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Re: [Linux-cluster] add journal to GFS



I realize it's not normally a big deal, but if you don't want to have
too many luns and pvs floating around you should be able to add another
LUN of say 180GB, followed by a pvcreate, vgextend, pvmove, vgreduce,
lvextend and gfs_jadd. You'll have 30GB of unallocated disk space
available for the journal as well as 150GB for the gfs filesystem
previously created on the prior (now removed) LUN.


On Fri, 2007-08-10 at 13:39 -0400, FM wrote:
> TX I will try that ... with another LUN :)
> 
> 
> Mathieu Avila wrote:
> > Le Thu, 09 Aug 2007 18:03:58 -0400,
> > FM <dist-list LEXUM UMontreal CA> a écrit :
> > 
> >> Hello,
> >> I have to add more journals to add a new nodes.
> >> SO What I did :
> >> create a new LUN
> >> add it to lvm usign :
> >> lvcreate
> >> vgextend
> >> lvextend
> >>
> >> after that I use gfs_grow
> >> now the GFS is 150 GB bigger  BUT
> >> gfs_jadd say that did not have space to add journals
> >>
> >>
> > 
> > You have used the new space for normal data or meta-data, so that it
> > isn't available anymore. "gfs_jadd" doesn't use the free space of a
> > file system, it needs to be fed up with new space, just like gfs_grow
> > works.
> > As your file system cannot be shrinked, the only solution i see is to
> > add space one more time (much less, 150G is very much unless you want
> > to 100+ nodes), and run gfs_jadd again.
> > 
> > Cluster team, please correct me if i'm wrong.
> > 
> > --
> > Mathieu
> > 
> > 
> > 
> > --
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> > Linux-cluster redhat com
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> 
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