Messages in this thread |  | | Date | Thu, 3 May 2001 15:32:29 -0700 | From | Jonathan Lundell <> | Subject | Re: Linux Cluster using shared scsi |
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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/
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