[CentOS] SAS/SATA DAS

Rudi Ahlers rudiahlers at gmail.com
Tue Sep 2 21:42:14 UTC 2008


On Tue, Sep 2, 2008 at 8:44 PM, nate <centos at linuxpowered.net> wrote:

> Joseph L. Casale wrote:
>
> > Anyone got any real world info they can share? I need 3.5" SATA II at
> least
> > 12 drives behind SAS,
> > I am not concerned about space and could use multiple 1u chassis if I had
> > to.
>
> What about this?
>
> http://h18000.www1.hp.com/products/quickspecs/13045_na/13045_na.html
>
> The MSA2000sa is a 2U direct attach, external shared storage
> solution designed for small to medium size deployments or
> remote locations. It comes in two models - a basic single
> controller model for low initial cost with the ability to
> upgrade later; and a model with dual controllers standard
> for maximum performance. This solution offers a SAS host
> nterface to accommodate twelve 3.5 inch enterprise class
> SAS drives and archival-class SATA drives. Additional
> capacity can easily be added when needed by attaching up
> to three MSA2000 12 bay drive enclosures. Maximum raw
> capacity ranges from 3.6TB SAS or 12TB SATA in the base
> cabinet, to over 14.4TB SAS or 48TB SATA with the addition
> of the maximum number of drive enclosures.
>
> This page says it supports SATA II
>
> http://h18006.www1.hp.com/storage/disk_storage/msa_diskarrays/san_arrays/index.html
>
> nate
>
> _______________________________________________
>

Sorry for hi-jacking this thread, but it's very interesting. What's the
difference, apart from the speed & price between SAS & SATAII?



-- 

Kind Regards
Rudi Ahlers
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