| From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
|---|---|
| To: | Vivek Khera <vivek(at)khera(dot)org> |
| Cc: | "Pgsql-Performance ((((E-mail))))" <pgsql-performance(at)postgresql(dot)org> |
| Subject: | Re: New hardware thoughts |
| Date: | 2006-10-23 21:08:33 |
| Message-ID: | 453D2F51.20704@commandprompt.com |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-performance |
>
> FUD!!!
>
> They don't randomly change the controllers under the same name. If you
> order a PERC4e/Si controller you will get the same controller every
> time.
Actually Vivek this isn't true. Yes the hardware will likely be the
same, but the firmware rev will likely be different and I have seen
firmware make an incredible difference for them.
> This particular controller (found in their PE1850) is incredibly
> fast, sustaining over 80Mb/sec writes to a mirror. I measured that
> during a DB mirror using slony.
O.k. but my experience shows that mirroring isn't where their problem
is, raid 5 or 10 is :)
Sincerely,
Joshua D. Drake
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