>Hans Franke wrote:
> Well, by now I have 3 PCs (AMD) running with motherboard IDE Raid.
> one is just stripeing, the other two mirroring. all three work
> 100% hasslefree. I can't tell about the recovery, because I don't
> needed it until now. but the second mirror configuration was created
> on the fly - an existing harddisk as #1 and a new as #2 and it started
> copying right away.
Jerome Fine replies:
Just a wee reminder about RAID 1 (mirroring) controllers. The
one I have is useless EXCEPT that with a Pentium III 750, the
PCI controller can handle four EIDE drives with a sustained
throughput of 33 MBytes per second or about 2 Gbytes per
minute. This means that I can copy a 1 GByte file from one
hard drive to the other hard drive in about 1 Minute.
As for the RAID 1 (mirroring) function, don't wait until you have
a hard drive failure. Find some way to simulate an error - I just
unplugged one hard drive. If the RAID 1 firmware/software
can't handle the problem, then the mirroring function is not much
use when you don't know what the problem is. So if the RAID 1
is not helpful after you have the problem and if you never have
a problem you don't need RAID 1 in the first place, why bother.
EXCEPT in my case, I kept it for the RAW SPEED.
--
Sincerely yours,
Jerome Fine
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Received on Thu Apr 25 2002 - 22:53:33 BST