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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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grain showNodeAlgInfo

grain showNodeAlgInfo


The grain showNodeAlgInfo command is used to view a node allocator.


grain showNodeAlgInfo file_system_id





file_system_id File system ID.

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


Diagnostic view

Usage Guidelines

This command is applicable only to the local controller.


View the node allocator of file system "0".

admin:/diagnose>grain showNodeAlgInfo 0
remain block num         :0
remain node num          :61
total alloc node num     :1091
block queue head         :0
block queue tail         :0
block queue num          :32
node queue head          :189
node queue tail          :128
node queue num           :256

System Response

The following table describes the parameter meanings.



remain block num

Number of remaining blocks in the large block queue.

remain node num

Number of remaining blocks in the small block queue.

total alloc node num

Number of allocated nodes.

block queue head

Head of the large block queue.

block queue tail

Tail of the large block queue.

block queue num

Maximum number of blocks in the large block queue.

node queue head

Head of the node queue.

node queue tail

Tail of the node queue.

node queue num

Maximum number of nodes in the node queue.

Updated: 2020-01-17

Document ID: EDOC1000181575

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