ServerView Resource Orchestrator Cloud Edition V3.1.1 DR Option Instruction

4.2 Switchover Operations between Sites Using the Disaster Recovery Function

This section explains operations for disaster recovery switchover between sites.

Switchover Operations

For switchover operations, there are the two main operations described below.

• Site Switchover

  Switches over the resources in all global pools operating on a site to the sites for individual tenants.

• Tenant Switchover

  Switches over a tenant operating on a site to another site.

  
  

The Flow of the Switchover Procedure

The flow of the switchover procedure is as follows.

Table 4.1 The Flow of the Switchover Procedure

Number	Target Site	Item	Remarks
1	Switchover destination site	Stopping Automatic Collection of Switchover Information [Switchover Destination Site]	Perform when switchover information is automatically collected
2		Stopping Services and Cleaning Up [Switchover Destination Site]
3	Switchover source site	Stopping the Resources that are Targets of Switchover [Switchover Source Site]	Perform when the switchover source site is operating
4		Locking the Resources and Exporting the Configuration Information [Switchover Source Site]	Perform when the switchover source site is operating
5	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
6	Switchover destination site	Mounting the Switchover Information Folder [Switchover Destination Site]
7		Copying the Physical L-Server Images [Switchover Destination Site]	Perform when physical L-Servers are included in the targets of switchover
8		Copying the Configurations of Target Firewalls for Switchover [Switchover Destination Site]	Perform when firewalls are included in the targets of switchover
9		Restoring the Configuration Files of the Switchover Source Site [Switchover Destination Site]	Perform when the configuration files do not match
10		Reflecting the Changes to the Settings of the Switchover Source Site [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]
14		Checking Imported L-Platforms [Switchover Destination Site]
15		Recovery of Usage Charges [Switchover Destination Site]
16		Changing the FQDN Settings [Switchover Destination Site]	Perform when performing site switchover and changing the IP address of FQDN
17		Initializing Internal Certificates [Switchover Destination Site]
18		Updating the Access Rights that Were Customized [Switchover Destination Site]
19		Exporting Configuration Information and Resuming Automatic Collection of Switchover Information [Switchover Destination Site]
20	Switchover source site	Cleaning Up the Switchover Source Site	Perform when the switchover source site is operating
21	Switchover source site or the site for which the replication definitions have been created	Resuming Replication of the Disk with the Switchover Information Folder [Switchover Source Site or the Site for Which the Replication Definitions Have Been Created]
22	Switchover destination site	Resuming Replication of the Disks Belonging to the Target Storage Pools for Replication [Switchover Destination Site]	Perform after recovery of the switchover source site