From: | "Joshua D(dot) Drake" <jd(at)commandprompt(dot)com> |
---|---|
To: | Ben Suffolk <ben(at)vanilla(dot)net> |
Cc: | Dave Cramer <pg(at)fastcrypt(dot)com>, pgsql-performance(at)postgresql(dot)org |
Subject: | Re: New hardware thoughts |
Date: | 2006-10-20 18:52:09 |
Message-ID: | 45391AD9.8080808@commandprompt.com |
Views: | Raw Message | Whole Thread | Download mbox | Resend email |
Thread: | |
Lists: | pgsql-performance |
Ben Suffolk wrote:
>> You mentioned a "Perc" controller, so I'll assume this is a Dell.
>>
>> My advice is to find another supplier. check the archives for Dell.
>>
>> Basically you have no idea what the Perc controller is since it is
>> whatever Dell decides to ship that day.
>>
>> In general though you are going down the right path here. Disks first,
>> memory second, cpu third
>>
>> Dave
>
> Yes I am looking at either the 2950 or the 6850. I think the only think
> that the 6850 really offers me over the 2950 is more expandability in
> the spare processor, and additional memory
> sockets. In all other respects the config I am looking at would fit
> either chassis. Although the 2950, being slightly newer has the DRAC 5
> (dells implementation of IPMI) management, which may be useful.
Get an HP with the 64* series. They are a good, well rounded machine for
PostgreSQL.
> I hear what you say about the raid card, but how likely are they to
> change it from the LSI Mega Raid one in reality? But I am open to
Heh... very likely. I have a 6 drive Dell machine with a Perc controller
(lsi rebrand). If I put it in RAID 5, it refuses to get more than 8 megs
a second. If I put it in RAID 10, it get about 50 megs a second.
If I get the offshelf LSI Megaraid withe the same configuration? You
don't want to know... it will just make you want to cry at the fact that
you bought a Dell.
Sincerely,
Joshua D. Drake
> suggestions if you have any specific models from other manufacturers I
> should look at. I do need to be able to get the fast hardware support on
> it though that I can get from the likes of Dells 4 hours on site call
> out, so rolling my own isn't an option on this one really (unless it was
> so much cheaper I could have a hot standby or at least a cupboard of all
> the needed parts instantly available to me)
>
> Regards
>
> Ben
>
>
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>
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>
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