Safe lvm reduce

[Luciano Rocha]

On Tue, Oct 16, 2007 at 07:22:27PM +0200, Demeter Tibor wrote:
> > The value of fs_blocks is usually 4096, but depends on the filesystem.
> > You can find the correct value with dumpe2fs device | grep size:
> > ...
> > Block size:               4096
> > ...
> >   
>  If i using resize2fs newsize_in_fs_GB or MBinstead of blocksize then is 
>  problem?
>  I don't understand what is the different.

You can, with the suffix G and M, respectively, but only on recent
resize2fs versions.

I.e., resize2fs /dev/device 8G is the same as
  resize2fs /dev/device 8192M is the same as
  resize2fs /dev/device 2097152 (assuming 4096 blocks).

-- 
lfr
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