No relevant resource is found in the selected language.

This site uses cookies. By continuing to browse the site you are agreeing to our use of cookies. Read our privacy policy>Search

Reminder

To have a better experience, please upgrade your IE browser.

upgrade

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.
Rate and give feedback:
Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
cmm show req

cmm show req

Function

The cmm show req command is used to view basic information about memory partitions.

Format

cmm show req <addr>

cmm show req tofile <addr>

Parameters

Parameter

Description

Value

addr

REQ address.

The value is a hexadecimal number.

Views

Diagnostic view

Usage Guidelines

None

Example

  • View details about a specific REQ.
    admin:/diagnose>cmm show req ffff88011d5a78a8 
    req                   : 0xffff88011d5a78a8. 
    IOD delayTime         : 0 
    IOD iodQueueNode      : 0xffff88011d5a78a8 
    IOD iodQueueNode next : 0xdead000000100100 
    IOD iodQueueNode prev : 0xdead000000200200 
    IOD ioThreadid        : 255 
    IOD isInQueue         : 171 
    IOD pid               : 0 
    IOD pri               : 0 
    IOD type              : 0 
    IOD validFlag         : 0 
    opCode                : 0x0 
    volumeId              : 0xffffffffffffffff 
    objectId              : 0xffffffff 
    objectLba             : 0x0 
    length                : 0 
    result                : 0x0 
    ctrlFlag              : 0x0 
    sgl                   : 0x          (null) 
    remoteSgl             : 0x          (null) 
    bufOffsetNByte        : 0 
    priority              : 5 
    objectType            : 0 
    parent                : 0x          (null) 
    childList             : 0xffff88011d5a7920 
    childList next        : 0xffff88011d5a7920 
    childList prev        : 0xffff88011d5a7920 
    childNode             : 0xffff88011d5a7930 
    childNode next        : 0xdead000000100100 
    childNode prev        : 0xdead000000200200 
    notBackNum            : 0x0 
    childSum              : 0 
    parentSaveInfo        : 0x          (null) 
    onFlyProcess          : 0 
    ioSeiralNumber        : 0 
    ioStartTime           : 328023 
    stat                  : 0x0 
    readHit               : 0x0 
    readThroughTimes      : 0x0 
    nextReq               : 0x          (null) 
    producerPrivate 
    ffff88011d5a7948  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7958  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7968  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7978  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7988  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7998  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a79a8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a79b8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a79c8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a79d8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a79e8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a79f8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a08  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a18  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a28  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a38  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    consumerPrivate 
    ffff88011d5a7a48  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a58  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a68  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a78  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a88  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7a98  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7aa8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7ab8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7ac8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7ad8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7ae8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7af8  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7b08  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7b18  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7b28  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    ffff88011d5a7b38  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................| 
    Ops name       : cmm retry page request ops 
    Ops start      : retry_page_request_in_list+0x0/0x340 [cmm] 
    Ops done       :           (null) 
    Ops delete     :           (null) 
    Ops childDone  :           (null)
  • Print details about a specific REQ into the message file.
    admin:/diagnose>cmm show req tofile ffff88011d5a78a8

System Response

The following table describes the parameter meanings.

Parameter

Meaning

req

REQ address.

IOD delayTime

IOD timeout period.

IOD iodQueueNode

Node the IOD queue linked list.

IOD ioThreadid

ID of the IOD thread.

IOD isInQueue

Flag of whether the REQ is in the IOD queue.

IOD pid

ID of the module process.

opCode

I/O operation code.

objectId

ID of the accessed object.

objectLba

Start sector of the accessed object.

length

Count of sectors accessed.

result

REQ execution result.

parent

Parent REQ of the current REQ.

ioStartTime

Time when the REQ starts.

IOD pri

IOD priority.

IOD type

IOD type.

IOD validFlag

IOD validity check flag.

ctrlFlag

Control flag.

sgl

All local pages associated with the REQ.

remoteSgl

All image pages associated with the REQ.

bufOffsetNByte

Offset address that can be used by the REQ in SGL.

priority

I/O priority.

childNode

Node of the subnode linked list.

notBackNum

Count of child REQs that are not returned.

childSum

Total count of child REQs.

stat

Information transfer between drivers.

readHit

Hit flag.

nextReq

Next REQ.

readThroughTimes

Count of retries in read through.

parentSaveInfo

Private information saved by the parent REQ in the child REQ.

onFlyProcess

Flag of REQ processing status.

ioSeiralNumber

I/O SN of the REQ.

Translation
Download
Updated: 2019-07-12

Document ID: EDOC1000138381

Views: 725790

Downloads: 36

Average rating:
This Document Applies to these Products
Related Documents
Related Version
Share
Previous Next