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Advanced O&M Command Reference

OceanStor 18000 and 18000F V5 Series V500R007

This document is applicable to OceanStor 18500 V5, 18800 V5, 18500F V5, and 18800F 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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xnet showresend

xnet showresend

Function

The xnet showresend command is used to query the retransmission information about network messages on each connection.

Format

xnet showresend -c [idx] -n [nid] -usermode

Parameters

Parameter

Description

Value

idx Instance number.

-

nid Peer node number.

-

usermode This parameter is mandatory. It must be added to the end of a command as a suffix to query user state information.

The value can be:

  • "-app_data": executes the command for the app_data process.
  • "-devm": executes the command for the devm process.
  • "-sys_app": executes the command for the sys_app process.
  • "-cfg_app": executes the command for the cfg_app process.

Views

Diagnostic view

Usage Guidelines

OceanStor 18500 V5 Kunpeng, 18500F V5 Kunpeng, 18800 V5 Kunpeng and 18800F V5 Kunpeng storage systems support this command.

Example

Query the retransmission information about network messages on each connection between instance "3" and node "0".

admin:/diagnose>xnet showresend -c 3 -n 786432 -app_data
--------------------------------------------------------------------------------------------------------------------------------------------------------
conn            dst_nid             point type   farm  status      local_seq   peer_seq    flag send(s)   ack(s)    recv(s)   send(l)   ack(l)    recv(l)   
--------------------------------------------------------------------------------------------------------------------------------------------------------
0xfffe7ca120c0  0xc0000             1     server roce  working     3a1d88ed    589c7ad8    0:0  168       167       167       1         0         0         
0xfffe7ca0a480  0xc0000             2307  client roce  working     3a1d88ae    589c7b2b    0:0  163       162       162       1         0         0         
0xfffe7ca09280  0xc0000             2306  client roce  working     3a1d88ad    589c7b23    0:0  168       167       167       1         0         0         
0xfffe7ca16800  0xc0000             3     server roce  working     3a1d88f1    589c7ada    0:0  163       162       162       1         0         0         
0xfffe7ca132c0  0xc0000             2     server roce  working     3a1d88ee    589c7ad9    0:0  168       167       167       1         0         0         
0xfffe7ca0b640  0xc0000             2308  client roce  working     3a1d88af    589c7b2c    0:0  163       162       162       1         0         0         
0xfffe7ca15640  0xc0000             4     server roce  working     3a1d88f0    589c7adb    0:0  163       162       162       1         0         0         
0xfffe7ca080c0  0xc0000             2305  client roce  working     3a1d88ac    589c7b22    0:0  168       167       167       1         0         0         
--------------------------------------------------------------------------------------------------------------------------------------------------------

System Response

The following table describes the parameter meanings.

Parameter

Meaning

conn

Connection pointer.

dst_nid

Peer node number.

point

Unique ID of a connection.

type

Connection service type.

farm

Protocol type.

status

Connection status.

local_seq

Sequence number pair of a local network connection.

peer_seq

Sequence number pair of a peer network connection.

flag

Local and peer retransmission flags.

send(s)

Count of sent small I/Os.

ack(s)

Count of received ACK messages of small I/Os.

recv(s)

Count of received responses of small I/Os.

send(l)

Count of sent large I/Os.

ack(l)

Count of received ACK messages of large I/Os.

recv(l)

Count of received responses of large I/Os.

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Updated: 2020-01-17

Document ID: EDOC1000181602

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