RAID-1 possible for multi-filesystem disk?
RAID-1 possible for multi-filesystem disk?
- Subject: RAID-1 possible for multi-filesystem disk?
- From: email@hidden (Jack Howarth)
- Date: Tue, 14 Sep 2004 22:49:52 -0400 (EDT)
I know this may not be the most appropriate place to ask this
question but I am wondering if any Darwin experts here know the
limits of the current RAID-1 support in Panther. In particular, I
am interested in creating a RAID-1 mirror using two identical SATA
drives in a dual G5. I understand that a single filesystem disk
can be non-destructively converted over to a unpaired mirror
using the command...
diskutil enableRAID mirror disk0
Unfortunately this comamnd fails on a disk0 that contains two
HFS+ partitions with an error message that the disk was not
appropriate and an error number -9694. While I can understand that
the current diskutil may have limitations on the enableRAID feature
I am now wondering if MacOS X 10.3 supports RAID-1 of disks with
multiple bootable partitions at all? Can anyone confirm that if
I were to destructively repartition the drives and manually create
the RAID-1 in DiskUtility (before reinstalling Panther) that I
could in fact have both HFS+ partitions on a disk0 set up to mirror
with RAID-1 on a second disk? I am a tad worried that I may have
run into a nasty limitation of the OS's RAID support.
Jack
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