| From: | The Hermit Hacker <scrappy(at)hub(dot)org> |
|---|---|
| To: | "Ross J(dot) Reedstrom" <reedstrm(at)wallace(dot)ece(dot)rice(dot)edu> |
| Cc: | pgsql-general(at)postgreSQL(dot)org |
| Subject: | Re: [GENERAL] server hardware recommendations (the archives aredead) |
| Date: | 1999-12-15 17:16:10 |
| Message-ID: | Pine.BSF.4.21.9912151314470.651-100000@thelab.hub.org |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
| Thread: | |
| Lists: | pgsql-general |
On Wed, 15 Dec 1999, Ross J. Reedstrom wrote:
> Ah, this would be a RAID 0+1 setup, then? Very different from Jeff's RAID
> 5 configuration. I'd be willing to believe that software RAID 0+1 _could_
> be faster than most hardware (it's just shuffling and dupping blocks
> around to different drives, which could be done with clever pointer
> twiddling) but calculating parity bits in hardware for RAID 5 had got
> to be a win, doesn't it?
Oops, overlooked the RAID5 issue...sorry about that...
> > setup, same machine, same OS, were net'ng me something like 3MB/s...really
> > killed performance *grin*)
>
> Hmm, bad drives as in broken, or slow?
Slow...they were bought brand new a year ago...Fujitsu's...even a single,
non-stripe'd drive, was performing atrociously...replaced them with
Seagates and the machine flies ...
Marc G. Fournier ICQ#7615664 IRC Nick: Scrappy
Systems Administrator @ hub.org
primary: scrappy(at)hub(dot)org secondary: scrappy(at){freebsd|postgresql}.org
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