[linux-lvm] Linux LVM online shrinking :(

[Zdenek Kabelac]

Dne 5.8.2013 10:53, Zdenek Kabelac napsal(a):
> Dne 1.8.2013 11:00, DILIP KURUMANGHAT napsal(a):
>> Hi Team,
>>
>> You might already have come across this stuff many a times.
>>
>> I am sending this query as to why LVM is not supporting online shrink.
>> How is that AIX can do the shrink but not in our best Linux.
>>
>> Is there a big difference i the underlying architecture which prevents us from
>> an online shrink?
>>
>
> You are asking this question on a wrong mailing list.
>
> LVM2 of course does fully support online device shrink.
>
> The other side of story is - there is no filesystem I'd know about which
> would be supporting online shrinking.  The fact is - it's pretty hard

Except for btrfs - which on the other hand doesn't need  lvm2.
So if you need something shrinkable online - try to go with btrfs.

Zdenek