Note
If the work in this section is performed, the business server cannot connect to the storage and the business volume between the Primary Storage and Secondary Storage is out of sync. Perform the work after confirming that there are no problems with the completion of the operations that use the Storage Cluster function and that there are no problems even if the transactions for the business volume are stopped to perform the work.
To delete the Storage Cluster environment, perform the following procedure.
Deleting Access Path
For both the Primary Storage and the Secondary Storage, delete the access path using Web Console or the storageadm zone command.
Deleting Business Volumes from Storage Cluster Environment
Delete all the business volumes that are used by the Storage Cluster environment. Refer to the following sections for information on how to delete them.
When operating a TFO group with the Active-Active configuration: "9.3.2.4 Adding and Deleting Business Volume"
When operating a TFO group with the Active-Standby configuration: "9.4.2.3 Adding and Deleting Business Volume"
Deleting TFO Groups
After confirming that no TFO pair is registered in the TFO groups, use Web Console to delete all the TFO groups.
Note
Do not specify WWPN Handover in Step 6.
For iSCSI connection environments, after confirming that one of the following conditions is satisfied, perform the procedure.
The storage device in the standby side is not connected to SAN.
The iSCSI IP address of the iSCSI port is not a duplicate in the same network.
The procedure for deleting TFO groups is as follows.
When operating AdvancedCopy Manager, stop the copy session and delete the AdvancedCopy Manager environment.
Refer to "(a) Stopping the copy session" and "(c) Deleting AdvancedCopy Manager environment settings" in "Table 9.11 When Using AdvancedCopy Manager Copy Control Module Function" or in "Table 9.12 When Using AdvancedCopy Manager Replication Management Function" for the copy session stop procedure.
Click Storage on the global navigation tab.
Registered ETERNUS Disk storage systems are displayed on the Main pane.
On the Main pane, click the Name of a target ETERNUS Disk storage system.
On the Category pane, click Storage Cluster.
Created TFO groups are displayed on the Main pane.
Select the target TFO groups on the Main pane and click Delete under TFO Group on the Action pane.
The TFO Group Deletion Wizard screen is displayed.
The Option Selection/Confirmation screen is displayed.
When TFO groups are operated with the Active-Standby configuration in FC connection environments, do not check the WWPN Handover checkbox.
When TFO groups are operated with the Active-Standby configuration in iSCSI connection environments or when TFO groups are operated with the Active-Active configuration, the WWPN Handover checkbox is displayed but grayed out.
Click Delete.
When TFO groups are operated with the Active-Standby configuration in FC connection environments, on completion of deletion, make sure on the FC Port List screen that WWPN is inherited. The procedure is as follows:
When TFO groups are operated with the Active-Standby configuration in iSCSI connection environments or when TFO groups are operated with the Active-Active configuration, the values set to the ports are kept as they are and no confirmation is required.
Click Storage on the global navigation tab.
Registered ETERNUS Disk storage systems are displayed on the Main pane.
On the Main pane, click the Name of the ETERNUS Disk storage system specified as the Secondary Storage for Storage Cluster.
On the Category pane, click Connectivity.
A list of port types is displayed on the Main pane.
On the Main pane, click No. of Ports whose type is FC.
A list of FC ports is displayed on the Main pane. When both the Logical WWPN column and the TFO Status column are "-" (hyphen), the logical WWPN/WWNN is not inherited by those ports when the TFO group is deleted.
Changing REC Path Configuration
If necessary, use Web Console to change the REC path configuration that is being used by the Storage Cluster environment.
Changing Port Configuration
If necessary, use Web Console to change the port (the port for connecting to the business server and the port for the REC path) configuration that is being used by the Storage Cluster environment.
