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[linux-lvm] metadata problems while testing lvm2 git with dm_thin_pool



Hello list,

lvm autogrow grows more than allowed virtual size.

Kernel: 3.5-rc7
lvm/dmeventd: up2date git version 186a2772

I created my thin disk like this:
lvcreate --poolmetadatasize 5G -L 10G -T thinvol/pool1 -V 100G --name disk1

After some autoresizing lvs looks like this:
# lvs
  LV    VG      Attr     LSize   Pool  Origin Data%  Move Log Copy% Convert
  disk1 thinvol Vwi-a-tz 100,00g pool1         22,95
  pool1 thinvol twi-a-tz  33,77g               67,97

When i copy constantly data to my device - i end up here:
# lvs
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert disk1 thinvol Vwi-aotz 100,00g pool1 99,96
  pool1 thinvol twi-a-tz 123,86g               80,71

So the pool is bigger than disk1 and the 23,86GB will never get used as the disk is FULL.

Is this expected?

Greets
Stefan


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