[LUAU] off topic: performance question

Vince Hoang vince at litrium.com
Fri Jan 21 18:25:21 PST 2005


On Thu, Jan 20, 2005 at 11:47:30AM -1000, Charles Lockhart wrote:
> quick question to anyone who has the interest to answer: We
> ordered a NAS, raid 5 system based on 3ware dual opteron
> (1.8Ghz) boxes running RH7.3 and CyberNAS software. We ordered
> 20 SATA 250GB drives with 16MB caches for it. What we got was
> 20 SATA 250GB drives with 8MB caches. 

http://www.accelertech.com/products/nas/cybernas/cn_amd420a.php

The specs say 1 8-port card. Are you running multiple 3ware cards
or using software RAID for the remaining 12 disks?

> And we're trying to figure out if the impact on throughput is
> worth several months of waiting for the other drives to come
> in, and possibly having to pay out a bit more money.

You can try installing the disks anyway and running benchmarks to
see if the numbers are good enough.

-Vince



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