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Re: [Linux-cluster] Adding journals to GFS formatte partition without involving the mount point

On Wed, 2008-01-23 at 21:30 +0000, Christopher Probst wrote:
> Hello all,
> Is it possible to add a journal to a GFS formatted, ( possibly
> mounted ), possibly being used by a cluster partition without getting
> the mount point involved?
> Thanks in advance,
> Christopher 

Hi Christopher,

It is only possible to add journals to GFS through the mount point
(using gfs_grow) while it is mounted.  And only if there is free
space on the device to extend it.  That usually means using lvm2
(i.e. clvmd) and doing lvresize before gfs_grow, unless you somehow
otherwise made the partition bigger than the gfs file system.

For what it's worth: journals may be added to gfs2 file systems
without extending the device (but again, only while mounted).
(Note that gfs2 is not ready for production use yet.)


Bob Peterson
Red Hat GFS

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