Re: performance diff if move 1 of several app data libs to asp 2

[Charles Wilt <charles.wilt@xxxxxxxxx>]

Why not simply move the disks into ASP1?

Charles


On Wed, Mar 12, 2014 at 4:31 PM, J Franz <franz400@xxxxxxx> wrote:

> I agree, but in this case, there "old drives" in both asps, of
> several sizes, but no "slow/large" drives. The 2nd asp was not a part of
> the original setup in '08.
> jim
>
>
> ________________________________
> From: Chris Bipes <chris.bipes@xxxxxxxxxxxxxxx>
> To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxx>
> Sent: Wednesday, March 12, 2014 4:22 PM
> Subject: RE: performance diff if move 1 of several app data libs to asp 2
>
>
> It really depends on the disk controller, number of drives, drive types
> and speed, and size of drives.
>
> 4 2T SATA drives at 7200RPM will be slow compared to 8 320GB 15K RPM SAS
> drives.  SCSI performance can really slow things down compared to SAS.
>
> Most Archive ASP's I have seen have been of few large slow drives to hold
> lots of rarely used data.  Would not put prod DB's there.
>
> Chris Bipes
> Director of Information Services
> CrossCheck, Inc.
>
>
> -----Original Message-----
> From: midrange-l-bounces@xxxxxxxxxxxx [mailto:
> midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of J Franz
> Sent: Wednesday, March 12, 2014 1:03 PM
> To: Midrange Systems Technical Discussion
> Subject: performance diff if move 1 of several app data libs to asp 2
>
> We want to balance our asps so asp 1 not so full, but don't want
> performance degraded.
> If moved, user apps will be reading data from both asps. Asp 2 was orig
> set up years ago for old rarely used data.
>
> --Auxiliary storage pools--   Over-       -----  ASP Media  -----
> Name      Number   Type       flow Mirror   Size    Avail   %Used
> *SYSTEM    00001 *SYSBAS       No   No      1835 G 206283 M  88.7
> *NONE      00002 *SYSBAS       No   No    705650 M 222931 M  68.4
>
> Inquiring minds want to know...
>
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