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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 functionsand 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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fssnap show snap_dmn

fssnap show snap_dmn

Function

The fssnap show snap_dmn command is used to query DMN information about a snapshot.

Format

fssnap show snap_dmn snapObjsetId objId

Parameters

Parameter

Description

Value

snapObjsetId

Snapshot ID.

To obtain the value, run the "fssnap show ro base" command.

objId

Object ID.

The value ranges from 0 to 18446744073709551615.

Views

Diagnostic view

Usage Guidelines

None

Example

Query the DMN information about object "1" on snapshot "0x104000000001".

admin:/diagnose>fssnap show snap_dmn 0x104000000001 1 
  magicNum                   538118670 
  generateId                 0 
  dmnStatus                  NORMAL | SMALL OBJ | MICRO APO 
  objsetId                   0x104000000001 
  objectId                   1 
  objectType                 3 
  vaaiTimepoint              0 
  objectSize                 3072(BYTE) 
  objectBlkSize              8(SECTOR) 
  cacheNode               0xffff880ea32f7278 
  TreeMem                    0xffff880f9e208180

System Response

The following table describes the parameter meanings.

Parameter

Meaning

magicNum

Magic number.

generateId

Times of loading a file system.

dmnStatus

DMN status.

objsetId

Object set ID.

objectId

Object ID.

objectType

Object type.

vaaiTimepoint

Time point when a VVAI reserved object is created.

objectSize

Logical size of an object.

objectBlkSize

Block size of an object.

cacheNode

Memory address of a cache node recorded by DMN MGR.

TreeMem

Memory address of an object tree's root.

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Updated: 2019-07-12

Document ID: EDOC1000138389

Views: 486532

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