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Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. Based on the CLI provided by the DeviceManager, this document describes how to use variouscommands classified by functions and how to set the CLI and manage the storage system throughthese 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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show performance link

show performance link

Function

The show performance link command is used to query the performance statistics on links. If you want to analyze the real-time performance statistics on links, run this command.

Format

show performance link link_id=?

show performance link link_id_list=?

Parameters

Parameter

Description

Value

link_id=?

ID of the link whose performance statistics you need to collect.

To obtain the value, run "show remote_device link".

link_id_list=?

ID list of links whose performance statistics you need to collect.

  • To obtain the value, run "show remote_device link".
  • Separate the link IDs with commas (,) or hyphens (-).
  • A maximum of 50 IDs are allowed.

Level

Guest

Usage Guidelines

  • After this command is executed, performance data categories are displayed. You can enter the serial number before a category and press "Enter" to view the category of data. You can enter multiple serial numbers and use commas (,) to separate them.
  • Performance statistics will be updated in real time.
  • Typing "q" on the command line interface (CLI) exits the active performance statistics display.

Example

Query the read I/Os of link "0".

admin:/>show performance link link_id=0 
0.Max. Bandwidth(MB/s)                                    
1.Usage Ratio(%)                                          
2.Queue Length                                            
3.Bandwidth(MB/s) / Block Bandwidth(MB/s)                 
4.Throughput(IOPS)(IO/s)                                  
5.Read Bandwidth(MB/s)                                    
6.Average Read I/O Size(KB)                               
7.Read Throughput(IOPS)(IO/s)                             
8.Write Bandwidth(MB/s)                                   
9.Average Write I/O Size(KB)                              
10.Write Throughput(IOPS)(IO/s)                           
11.Service Time(Excluding Queue Time)(ms)                 
12.Average I/O Latency(ms)                                
13.Max. I/O Latency(ms)                                   
14.Average Read I/O Latency(ms)                           
15.Average Write I/O Latency(ms)                          
16.Average IO Size                                        
17.% Read                                              
18.% Write                                                
19.Max IOPS(IO/s)                                         
20.Failed IOs                                             
21.Failed IOs/sec                                         
22.Failed IO Ratio(%)                                     
23.Average I/O Latency(us)                                
24.Max. I/O Latency(us)                                   
25.Average Read I/O Latency(us)                           
26.Average Write I/O Latency(us)                        
27.Total Bandwidth                                        
28.Receiving bandwidth for replication (MB/s)             
29.Sending bandwidth for replication (MB/s)               
30.The cumulative count of I/Os                         
31.The cumulative count of data transferred in Kbytes     
32.The cumulative count of all writes                     
33.The cumulative count of data written in Kbytes 
Input item(s) number separated by comma:0 
  Max. Bandwidth(MB/s) : 0

System Response

None

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Updated: 2019-07-12

Document ID: EDOC1000138382

Views: 310866

Downloads: 38

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