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appropriate when the MPS is recycled. Possible values are:
• Waiting - Migration is not taking place at this time. The start of the next migration is waiting until
criteria specified in the migration policy are met.
• Running - A migration is in progress.
• None - The storage class, as configured, is not a candidate for migration.
• Suspended - Migration has been suspended.
Migr Policy. The migration policy assigned to the storage class.
Purge State. The purge state for the storage class. The Purge State resets to WAITING or NONE as
appropriate when the MPS is recycled. Possible values are:
• Waiting - Purging is not taking place at this time. The start of the next purge is waiting until
criteria specified in the purge policy are met.
• Running - A purge is in progress.
• None - The storage class, as configured, is not a candidate for purging.
• Suspended - Purging has been suspended.
Purge Policy. The purge policy assigned to the storage class.
Administration Buttons.
Migration Controls. This pull-down can be used to send migration commands to the MPS on the
selected storage classes. This pull-down is enabled only if at least one of the selected storage classes has
been assigned a migration policy. Click on it to drop down a list of control options. These are:
• Start - If the migration state is Waiting, this starts the migration and puts it into the Running
state. This does not guarantee that any files will be migrated, only that files will be reevaluated
against the appropriate migration policy and migrated as appropriate.
• Stop - If the migration state is Running, this stops the migration and puts it into the Waiting state.
• Suspend - If the migration state is Waiting or Running, this puts the migration into the Suspended
state.
• Resume - If the migration state is Suspended, this returns it to Waiting and allows MPS to again
begin scheduling migration runs.
• Reread policy - Tells the MPS to refresh its migration policy information by rereading the policy.
Purge Controls. This pull-down can be used to send purge commands to the MPS on the selected
storage classes. This pull-down is enabled only if at least one of the selected storage classes has been
assigned a purge policy. Click on it to drop down a list of control options. These are:
• Start - If the purge state is Waiting, this starts the purge and puts it into the Running state. This
does not guarantee that any files will be purged, only that files will be reevaluated against the
appropriate purge policy and purged as appropriate.
• Stop - If the purge state is Running, this stops the purge and puts it into the Waiting state.
HPSS Management Guide November 2009
Release 7.3 (Revision 1.0) 250