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Advanced O&M Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 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

Function

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

Format

show space flow_io controller=?

Parameters

Parameter

Description

Value

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".

Views

Developer view

Usage Guidelines

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

Example

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.

Parameter

Meaning

Name

Item name.

Count

I/O count.

Goodback

Normal callback count.

Badback

Count of I/Os that are not returned.

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Updated: 2019-07-12

Document ID: EDOC1000138389

Views: 499572

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