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Advanced O&M Command Reference

OceanStor 2000, 5000, and 6000 V3 Series V300R006

This document is applicable to OceanStor 2200 V3, 2600 V3 Video Surveillance Edition, 2600 V3, 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3. 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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show space flow_io

show space flow_io


The show space flow_control command is used to query flow control IO statistics.


show space flow_io controller=?






Controller ID.

The value is in the format of "XA" or "XB" or "XC" or "XD", where the "X" is an integer ranging from 0 to 3, for example: "0A", "1C".


Developer view

Usage Guidelines

Before running this command, check whether the working controller ID of the file system is correct.

OceanStor 6800 V3/2200 V3/2600 V3/5300 V3/5500 V3/5600 V3/5800 V3 storage systems support this command.


Query IO statistics detected by flow control.

developer:/>show space flow_io controller=0B 
Name Count Goodback Badback 
-------------- ----- -------- ------- 
Phase1 0 0 0 
Phase2 0 0 0 
Phase4 0 0 0 
CheckDmn 0 0 0 
Event 0 0 0 
Free Arrive 0 0 0 
Max Arrive 0 0 0 
CacheLe Arrive 0 0 0 
MetaPer Arrive 0 0 0

System Response

The following table describes the parameter meanings.




Item name.


I/O count.


Normal callback count.


Count of I/Os that are not returned.

Updated: 2019-07-12

Document ID: EDOC1000138402

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