Mirroring AND raid 5 on the same system


G

Guest

Does Windows 2000 Server support BOTH mirroring (for the system partition)
and RAID 5 for the rest of the available space on 3 drives?
Thanks,
Tom C
 
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L

Lanwench [MVP - Exchange]

Tom said:
Does Windows 2000 Server support BOTH mirroring (for the system
partition) and RAID 5 for the rest of the available space on 3 drives?
Thanks,
Tom C

I doubt it - RAID5 itself requires three drives. Corrections welcome, of
course.

NB: I don't recommend software RAID on servers. Hardware SCSI RAID with good
fast drives & a hotspare is well worth the extra expense.
 
W

wanderer

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


-
wandere
 
B

Bjorn Landemoo

Tom

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.

Best regards

Bjorn
 
G

Guest

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.

Tom C
 
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L

Leythos

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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