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You're not wrong there... I think there's definitely more to the story that
he's not getting from the guy that told him about the data being
concentrated on 6 disks.
Chris Whisonant
<Chris.Whisonant@
comporium.com> To
Sent by: Lotus Domino on the iSeries / AS400
domino400-bounces <domino400@xxxxxxxxxxxx>
+chadb=wheeling-n cc
isshin.com@midran
ge.com Subject
Re: Domino Utilities and Server
Performance Issues
01/25/2007 01:08
PM
Please respond to
Lotus Domino on
the iSeries /
AS400
<domino400@midran
ge.com>
Correct me if I'm wrong, but i5/OS doesn't create data like that. I would
be REALLY curious to see how this person determined that ALL of the Domino
data was only on 1/4 of the disks. Are those disks separated in a user
ASP? That could be possible, but you would have had to poing the
/LOTUS/DATA directory to that user ASP...
Chris Whisonant
Senior Mid-Range Systems Administrator
Comporium
803-326-7270
IBM Certified Specialist -- eServer i5 iSeries Domino Technical Solutions
V5R3
IBM eServer Certified Systems Expert - iSeries Technical Solutions V5R2
IBM Certified System Administrator - Lotus Notes and Domino 6/6.5
IBM Certified System Administrator - Lotus Notes and Domino 7
IBM Certified Associate Developer - Lotus Notes and Domino 6/6.5
domino400-bounces+chris.whisonant=comporium.com@xxxxxxxxxxxx wrote on
01/25/2007 08:24:16 AM:
How much cache is on the controller that controls the drives on the
iSeries
box that hosts Domino? Domino seems to really perform better with a
hefty
amount of disk controller cache. Of course that doesn't explain why things were fine, then got bad. I'm
not
sure what was the event that concentrated your Domino specific stuff on
6
of the 22 drives... i'd have the guy who found that situation keep
digging
further into it! He should also be able to talk with IBM support for
some
possible reasons why...
JDelRisco@oshtruc
k.com
Sent by: To
domino400-bounces domino400@xxxxxxxxxxxx
+chadb=wheeling-n cc
isshin.com@midran
ge.com Subject
Domino Utilities and Server
Performance Issues
01/24/2007 06:23
PM
Please respond to
Lotus Domino on
the iSeries /
AS400
<domino400@midran
ge.com>
Hello Everyone,
I have been experiencing Lotus Notes performance issues since Monday
morning. At first we thought the problem to be a run away process (
Router
task on a server was running at 80-90% for about 35min and it wasn't
doing
anything ). Since then ( Monday at 10:35am ), CPU for the entire LPAR
has
been averaging 30% and peaking at 65%. Still, as of the time of this email, we are seeing intermittent performance issues. And by that I
mean,
everything seems to run normally then for some seemingly random reason,
it
take upwards of 4 minutes just to open an email that does not have an attachment or switch to a different folder view, etc. We sniffed the network and found no network issues occurring during these moments that Lotus Notes runs slow. These moments tend to last about 5-10 minutes
and
all goes back to normal. The performance problems to not seem to tie
into
any server task or event taking place. After eliminating CPU we checked Memory. The iSeries guru at our organization informed me that there didn't appear to be any memory
issues
but did notice that 6 of our disks ( of 22 ) were being hit hard. 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. This
was
not the case last week. It would seem that the performance issues were related to disk and he is performing a task to evenly distribute the
data
among the 22 disks by usage. Now you are all probably wondering, "How
did
all the data end up on just 6 disks when it was spread across 22 last week?"...... That, my friends, is the $100,000 question. If anyone has any ideas I would love to hear them. Some background info. Saturday night we applied PTF's to the LPAR. We also ran Fixup on 3 of our server, and Updall -r on 2 of the 3
servers
that Fixup was run on. That is the extent of the changes that occurred this weekend. I have a directors meeting in the morning at which they will be asking me why
Lotus
Notes is running slow. I believe I have determined what was the problem but not the root cause. If anyone can send me idea before 9am tomorrow. Feel free to ask me any questions, I will provide as much detail as I
can.
Thanks, Jose del Risco Corporate Domino Administrator Oshkosh Truck Corporation (920) 235.9151 x 2741 Although this e-mail and any attachments are believed to be free of any virus or other defect which might affect any computer system, it is the responsibility of the recipient to check that it is virus-free and the sender accepts no responsibility or liability for any loss, injury,
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