Tape graphs

Utilization

Tape Utilization

Use to show utilization for a tape drive across the selected intervals.

I/O Rate

Tape I/O Rate

Use to show I/O rate for a tape drive across the selected intervals.

Tape Mount

Tape Mounts

Use to show the number of tape mounts for a tape drive across the selected intervals.

Tape Mount Delay

Tape Mount Delay

Use to show the tape mount delay time for a tape drive across the selected intervals.

Allocated

Tape Allocated

Use to draw the percentage of tape allocated for a tape drive across the selected intervals.

Hierarchy

Tape Hierarchy

Use to show metrics for tapes across the selected intervals. The graph shows the following performance measures:

• Average tape Device utilization percentage (% Util)
• Average tape mount delay (sec/Mount)
• Average tape device allocation percentage (Alloc %)
• Tape Mount requests per hour (Mounts/hr)
• Average SSCH rate on this device (IO/sec)
• Total mount delay for the interval (Delay hrs)
• Count of tape Mounts (Mounts)

Hierarchy with MASF

Tape Hierarchy with MASF

Use to show metrics with Multivariate Adaptive Statistical Filtering (MASF) for tapes across the selected intervals.

Tape Pools Hierarchy

Tape Pools Activity

Use to show metrics for tape pools across the selected intervals. The graph shows the following performance measures:

• Average number of tape devices in the pool (NDevices)
• Average tape Device utilization percentage (% Util/Dev)
• Average tape Device allocation percentage (% Alloc/Dev)
• Tape Mount requests per hour (Mount/hr)
• Total aggregated I/O rate of all devices in the pool per second (TotI/ORate)
• Average tape mount delay (sec/Mount)
• Average response time per I/O request (RespTime)
• Connect time (ConnTime)
• Disconnect time per I/O (DiscTime)
• Pending time per I/O (PendTime)

Tape Pool usage by logical systems

Tape Pool usage by logical systems

Use to show tape pool usage by logical systems.