On 08/21/2012 01:11 PM, Jon Heese wrote: > In testing I've found that as long as Apache binds to 0.0.0.0, any IP > takeovers will work smoothly without Apache restarts.
Useful to know, thanks. > 1. We monitor the Apache services on these two hosts with a service monitoring app that can't be told "only one of these two must be running". I monitor apache on cluster ip and separately monitor heartbeat on the nodes (via net-snmp's "proc" extension). > 3. For some reason, it takes a good 5-10 seconds for Apache to start after a failover occurs. The IPAddr2 and MailTo resources start within 2 seconds, but Apache takes longer. I'd repost with "apache takes 5-10s to failover" subject line. I get <5 sec failovers with drbd and mysql and tomcat in addition to apache, so I think you do have an issue there. (But I run my active/passive clusters on heartbeat-R1, so can't help with your setup.) -- Dimitri Maziuk Programmer/sysadmin BioMagResBank, UW-Madison -- http://www.bmrb.wisc.edu
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