Sorry, still not used to that my can't handle mailinglists accordingly
Am 13.03.2007 um 20:33 schrieb David Baron:
LVM comes to mind. Unfortunately, there is no clean way to switch
over to it.
Unionfs seems like a very eligant way of simply overlaying
directories on
multiple partitions. However, unionfs is not packaged with the
kernels and it
seems after each kernel upgrade, it will not compile until it is
itself
upgraded. So this is not a practical alternative using Sid.
1) you should have used lvm in the first place :)
2) the "clean" way to switch to lvm (possibly on top of raid) I use is:
get just 1 free partition (enough to have space to move other data
there so that you can piece py to the lvm (or raid))
(doing lvm without raid now)
pvcreate /dev/<free partition> (/dev/sda5 from now on)
vgcreate vg00 /dev/sda5
lvcreate -n local.localhost.root -L <enough space here for e.g. root/
whatever>
mkfs.xfs /dev/vg00/local.localhost.root ## just what I prefer
mount /dev/vg00/local.localhost.data /mnt ## i prefer this notation
because reverse hostname + mountpoint displays nicely
## if you wan't to transfer root (/boot can't be on lvm so you later
have to move it somewhere else if it's on the same FS)
tar -lc /olddata|tar -xf -C /mnt - # -l is for stay on one fs so you
don't recursively do that
## verify the data got copied
umount olddata
pvcreate /dev/<mountpoint of olddata> ## /dev/hdc3 from now on
lvextend vg00 /dev/hdc3
(start over again where it says lvcreate - or use lvextend/whatever
lv tools you need)
If you moved / to a LV append the root=/dev/mapper/vg00-
local.localhost.root to your bootloader config (can't speak for lilo
but grub works fine and is for my needs failsafe enough with lvm on
top of raid)
PLEASE NOTE: this is just from memory and may very well have some
errors but it should give you a basic idea
hth
/martin
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