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Move all LVMs from one volume group to another
Write to unallocated space on LVM2Extending storage space with SAN/iSCSILVM volume group shared between KVM/libvirt host and guests: is this a bad idea?Any way to recover ext4 filesystems from a deleted LVM logical volume?LVM2: How to copy snapshots?Efficiently get file deltas for backupsExtending LVM Volume Groups with Physical Extents & pvresizelvconvert number of mirrorsLinux LVM: move free space from a volume group to anotherDoes using LVM cause you to lose filesystem space twice? Lot's of missing space after lvextend
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I have two volume groups on my server, from which I carve out 20-40G LVMs that I use for xen images: xen1_images and xen3_images.
I need to remove the xen3_images volume group, and I'd like to copy all the lvms from xen3_images to xen1_images (there is sufficient disk space).
I know I can do it one at a time by creating a logical volume on xen1_images, then
dd if=/dev/xen3_images/<lvname> of=/dev/xen1_images/<lvname>
but was wondering if there was another way of doing this in one step rather than piecemeal. There are about 20 lvms to move. Something akin to the way rsync works between directories would be perfect, but rsync does not work on lvms
linux lvm
edited May 2 at 21:23
mr.zog
48611024
asked Apr 27 '11 at 18:26
John PJohn P
87962648
add a comment |
I have two volume groups on my server, from which I carve out 20-40G LVMs that I use for xen images: xen1_images and xen3_images.
I need to remove the xen3_images volume group, and I'd like to copy all the lvms from xen3_images to xen1_images (there is sufficient disk space).
I know I can do it one at a time by creating a logical volume on xen1_images, then
dd if=/dev/xen3_images/<lvname> of=/dev/xen1_images/<lvname>
but was wondering if there was another way of doing this in one step rather than piecemeal. There are about 20 lvms to move. Something akin to the way rsync works between directories would be perfect, but rsync does not work on lvms
linux lvm
edited May 2 at 21:23
mr.zog
48611024
asked Apr 27 '11 at 18:26
John PJohn P
87962648
add a comment |
I have two volume groups on my server, from which I carve out 20-40G LVMs that I use for xen images: xen1_images and xen3_images.
I need to remove the xen3_images volume group, and I'd like to copy all the lvms from xen3_images to xen1_images (there is sufficient disk space).
I know I can do it one at a time by creating a logical volume on xen1_images, then
dd if=/dev/xen3_images/<lvname> of=/dev/xen1_images/<lvname>
but was wondering if there was another way of doing this in one step rather than piecemeal. There are about 20 lvms to move. Something akin to the way rsync works between directories would be perfect, but rsync does not work on lvms
linux lvm
edited May 2 at 21:23
mr.zog
48611024
asked Apr 27 '11 at 18:26
John PJohn P
87962648
I have two volume groups on my server, from which I carve out 20-40G LVMs that I use for xen images: xen1_images and xen3_images.
I need to remove the xen3_images volume group, and I'd like to copy all the lvms from xen3_images to xen1_images (there is sufficient disk space).
I know I can do it one at a time by creating a logical volume on xen1_images, then
dd if=/dev/xen3_images/<lvname> of=/dev/xen1_images/<lvname>
but was wondering if there was another way of doing this in one step rather than piecemeal. There are about 20 lvms to move. Something akin to the way rsync works between directories would be perfect, but rsync does not work on lvms
linux lvm
linux lvm
edited May 2 at 21:23
mr.zog
48611024
asked Apr 27 '11 at 18:26
John PJohn P
87962648
edited May 2 at 21:23
mr.zog
48611024
asked Apr 27 '11 at 18:26
John PJohn P
87962648
edited May 2 at 21:23
mr.zog
48611024
edited May 2 at 21:23
mr.zog
48611024
edited May 2 at 21:23
mr.zog
48611024
48611024
asked Apr 27 '11 at 18:26
John PJohn P
87962648
asked Apr 27 '11 at 18:26
John PJohn P
87962648
asked Apr 27 '11 at 18:26
John PJohn P
87962648
87962648
add a comment |
add a comment |
1 Answer
1
active
oldest
votes
- Merge the two volume groups:
vgmerge xen1_images xen3_images - Move all logical volumes off the physical volumes you want to reclaim:
pvmove /dev/sdz42; pvmove /dev/sdz43; … - Remove the PVs to reclaim from the VG:
vgreduce xen1_images /dev/sdz42 /dev/sdz43 … - (optional) Destroy the reclaimed PVs:
pvremove /dev/sdz42 /dev/sdz43 …
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
add a comment |
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1 Answer
1
active
oldest
votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
- Merge the two volume groups:
vgmerge xen1_images xen3_images - Move all logical volumes off the physical volumes you want to reclaim:
pvmove /dev/sdz42; pvmove /dev/sdz43; … - Remove the PVs to reclaim from the VG:
vgreduce xen1_images /dev/sdz42 /dev/sdz43 … - (optional) Destroy the reclaimed PVs:
pvremove /dev/sdz42 /dev/sdz43 …
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
add a comment |
- Merge the two volume groups:
vgmerge xen1_images xen3_images - Move all logical volumes off the physical volumes you want to reclaim:
pvmove /dev/sdz42; pvmove /dev/sdz43; … - Remove the PVs to reclaim from the VG:
vgreduce xen1_images /dev/sdz42 /dev/sdz43 … - (optional) Destroy the reclaimed PVs:
pvremove /dev/sdz42 /dev/sdz43 …
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
add a comment |
- Merge the two volume groups:
vgmerge xen1_images xen3_images - Move all logical volumes off the physical volumes you want to reclaim:
pvmove /dev/sdz42; pvmove /dev/sdz43; … - Remove the PVs to reclaim from the VG:
vgreduce xen1_images /dev/sdz42 /dev/sdz43 … - (optional) Destroy the reclaimed PVs:
pvremove /dev/sdz42 /dev/sdz43 …
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
- Merge the two volume groups:
vgmerge xen1_images xen3_images - Move all logical volumes off the physical volumes you want to reclaim:
pvmove /dev/sdz42; pvmove /dev/sdz43; … - Remove the PVs to reclaim from the VG:
vgreduce xen1_images /dev/sdz42 /dev/sdz43 … - (optional) Destroy the reclaimed PVs:
pvremove /dev/sdz42 /dev/sdz43 …
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
answered Apr 27 '11 at 18:53
GillesGilles
8,25612544
8,25612544
add a comment |
add a comment |
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