Dell EqualLogic PS6210XV EqualLogic Auto-Snapshot Manager/Microsoft Edition Ve - Page 39

Multiple Cluster Management — Two-Cluster Example

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Figure 6. Two-Cluster HIT Group Managed from a Remote Host In this figure, assume you use the Add Hosts option from the ASM/ME instance on the non-clustered host to add all six cluster nodes from the two clusters. ASM/ME automatically sets up the trust relationships, indicated by the different arrows. On the non-clustered host, nodes 1, 2, 3, 4, 5, and 6 are added at the same time to the non-clustered host. The non-clustered host can manage all nodes on each cluster. On Cluster A, every node in Cluster A can manage all other nodes in the cluster. Cluster A's nodes cannot access or manage Cluster B's nodes. • Nodes 2 and 3 are added to the ASM/ME instance on Node 1. • Nodes 1 and 3 are added to the ASM/ME instance on Node 2. • Nodes 1 and 2 are added to the ASM/ME instance on Node 3. On Cluster B, every node in Cluster B can manage all other nodes in the cluster. Cluster B's nodes cannot access or manage Cluster A's nodes. • Nodes 5 and 6 are added to the ASM/ME instance on Node 4. • Nodes 4 and 6 are added to the ASM/ME instance on Node 5. • Nodes 4 and 5 are added to the ASM/ME instance on Node 6. Multiple Cluster Management - Two-Cluster Example Non-clustered hosts are not required to manage multiple clusters; you can manage one cluster from another cluster. For example, assume that you have two three-node clusters (Cluster A and Cluster B, in the following figure), and that you want to manage Cluster B from Cluster A. You can run ASM/ME from any node on cluster A, add a node from Cluster B to it, and then manage Cluster B from that node. The following figure illustrates this scenario. HIT Groups 39

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Figure 6. Two-Cluster HIT Group Managed from a Remote Host
In this figure, assume you use the
Add Hosts
option from the ASM/ME instance on the non-clustered host to add all six cluster nodes
from the two clusters.
ASM/ME automatically sets up the trust relationships, indicated by the different arrows.
On the non-clustered host, nodes 1, 2, 3, 4, 5, and 6 are added at the same time to the non-clustered host. The non-clustered host can
manage all nodes on each cluster.
On Cluster A, every node in Cluster A can manage all other nodes in the cluster. Cluster A’s nodes cannot access or manage Cluster B’s
nodes.
•
Nodes 2 and 3 are added to the ASM/ME instance on Node 1.
•
Nodes 1 and 3 are added to the ASM/ME instance on Node 2.
•
Nodes 1 and 2 are added to the ASM/ME instance on Node 3.
On Cluster B, every node in Cluster B can manage all other nodes in the cluster. Cluster B’s nodes cannot access or manage Cluster A’s
nodes.
•
Nodes 5 and 6 are added to the ASM/ME instance on Node 4.
•
Nodes 4 and 6 are added to the ASM/ME instance on Node 5.
•
Nodes 4 and 5 are added to the ASM/ME instance on Node 6.
Multiple Cluster Management — Two-Cluster Example
Non-clustered hosts are not required to manage multiple clusters; you can manage one cluster from another cluster. For example, assume
that you have two three-node clusters (Cluster A and Cluster B, in the following figure), and that you want to manage Cluster B from
Cluster A. You can run ASM/ME from any node on cluster A, add a node from Cluster B to it, and then manage Cluster B from that node.
The following figure illustrates this scenario.
HIT Groups
39