Since this is software ie. partition mirroring, yes you can have two o
the drives with mirrored partitions and three drives with a raid
partition. This would leave the space on one drive that is no
available on the other two due to the mirror set.
Personally I would never recommend or use software raid in productio
environment. Raid cards are cheap these days and so much faster/bette
then software raid. Hardware raid takes the load off the cpu thereb
making your system faster/more responsive. Hardware raid also has th
ability of doing hot spares so if a drive fails in your raid array th
hot spare kicks in and replaces the failed drive without you eve
touching the system
Yes, it does. Create your system partition on disk 0, mirror it to disk 1,
create your data partition on disks 0, 1 and 2. You will get free space as
large as your system partition on disk 2.
Thanks - I thought so -
I wish this was on a HW RAID, but the site is a remote one, and rebuilding
is not a feasable option, so this should be the next best thing. I already
have the mirror established, so the addition of the the RAID 5 for the
remainder gives a bit more of a safety net.
Hardware raid also has the
ability of doing hot spares so if a drive fails in your raid array the
hot spare kicks in and replaces the failed drive without you ever
touching the system.
They even had hot-swappable IDE RAID cards available. I setup a Promise
SX6000 RAID controller with 6 x 250GB IDE drives and even tested the
hot-swap, dang drives are getting more like SCSI every day.
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