Trying to mirror logical volume.
- From: Kamal Shaker <kys-fedora@xxxxxxxxx>
- Date: Sun, 08 Jul 2007 16:46:30 +0100
Hi, I've got a new spare disk and am trying to migrate to LVM and mirror
my the partitions.
If I try to mirror one of the volumes, I get this:
# lvconvert -d -d -d -m1 rootvg/squid
Insufficient suitable allocatable extents for logical volume : 4864
more required
# lvconvert -d -d -d -m0 rootvg/squid
Logical volume squid is already not mirrored.
If I use system-config-lvm and select the mirror checkbox, I get:
"There must be at free space on at least three Physical Volumes to
enable mirroring".
Why does it insist on this? It seems a bit crazy for simple mirroring of
disks.
More info below, in case it's pertinent (on F7 in that matters):
# pvscan
PV /dev/sdc1 VG rootvg lvm2 [279.46 GB / 105.46 GB free]
PV /dev/sdb1 VG rootvg lvm2 [279.46 GB / 279.46 GB free]
# lvscan
ACTIVE '/dev/rootvg/virtual' [155.00 GB] inherit
ACTIVE '/dev/rootvg/squid' [19.00 GB] inherit
# lvdisplay
--- Logical volume ---
LV Name /dev/rootvg/virtual
VG Name rootvg
LV UUID 5QV5Yi-pSpI-TPVZ-PUqs-vlYo-Sskp-gDwziD
LV Write Access read/write
LV Status available
# open 1
LV Size 155.00 GB
Current LE 39680
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
--- Logical volume ---
LV Name /dev/rootvg/squid
VG Name rootvg
LV UUID zSeMxg-OM4g-zRyq-5mE9-urVy-DIoi-iDTYI9
LV Write Access read/write
LV Status available
# open 1
LV Size 19.00 GB
Current LE 4864
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:3
--
Kamal Shaker, email: kys@xxxxxxxxx WWW: http://www.ilzey.net/~kys/
Science has promised us truth. It has never promised us
either peace or happiness. - Gustave Le Bon.
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