Disaster Scenarios and Their Handling

The following table lists all the disaster scenarios that are handled by the Extended Distance Cluster software. All the scenarios assume that the setup is the same as the one described in “Extended Distance

Clusters” on page 18 of this document.

Table 4-1

Disaster Scenarios and Their Handling

 

 

 

 

Disaster Scenario

What Happens When

Recovery Process

This Disaster Occurs

 

 

 

 

 

 

A package (P1) is running on a

The package (P1) fails over

As the network and both the

node (Node 1). Node 1

to another node (Node 2).

mirrored disk sets are accessible

experiences a failure.

 

This node (Node 2) is

on Node 2, and were also

 

 

accessible when Node 1 failed, you

 

 

configured to take over the

 

 

only need to restore Node 1. Then

 

 

package when it fails on

 

 

you must enable the package to

 

 

Node 1.

 

 

run on Node 1 after it is repaired

 

 

 

 

 

 

by running the following

 

 

 

command:

 

 

 

# cmmodpkg -e P1 -n N1

 

 

 

 

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Chapter 4