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    SubjectRe: Linux Cluster using shared scsi
    At 3:57 PM -0400 2001-05-03, Eric Z. Ayers wrote:
    >However distateful it sounds, there is precedent for the
    >behavior that Doug is proposing in commercial clustering
    >implementations. My recollection is that both Compaq TruCluster and
    >HP Service Guard have logic that will panic the kernel when a disk is
    >"stolen" from under a running service and there is a "network
    >partition" in the cluster.
    >A network partition occurs when multiple machines in the cluster are
    >runnig, but the HA software agents on two nodes can't communicate via
    >the network to arbitrate which node should be the owner of the disk.

    There are also the more extreme STONITH and STOMITH [shoot the other
    node/machine in the head] required by some shared filesystems (eg
    /Jonathan Lundell.
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