| From: | Alex Stapleton <alexs(at)advfn(dot)com> |
|---|---|
| To: | Charles Sprickman <spork(at)bway(dot)net> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: SAN/NAS options |
| Date: | 2005-12-21 10:17:27 |
| Message-ID: | 65701295-1601-43C7-8308-257170E29A9C@advfn.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
>
>> I hope this isn't too far off topic for this list. Postgres is
>> the main application that I'm looking to accomodate. Anything
>> else I can do with whatever solution we find is just gravy...
> You've given me a lot to go on... Now I'm going to have to do some
> research as to real-world RAID controller performance. It's vexing
> (to say the least) that most vendors don't supply any raw
> throughput or TPS stats on this stuff...
One word of advice. Stay away from Dell kit. The PERC 4 controllers
they use don't implement RAID 10 properly. It's RAID 1 + JBOD array.
It also has generally dismal IOPS performance too. You might get away
with running software RAID, either in conjunction with, or entirely
avoiding the card.
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