Job Management Partner 1/Performance Management - Agent Option for Virtual Machine Description, User's Guide and Reference

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VM Physical Disk Status (PI_VPDI)

Function

This record stores performance data on a physical disk being used by a virtual machine over a unit of time. This record is a multi-instance record.

In this record, you can collect performance data such as the data read/write speed of the physical disk being used by the virtual machine. For the data read/write speed, you can collect further details, that is, data write speed and data read speed. The figure below shows an example of data that can be collected in this record.

Figure 5-11 Example of collected data

[Figure]

Note:
  • Information cannot be collected if an attempt to connect to the monitored physical server fails.
  • For Hyper-V, any special character contained in the disk name is converted to a different character and then stored in the Disk ID field. The conversion rules are as follows:
    Before conversion After conversion
    # and \ _
    ( [
    ) ]

Default values and values that can be changed

Item Default value Can it be changed?
Collection Interval 60 Yes
Collection Offset 0 Yes
Log No Yes
LOGIF Blank Yes

ODBC key field

PI_VPDI_VM_ID

PI_VPDI_DISK_ID

Lifetime

None

Record size

Fields

PFM - View name
(PFM - Manager name)		 Explanation Summary Format Delta When not collected Unsup-ported
Record Type (INPUT_RECORD_TYPE) The record name. This is always VPDI. COPY char (8) No -- --
Record Time (RECORD_TIME) The time when the record was created. COPY time_t No -- --
Interval (INTERVAL) Interval during which the information is collected.
[Units: seconds]		 COPY ulong No -- --
VM ID (VM_ID) ID of the virtual machine. COPY string (64) No No --
Disk ID (DISK_ID) Disk ID.
ID of the physical disk connected to the virtual machine.		 COPY string (257) No No --
VM Name (VM_NAME) Name of the virtual machine. COPY string (257) No Blank --
Sampling Time (SAMPLING_TIME) Sampling time.
The time when the performance information is collected on the host machine. Displayed in the following format:
yyyy-mm-ddThh:mm[[Figure]hh:mm]#		 COPY string (32) No Blank --
Speed (SPEED) Data transfer speed.
Speed of reads from or writes to the physical disk, made by the virtual machine.
[Units: KBps]		 HILO double No 0 --
Read Speed (READ_SPEED) Reading data transfer speed.
Speed of reads from the physical disk, made by the virtual machine.
[Units: KBps]		 HILO double No 0 --
Write Speed (WRITE_SPEED) Writing data transfer speed.
Speed of writes to the physical disk, made by the virtual machine.
[Units: KBps]		 HILO double No 0 --
Requests (REQUESTS) Number of requests.
  • For VMware
    Number of times that read/write requests from the virtual machine to the physical disk are processed.
 HILO double No VMware: 0 Hyper-V
Read Requests (READ_REQUESTS) Number of read requests.
Number of times that read requests, made by the virtual machine to the physical disk, are processed.		 HILO double No 0 Hyper-V
Write Requests (WRITE_REQUESTS) Number of write requests.
Number of times that write requests, made by the virtual machine to the physical disk, are processed.		 HILO double No 0 Hyper-V
Commands (COMMANDS) Number of issued disk commands.
Number of commands issued by the virtual machine to the physical disk.		 HILO double No 0 Hyper-V
Abort Commands (ABORT_COMMANDS) Number of aborted disk commands.
Number of aborted commands made by the virtual machine to the physical disk.		 HILO double No 0 Hyper-V
Abort Commands % (ABORT_COMMANDS_PERCENT) Aborted disk command rate.
Percentage of all commands, made by the virtual machine to a physical disk, that are aborted.
Expression: "Abort Commands" field / "Commands" field		 HILO double No 0 Hyper-V
Bus Resets (BUS_RESETS) Number of bus resets.
Number of times the bus was reset for a disk on the virtual machine.		 HILO double No 0 Hyper-V

#
The value used in [[Figure]hh:mm] varies depending on the time zone of the monitored host. For example, if the monitored virtual environment is operating according to JST, +09:00 is displayed. If the monitored virtual environment is operating according to UTC, Z is displayed.

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