| From: | "J(dot) Andrew Rogers" <jrogers(at)neopolitan(dot)com> |
|---|---|
| To: | Vivek Khera <vivek(at)khera(dot)org> |
| Cc: | pgsql-performance(at)postgresql(dot)org |
| Subject: | Re: opinion on disk speed |
| Date: | 2005-12-12 23:17:50 |
| Message-ID: | 71739A0D-1F86-4092-8AE2-AE58C03B4729@neopolitan.com |
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| Lists: | pgsql-performance |
On Dec 12, 2005, at 2:19 PM, Vivek Khera wrote:
> On Dec 12, 2005, at 5:16 PM, J. Andrew Rogers wrote:
>
>> We've swapped out the DIMMs on MegaRAID controllers. Given the
>> cost of a standard low-end DIMM these days (which is what the LSI
>> controllers use last I checked), it is a very cheap upgrade.
>
> What's the max you can put into one of these cards? I haven't been
> able to find docs on which specific DIMM type they use...
Table 3.7 in the MegaRAID Adapter User's Guide has the specs and
limits for various controllers. For the 320-2x, the limit is 512MB
of PC100 ECC RAM.
J. Andrew Rogers
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