6. DATA SOURCES › 6.2 VTS Component Data Sources › 6.2.4 IBM Hydra Bulk Volume Information Retrieval (BVIR) › 6.2.4.1 IBM Hydra BVIR Record Description

6.2.4.1 IBM Hydra BVIR Record Description

 The historical BVIR records are produced at 15-minute
 intervals and stored in an internal database on the tape
 server for a rolling 90-day period.  The historical data
 contains 6 record types that focus on performance statistics
 for various aspects of the tape server.
 
 Each record contains a snapshot of the activity in that 15-
 minute interval.  The statistics summarize the interaction of
 all z/OS systems with the tape server.  There is no breakdown
 of information at the individual z/OS system level.
 
 In addition, the records do not contain any z/OS originating
 system identification.  The ORGSYSID value stored in the CA
 MICS HVT Information Area database files defaults to SYS1,
 but may be overridden with a VTSSYSID statement in
 prefix.MICS.PARMS(VTSOPS).  See section 7.2.3.1.3 for more
 information about the VTSSYSID statement.
 
 The BVIR historical record types are:
 
 Type 20           Vnode Virtual Device Historical Record.
                   The basic record contains detailed
                   information about:
 
                   o Channel blocks written, concurrent
                     virtual tape drive statistics.
 
                   Contributes to the following files:
                   HVTVDA - Hydra Vnode Device Activity
                   HVTHCA - Hydra Cluster Summary
 
 Type 21           Vnode Adapter Historical Record.
                   The basic record contains detailed
                   information about:
 
                   o Type and status of each Host Bus
                     Adapter (HBA).
 
                   o I/O throughput of each HBA.
                     Compression ratios are derived from
                     this data.
 
                   Contributes to the following files:
                   HVTVAP - Hydra Vnode Adapter Port Activity
                   HVTVDA - Hydra Vnode Device Activity
                   HVTHCA - Hydra Cluster Summary
 
 Type 30           Hnode HSM Historical Record.
                   The basic record contains detailed
                   information about:
 
                   o Total cache size.
 
                   o I/O throttling activity.
 
                   o Total virtual volumes in cache and
                     average volume size.
 
                   o Mount statistics by cache partition:
                     scratch mounts, cache hit, cache miss,
                     and mount times.
 
                   o Virtual volume age statistics by
                     preference groups.
 
                   Contributes to the following files:
                   HVTHHC - Hydra Hnode Cache Activity
                   HVTHCP - Hydra Hnode Cache Partition
                            Activity
                   HVTHPG - Hydra Hnode Cache Pref Grp
                            Statistics
                   HVTHHA - Hydra Hnode Activity
                   HVTHCA - Hydra Cluster Summary
 
 Type 31           Hnode Export/Import Historical Record.
                   The basic record contains detailed
                   information about:
 
                   o Statistics on the number of physical and
                     logical volumes either exported or
                     imported along with the volume of data.
 
                   Contributes to the following files:
                   HVTHHC - Hydra Hnode Export-Import
                            Activity
                   HVTHHA - Hydra Hnode Activity
                   HVTHCA - Hydra Cluster Summary
 
 Type 32           Hnode Library Historical Record.
                   The basic record contains detailed
                   information about:
 
                   o Physical tape drive statistics:  mount
                     times, mount types, data volumes written,
                     active logical volumes, and policy
                     settings.
 
                   Contributes to the following files:
                   HVTHPD - Hydra Hnode Physical Drive
                            Activity
                   HVTHGP - Hydra Hnode G-Use Pool Activity
                   HVTHGM - Hydra Hnode G-Use Pool Media Stats
                   HVTHHA - Hydra Hnode Activity
                   HVTHCA - Hydra Cluster Summary
 
 Type 33           Hnode Grid Historical Record.
                   The basic record contains detailed
                   information about:
 
                   o Statistics for the amount of data copied
                     from one cluster to another cluster,
                     remote mounts on behalf of another
                     cluster.
 
                   Contributes to the following files:
                   HVTGRC - Hydra Hnode Grid Activity
                   HVTGCC - Hydra Hnode Grid Cluster Activity