On Wed, Aug 26, 2009 at 1:43 AM, Aldo Foot <luni...@gmail.com> wrote:
> On Tue, Aug 25, 2009 at 10:17 AM, solarflow99<solarflo...@gmail.com> > wrote: > > I noticed resize2fs doesn't seem to work on my encrypted LVM, even the > GUI > > tool cant do anything with the underlying filesystem. Does anyone know > what > > can be done about this? I want to shrink a volume. > > > > # resize2fs /dev/VolGroup00/LVspare 39G > > resize2fs 1.41.4 (27-Jan-2009) > > resize2fs: Device or resource busy while trying to open > > /dev/VolGroup00/LVspare > > Couldn't find valid filesystem superblock. > > > > I don't know whether encryption has anything do to with the size. > But start by reading the lvresize man page. > > "man lvresize" > > DESCRIPTION > lvresize allows you to resize a logical volume. Be careful > when reducing a logical volume’s size, > because data in the reduced part is lost!!! You should > therefore ensure that any filesystem on the vol- > ume is shrunk first so that the extents that are to be removed > are not in use. Resizing snapshot logical > volumes (see lvcreate(8) for information about creating > snapshots) is supported as well. But to change > the number of copies in a mirrored logical volume use lvconvert(8). thats why i was using resize2fs. I can't even get the fs down in the first place, before I can lvreduce or lvresize. The GUI tool doesn't warn you either, I have a bugzilla on that one too. https://bugzilla.redhat.com/show_bug.cgi?id=517759
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