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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 showMergeBigTreeItem

grain showMergeBigTreeItem

Function

The grain showMergeBigTreeItem command is used to view bitmap information about large blocks on a merging tree.

Format

grain showMergeBigTreeItem file_system_id type start_extent_id

Parameters

Parameter

Description

Value
file_system_id File system ID.

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

The value can be "0" or "1", where:

  • "0": metadata.
  • "1": data.
start_extent_id Start extent ID.

The value is a hexadecimal number in the format of "0X". You can enter "0".

Views

Diagnostic view

Usage Guidelines

This command is applicable only to the local controller.

Example

View bitmap information about large blocks on the merging tree of file system "0".

admin:/diagnose>grain showMergeBigTreeItem 0 0 0 
ExtentId : 0x40004000101a
Bitmap   :
           0:0000000000000000
           1:0000100000000000

System Response

The following table describes the parameter meanings.

Parameter

Meaning
ExtentId

Extent ID.
Bitmap

Bitmap information.
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Updated: 2020-03-19

Document ID: EDOC1000181575

Views: 778520

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