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Advanced O&M Command Reference

OceanStor 2000, 5000, and 6000 V3 Series V300R006

This document is applicable to OceanStor 2200 V3, 2600 V3 Video Surveillance Edition, 2600 V3, 5300 V3, 5500 V3, 5600 V3, 5800 V3, and 6800 V3. 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 space global_config

show space global_config

Function

The show space global_config command is used to query global configurations of the space.

Format

show space global_config { field=? | show_type=? }

Parameters

Parameter

Description

Value

field=?

Configuration type.

The value can be "global_cfg_bonus_cache_num", "global_cfg_switch_lun_num", or "global_cfg_display_controller_enable", where:

  • "global_cfg_bonus_cache_num": bonus cache.
  • "global_cfg_switch_lun_num": number of concurrent LUN controller modifications.
  • "global_cfg_display_controller_enable": switch of displaying information about a LUN's working controller and owning controller.

show_type=?

Display type.

The value is "all", which is used to query all of the global variables.

Views

Developer view

Usage Guidelines

None

Example

  • Query global variables.
    developer:/>show space global_config 
      Name                         Value   
      ---------------------------  ----- 
    Space Global Bonus Cache Num  20000 
    Space Global Switch LUN Num 20
  • Query all of the global variables.
    developer:/>show space global_config show_type=all 
      Bonus Cache Num                         : 80000000  
      Switch LUN Num                          : 100       
      Thin Alloc Min Capacity(Sector)         : 41943040  
      Thin Alloc Max Capacity(Sector)         : 104857600  
      Display Controller Enable               : On        
      Defrag Action                           : Start     
      Defrag All LUN                          : Yes       
      Defrag Start Time                       : 00:00     
      Defrag Duration                         : 24:00     
      Defrag Threshold(Sector)                : 31457280  
      Defrag Grain Num                        : 16        
      Access Snapshot Enable                  : Yes       
      Alternate Data Streams Enable           : Yes       
      Pool Overcommit Alarm Enable            : No        
      Unmap Overload Control High Water Level : 70      
      Unmap Overload Control Low Water Level  : 40        
      Maximum Unmap Delay Time(ms)            : 500       
      Unmap Overload Control Switch           : Off       
      Data Preread Enable                     : No        
      Maximum Preread Number                  : 2000      
      Dir Size Mode Enable                    : No        
      Fill Zero Switch                        : Off       
      Check Slow LUN Switch                   : On        
      Check Slow File System Switch           : On        
      Async Delete Optimization Enable        : No        
      WORM Scan File System Number            : 16        
      WORM Scan File Number                   : 100       
      Space Exhaustion Protection Enable      : No        
      I/O Timeout Failover Enable             : Yes       
      Max Async Delete Task Num               : 16 
      Meta Reserve Percent(%)                 : 0 
      Dir Qtree Enable                        : No

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Name

Name of a configuration item.

Value

Configured value.

Thin Alloc Min Capacity(Sector)

Minimum value for the thin LUN space allocation policy (sector).

Thin Alloc Max Capacity(Sector)

Maximum value for the thin LUN space allocation policy (sector).

Display Controller Enable

Switch of displaying a LUN's working controller and owning controller.

Defrag Action

Thin LUN space defrag action.

Defrag All LUN

Whether to defrag all thin LUNs.

Defrag Start Time

Start time of thin LUN space defrag.

Defrag Duration

Duration of thin LUN space defrag.

Defrag Threshold(Sector)

Threshold of thin LUN space defrag (sector).

Defrag Grain Num

Number of defragged grains in each thin LUN space defragment.

Access Snapshot Enable

Whether the function that any directory can access snapshots is supported.

Alternate Data Streams Enable

Whether the alternate data streams function is supported.

Pool Overcommit Alarm Enable

Whether an alarm is generated when the total subscribed capacity of file systems in a storage pool exceeds the storage pool capacity.

Unmap Overload Control High Water Level

High water level of LUN possession.

Unmap Overload Control Low Water Level

Low water level of LUN possession.

Maximum Unmap Delay Time(ms)

Maximum delay of the unmap command.

Unmap Overload Control Switch

Switch for the unmap command overload control.

Dir Size Mode Enable

Control switch of the directory attribute.

Data Preread Enable

Whether the file system preread function is supported.

Maximum Preread Number

Maximum number of concurrent preread tasks in all file systems.

Fill Zero Switch

Switch for filling the page with zero when CRC or BST errors occur in reading I/Os.

Check Slow LUN Switch

Switch of detecting LUNs that have long processing latency.

Check Slow File System Switch

Switch of detecting file systems that have long processing latency.

Async Delete Optimization Enable

Switch of optimizing the asynchronous deletion function.

Switch LUN Num

Number of concurrent LUN controller modifications.

Bonus Cache Num

Bonus cache.

WORM Scan File System Number

Number of WORM file systems concurrently scanned in the background.

WORM Scan File Number

Number of files scanned by a single WORM file system.

Space Exhaustion Protection Enable

Switch of space exhaustion protection for file systems.

I/O Timeout Failover Enable

Failover switch for the I/O timeout.

Max Async Delete Task Num

Maximum number of asynchronous deletion tasks.

Meta Reserve Percent(%)

Percentage of reserved metadata space for file systems.

Dir Qtree Enable

Directory quota tree switch.

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Updated: 2019-07-12

Document ID: EDOC1000138402

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