Re: RAID card recommendation - Mailing list pgsql-performance

From Craig James
Subject Re: RAID card recommendation
Date
Msg-id 4B1D7969.20409@emolecules.com
Whole thread Raw
In response to Re: RAID card recommendation  (Greg Smith <greg@2ndquadrant.com>)
Responses Re: RAID card recommendation
List pgsql-performance
Greg Smith wrote:
> Let me try to summarize where things are at a little more clearly, with
> the data accumulated during this long thread:
>
> -Areca:  Usually the fastest around.  Management tools are limited
> enough that you really want the version with the on-board management
> NIC.  May require some testing to find a good driver version.
>
> -3ware:  Performance on current models not as good as Areca, but with a
> great set of management tools (unless you're using SAS) and driver
> reliability.  Exact magnitude of the performance gap with Areca is
> somewhat controversial and may depend on OS--FreeBSD performance might
> be better than Linux in particular.  Older 3ware cards were really slow.
>
> One of these days I need to wrangle up enough development cash to buy
> current Areca and 3ware cards, an Intel SSD, and disappear into the lab
> (already plenty of drives here) until I've sorted this all out to my
> satisfaction.

... and do I hear you saying that no other vendor is worth considering?  Just how far off are they?

Thanks,
Craig


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