> Hello, > > first of all I want to say hello all recipients of the pacemaker > mailinglist! > > I manage a two node active-passive cluster with an ms-drbd-resource and a > depending resource. Each node is located in a separate datacenter, > connected by a single dwdm-connection, a second network connection is not > available. In case of a network interuption between the datacenters a > split brain situation is created and a manual intervention of the admin is > needed. > > What are your recommendations for me to avoid the split brain situation? > > > > Thanks in advance! > > Best regards, > > Stefan
Set up fencing using an independent communication channel, other than your primary dwdm connection. Most simple solution: meatware plugin, but this also requires administrator intervention. Other solutions, like dial-in services are also possible. Greetings, -- Dr. Michael Schwartzkopff Guardinistr. 63 81375 München Tel: (0163) 172 50 98 Fax: (089) 620 304 13
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