Job Management Partner 1/Performance Management - Remote Monitor for Platform Description, User's Guide and Reference

Physical Disk Busy Status (historical report indicating the length of time the disk was busy)

Overview

The Physical Disk Busy Status report displays minute-by-minute information about the percentage of time the disk was busy over the past hour. The display format is a bar graph.

Storage location

/RM Platform/Troubleshooting/Recent Past

Record

PI_PDSK

Fields

Table 4-44 Description of fields (Physical Disk Busy Status (historical report indicating the length of time the disk was busy))

Field name Description

Busy % Percentage of time the disk was busy during read and write request processing.
In UNIX, this value may exceed 100 when device processing is executed continuously.

ID

In Windows:

Physical disk number

In UNIX:

Device name

Polling Time Time the performance data was collected on the PFM - RM host

Queue Length

In Windows:

Average number of read and write requests placed in the disk queue

In UNIX:

Length of the device queue. A one-second volume of I/O processing is indicated as 1.

Read Counts/sec Disk read processing speed (times/second)

Read MBytes/sec Speed of data transfer to the disk during read processing (megabytes/second)

Target Host Time Time the performance data was collected on the monitored host

Total Counts/sec Disk read and write processing speed (times/second)

Total MBytes/sec Speed of data transfer between disks during read and write processing (megabytes/second)

Write Counts/sec Disk write processing speed (times/second)

Write MBytes/sec Speed of data transfer to the disk during write processing (megabytes/second)

Field name	Description
Busy %	Percentage of time the disk was busy during read and write request processing. In UNIX, this value may exceed 100 when device processing is executed continuously.
ID	In Windows: Physical disk number In UNIX: Device name
Polling Time	Time the performance data was collected on the PFM - RM host
Queue Length	In Windows: Average number of read and write requests placed in the disk queue In UNIX: Length of the device queue. A one-second volume of I/O processing is indicated as 1.
Read Counts/sec	Disk read processing speed (times/second)
Read MBytes/sec	Speed of data transfer to the disk during read processing (megabytes/second)
Target Host Time	Time the performance data was collected on the monitored host
Total Counts/sec	Disk read and write processing speed (times/second)
Total MBytes/sec	Speed of data transfer between disks during read and write processing (megabytes/second)
Write Counts/sec	Disk write processing speed (times/second)
Write MBytes/sec	Speed of data transfer to the disk during write processing (megabytes/second)

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