On 06/05/2012 11:13 PM, Yount, William D wrote: > The issue I am having is that if I take the network cable out of the > primary service, thus simulating an unplanned outage, nothing > happens. The secondary server isn't promoted to primary, it doesn't > mount /dev/drbd0 to /Storage and the 10.89.99.30 IP address doesn't > fail over.
Without looking at the details of your setup 1. how would your primary server know that 10.89.99.30 is unreachable *from the outside* and 2. if your secondary server can't reach 10.89.99.30, how does it tell whether it's the primary or itself that got cut off? In my "R1" clusters I have a mon script that greps for "link detected: yes" in the output of ethtool. Obviously, if both go off (e.g. the switch loses power), that's gonna screw things up, but then I'll have bigger problems anyway. -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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