Setup Cluster using Solaris Container data service

We have a two-node cluster that we would like to use to create either a zone cluster or use the Solaris Container data service that would create a scalable (or multiple master) data service of two zones, one on each node. We have an app running in the zone, CiscoWorks, that has a local database of jobs that are scheduled to run to configure Cisco switches. I was curious how we setup the storage. If each zone is running on local disks, how do the zones stay in sync and the database updated with job information? Would I setup a device group of the disks where the zones will reside on each node? Can I use SAN as the local disk so the zones can be replicated to a Disaster Recovery location?
Thanks for any help,
Chuck

Chuck,
Sadly, I think I'm going to make your implementation decisions a lot more complicated because there are three ways you can use zones within Solaris Cluster.
1. Create a failover zone using the HA Solaris Container Data Service. Here the zone root moves between the cluster nodes as the zone fails over.
2. Create static zones between with resource groups can migrate. Each zone root is local the the physical node. However, the configuration of the zones can be subtly different.
3. Create a virtual cluster using static zones within which resource groups can migrate. Each zone root is local the the physical node. However, the configuration of the zones are forced to be the same.
Note also, that a ZFS zpool can only be mounted on one node or zone at anyone time, although it can be mounted read/write in one zone and read-only in other zones on the same node (IIRC).
I would be inclined to put your database into an HA configuration, i.e. one that runs on one node at any one time. I would then constrain that in a zone cluster that is bound to a project with restricted resources, i.e. CPUs and memory. Any other tiers of the application, could then be placed either in the global zone (main cluster) or placed in another zone cluster and equally constrained.
I don't know if that's any help. I can recommend a good book on the subject <shameless plug "Oracle Solaris Cluster Essentials"/>. The example chapters should be of help.
Regards,
Tim
---

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