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I mis-stated the issue before. Data for all 10 server instances were on all 22 
drives but for some reason 6 drives were over 40% utilized while the other 16 
were at 5%. Nomally all 22 had averaged between 3 and 9% utilization. IBM 
provided an additional PTF to apply and we did try and rebalance the drives but 
none of it helped. Finally, last night, I received a message on my screen which 
stated a critical error had occured and shortly afterwards received a call from 
IBM that my disk array control ( that controlled those 6 drives coincedentally 
) is failing. They are actually here as I type this, replacing the bad 
hardware. Let us hope this resolves the problems we have been having. 
-- Sent from my Blackberry Wireless Device --
Jose L. del Risco
Oshkosh Truck Corporation
Corporate Domino Administrator
(920) 420-5646
Jdelrisco@xxxxxxxxxxxx


----- Original Message -----
From: MSteck
Sent: 01/29/2007 07:37 PM
To: Lotus Domino on the iSeries / AS400 <domino400@xxxxxxxxxxxx>
Subject: Re: Domino Utilities and Server Performance Issues



   You stated "When he did some further digging he noticed that ALL of the
   data for all 10 server instances on our LPAR were all on 6 of the 22 disks
   that we have."

   As your iSeries person will say, this is when you are not "balancing your
   ASP" data.  The balancing is usually set when you are adding drives?

   Slowness of response can be attributed to faults and thus disk utilzation?

   I assume your iSeries Admin noticed high Disk utilization for the 6 drives
   in question as well?

   More importantly, has the balancing resolved your issue, if not, not
   knowing your system parms, 10 instances on 1 LPAR seems abit heavy
   depending on many factors.

   Have you added users or activated scheduled agents or increased
   replication from a new app in last couple of weeks perhaps.  Disk
   utilizaton is not a exact science, sometime you reach a breaking point on
   performance that just appears. 2nd, are any of the other LPARS sharing
   disks?  Or are you sharing bus'es of drives?  Many questions ???

   thx

   Michael Steck
   Web Analyst
   Floyd Memorial Hospital & Health Services
   812-949-5954
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