I have a VG:
VG #PV #LV #SN Attr VSize VFree
rootvol_tmp 1 26 0 wz--n- 74.40g 32.83g
Which has an LV in it which has a bad disk block on it. Per previous
discussions here I have an LV into which I can remap PEs with bad blocks on them:
# lvdisplay --maps /dev/rootvol_tmp/badblocks
--- Logical volume ---
LV Name /dev/rootvol_tmp/badblocks
VG Name rootvol_tmp
LV UUID oRCTFY-XNxh-3FA5-8lUG-FsOG-GjaO-giAcIu
LV Write Access read/write
LV Status available
# open 0
LV Size 4.00 MiB
Current LE 1
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:2
--- Segments ---
Logical extent 0 to 0:
Type linear
Physical volume /dev/sda2
Physical extents 2805 to 2805
As you can see, it has a PE in it already. I am trying to map another
PE into it but getting an error:
# lvextend --alloc anywhere /dev/rootvol_tmp/badblocks -l +1 /dev/sda2:2812
Extending logical volume badblocks to 8.00 MiB
Insufficient free space: 1 extents needed, but only 0 available
Clearly there is something wrong with my syntax but I'm not quite sure
what it is. Any ideas?
Much thanks!
b.
P.S. Please, no lectures about replacing the disk. I understand the risks
of operating on a disk that is starting to show signs of wear. All of
the data on this disk is backed up twice daily and anything lost
between those backups will not be missed. It's just not feasible for me
to replace this disk at this time. Thanks.
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