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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 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 pal file_system_event

show pal file_system_event

Function

The show pal file_system_event command is used to query information about space file system events.

Format

show pal file_system_event type=? [ type_id=? ]

Parameters

Parameter

Description

Value

type=?

Event type.

The value can be "table","type" and "record", where:

  • "table": queries event entry information.
  • "type": queries information based on the event type.
  • "record": queries all event trace information.

type_id=?

ID of the event type.

When the value of "type" is "table", do not configure "type_id". When the value of "type" is "type" or "record", the type ID is displayed in the information printed.

Views

Developer view

Usage Guidelines

None

Example

  • Query information about I/O events of a file system.
    developer:/>show pal file_system_event type=table 
                   
    Address: 0xffffffffaaa1e7c0 
    Type                                    Type ID             Count                
    FS_EVENT_OVERLOAD                       1                   1                    
    FS_EVENT_HANG_IO                        2                   2                    
    FS_EVENT_BLOCK_IO                       3                   2                    
    FS_EVENT_UNHANG_IO                      4                   2                    
    FS_EVENT_UNBLOCK_IO                     5                   2                    
    FS_EVENT_STOP_IO                        6                   0                    
    FS_EVENT_START_IO                       7                   0
  • Query information about I/O event "2" of a file system.
    developer:/>show pal file_system_event type=type type_id=2 
    Type: FS_EVENT_HANG_IO 
    HandleFunc              Pid         Reference Count 
    ffffffffa9afa090        301         1            
    ffffffffa6d080e0        98          1            
    Total Event Count: 2
  • Query information about I/O event record "2" of a file system.
    developer:/>show pal file_system_event type=record type_id=2 
    Type: FS_EVENT_HANG_IO 
    Record Count: 0 
    Trigger Pid Trigger Key Fs id Pid Result Begin End 

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Type

Event type.

Type ID

Event ID.

Count

Count of event observers.

HandleFunc

Function of event handling handles.

Pid

Module ID.

Reference Count

Count of references.

Trigger Pid

Module ID of the initiator.

Trigger Key

Key of the initiator.

Fs id

File system ID.

Result

Result of the current event type.

Begin

Time when command delivery starts.

End

Time when command delivery ends.

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Updated: 2019-07-11

Document ID: EDOC1000181602

Views: 628281

Downloads: 55

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