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Tivoli Space Manager for UNIX Using the Hierarchical Storage Management Clients
If you lose an entire file system and you attempt to restore backup
versions of all your files, including those that are migrated and premigrated,
your file system might run out of space. If your file system runs out
of space during the restore process, the HSM client must begin migrating files
to storage to make room for additional restored files, thereby slowing the
restore process.
Rather than restoring backup versions of all your files, do one of the
following:
- If the backup versions and migrated files reside on the same
server, use the restore command and set the
restoremigstate option to Yes (the default). The
HSM client restores backup versions of resident files, and restores migrated
and premigrated files to stub files.
- If the backup versions and migrated files reside on different
servers, or if there are no backup versions of migrated and premigrated files,
use the dsmmigundelete command to recreate stub files for migrated
and premigrated files.
- Note:
- When you restore an entire file system, perform this task before
you restore backup versions of your resident files.
Using one of these methods restores your file system to its state as of the
last incremental backup. Premigrated files change to a migrated
state.
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