Messages in this thread | | | Date | Thu, 18 Dec 2008 17:56:04 +1100 | From | Nick Andrew <> | Subject | Re: MDADM Software Raid Woes |
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On Wed, Dec 17, 2008 at 11:33:31PM -0500, Dylan Taft wrote: > I created the raids with the mdadm tool, originally configured manually > /dev/md0 for sdb1/sdc1 raid1 to be mounted as /boot > /dev/md1 for sdb2/sdc2 raid0 > > I created 3 partitions on md1, one for future /, one for swap, one for > future /home. > So I had /dev/md0, md1, and /dev/md1p1,/dev/md1p2/dev/md1p3
Why not use LVM for /dev/md1 ?
pvcreate /dev/md1 vgcreate myvg /dev/md1 lvcreate -L 10G -n root myvg lvcreate -L 2G -n swap myvg lvcreate -L 20G -n home myvg
Also since you have specified raid0 for /dev/md1 you could use striping under LVM instead of RAID:
pvcreate /dev/sdb2 /dev/sdc2 vgcreate myvg /dev/sdb2 /dev/sdc2 lvcreate -L 10G -n root -i 2 -I 32 myvg lvcreate -L 2G -n swap -i 2 -I 32 myvg lvcreate -L 20G -n home -i 2 -I 32 myvg
That way you have some flexibility in your use of sdb2 and sdc2, e.g. you can move your LVs off sdc2 if you want to replace or extend it later.
Nick.
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