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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 grain_extent_queue

show space grain_extent_queue


The show space grain_extent_queue command is used to query information about extent queue.


show space grain_extent_queue file_system_id=? controller=?






File system ID.

To obtain the value, run the "show file_system general" command.


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 information about extent queue.

developer:/>show space grain_extent_queue file_system_id=1 controller=0B 
Queue Type Active Head Current Head Active Tail Current Tail Item Number Free Space 
---------- ----------- ------------ ----------- ------------ -------- ---------- 
Data Alloc 0 0 16 16 16 495 
Meta Alloc 10 10 22 22 12 499 
Data FREE 0 0 0 0 0 511 
Meta FREE 0 0 0 0 0 511

System Response

The following table describes the parameter meanings.



Queue Type

Queue type.

Active Head

Valid queue head.

Current Head

Current queue head.

Active Tail

Valid queue tail.

Current Tail

Current queue tail.

Item Number

Number of queue elements.

Free Space

Free queue space.

Updated: 2019-07-12

Document ID: EDOC1000138402

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