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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 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.
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ioctrl showio

ioctrl showio


The ioctrl showio command is used to query the count of I/Os in the IOCTRL module.


ioctrl showio




Diagnostic view

Usage Guidelines

This command is used to query the count of I/Os in the IOCTRL module.


Query the count of I/Os in the IOCTRL module.

admin:/diagnose>ioctrl showio 

  Name                             Start        Back Good Back Retry Back Bad   Not Back 
  ------------------------------ ------------ ------------ ------------ ------------ ------------ 
  IOCTRL_COUNTER_BLOCK_RSS_IO                 0            0            0            0            0 
  IOCTRL_COUNTER_UNBLOCK_RSS_IO               0            0            0            0            0 
  IOCTRL_COUNTER_HANG_RSS_IO                602          602            0            0            0 
  IOCTRL_COUNTER_UNHANG_RSS_IO              511          511            0            0          0

System Response

The following table describes the parameter meanings.




Count of I/Os to the module.

Back Good

Count of I/Os for which a success message is returned.

Back Retry

Count of I/Os for which a retry message is returned.

Back Bad

Count of I/Os for which a failure message is returned.

Not Back

Count of I/Os for which no message is returned.


Count of blocked value-added I/Os.


Count of unblocked value-added I/Os.


Count of hanged value-added I/Os.


Count of unhanged value-added I/Os.

Updated: 2019-07-11

Document ID: EDOC1000181602

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