DFSMS Volume Information attributes

This table provides daily and monthly statictics on DASD volumes. It contains data written by the DFSMS COLLECT facility as type V records. Use this table for trend reporting on the overall utilization of DASD space.

The following comprises a list of the attributes for this attribute group. The name in bold text shows how the attribute appears in the Tivoli Enterprise Portal.

Node The managed system name of the agent.

Timestamp The value is the time collected from the agent system when the data row was built and sent from the agent to the Tivoli Enterprise Monitoring Server (or stored for historical purposes). It represents the local time zone of the agent system.

Date Date when DCOLLECT was run against the volume. From DCUDATE.

MVS System ID MVS system ID. This is the ID of the system running DCOLLECT. From DCUSYSID.

Storage Group Storage group name for the volume. From DCVSTGGP or set to the character string NON-SMS.

Volume Serial Number Volume serial number. From DCVVOLSR.

Total Volume Capacity Total capacity of the volume, in kilobytes. From DCVVLCAP.

Free DS Control Blocks Total number of free data set control blocks in the VTOC. From DCVFDSCB.

Average Free DS Control Blocks Average number of free data set control blocks in the VTOC.

Largest Extent(kb) Largest extent in the volume, in kilobytes. From DCVLGEXT.

Free Extents Total number of free extents in the volume. From DCVFREXT.

Average Free Extents Average number of free extents in the volume.

Fragmentation Index Fragmentation index of the volume. From DCVFRAGI.

Average Fragmentation Index Average fragmentation index of the volume.

Total Allocated Space Total amount of allocated space in the volume, in kilobytes. From DCVALLOC.

Average Allocated Space Average amount of allocated space in the volume, in kilobytes.

Maximum Allocated Space Maximum amount of allocated space in the volume, in kilobytes. This is the maximum of SPACE_ALLOC_TOTAL in the DFSMS_VOLUME_D table.

Minimum Allocated Space Minimum amount of allocated space in the volume in kilobytes. This is the minimum of SPACE_ALLOC_TOTAL in the DFSMS_VOLUME_D table.

Total Free Space(kb) Total amount of free space in the volume, in kilobytes. From DCVFRESP.

Total Free Space(pct) Total amount of free space in the volume, as a percentage of the total volume capacity. From DCVPERCT.

Average Free Space(kb) Average amount of free space in the volume, in kilobytes.

Average Free Space(pct) Average amount of free space in the volume, as a percentage of the total volume capacity.

Maximum Free Space(pct) Maximum amount of free space in the volume, as a percentage of the total volume capacity. Calculated as the maximum of SPACE_FREE_PCT in the DFSMS_VOLUME_D table.

Minimum Free Space(pct) Minimum amount of free space in the volume, as a percentage of the total volume capacity. Calculated as the minimum of SPACE_FREE_PCT in the DFSMS_VOLUME_D table.

Total Free VTOC Index Records Total number of free VTOC index records in the volume. From DCVFVIRS.

Average Free VTOC Index Records Total number of free VTOC index records in the volume. From DCVFVIRS.