Upgrading VCS for Windows to SFW HA


Upgrading VCS for Windows to SFW HA
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To upgrade VCS for Windows to SFW HA, your system must have VCS version 6.1 installed.

If your current installation does not meet this minimum required level, you must first perform the appropriate upgrades to meet the minimum version level required.

Note the following points before you begin to upgrade VCS:

After the upgrade, you will not be able to use the VCS service group configuration wizards to create or modify the service groups with VCS NetApp (NetAppFiler, NetAppSnapDrive, NetAppSnapMirror) or VCS LDM (Mount, DiskRes) storage resource.

After the upgrade, the VCS service group configuration wizards will support only the MountV and VMDg resources for storage.

The upgrade does not affect the functioning of such service groups. You can choose to retain those service groups as is. However, for any administrative tasks after the upgrade, you will have to manually edit these service groups either using the Cluster Manager (Java Console) or the command line.
While the upgrade does not affect the functioning of the service groups that include NetApp or LDM storage resources, you can choose to delete these service groups and create the service groups that includes MountV and VMDg resources. If you want to delete the service groups that contain NetApp or LDM storage resources, you must use the following process:
- Take a backup of the application data on all the volumes configured in the service groups.
- Delete the service groups.
- Upgrade the cluster to SFW HA.
- Use VEA to create dynamic cluster disk groups and volumes, as necessary.
- Copy the backed up application data to the configured volumes.
- Create the application service groups using the wizards.
- If you have configured Exchange service group, perform the following changes for each EVS entry in ExchConfig registry key at HKLM\Software\Veritas\VCS\ExchConfig\EVS\EVSName location:
  - Change the value of "IsRegRepVMDisk" to 1
  - Modify the "RegRepDiskGroupName" to use the diskgroup name
  - Modify the "RegRepVolumeName" registry value to include the volume path
    
    For example, \Device\HarddiskDmVolumes\DGName\VolumeName\

Table: VCS to SFW HA upgrade tasks lists the tasks to be performed for upgrading VCS to SFW HA.

Table: VCS to SFW HA upgrade tasks

Step	Task
1	Review the notes mentioned earlier.
2	Review the pre-upgrade tasks to be performed See Preparing the SFW or SFW HA cluster nodes for upgrade.
3	Review the upgrade notes See SFW or SFW HA upgrade notes.
4	If you plan to add the DMP DSMs during the upgrade, you must add the HBA (host bus adapter) hardware before performing the upgrade. Connect no more than one path from the new HBA to the storage array before the upgrade and DMP DSMs installation. Select the DMP DSM option or the appropriate DMP DSMs while running the installer. For more information about the hardware and software prerequisites for DMP DSM installation, refer to Symantec Dynamic Multi-Pathing for Windows Installation and Upgrade Guide.
5	Perform the upgrade steps. See Installing the SFW or SFW HA server components using the product installer. See Installing the SFW or SFW HA client components using the product installer. See Performing an automated installation for SFW or SFW HA server or client components.
6	Perform the post upgrade steps. See About the tasks after upgrading SFW HA.

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