Is there any way to set ZFS on a system so that it will not
automatically import all of the ZFS pools it had active when it was last
running?
The problem with automatic importation is preventing disasters in a
failover situation. Assume that you have a SAN environment with the same
disks visible to system A and system B. If system A loses power (or
otherwise goes down) with ZFS pools live, you 'zpool import -f' them on
system B to get them available again, and system A comes back up, system
A will happily import the pools too, despite them being in use on system
B.
(And then there are explosions. Bad explosions. You will probably lose
pools hard, per my previous email.)
- cks
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