[Linux-cluster] iSCSI fence agent?
Matthew B. Brookover
mbrookov at mines.edu
Tue Oct 12 13:45:24 UTC 2004
This is a bit of a hack, but it works with unh-iscsi and iptables. I
took one of the other fencing tools and modified it up to do an 'ssh
root at iscsitarget iptables -A INPUT -s a.b.c.d -p all -j REJECT' to
disable an iscsi initiator. The enable command deletes the rule.
You will need to set up ssh to run without passwords.
Matt
On Mon, 2004-10-11 at 21:33, David Teigland wrote:
> On Tue, Oct 12, 2004 at 11:08:19AM +0800, Chung Hsien Hu wrote:
> > Hi,
> > I am trying to setup a storage environment with GFS and iSCSI.
> > By using the open community projects of iSCSI initiator and target
> > sides, I could
> > access the remote disk via iSCSI without too much problem.
> > But which fence agent should I indicate for GFS in the /etc/cluster.conf?
>
> It might be nice for someone to write a fencing agent that would talk to
> the iscsi target software. Until then you can use network power switches
> or manual fencing to experiment.
>
> > I got these error on my log.
> >
> > lock_dlm: init_fence error -1
> > GFS: can't mount proto = lock_dlm, table = innocluster:iscsi45, hostdata =
>
> This is because the fence daemon (fenced) is either not running or has not
> started up correctly (maybe it can't connect to ccsd). You can diagnose
> fenced problems by using the debug flag: "fenced -D".
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