Re: [ADSM-L] New TSM Layout
2008-07-31 11:24:51
We had 4 TSM server sharing 4 raid groups in one Clariion.
Although we had plenty of LUNs and many spindles, our problem was that we
were flooding the 2 internal paths of the Clariion.
It really cut into our i/o rates.
Gerald Michalak
IBM
"ADSM: Dist Stor Manager" <ADSM-L AT VM.MARIST DOT EDU> wrote on 07/31/2008
10:05:28 AM:
> I went through a number of different configurations on our Clariion. The
> best ended up being to take only 1 LUN from each raid group. As many
raid
> groups as possible.
> My main TSM server has 19 X 200gB raw volumes for its diskpool. Each
> volume is from a different raidgroup.
>
> Just try not to use more than one lun from the same raid group. That's
> when I ran into performance issues.
>
> Regards,
> Shawn
> ________________________________________________
> Shawn Drew
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> Sent by: ADSM-L AT VM.MARIST DOT EDU
> 07/31/2008 10:15 AM
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> Subject
> [ADSM-L] New TSM Layout
>
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> We are in the process of designing our new TSM server. As part of this
> we are also going to give it new SAN drive space.
>
>
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> Currently we have 661 Gig in our disk pool and we are upping that to 900
> Gig. What our questions is how should we partition that? Our current
> pool is in 7 partitions but I was thinking more like 3 or 4 partitions.
> Are there any pro's/con's with going with fewer disk partitions?
>
>
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