ADSM-L

How much recovery log space is enough?

1994-11-29 14:57:40
Subject: How much recovery log space is enough?
From: "Larry Sanders, VM System Maintenance" <[email protected]>
Date: Tue, 29 Nov 1994 13:57:40 CST
Can anyone provide some better guidelines for estimating the amount of
recovery log space needed than those given in the ADSM Administrator's Guide?
It simply says to begin with at least 12M, and then monitor log usage to
determine whether to increase or decrease the size.

Well, I began with 12M, and soon found out that that was inadequate, so I
increased it to 20M, then 30M, and then 40M as ADSM usage at our site
increased.  40M seemed to be adequate for quite a while, but lately we have
been running out of log space again, so I have just increased the log size
to 68M.  How can I estimate the amount of log space needed based on number
of nodes, number of files on each node, number of files on the ADSM server,
etc?

BTW, we are running the VM server at level 0.10/1.10.

Thanks,
Larry Sanders
University of Missouri - Columbia
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