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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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