[linux-lvm] LVM generates wrong low_water_mark value in thin-pool's table

Zdenek Kabelac zkabelac at redhat.com
Mon Feb 1 14:19:22 UTC 2016

Dne 1.2.2016 v 10:17 M.H. Tsai napsal(a):
> Hi,
> I found that the <low_water_mark> parameter of thin-pool's table might be
> wrong. In kernel, the this parameter is the number of free blocks. However,
> LVM commit 99237f0908d87592815f4bdf3c239e8a108e835c sets this value as the
> number of USED blocks, according
> to activation_thin_pool_autoextend_threshold_CFG. Is that a bug?

Ok - looks like my fault when translating lvm2 threshold usage to thin-pool 
target threshold usage.

Thanks for noticing


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