Tivoli Header
Tivoli Space Manager for UNIX Using the Hierarchical Storage Management Clients
Add space management to all file systems for which you need space
management services. When you add space management to your file system,
the HSM client:
- Creates a hidden directory for your file system named
.SpaceMan that stores certain information objects required
to perform space management tasks. See Table 22 for more information about the .SpaceMan
directory.
- Adds an entry to the dsmmigfstab file that includes the file system name
to which you added space management and selected your space management
settings. The dsmmigfstab file is stored in the
/etc/adsm/SpaceMan/config directory. See Appendix B, The .SpaceMan Directory for an example of a dsmmigfstab file.
- Note:
- Maintain a current backup version of the dsmmigfstab file at all
times.
- Updates mount information for the native file system.
For Solaris VxFS file systems: If the
/etc/vfstab file contains an entry for your file system, a new
attribute is not added.
For AIX JFS file systems: If the
/etc/filesystems file contains a stanza for your file system, the
HSM client performs the following:
- Changes the mount attribute from true to
false. This prevents the operating system from mounting your
file system automatically when the operating system starts.
- Adds an adsmfsm attribute to the stanza for your file system with
a value of true. The adsmfsm attribute indicates that the
HSM client manages the file system.
- For AIX JFS file systems: Mounts the file system migrator
(FSM) over the native file system.
- Starts space management for your file system.
For AIX GPFS file systems: The dsmwatchd daemon starts at
system startup (inittab entry). The AIX SP node to which you add a GPFS
file system becomes the preferred node for your file system. If several
HSM clients on several AIX SP nodes are candidates for managing a GPFS file
system, the preferred node has precedence. In the event of failure and
takeover by another node within the GPFS node set, the HSM client that manages
the file system is not the HSM client on the preferred node. A GPFS
node set is a set of AIX SP nodes that can mount a defined group of GPFS file
systems.
Attention: During the mount process and while the HSM client
is adding space management to your file systems, do not attempt to access any
files in your file systems or perform any tasks against your file
systems.
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