[Linux-cluster] Using GFS2 as a local file system
Steven Whitehouse
swhiteho at redhat.com
Fri Mar 9 08:42:58 UTC 2007
Hi,
On Fri, 2007-03-09 at 00:35 -0500, Wendy Cheng wrote:
> Lin Shen (lshen) wrote:
>
> >We have a situation that we may need to use GFS2 to share storage in our
> >system in the future and to ease the pain of transition at that time
> >(convert files into GFS), we're thinking of using GFS2 just as a local
> >file system for now.
> >
> >How is GFS2 compared to other popular local file systems such as ext3
> >and Reiser in terms of performance, overhead etc? Are we hitting the
> >wrong direction totally by using GFS2 just as a local file system?
> >
> >BTW, we've run bonnie on local GFS2, and the performance is decent
> >compared to ext3 (90%).
> >
> >
> >
> >
> I personally think using GFS (both GFS1 and GFS2) as a local filesystem
> has many advantages. The only issue (I think ..haven't checked mkfs code
> in ages) is lock protocol is hard coded into on-disk super block during
> mkfs time - but fixing this should be trivial. If we allow
> interchangeable between lock_nolock and lock_dlm, then the filesystem
> should be able to migrate from single node into cluster environment. It
> is very nice (IMHO).
>
You can override the settings in the sb on the mount command line,
Steve.
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