Re: The HP MSA20 SATA-SCSI enclosure

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Joshua D. Drake wrote:
> On Thursday 06 July 2006 19:55, Ron Johnson wrote:
>> Being an HP/Compaq shop, I'm looking at an Opteron-and-SATA-based
>> DL145 G2 and an MSA20 SATA enclosure with a U320 interface to use
>> with RHES4 and PostgreSQL.
>
> I recently speced this exact hardware for a customer. When the customer called
> HP to order, HP told them that it is not appropriate for a database. They
> cited shorter life of the SATA drives and overall performance.
>
> Is it true? I don't know. I have used SATA enclosures for databases for
> sometime and have been quite happy with them.
>
> You may also to look at the ml30 which is SCSI.

Thanks. SCSI, though, would push the costs excessively high.

We have a Hitachi 9500 (really a DF600F) SAN, with SATA disks in it,
as well as an older SCSI SAN, and the DF600F works well. We've had
it for at least 2 years (time loses all meaning when you're a
corporate drone...), and TTBOMK, it doesn't suffer abnormal disk deaths.

What SCSI hba did you spec?

- --
Ron Johnson, Jr.
Jefferson LA USA

Is "common sense" really valid?
For example, it is "common sense" to white-power racists that
whites are superior to blacks, and that those with brown skins
are mud people.
However, that "common sense" is obviously wrong.
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