Getting performance information for a volume on which QoS has been set up

REST API Reference Guide for Virtual Storage Platform 5000, Virtual Storage Platform E Series, and Virtual Storage Platform G/F Series

Version
93-07-0x
90-09-0x
88-08-10
Audience
anonymous
Part Number
MK-98RD9014-17
This request specifies the LDEV number of a volume on which QoS has been set up, and gets performance information about that volume. You can check the average performance of the volume over the last second. Use this request to check the performance of volumes during operations or when an alert is issued. You can concurrently run multiple instances of this request, but we recommend running no more than five instances at one time.

Execution permission

Storage Administrator (View Only)

Request line

GET base-URL/v1/objects/qos-monitor-ldevs/object-ID

Request message

Object ID
Specify the ldevId value obtained by getting information about volumes.

Attribute

Type

Description

ldevId

int

(Required) Specify the LDEV number with a decimal (base 10) number.

Query parameters
None.
Body

None.

Response message

Body
{
    "ldevId": 200,
    "receivedCommands": 3840,
    "transferRateOfReceivedCommands": 15000,
    "iops": 2650,
    "transferRate": 10000,
    "responseTime": 5,
    "monitorTime": "2020-01-01T23:59:59Z"
}

Attribute

Type

Description

ldevId

int

LDEV number

receivedCommands

long

Number of commands received from hosts over the last second (IOPS)

transferRateOfReceivedCommands

long

Amount of transferred data received from hosts over the last second (KBps)

iops

long

Number of commands processed by the storage system over the last second (IOPS)

transferRate

long

Amount of transferred data processed by the storage system over the last one second (KBps)

responseTime

int

Average response time (μs)

monitorTime

ISO8601string

Time at which the performance information was collected (UTC)

This parameter is output if the storage system is VSP E series, VSP G350, G370, G700, G900, VSP F350, F370, F700, F900.

Status codes

For details on the status codes of the request for this operation, see the section explaining HTTP status codes.

Coding example

curl -v -H "Accept:application/json" -H "Content-Type:application/json" -H "Authorization:Session d7b673af189048468c5af9bcf3bbbb6f" -X GET https://192.0.2.100/ConfigurationManager/v1/objects/qos-monitor-ldevs/1