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Re: [Linux-cluster] hi,question about gfs2



Is this solution supported by RedHat?

If I am correct, it isn't:
https://access.redhat.com/kb/docs/DOC-17651

With HA-LVM you will loose the live-migration...

And if I am correct, as the redhat cluster suite's resource script do not activate the vgs (or lvs)  exclusively (that can be an option when you are using clustered LVM), nothing would prevent the second node to start the vm that is already running on the master node (which would probably kill your filesystems in your vm) in a split brain situation (except a "reliable" fencing).

If I am correct, the only supported method is CLVMD+GFS(2) if you want live migration for a VM. Is this true?

Regards,
Balazs


Jeff Sturm schrieb:
> GFS2 isn't the only way to get live Xen migration.  If it's simpler, you 
> can implement CLVM on shared storage, and use logical volumes to contain 
> disk images.  Your cluster infrastructure will ensure consistency of 
> volume group metadata and still provide for domain failover.
> 
>  
> 
> -Jeff
> 
>  
> 
> From: linux-cluster-bounces redhat com [mailto:
> linux-cluster-bounces redhat com] On Behalf Of yue
> Sent: Tuesday, February 22, 2011 8:59 PM
> To: Andrew Beekhof
> Cc: cluster-devel; linux clustering
> Subject: Re: [Linux-cluster] hi,question about gfs2
> 
>  
> 
> 1.hi, i do not know fc12 unsupported in less than 2 months
> 
> now my environment is fc12
> 
> 2.if there are rpm  ,rpm is good.
> 3.i want gfs2 to host xen image-disk.   100G--200G image file.
> and need xen live migration  amoung gluster.
> i do not know gfs2's performance.
> thanks
> ----------------
> At 2011-02-22 20:39:33,"Andrew Beekhof" <andrew beekhof net> wrote:
>  
> >2011/2/22 yue <ooolinux 163 com>:
> >> 1.if i can deploy gfs2 on fedora12.
> > 
> >Why would you do that?  Isn't F-12 unsupported in less than 2 months?
> > 
> >> if it is ok to build from source code
> >> ?
> >> 2.the max node  gfs2 can manger?  i use san, if i have 100 machines,
> if gfs2
> >> can work over those nodes?
> >> 
> >> thanks
> >> 
> >> 
> >> --
> >> Linux-cluster mailing list
> >> Linux-cluster redhat com
> >> https://www.redhat.com/mailman/listinfo/linux-cluster
> >> 
> 
>  
> 



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