ADSM-L

Re: Migration Speed Has Plummeted

2005-08-17 10:00:01
Subject: Re: Migration Speed Has Plummeted
From: David E Ehresman <deehre01 AT LOUISVILLE DOT EDU>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Wed, 17 Aug 2005 08:09:41 -0400
>We back up around  220 Gb of data to the disk pool overnight, then migrate
>(with caching on) to cartridge in the morning.
>

I assume you mean TSM storage pool caching rather than 3390 caching.  If so, 
I'd turn off caching for a day and see if that makes a difference.  It is my 
understanding that TSM caching, while optimizing restore times, can cause 
performance problems in other TSM areas.  

David