What advantages, if any, would lvm have over this set up?
How about flexible filesystem resizing? If you did it the way I
suggested: 512MB /boot, 512MB /tmp, you have like 960GB of space to
carve anyway you like. You also get lvm snapshots which you won't get
with raid seeing that this is supposed to be a backup server too.
Yea, I think for these reasons I will use lvm. I have set up a system
as follows:
/boot raid 1 200mb 4 drives no spares (I guess this makes 4 copies of
the data?)
You have four disks which will be paired into two pairs. If one pair
goes, everything goes. Might as well use one pair for /boot and the
other for /tmp.
2 250mb raid1 arrays over the 4 drives (2 drives each ) for swap
You can use a logical volume for swap. This is really not necessary.
rest of space in 2 raid 1 arrays
lvm on top of the 2 raid1 arrays
/ 10gb on lvm
/data 50gb on lvm
/backup 250gb on lvm
rest of space left free to allow for resizing and adding of partitions
with lvm
and snap shots.
I will pull out a drive tommorow and see how resilient this is. Does
this sound like a good solution?
Actually, installing Open Solaris (nexenta distro -> www.gnusolaris.org)
and using zfs would be much better and less of an administrative
headache :D.
/me runs for cover.
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