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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.

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show space grain_extent_count

show space grain_extent_count


The show space grain command is used to query information about extent distributive and released.


show space grain_extent_count file_system_id=? controller=?





file_system_id=? File system ID.

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

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.


Query information about extent distributive and released.

developer:/>show space grain_extent_count file_system_id=1 controller=0B
Queue Type Alloc From SPA Alloc To Grain(Current/Active) Free To SPA Get From Grain(Current/Active)
---------- -------------- ------------------------------ ----------- ------------------------------
Data Alloc 16 0/0 0
Meta Alloc 22 10/10 0
Data FREE 22 10/10 0 0/0
Meta FREE 22 10/10 0 0/0

System Response

The following table describes the parameter meanings.



Queue Type

Queue type.

Alloc From SPA

Count of extents obtained by the queue from SPA.

Alloc To Grain(Current/Active)

Count of extents allocated by the queue to grain (current/valid).

Free To SPA

Count of extents released by the queue to SPA.

Get From Grain(Current/Active)

Count of extents received by the queue from grain (current/valid).

Updated: 2020-01-17

Document ID: EDOC1000181575

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