text: **10.5 Expiration processing on Multiplatforms and z/OS**
  
  This section goes into detail about the expiration process on Multiplatforms and z/OS. 
  
  **10.5.1 Content Manager OnDemand expiration: ARSMAINT**
  
  The**ARSMAINT**program manages application group data in the Content Manager OnDemand 
  database and in cache storage. 
  
  You typically run the**ARSMAINT**program on a regular schedule to perform the following tasks: 
  
  (cid:2) Migrate files from cache storage to archive storage. 
  (cid:2) Delete files from cache storage. 
  (cid:2) Optionally, migrate index data from the database to archive storage. 
  (cid:2) Delete index data from the database. 
  
  The application group data and the data that you stored in cache are all managed by the 
  **ARSMAINT**program. It is managed by using the storage management values from the 
  application groups that are defined to the system. 
  
  Here are the storage management field values that are used: 
  
  (cid:2) Life of Data and Indexes 
  (cid:2) Length of Time to Cache Data on Magnetic 
  (cid:2) Length of Time Before Copying Cache to Archive Media 
  (cid:2) Length of Time Before Migrating Indexes to Archive Media 
  (cid:2) Length of Time to Maintain Imported Migrated Indexes 
  (cid:2) Expiration Type 