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Hi all,
|>But if you do it that way, and you really have a netsplit, won't you get |>into a "quickdraw" situation where each of the newly formed clusters are |>trying to fence out the others? In the worst case, all the nodes get |>reset and nobody is happy. But maybe the worst case happens so |>infrequently that it is better than always losing the cluster whenever |>quorum is lost. | | yes, worst case everyone reboots. BUT! the data on disc is safe. There | is probbly a better way to go about this, but we've currently kept the | idea that an unexpected reboot is better than looking for backup tapes.
I think you would need a form of /atomic fencing/ )which is not really possible afaik) to resolve this problem. It's a race, and as long as you can't do it atomically you can always reach above worst case state.
- - Amir - -- Amir Guindehi, nospam.amir@xxxxxxxxxxx DataCore GmbH, Witikonerstrasse 289, 8053 Zurich, Switzerland
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