Fibre Channel disks to two Systems?

[Dan Nelson]

In the last episode (Sep 09), Danny Howard said:
> As I understand it, I can have an FC loop with one or more drives,
> connected to two servers, and either server can talk to one or the
> other drives exclusively.  My QUESTION is: how is the arbitration
> done in FreeBSD?  You run camcontrol on either server and activate /
> deactivate drives in the loop?

Easiest way is with something like ports/sysutils/heartbeat.  No device
locking is needed.  Have the start script do a quick fsck, mount the
device, and start your server processes (or if pgsql can use raw disk
devices like Oracle, skip the fsck and mount steps).

-- 
	Dan Nelson
	dnelson at allantgroup.com