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

Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 V5. Based on the CLI, this document describes how to use various commands classified by functions and how to set the CLI and manage the storage system through these 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).
io show

io show

Function

The io show command is used to query the count of I/Os (start, end, and not back) or information about I/O delay.

Format

io show -m valid [-c|-t] [-n keyword] [-h]

io show -m all [-c|-t] [-n keyword] [-h]

io show -m pid [-c|-t] [-n keyword] [-h]

io show -l level [-c|-t] [-n keyword] [-h]

Parameters

Parameter

Description

Value

-m

Module.

-

-l

Level.

-

-c

Shows the count.

-

-t

Shows the delay.

-

-h

Shows historical data.

-

-n

Shows I/O statistics at a single count point or delay point.

-

valid

Statistics on valid I/Os at a specific statistics point. If the statistics on an I/O are zeros, the statistics are not displayed.

-

all

Statistics on all I/Os at a specific statistics point. All statistics, no matter whether they are zeros, are displayed.

-

pid

Module PID.

-

level

Statistics point level.

-

keyword

Statistics point name.

-

Views

Diagnostic view

Usage Guidelines

  • One of -m and -l must be selected.
  • If -m is selected, one of valid, all, and pid must be selected.
  • If -l is selected, the parameter is level.
  • Other parameters are optional.

Example

Query information about the I/O statistics point whose I/O count is not zero.

admin:/diagnose>io show -m valid 
Name                              pid     level     Start      Back Good     Back Bad     Not Back       Av           Max          Min           Total         Location 
  ------------                     ------- ------- ------------ ------------ ------------ ------------ ------------ ------------ ------------ ---------------- ------------ 
  BDM_LD                               151       3        923          923            0            0            0            0            0                0 0x00160003 
  BDM_SIO_RW                           151       3          766          766            0            0            0            0         0                0 0x0016001f 
  BDM_SIO_DISK_DISP                    151       3          789          789            0            0            0            0            0                0 0x00160025 
  BDM_SIO_DRV_RW                       151  2          789          789            0            0        17364       145153           60         13700245 0x00160026 
  BDM_LD_READ                          151       2           40           40            0            0          799         1443          425            31972 0x0016002c 
  BDM_LD_WRITE                         151       2          883          883            0            0        17008       145224           93         15018369 0x0016002d 
  BDM_LD_SYSPOOL_READ                  151       2           40           40            0            0          795         1437          424            31816 0x00160034 
  BDM_LD_SYSPOOL_WRITE                 151       2          883          883            0            0        17005       145220           92         15016180 0x00160035 
  BDM_PRI_EXTREME_HIGH_WRITE           151       3          588          588            0            0          111        34127            1            65628 0x0016003a 
  BDM_SIO_READ                         151       2           31           31            0            0          700         1392          416            21726 0x00160049 
  BDM_SIO_WRITE                        151       2          735          735            0            0        18439       145189           83         13552979 0x0016004a 
  BDM_SIO_DISK_DIF_READ                151       2           31           31            0            0          670         1370          405            20794 0x0016004b 
  BDM_SIO_DISK_DIF_WRITE               151       2          758          758            0            0        18073       145159           66         13699429 0x0016004c 
  BDM_SIO_DRV_READ                     151       2           31           31            0            0       658         1356          402            20417 0x0016004d 
  BDM_SIO_DRV_WRITE                    151       1          758          758            0            0        18049       145155           61         13681304 0x0016004e 
  BDM_SIO_DISK_DISP_READ               151       2           31           31            0            0          683         1378          410            21181 0x0016004f 
  BDM_SIO_DISK_DISP_WRITE              151       2          758          758            0            0        18229       145168           74         13818004 0x00160050

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Name

Name of the statistical item.

Start

Number of delivered I/Os of a specific type.

Back Good

Number of successful I/Os of a specific type.

Back Bad

Number of failed I/Os of a specific type.

Not Back

Number of I/Os of a specific type that are not returned.

Pid

ID of the specific type.

Level

Level of the specific type.

Av

Average delay.

Max

Maximum delay.

Min

Minimum delay.

Total

Total delay.

Location

Location ID.

Translation
Download
Updated: 2019-07-11

Document ID: EDOC1000181575

Views: 643698

Downloads: 30

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