[Beowulf] Software RAID?
landman at scalableinformatics.com
Sat Nov 24 20:52:25 PST 2007
stephen mulcahy wrote:
> I'd note that battery backed caches on the RAID cards I've looked at in
> the last few months seem to come at a *significant* premium over the
> base price of the card (50-100% type significant).
Hmmm.... those must be either really expensive batteries, or really
cheap cards then. Typical battery prices we see are ~$100USD. Typical
card prices (for good cards) start around $300USD and go up from there ...
> Not a reason not to opt for it, but the cost-benefit of a battery-backed
> cache versus a UPS backed server might be worth investigating.
A good rack mount UPS will be ~$1000USD or more. A good deskside UPS
would be about 1/4th of that.
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web : http://www.scalableinformatics.com
phone: +1 734 786 8423
fax : +1 866 888 3112
cell : +1 734 612 4615
More information about the Beowulf