Re: Fencing Methods

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On Mon, Mar 20, 2006 at 01:16:37PM -0500, Hendershot, Zach wrote:
> Hello,
>     I was wondering about various fencing methods. We don't have any
> "supported" hardware available to do proper fencing via the Red Hat
> fencing agents. Other clustered filesystems like the Veritas CFS and
> Oracle's ocfs2 solve the fencing problem by simply panic'ing the machine
> to keep the IO from hitting the disk. 

This assumes the machine knows it should fence itself, which isn't always
the case.  If the machine is hung somewhere and comes back to life after
it's been recovered, it could write and corrupt the fs, a panic doesn't
solve this.

Dave

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