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Advanced O&M Command Reference

OceanStor 2800 V3 V300R006

This document is applicable to OceanStor 2800 V3. 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. 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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devlun showwritealloclist

devlun showwritealloclist

Function

The devlun showwritealloclist command is used to view the REQ information in the capacityon- write linked list of all LUNs or a specific LUN.

Format

devlun showwritealloclist [ lunid num | lunid ]

Parameters

Parameter

Description

Value

lunid

LUN ID.

The value ranges from 0 to n

minus one. n indicates the

maximum number of LUNs.

num

Information about num LUNs after a LUN ID.

LUN ID plus num is less than

n minus one, where n

indicates the maximum

number of LUNs supported

by a product.

Views

Diagnostic view

Usage Guidelines

None

Example

  • View the counts of REQs in the capacity-on-write linked list of all LUNs.
    admin:/diagnose>devlun showwritealloclist 
    lunid count 
    ----- ----- 
    0 0 
    1 0 
    2 2
  • View the counts of REQs in the capacity-on-write linked list of num LUNs after a LUN ID.
    admin:/diagnose>devlun showwritealloclist 0 2 
    lunid count 
    ----- ----- 
    0 0 
    1 0
  • View the count of REQs in the capacity-on-write linked list of a LUN.
    admin:/diagnose>devlun showwritealloclist 0 
    Req info in write alloc list: 
    lunid index opcode LBA length ctrl id 
    ----- ----- ------ --- ------ -------

System Response

The following table describes the parameter meanings.

Parameter

Meaning

lunId

LUN ID.

count

Count of REQs in the capacity-on-write

linked list of the LUN.

index

Count of REQs in the capacity-on-write

linked list of the LUN.

opcode

I/O operation code.

LBA

Start address of REQ access.

length

Address length of REQ access.

ctrl id

ID of the controller for I/O sending.

Translation
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Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 660004

Downloads: 36

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