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Are you sure you're not thinking different capacity based on RAID striping? That's normal. For example, units 14, 15, 20, 25. However, some things cannot be balanced, such as journal receivers, and if there's a bunch of them on one or two disks, they'll stay right where they are and potentially skew the numbers (like the second set of disks below the first list - that's a separate ASP on another system. Doing a STRASPBAL on it does nothing - IBM says normal) Size % Unit Type (M) Used 14 4326 26373 8.0 15 4326 26373 8.0 16 4326 30769 8.0 17 4326 30769 8.0 18 4326 30769 8.1 19 4326 30769 8.1 20 4326 26373 8.0 21 4326 30769 8.0 22 4326 30769 8.0 23 4326 30769 8.0 24 4326 30769 8.1 25 4326 26373 8.0 26 4326 30769 8.0 61 6714 17548 3.0 62 6714 17548 2.9 63 6714 13161 4.1 64 6714 13161 4.1 65 6714 13161 .0 66 6714 13161 .0 Justin C. Haase Solution Manager - Technical Services Kingland Systems Corporation -----Original Message----- From: midrange-l-bounces@xxxxxxxxxxxx [mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Daniel Ang Sent: Tuesday, March 13, 2007 8:31 AM To: Midrange Systems Technical Discussion Subject: Re: wrkdsksts, disk utilization not balanced out Hi Pete: I was told that running straspbal *usage will get the disk usage statistic from trcaspbal and spread the data/usage evenly, and if straspbal is not run beforehand it will get the last available statistic which would not be accurate. Daniel On 3/13/07, Pete Massiello <pmassiello@xxxxxxxxxxxxxxxx> wrote:
I usually just run STRASPBAL *CAPACITY and never run the TRCASPBAL at
all.
It always balances the disks 100% perfectly. I can't see why you
would
need to run TRCASPBAL for capacity, but I could for *USAGE. Pete ---------------------------- Original Message
----------------------------
Subject: wrkdsksts, disk utilization not balanced out From: "Daniel Ang" <igsang@xxxxxxxxx> Date: Tue, March 13, 2007 5:25 am To: Midrange-l@xxxxxxxxxxxx
------------------------------------------------------------------------ --
Hello Guys, I've a client with i520, whose wrkdsksts shows different disk
capacity
usage for different disk. i know i can balance it out using TRCASPBAL andfollowby STRASPBAL *usage. 1) I would like to know what is the normal causes of disk imbalance?
the
system has not IPL since 3 months. and cannot afford any IPL. 2) how long do i need to tun trcaspbal? is it resource hungry? will
it
slow down my production services? thanks in advance regards, igsang -- This is the Midrange Systems Technical Discussion (MIDRANGE-L)
mailing
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