Craig White wrote:
On Wed, 2008-10-22 at 11:42 -0400, brian wrote:
...
>>
I'd like to reduce /var first to free up some space, then give that
to /tmp using:
# umount /var # e2fsck -f /dev/VolGroup00/LogVol04 # resize2fs
/dev/VolGroup00/LogVol04 13G # lvreduce -L-6G
/dev/VolGroup00/LogVol04 # mount /var # umount /tmp # e2fsck -f
/dev/VolGroup00/LogVol03 # lvextend -L+6G /dev/VolGroup00/LogVol03
# resize2fs /dev/VolGroup00/LogVol03 # mount /tmp
Does that ring any alarm bells?
[1] http://www.tldp.org/HOWTO/LVM-HOWTO/
---- I don't know about alarm bells but I would think that you would
have to 'lvmove' LogVol04 to make contiguous space for LogVol03
frequent usage of things like lvdisplay can give you some good clues
on where things are
I have no lvmove here. I have lvm2-2.02.24-1.fc7 installed. Did you mean
pvmove? I'm looking at the man page now but the lightbulb remains dark.
Can you elaborate on that?
I've also been reading this guide:
http://www.ibm.com/developerworks/library/l-lvm2/?ca=dgr-lnxw02LinuxLVM2&S_TACT=105AGX59&S_CMP=GR
Here's the mapping:
# lvdisplay -m /dev/VolGroup00/LogVol03
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol03
VG Name VolGroup00
LV UUID yTInlj-Gr3z-2kkZ-YrmT-to5g-gXrj-pxNPBV
LV Write Access read/write
LV Status available
# open 1
LV Size 992.00 MB
Current LE 31
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:4
--- Segments ---
Logical extent 0 to 30:
Type linear
Physical volume /dev/sda2
Physical extents 2187 to 2217
# lvdisplay -m /dev/VolGroup00/LogVol04
--- Logical volume ---
LV Name /dev/VolGroup00/LogVol04
VG Name VolGroup00
LV UUID NWt5s8-27ZK-nGU0-DM2u-zkxm-VoJe-v0XGHD
LV Write Access read/write
LV Status available
# open 1
LV Size 19.53 GB
Current LE 625
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:3
--- Segments ---
Logical extent 0 to 624:
Type linear
Physical volume /dev/sda2
Physical extents 1562 to 2186
So, from what I can make out, it seems that the PEs of LogVol04 come
*before LogVol03, which seems a bit strange.
(Incidentally, it's a bit disconcerting that google shows, "Restore
after lvmove crash" for the first several entries for "lvmove".)
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