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Disaster Scenarios and Their Handling
Chapter 4 85
4 Disaster Scenarios and Their
Handling
The previous chapters provided information on deploying Software RAID
in your environment. In this chapter, you will find information on how
Software RAID addresses various disaster scenarios. All the disaster
scenarios described in this section have the following three categories:
• Disaster Scenario
Describes the type of disaster and provides details regarding the
cause and the sequence of failures leading to the disasters in the case
of multiple failures.
• What happens when this disaster occurs
Describes how the Extended Distance Cluster software handles this
disaster.
• Recovery Process
After the disaster strikes and necessary actions are taken by the
software to handle it, you need to ensure that your environment
recovers from the disaster. This section describes all the steps that
an administrator needs to take to repair the failures and restore the
cluster to its original state. Also, all the commands listed in this
column must be executed on a single line.