No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 V3. Based on the CLI provided by the DeviceManager, this document describes how to use variouscommands classified by functions and how to set the CLI and manage the storage system throughthese commands. The document that you browse online matches the latest C version of the product. Click Download to download documents of other C versions.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
change iostat policy

change iostat policy

Function

change iostat policy command is used to set an I/O statistical policy.

Format

change iostat policy [ forward_seek_range=? ] [ backward_seek_range=? ] [ read_io_size_range=? ] [ write_io_size_range=? ] [ read_io_size=? ] [ write_io_size=? ] [ io_delay_range=? ]

Parameters

Parameter

Description

Value

forward_seek_range=?

Forward seek range.

  • The value contains five increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 99, expressed in percentage.
  • The default value is "0,20,40,60,80".

backward_seek_range=?

Backward seek range.

  • The value contains five increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 99, expressed in percentage.
  • The default value is "0,20,40,60,80".

read_io_size_range=?

Read I/O range.

  • The value contains five increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 4,294,967,295, expressed in KB.

Example: 1,100,1000,10000,100000

write_io_size_range=?

Write I/O range.

  • The value contains five increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 4,294,967,295, expressed in KB.

Example: 1,100,1000,10000,100000

read_io_size=?

Read I/O size.

  • The value contains nine increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 4,294,967,295, expressed in KB.

Example: 2,4,8,16,32,64,128,256,512

write_io_size=?

Write I/O size.

  • The value contains nine increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 4,294,967,295, expressed in KB.

Example: 2,4,8,16,32,64,128,256,512

io_delay_range=?

I/O latency range.

  • The value contains five increasing integers, which are separated by commas (",").
  • Each integer ranges from 0 to 4,294,967,295, expressed in ms.

Example: 50,100,200,400,800

Level

Administrator

Usage Guidelines

None

Example

Set the forward seek range to "0,30,50,70,80".

admin:/chang iostat policy forward_seek_range=0,30,50,70,80 
Command executed successful

System Response

None

Translation
Download
Updated: 2019-07-12

Document ID: EDOC1000138390

Views: 226492

Downloads: 150

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Share
Previous Next