File system replication between servers

Dan Nelson dnelson at
Sat Sep 4 19:48:44 PDT 2004

In the last episode (Sep 04), Marc G. Fournier said:
> On Sat, 4 Sep 2004, Dan Nelson wrote:
> > How about a shared SCSI drive, filesystems only mounted on the
> > master. When the master fails, the slave fscks the filesystems,
> > mounts them, and becomes the master.  Tried and true.  You could
> > even use background fsck and get immediate failover.
> need to do this above the hardware layer ... am looking at 50% of
> services running on each of 2 servers, with failover to 100% running
> on one of the servers if the other goes down ...

Since FreeBSD doesn't lock SCSI devices afaik, you should be able to
mount separate filesystems on different machines with no problems.

	Dan Nelson
	dnelson at

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