diskutil createRAID question
diskutil createRAID question
- Subject: diskutil createRAID question
- From: email@hidden (Jack Howarth)
- Date: Sat, 18 Sep 2004 02:09:37 -0400 (EDT)
Now that I have installed a second identical SATA drive I am
interested in trying to get a multi-hfs RAID-1 mirror set up on
my dual G5 under 10.3.5. I noticed that the DiskUtility program
graphical interface won't work. While its help page on "Create a
RAID set" indicates that either disks or volumes can be dragged
to the RAID disks window to create a RAID in reality only disks
can be used. Clicking on a volume from the disk removes the RAID
tab in the DiskUtility window.
My question is the following. It would seem my only remaining
option is the diskutil command line program from Darwin. However
the manpage for diskutil is unclear on the Create a RAID option.
It says....
Create a RAID
diskutil createRAID mirror MirrorDisk HFS+ disk disk2
and later says...
DEVICES
A device parameter to any of the above commands (except where explicitly
defined otherwise) is any of the following
The device node entry. Any entry of the form of /dev/disk*. ex.
/dev/disk2
The disk identifier. Any entry of the form of disk*. ex. disk1s9
The volume mount point. Any entry of the form of /Volumes/Mountpoint.
ex. /Volumes/Untitled
which I would assume implies that I could in theory create two different
RAID-1 partitions from a set of drives identically partitioned using
commands like...
diskutil createRAID mirror MirrorPanther HFS+ disk0s9 disk1s9
diskutil createRAID mirror MirrorTiger HFS+ disk0s10 disk1s10
where the s9 and s10 slices are existing partitions on the drives.
Does anyone know if this has any chance of working? I would rather
not waste my time if diskutil is known to not work in this manner.
Jack
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