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Tivoli Space Manager for UNIX Using the Hierarchical Storage Management Clients

Back Up and Migrate Files to the Same Server

Follow the steps below to restore your file system if you back up and migrate files to the same server and you have backup versions of your migrated and premigrated files. Enter commands to restore your file system in the exact order that is presented. Otherwise, you might not obtain the results that you want.

  1. Follow your operating system instructions to establish the file system again.
  2. Mount the file system. For information about mounting file systems, see Mounting Your File Systems First.
  3. If the /etc/adsm/SpaceMan/config/dsmmigfstab file contains an entry for your file system, remove the entry from the file. Ensure that the file system does not contain the .SpaceMan directory. Otherwise, you will not be able to add space management to your file system.
  4. Add space management to your file system. For information about adding space management, see Adding Space Management to Your File Systems.
  5. Enter the dsmc restore command and set the restoremigstate option to yes (the default). This command is provided with the backup-archive client. For example, to restore the /home file system, enter:
       dsmc restore -restoremigstate=yes -sub=yes "/home/*"
    

    Enter the dsmc restore command with the restoremigstate option set to yes. The HSM client restores backup versions of resident files and restores stub files for migrated and premigrated files.


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