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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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drvsascbb showrsc

drvsascbb showrsc


The drvsascbb showrsc command is used to query the chip resource usage.


drvsascbb showrsc port_id=?





port_id=? Port ID of a SAS interface module.

To obtain the value, run "drvsascbb showdevinfo".


Diagnostic view

Usage Guidelines



Query the chip I/O usage.

admin:/diagnose>drvsascbb showrsc port_id=0x1f8800
----------------------------show IO and Dev Num------------------------------------------------
Card:8 config support max IO num:4096, active:0 , residual:4096
Current send io:0,response io:0,eh io:0 
Card:8 config support max Dev num:2048, used:31, residual:2017
Card:8 Free LL req:8192, Free Sgl page:512, Active sgl page:0

System Response

The following table describes the parameter meanings.




Slot ID of a SAS interface module.

config support max IO num

Max. number of I/Os that can be configured.


Number of I/Os that are in active state.


Number of remaining I/Os.

Current Send io

Number of I/Os that are sent.

response io

Number of I/Os that are returned.

eh io

Number of exceptional I/Os.

Config support max dev num

Max. number of devices that can be configured.


Number of SAS devices that are connected.


Number of available devices.

Free LL req

Number of available I/Os that can be used by a driver.

Free sgl page

Quantity of SGL resources that can be used by a driver.

Active sgl page

Quantity of SGL resources that is being used by a driver.

Updated: 2020-01-17

Document ID: EDOC1000181575

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