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.


-stephen



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