Best LSM Disk Group for Secondary Swap File

From: Bruce B. Platt <bruce_at_bbplatt.com>
Date: Fri, 09 Apr 1999 13:07:58 -0400

Never having added any additional swap space to an LSM configuration,
before, I am faced with the question of where
(in what disk group) to place a mirrored swap volume which I will call
swapvol2 which will be a secondary swap file.

I fail to find any hints in all the documentation available as to which
disk group, rootdg, or a separate one is the best group in
which to place this volume for performance.

It seems to me that since I am using a system where /, primary swap, /usr,
and /var are mirrored and are in rootdg, it would make sense to add my new
swap volume to a new disk group named "moreswap" or something equally
descriptive.

However, I have no information other than that provided by intuition that
it makes any difference in performance or reliability as to which disk
group I place swapvol2. It certainly makes the LSM layout more
understandable to have swapvol2 in a separate disk group, but that's all i
know for sure.

Anyone have any suggestions?

Thanks in advance and of course I'll summarize.

Regards,

Bruce

+--------------------------------------+
Bruce B. Platt, Ph.D.
Comport Consulting Corporation
78 Orchard Street, Ramsey, NJ 07446
Phone: 201-236-0505 Fax: 201-236-1335
bbp_at_comport.com, bruce_at_ bruce.platt_at_
OR, bruce_at_bbplatt.com
Received on Fri Apr 09 1999 - 17:11:02 NZST

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