From: | Kenji Morishige <kenjim(at)juniper(dot)net> |
---|---|
To: | Roman Neuhauser <neuhauser(at)sigpipe(dot)cz> |
Cc: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com>, pgsql-performance(at)postgresql(dot)org, kenjim(at)juniper(dot)net |
Subject: | Re: most bang for buck with ~ $20,000 |
Date: | 2006-08-18 17:59:10 |
Message-ID: | 20060818175909.GA16222@juniper.net |
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Thread: | |
Lists: | pgsql-performance |
Regarding the DL585 etc boxes from HP, they seem to require external JBOD or
SCSI/SAS enclosures. Does anyone have any particular preference on how these
units should be configured or speced? I'm guessing I'll use the onboard SCSI
RAID 1 with the onboard drives for the OS, but will need 2 external channels
for the data and xlog. Any recommendations there?
Sincerely,
Kenji
On Sat, Aug 12, 2006 at 04:20:19PM +0000, Roman Neuhauser wrote:
> # jd(at)commandprompt(dot)com / 2006-08-08 14:49:21 -0700:
> > >I am considering a setup such as this:
> > > - At least dual cpu (possibly with 2 cores each)
> > > - 4GB of RAM
> > > - 2 disk RAID 1 array for root disk
> > > - 4 disk RAID 1+0 array for PGDATA
> > > - 2 disk RAID 1 array for pg_xlog
> > >
> > >Does anyone know a vendor that might be able provide such setup?
> >
> > I would look at the HP DL 385 or 585. The 385 is going to max a (2) dual
> > core cpus. The 585 is (4) dual core cpus.
>
> I don't know about DL385 or DL585, but DL380 seem to go south within
> 1 year of heavy hitting; precisely the Smart Array RAID controllers
> (4 out of 6 disks suddenly "red"; insert new disks, ooops red as
> well).
>
> I've seen this happen several times, and came away with a conclusion
> that DL380 is sexy, but you don't want to marry it. Then again,
> maybe the DL385 is different, though I seem to remember that both
> G3 (Smart Array 5i) and G4 (6i) did this.
>
> --
> How many Vietnam vets does it take to screw in a light bulb?
> You don't know, man. You don't KNOW.
> Cause you weren't THERE. http://bash.org/?255991
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