mirror the JFSlog. Just treat it like any other LV; no
> special treatment is required. If the JFSlog is not mirrored, then if you
> lose the disk on which it is placed you'll lose access to all filesystems
> that use it.
>
> You ought to set Quorum to 1. Use the chvg command: chvg -Q n VGNAME.
This
> way, whichever disk fails the other one will still be available.
>
> Simon Green
> Philip Morris ITSC Europe
>
> 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 seldom be appreciated.
>
> > -----Original Message-----
> > From: Mark Lamport [mailto:lamport@KCMETRO.CC.MO.US]
> > Sent: 06 November 2002 14:00
> > To: aix-l@Princeton.EDU
> > Subject: Re: Quorum after replacing bad disk
> >
> >
> > The volume group consists of 2 disks and when one of the
> > disks went bad
> > because it was mirrorred, the file systems on that volume group stayed
> > available. When I unmirrorred the bad disk I had to perform
> > a migratepv to
> > move the jfslog as it was on the bad disk. I want to make
> > sure if another
> > disk goes bad in this volume group, the system stays up. Will it with
> > quorum set to 1? What command sets the quorum? Should I put
> > a jfslog on
> > both disks or can I mirror the jfslog? I believe before the
> > problem quorum
> > was set to 2 and disk1, the initial disk, went bad.
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