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Re: [Linux-cluster] Fencing Problems



Andrew Forgue (forgue oakland edu) wrote:

> Would this be possible if GFS implemented an on-disk quota system?

(Quorum?)

In either case (quorum *or* quota), fencing is still required, as there's no
assurance that a rogue node can't flush buffers.

Fencing *forcefully* prevents nodes from flushing any outstanding buffers to
disk after we've declared them out of the cluster, regardless of the
membership/quorum model used.

-- Lon


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