> -----Original Message----- > From: linux-cluster-bounces@xxxxxxxxxx > [mailto:linux-cluster-bounces@xxxxxxxxxx] On Behalf Of Lon Hohberger > Sent: Monday, January 08, 2007 10:50 AM > To: linux clustering > Subject: Re: Remove the clusterness from GFS > > On Mon, 2007-01-08 at 10:39 -0800, Lin Shen (lshen) wrote: > > How easy is it to > > remove some or all of the clusterness from GFS such as > fencing, cman > > and ccsd stuff? I understand that things like dlm must stay > for GFS to work. > > I would think it is very difficult. > > You can use GFS on *one* node without a cluster. > > In order to use a clustered file system, you need a cluster. > The cluster acts as the control mechanism for accessing the > file system. > Without it, each computer accessing GFS will have no > knowledge of when it is safe to write to or read from the > file system. This will lead to file system corruption very quickly. I thought that's the duty of DLM. > > If you absolutely can not have a bit of "cluster software > running", you'll probably need to use a client/server > approach like NFS instead of a cluster file system like GFS. How about Luster? It's a cluster file system, but seems to me it doesn't require much extra cluster software. Thanks Lin > > -- Lon > -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
