I'm setting up a cluster with two nodes running Windows 2003 Enterprise. Have the cluster setup but some things dont look right. Or it could just be I have some misconceptions. In an active/active cluster shouldn't the data drive be visible to both servers? Right now we can only see the data drive on one server or the other(shut one down it shows up on the other). My understanding of active/active is that both servers are able to access the same drive when the cluster is running so that read and writes are quicker. Maybe we just have it configured wrong, but we haven't been able to figure out where. Any ideas?
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Active/Active Windows Clustering
- Thread starter jrrob
- Start date
A given resource will only be visible to the node that owns it. For a disk resource, the clusdisk driver will issue a SCSI reserve, ensuring that no other node can write to the disk while one node owns it.
On an A/A cluster, you would have 4 groups; the cluster group, a group for your DTC, and a group for each exchange virtual server of which you will have two.
Each exchange virtual server will reside in a group that contains an IP, Name, and disk resources. One virtual server would reside on each node, hence active/active.
On an A/A cluster, you would have 4 groups; the cluster group, a group for your DTC, and a group for each exchange virtual server of which you will have two.
Each exchange virtual server will reside in a group that contains an IP, Name, and disk resources. One virtual server would reside on each node, hence active/active.
- Thread starter
- #3
I'm not running exchange, this cluster is simply a file and print server. With that, Should I still be seeing a group for the DTC? Right now for groups, all I see the Cluster group and a disk group that containes the shared storage. When trying to access the shared disk though, I am only able to access it from one server.
The DTC is not required for file & Print.
In the cluster group you should see:
IP Address resource
Name Resource (Cluster management name)
Disk resource (for the quorum)
In the first File&Print Group:
IP Address
Name resource (name of 1st virtual server)
Disk resource
Share resources or print spooler or both
In the second File&Print group:
IP Address
Name Resource
Disk resource
Share and/or spooler resources
In an active/active configuration, one of the File&Print groups would be online on each node. In your configuration, it sounds like you're Active/Passive.
In the cluster group you should see:
IP Address resource
Name Resource (Cluster management name)
Disk resource (for the quorum)
In the first File&Print Group:
IP Address
Name resource (name of 1st virtual server)
Disk resource
Share resources or print spooler or both
In the second File&Print group:
IP Address
Name Resource
Disk resource
Share and/or spooler resources
In an active/active configuration, one of the File&Print groups would be online on each node. In your configuration, it sounds like you're Active/Passive.
- Thread starter
- #5
Thanks, This clears up a lot of things for me. We are set up active/passive right now, and things look much like you describe. After looking into active/passive vs. active/active a bit more, I think we will be fine runing in active/passive mode as this cluster is being setup more for fault torerance than performance.
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