From: Adams Kevin J (kevin.adams@PHS.COM)
Date: Wed Jan 08 2003 - 13:46:00 EST
To take it a step further, why not use paging space as your dump device?
I believe it's OK to mirror paging and use it as a primary dump device. I
think at one time it wasn't OK, prior to 4.3.3?
Kevin Adams
-----Original Message-----
From: Bob Booth - UIUC [mailto:booth@UIUC.EDU]
Sent: Wednesday, January 08, 2003 10:00 AM
To: aix-l@Princeton.EDU
Subject: Re: [aix-l] secondary paging
Unless your machine dumps an awful lot, and your in threat of loosing a
critical core dump, I would stop mirroring your dump device. You are just
wasting space there. A separate dump space just sits idle until you dump.
Once you remove the paging mirror, the logical volume copy will be deleted,
but
it will free the space. You can create another paging device on the volume
and activate it, giving you your secondary. However, in doing this, you are
removing your fault protection, so you will need to make the decision based
on
why you were mirroring the paging space in the first place.
bob
On Wed, Jan 08, 2003 at 09:50:24AM -0800, rohan chandrashekar wrote:
>
> I have a AIX 4.3.3 system on which I have the paging space and the dump
device mirrored. Both the rootdisk and the mirrored disk are in the rootvg
volumegroup. The dump device and the paging space are not the same on the
same logical volume.I want to know if I can remove the paging space from the
mirrored disk and use it as a secondary paging space..?
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