Whether performance information is collectible when using a storage system management program

Ops Center Analyzer REST API Reference Guide

Version
11.0.x
Audience
anonymous
Part Number
MK-99ANA003-18

The following table lists the I/O types and whether performance information can be collected by RAID Agent when a program for managing storage systems is used.

Program name

I/O Type

Types of performance information

Can/cannot collect performance information of each resource subject to I/O loads

Logical device

Parity group

Port

TrueCopy or Universal Replicator

I/O that occurs between a host and a P-VOL

Performance values of read/write processing

Y

Y

Y

Usage rate

Y

Y

(Not applicable)

I/O that occurs between a P-VOL and an S-VOL

Performance values of read/write processing

N

N

Initiator port : Y

RCU Target port : N

Usage rate

Y*

Y*

(Not applicable)

ShadowImage

I/O that occurs between a host and a P-VOL

Performance values of read/write processing

Y

Y

Y

Usage rate

Y

Y

(Not applicable)

I/O that occurs between a P-VOL and an S-VOL

Performance values of read/write processing

N

N

(Not applicable)

Usage rate

Y*

Y*

(Not applicable)

Copy-on-Write Snapshot/Thin Image/Thin Image Advanced

I/O that occurs between a host and a P-VOL

Performance values of read/write processing

Y

Y

Y

Usage rate

Y

Y

(Not applicable)

I/O that occurs between a P-VOL and a V-VOL

Performance values of read/write processing

N

N

(Not applicable)

Usage rate

N

N

(Not applicable)

I/O that occurs at a pool volume

Performance values of read/write processing

N

N

(Not applicable)

Usage rate

Y*

Y*

(Not applicable)

Dynamic Provisioning

I/O that occurs between a host and a V-VOL

Performance values of read/write processing

Y

N

Y

Usage rate

N

N

(Not applicable)

I/O that occurs at a pool volume

Performance values of read/write processing

N

N

(Not applicable)

Usage rate

Y*

Y*

(Not applicable)

Legend:

Y: Can be collected

N: Cannot be collected (the value will be indefinite)

* When monitoring a logical device that is not mapped to a port or when monitoring a parity group to which the logical device belongs, the value of Unassigned Open Volume Monitoring must be Y or y.