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Re: Cheap RAID system recommendation?

From: Joe Bloggs <joebloggs74_at_hotmail.com>
Date: Sun, 18 Aug 2002 19:14:08 +0000 (UTC)
Message-ID: <ajorm0$g3j$1@paris.btinternet.com>


"Rick Denoire" <100.17706_at_germanynet.de> wrote in message news:i9nvlu0o21r7eo9fdrmqqojlks4sml7eqv_at_4ax.com...
> Hello *.admin
>
> We are using a Sun's StorEdge A1000 in a Sun E3500 which happens to be
> extremely stow. Before we realized that it was so slow, we planned to
> buy a second one, but now we are looking for a different Raid system.
> The problem is that due to administrative reasons, we are not allowed
> to spend more money than it was once planned. So we are looking for an
> alternative that won't be more expensive that about 30 000 US$.
>
> This is what we need:
>
> - sustained transfer rate > 70 MB/s (not on paper, but *measurable*)
> - fastest SCSI flavor available (fiber channel would be way to
> expensive)
> - disks with 15000 RPM for small latency
> - 400 GB capacity total, equivalent to 200 GB in a Raid 10 conf.
> - no special features except a battery buffered cache
> - greater number of spindles are preferred over bigger disks
>
> This is a quite modest system I think. Be aware that a very fast
> system could even be inappropriate for this old fashioned machine (4
> SPARC 2 CPUs at 400 MHz), but of course, latency can never be small
> enough for scattered I/O operations.
>
> Would you recommend any specific modell for the mentioned machine?
> Dell? IBM? HP?
>
> Comments about your experience with different models are also welcome.
>
> Thanks
>
> Rick
>
> PS: By the way, nowadays some disks are so fast, that they can almost
> reach a sustained transfer rate of 70 MB/s in single mode!
>

Some very good models at www.baydel.com.

Very fast.
Very reliable.
Very simple. (eg no drivers needed) Received on Sun Aug 18 2002 - 14:14:08 CDT

Original text of this message

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