On Sun, Mar 19, 2000 at 10:10:13PM -0500, Trevor Astrope wrote:
: You answered your own question: poor man's raid. While the price of
: the raid cards isn't so much of an issue, the price of the drives to do
: hardware raid5 is.
Agreed about the drives, but surely $180 is well within the means of anyone
who feels it necessary to run a raid configuration...
: On the otherhand, if hardware raid1 gives much more
: reliability over software raid1, than I'd be all for that. But I didn't
: think it did. With the machine I described, I could not get the budget for
: hardware raid with hot swappable drives or I definitely would have.
Think of it in terms of a winmodem vs. real modem, under windoze. They
both work, but the winmodem, since it's software based, steals CPU
time that would be better used by other parts of the system.
: I had
: to make my choices and the machine runs a lot of database intensive cgi
: scripts, so I put most of my money in the cpu's and memory. I hoped I
: could get a measure of reliability by having 2 10k rpm UW3 drives and use
: poor man's software raid 1. :-)
If you've got the budget for the CPUs and all the RAM you specified, you
can surely find an extra $180 to add the megaraid I referred to. Heck,
buy two, so you can have one on the shelf "just in case".
After all, the P-III 650's you put in there cost you about $400 each,
and by my count, 640 MB of RAM (2 x 256, 1 x 128) would run you about
$700 (256 == $300, 128 == $100). That's $1100, just for CPUs and
memory. If you took 512MB of RAM instead, you're more than half way
there.. You might want to rethink parts of your sizing process...
--
Jason Costomiris <><
Technologist, cryptogeek, human.
jcostom {at} jasons {dot} org | http://www.jasons.org/
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