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Advanced O&M Command Reference
OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5. Based on the CLI, this document describes how to use various commands classified by functionsand how to set the CLI and manage the storage system through these commands.

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cache show destage

cache show destage

Function

The cache show destage command is used to query information about destage.

Format

cache show destage cachebase

cache show destage fsdsg volumeID [timepoint num]

cache show destage type

cache show destage obj [volumeId]

cache show destage perf

cache show destage chunknum

Parameters

Parameter

Description

Value

cachebase Information about all cachebase in the cache.

-

obj Cache object.

-

volumeId Volume ID.

The value ranges from 0 to 2^64-1.

perf Destage performance.

-

chunknum Number of destaged chunks.

-

type Cache destage type.

-

fsdsg File system destage.

-

timepoint num Destage time point.
  • The value of timepoint ranges from 0 to 2^64-1.
  • The value of num ranges from 0 to 2^32-1.

Views

Diagnostic view

Usage Guidelines

None

Example

Query the destage performance of the volume cache and stripe cache.

ibc_os_hs:/diagnose>cache show destage perf
Volume Cache Performance Sta:
  dsg page num                  : 0
  dsg chunk num                 : 0
  dsg cnt                       : 0
  avg dsg page num              : 0
  avg dsg chunk num             : 0
  avg select chunk num          : 0
  dsg assemblage                : 0
  chunk size                    : 0
  start time                    : 465966635420
Stripe Cache Performance Sta:
  dsg page num                  : 0
  dsg chunk num                 : 0
  dsg cnt                       : 0
  avg dsg page num              : 0
  avg dsg chunk num             : 0
  avg select chunk num          : 0
  dsg assemblage                : 0
  chunk size                    : 0
  start time                    : 465966635500
ibc_os_hs:/diagnose> 

System Response

None

Translation
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Updated: 2020-03-19

Document ID: EDOC1000181602

Views: 844512

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