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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F 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 bg

ssdc show bg

Function

The ssdc show bg command is used to query the reclamation information in the background of the controller where SmartCache resides.

Format

ssdc show bg {-o|-d}

Parameters

Parameter

Description

Value

-o

All objects.

-

-d

All disks in the controller pool.

-

Views

Diagnostic view

Usage Guidelines

OceanStor 5500 V5 Elite/5110 V5/5500 V5/5800 V5/6800 V5/5600 V5/5300 V5 storage systems support this command.

Example

  • Query accelerated object's reclamation information in the background of the controller.
    admin:/diagnose>ssdc show bg -o 
    |subPtId| volumeId| cachedCap| maxUsedCap| traceId| totalReadIoNum| hitReadIoNum|totalWriteIoNum|totalCoverWriteIoNum|totalReadRTIoNum| hitReadRTIoNum| 
     
  • Query SSD's reclamation information in the background of the controller.
     admin:/diagnose>ssdc show bg -d 
    |ssdId |subPtId | allocExtNum| freeExtNum| usedExtNum| 
     

System Response

The following table describes the parameter meanings.

Parameter

Meaning

subPtId

ID of a sub-partition.

totalReadIoNum

All read I/O counts of an acceleration object.

traceId

I/O trace ID of an acceleration object.

maxUsedCap

Maximum cache capacity of an acceleration object.

usedExtNum

Number of extents that are in use.

freeExtNum

Free extents number.

allocExtNum

Number of extents that have been allocated.

ssdId

ID of a SSD disk.

hitReadRTIoNum

Real-time read I/O hit counts of an acceleration object.

totalReadRTIoNum

Total real-time read I/O counts of an acceleration object.

totalCoverWriteIoNum

All cover write I/O counts of an acceleration object.

totalWriteIoNum

All write I/O counts of an acceleration object.

hitReadIoNum

Read I/O hit counts of an acceleration object.

cachedCap

Cached capacity of an acceleration object.

volumeId

ID of a volume that is added to a partition.

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Updated: 2019-07-11

Document ID: EDOC1000181619

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