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Command Reference 10

OceanStor 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3 Storage System V300R003

"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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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 2048 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.The cumulative count of I/Os                          
28.The cumulative count of data transferred in Kbytes    
29.The cumulative count of all writes                    
30.The cumulative count of data written in Kbytes
Input item(s) number seperated by comma:0
  Max. Bandwidth(MB/s) : 0

System Response

None

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Updated: 2019-04-04

Document ID: EDOC1000084195

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