4.2 Switchover between Sites Using the Disaster Recovery Function

This section explains the procedure for disaster recovery switchover between sites.

The Flow of the Switchover Procedure

The flow of the switchover procedure is as follows.

Table 4.2 The Flow of the Switchover Procedure
Number	Target Site	Item	Remarks
1	Switchover destination site	Stopping Services and Releasing Resources [Switchover Destination Site]
2	Switchover source site	Locking the Resources and Exporting the Configuration Information [Switchover Source Site]	Perform when the switchover source site is operating
3	Switchover source site	Stopping the Resources that are Targets of Switchover [Switchover Source Site]	Perform when the switchover source site is operating
4	Switchover source site or the site for which the replication definitions have been created	Stopping Storage Replication [Switchover Source Site or the Site for Which Replication Definitions Have Been Created]	Not necessary when a site is stopped due to a disaster
5	Switchover destination site	Mounting the Switchover Information Folder [Switchover Destination Site]
6		Copying the Physical L-Server Images [Switchover Destination Site]	Perform when physical L-Servers are included in the targets of switchover
7		Restoring the Network Device Configuration of the Switchover Source Site [Switchover Destination Site]	Perform when firewalls are included in the targets of switchover
8		Restoring the Configuration Files of the Switchover Source Site [Switchover Destination Site]	Perform when the configuration files do not match
9		Reflecting the Changes to the Settings of the Switchover Source Site [Switchover Destination Site]
10		Reflecting Customization of Roles [Switchover Destination Site]
11		Mounting the Datastore to a VM Host [Switchover Destination Site]	Perform for virtual L-Server switchover (VM guest)
12		Switchover Using the Batch Command [Switchover Destination Site]
13		Restoring Directory Service Information [Switchover Destination Site]	Perform when using Single Sign-On authentication
14		Checking Imported L-Platforms [Switchover Destination Site]
15		Recovery of Usage Charges [Switchover Destination Site]
16		Exporting Configuration Information and Resuming Automatic Collection of Switchover Information [Switchover Destination Site]
17	Switchover source site	Cleaning Up the Switchover Source Site	Perform when the switchover source site is operating