I'm using LVM on a Kubuntu setup that I now want to add another disk
to. I've used software RAID before, but am new to LVM and am aware that
one false move can render the whole lot unusable. I therefore feel the
need for a bit of handholding! I've had a look at the docs and there
seems to be a whole slew of utilities concerning LVM, some seem to be
applicable to LVM1 and some LVM2 - which does little for my confidence
in getting it right first time. (Perhaps I should have gone down the
plain vanilla disk system route during the initial installation, but I
was seduced by the hype concerning LVM!)
I _think_ I've created a new physical volume, ready to add to my
filesystem, but am not certain what to do next. Output from pvscan is:
PV /dev/hda5 VG Ubuntu lvm2 [18.77 GB / 0 free]
PV /dev/hdb1 VG Ubuntu lvm2 [7.86 GB / 7.86 GB free]
Total: 2 [26.64 GB] / in use: 2 [26.64 GB] / in no VG: 0 [0 ]
and output from lvmdiskscan:
/dev/hda1 [ 243.14 MB]
/dev/hda5 [ 18.78 GB] LVM physical volume
/dev/hdb1 [ 7.87 GB] LVM physical volume
0 disks
1 partition
0 LVM physical volume whole disks
2 LVM physical volumes
Output from DF is:
/dev/mapper/Ubuntu-root
18715076 6466152 11298244 37% /
tmpfs 112264 0 112264 0% /dev/shm
tmpfs 112264 12588 99676 12%
/lib/modules/2.6.12-10-386/volatile
/dev/hda1 233335 19166 201721 9% /boot
I want to add the 7.87GB /dev/hdb1 to the 18.78GB Ubuntu /dev/hda5 and
would be grateful for any advice.
Jim Ford
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