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Command Reference for Block

OceanStor Dorado V3 Series V300R002

This document is applicable to OceanStor Dorado3000 V3, Dorado5000 V3, Dorado6000 V3 and Dorado18000 V3. Based on the CLI provided by the DeviceManager, 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.
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show performance storage_pool

show performance storage_pool

Function

The show performance storage_pool command is used to query the performance statistics on a storage pool. Run this command to analyze the performance statistics on a storage pool in real time.

Format

show performance storage_pool pool_id=?

show performance storage_pool pool_id_list=?

Parameters

Parameter

Description

Value

pool_id=?

ID of a storage pool on which you want to query performance statistics.

To obtain the value, run "show storage_pool general".

pool_id_list=?

ID list of storage pools on which you want to query performance statistics.

  • To obtain the value, run "show storage_pool general".
  • Separate the IDs of storage pool with commas (,).

Level

Guest

Usage Guidelines

  • You will be prompted with optional performance statistics categories upon running this command. In this condition, typing a number or multiple numbers (separated by commas) for the selected categories and pressing "Enter" display the performance statistics for those categories.
  • 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 performance statistics on the read I/Os for storage pool "0".

admin:/>show performance storage_pool pool_id=0 
0.Usage Ratio(%) 
1.Queue Length 
2.Bandwidth(MB/s) / Block Bandwidth(MB/s) 
3.Throughput(IOPS)(IO/s) 
4.Read Bandwidth(MB/s) 
5.Average Read I/O Size(KB) 
6.Read Throughput(IOPS)(IO/s) 
7.Write Bandwidth(MB/s) 
8.Average Write I/O Size(KB) 
9.Write Throughput(IOPS)(IO/s) 
10.Service Time(Excluding Queue Time)(ms) 
11.Read I/O Granularity Distribution: [0K,1K)(%) 
12.Read I/O Granularity Distribution: [1K,2K)(%) 
13.Read I/O Granularity Distribution: [2K,4K)(%) 
14.Read I/O Granularity Distribution: [4K,8K)(%) 
15.Read I/O Granularity Distribution: [8K,16K)(%) 
16.Read I/O Granularity Distribution: [16K,32K)(%) 
17.Read I/O Granularity Distribution: [32K,64K)(%) 
18.Read I/O Granularity Distribution: [64K,128K)(%) 
19.Read I/O Granularity Distribution: [128K,256K)(%) 
20.Read I/O Granularity Distribution: [256K,512K)(%) 
21.Read I/O Granularity Distribution: >= 512K(%) 
22.Write I/O Granularity Distribution: [0K,1K)(%) 
23.Write I/O Granularity Distribution: [1K,2K)(%) 
24.Write I/O Granularity Distribution: [2K,4K)(%) 
25.Write I/O Granularity Distribution: [4K,8K)(%) 
26.Write I/O Granularity Distribution: [8K,16K)(%) 
27.Write I/O Granularity Distribution: [16K,32K)(%) 
28.Write I/O Granularity Distribution: [32K,64K)(%) 
29.Write I/O Granularity Distribution: [64K,128K)(%) 
30.Write I/O Granularity Distribution: [128K,256K)(%) 
31.Write I/O Granularity Distribution: [256K,512K)(%) 
32.Write I/O Granularity Distribution: >= 512K(%) 
33.Average I/O Latency(ms) 
34.Max. I/O Latency(ms) 
35.Average Read I/O Latency(ms) 
36.Average Write I/O Latency(ms) 
37.Average IO Size 
38.BE Reqs/sec 
39.BE Read Reqs/sec 
40.BE Write Reqs/sec 
41.BE MBs transferred/sec 
42.BE MBs Read/sec 
43.BE MBs Written/sec 
44.% Read 
45.% Write 
46.BE Read Response Time(ms) 
47.BE Write Response Time(ms) 
48.BE Avg Response Time(ms) 
49.BE % Reads 
50.BE % Writes 
51.Average I/O Latency(us) 
52.Max. I/O Latency(us) 
53.Average Read I/O Latency(us) 
54.Average Write I/O Latency(us) 
Input item(s) number separated by comma:7 
  Write Bandwidth (MB/s) : 16

System Response

None

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Updated: 2019-07-16

Document ID: EDOC1100049140

Views: 114044

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