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
GFS).
http://linux-ha.org/stonith.html
http://sistina.com/gfs/howtos/gfs_howto/STOMITH__IO_Fencing.html
-- /Jonathan Lundell. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Mon May 07 2001 - 21:00:19 EST