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Re: [Linux-cluster] [Fwd: any special requirement on scsi device?]



On Fri, Feb 04, 2005 at 02:15:00PM -0500, Ming Zhang wrote:
> On Fri, 2005-02-04 at 14:03, Benjamin Marzinski wrote:
> > On Mon, Jan 31, 2005 at 08:17:19PM -0500, Ming Zhang wrote:
> > > Hi folks
> > > 
> > > I asked this question today, somebody there guided me to here. Can
> > > anybody help me on this? Thanks.
> > > 
> > > ps, how to subscribe on this list? Thanks.
> > 
> > I believe you can get to a subscription page from
> > http://sources.redhat.com/cluster
> thx a lot. though it is very slow to connect. :P
> 
> 
> >  
> > > Pls cc to me, Thanks.
> > > 
> > > Ming
> > > 
> > > -----Forwarded Message-----
> > > > From: Ming Zhang <mingz ele uri edu>
> > > > To: opengfs-devel lists sourceforge net
> > > > Subject: any special requirement on scsi device?
> > > > Date: Mon, 31 Jan 2005 16:41:00 -0500
> > > > 
> > > > Hi, folks
> > > > 
> > > > I wonder if opengfs has any special requirements on scsi deivces. For
> > > > example, reserve/release scsi commands.
> > > > 
> > > > the reason i ask this is we are developing a open source iscsi target
> > > > and would like to support opengfs. since we build all scsi response, we
> > > > need to know what extra scsi commands or feature we need to support.
> > 
> > Persistent reservations would be really useful for fencing.
> u mean this is "useful". but is this "enough"?

We have a fencing agent based on SCSI 3 persistent reservation. So if you
implement persistent reservation, that should be enough for GFS fencing
purposes.
 
> because many end users on our list ask for this feature. so i want to
> know what we need to do in order to get it done. thanks.
> 
> ps, what is the minimum # of pc i need in order to install a gfs and
> test?

two machines.  I'm not sure that we have made the persistent reservation
fencing agent generally available, but if you would like to test it, we can
defintely do that.

-Ben

> ming
> 
> > 
> > -Ben
> > 
> > > > 
> > > > thanks.
> > > > 
> > > > 
> > > > ming
> > > 
> > > --
> > > Linux-cluster mailing list
> > > Linux-cluster redhat com
> > > http://www.redhat.com/mailman/listinfo/linux-cluster


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