[linux-lvm] reduce size of snapshot - what is about previous reduce of file system ? - SOLVED

Lentes, Bernd bernd.lentes at helmholtz-muenchen.de
Fri Aug 29 15:16:09 UTC 2014

> Hi,
> i have a lv which has a snapshot. Size of the snapshot was too big while
> creating. So I'd like now to reduce the size of the snapshot for being able to
> create a second one. man lvreduce says: Shrinking snapshot logical volumes
> (...) is supported as well. Ok, that's fine. But normally, before shrinking a lv,
> the file system has to be reduced. But does the snapshot have a fs ? I never
> ran a mkfs.xxxx on it. Can I just reduce the size without doing anything
> before ? Or do I have to provide a -r to lvreduce ?
> Thanks for any information.
> Bernd
> --


I managed to reduce the snapshot without doing anything before with the filesystem.


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