Single node clusters in Continental cluster.

[Johnny Vergeer]

Looking at http://docs.hp.com/en/B7660-90016/index.html Designing Disaster Tolerant High Availability Clusters.

Is it possible to configure ServiceGuard & Continental cluster with only a single node clusters at each of the Data Center A & Data Centre B locations? All of the examples in the text seem to indicate a minimum of a two node cluster at each location.

Thanx

[Steven E. Protter · Accepted solution]

Single node clusters are possible under SG. I see nothing in the documentation that says no.

Single node clusters are not going to provide you true high availability though.

The examples are what should be done for reliability, not the only way to use the product.

SEP

[melvyn burnard]

Yes it is possible to configure two single node clusters and then put them into a Continental Clusters configuration, but would you REALLY want to do this???
The basic idea here is that the failover from on cluster to the other is a LAST RESORT, there shoul dbe local cluster failover first.

If you are looking at spending the money on licensing CC, plus the data replcation, then why not have a second noe at each site?