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Advanced O&M Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F V5. 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.

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ssdc show volCachedDataInfo

ssdc show volCachedDataInfo

Function

The ssdc show volCachedDataInfo command is used to query information about cache data blocks on an acceleration object.

Format

ssdc show volCachedDataInfo -p <ptId> -o <volumeId> [-b <objectId> -s <objLba> -l <len>]

Parameters

Parameter

Description

Value

-p ID of a partition.

-

ptId ID of a partition.

ID of a partition.

-o Specified volume.

-

volumeId Volume ID.

Volume ID.

-s Specified object Lba.

-

objLba Specified object Lba.

Specified object Lba.

-b Specified object ID.

-

objectId ID of an object.

ID of an object.

-l Specified length.

-

len data length.

data length.

Views

Diagnostic view

Usage Guidelines

OceanStor 18500 V5, 18500 V5 Kunpeng, 18800 V5 and 18800 V5 Kunpeng storage systems support this command.

Example

  • Query cache information about acceleration volume "1980" in partition "0".

    admin:/diagnose>ssdc show volCachedDataInfo -p 0 -o 2
      cachedInfo:         
      lunLba     :  0     len        :  8      ssdId      :  0      ssdLba     :  35808    
      lunLba     :  458544     len        :  8      ssdId      :  0      ssdLba     :  35160    
      lunLba     :  1445680     len        :  8      ssdId      :  0      ssdLba     :  35536    
      lunLba     :  1879256     len        :  8      ssdId      :  0      ssdLba     :  35576    
      lunLba     :  2829288     len        :  8      ssdId      :  0      ssdLba     :  35744    
      lunLba     :  13044248     len        :  8      ssdId      :  0      ssdLba     :  35128    
      lunLba     :  13655016     len        :  8      ssdId      :  0      ssdLba     :  35416    
      lunLba     :  14374320     len        :  8      ssdId      :  0      ssdLba     :  35336    
      lunLba     :  14620720     len        :  8      ssdId      :  0      ssdLba     :  35456    
      lunLba     :  14735656     len        :  8      ssdId      :  0      ssdLba     :  35352    
      lunLba     :  15599376     len        :  8      ssdId      :  0      ssdLba     :  35224    
      lunLba     :  16100344     len        :  8      ssdId      :  0      ssdLba     :  35440    
      lunLba     :  16684296     len        :  8      ssdId      :  0      ssdLba     :  35448    
      lunLba     :  16731344     len        :  8      ssdId      :  0      ssdLba     :  35360    
      lunLba     :  17205976     len        :  8      ssdId      :  0      ssdLba     :  35288    
      lunLba     :  19403744     len        :  8      ssdId      :  0      ssdLba     :  35672    
      lunLba     :  19413904     len        :  8      ssdId      :  0      ssdLba     :  35664    
      lunLba     :  19695424     len        :  8      ssdId      :  0      ssdLba     :  35736    
      lunLba     :  20773360     len        :  8      ssdId      :  0      ssdLba     :  35408 
  • Query cache information about acceleration object "0" on volume "1980" in partition "0" in the zone whose IBA is 0 sectors and length is 120 sectors.

     
    admin:/diagnose>ssdc show volCachedDataInfo -p 0 -o 2 -b 0 -s 0 -l 120
      cachedInfo:         
      lunLba     :  0     len        :  8      ssdId      :  0      ssdLba     :  35808
     

System Response

The following table describes the parameter meanings.

Parameter

Meaning

lunLba

Lba of cache data blocks in a LUN.

len

Length of a cache data block.

ssdIba

Lba of the SSD where a cache data block resides.

ssdId

ID of the SSD where a cache data block resides.

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Updated: 2020-01-17

Document ID: EDOC1000181602

Views: 758366

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