ETERNUS SF Express V16.9 / Storage Cruiser V16.9 / AdvancedCopy Manager V16.9 Migration Guide

5.5.1 Preparing for Upgrade

Point

It is recommended that you back up the system before starting the upgrade.
By preparing a backup, in cases when an error occurs during the upgrade, it is possible to return the system to its state prior to the upgrade, simply by recovering (restoring) the system from the backup.

5.5.1.1 Backing Up Operational Environment of Previous Version

For recovery in case the upgrade fails, perform a backup of the operating environment of the previous version of the Storage Cruiser's agent.
The procedure is shown below:

1. Login to the server on which to perform the tasks. Perform operations after logging in with root (superuser).

2. Execute the following command to stop the daemon.

   # /opt/FJSVssage/bin/pstorageagt

3. Execute the following command to confirm that the daemon has stopped.

   # /bin/ps -ef | grep FJSVssage

   If not stopped, execute the following command to stop it forcibly.

   # /usr/bin/kill -9 daemonProcID

4. Insert the DVD "ETERNUS SF SC/ACM/Express Mediapack (V16.9 or higher) Agent Program and Manual" of this version into the DVD drive.

5. Mount the DVD media.

   Example:

   # mount -t iso9660 -r /dev/cdrom dvdMountPoint

   The device name of the DVD drive may differ depending on the device. In this example, the device name of the DVD drive is mounted as "/dev/cdrom".

6. Execute the following command to perform a backup of the previous version.

   For backupDir, specify the directory in which to store the backup data with an absolute path.

   # dvdMountPoint/Agent_unix/Storage_Cruiser/Linux/scagtpreinst.sh backupDir

   When the backup fails, after confirming the output error message and removing the cause of the failure, re-execute the command.