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Advanced O&M Command Reference

OceanStor 18000 V3 Series V300R006

This document is applicable to OceanStor 18500 V3 and 18800 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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grain showFillPolicy

grain showFillPolicy

Function

The grain showFillPolicy command is used to display the return policy of the merge tree.

Format

grain showFillPolicy fsid

Parameters

Parameter

Description

Value

fsid

File system ID.

To obtain the value, run the "show file_system general" command.

Views

Diagnostic view

Usage Guidelines

None

Example

Displays the return policy of the merge tree.

admin:/diagnose>grain showFillPolicy 1     
Meta curr fill policy: 1         
Meta last fill policy: 1         
Meta curr through flag: 0         
Meta last through flag: 0         
Meta first load:          0         
Meta last alg out(byte):  921600          
Meta last tx used(byte):  921600       
Meta last max alloc(byte):4096        
Meta last merge tree out(byte):  0                 
Meta last tx merge tree out(byte):  0      
Meta alloc from spa flag: 0         
Meta history alloc from spa flag: 0x2      
Meta small tree manual set bitmap item num:0 
Meta small tree start num:1280        
Meta small tree end num:  3840        
Meta percent:             0         
Data curr fill policy:  1         
Data last fill policy:  1         
Data curr through flag: 0           
Data last through flag: 0         
Data first load:        0           
Data last alg out(byte):0         
Data last tx used(byte):0         
Data last max alloc(byte):4096        
Data last merge tree out(byte):  0       
Data last tx merge tree out(byte):  0      
Data alloc from spa flag: 0         
Data history alloc from spa flag: 0x0      
Data small tree manual set bitmap item num:0 
Data small tree start num:25600        
Data small tree end num:  76800        
Data percent:             0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Meta curr fill policy

Allocation policy of the current transaction.

Meta last fill policy

Allocation policy of the last transaction.

Meta curr through flag

Write through flag of the current transaction.

Meta last through flag

Write through flag of the last transaction.

Meta first load

Indicates whether the metadata is loaded for the first time.

Meta last alg out(byte)

Utilized space (expressed in bytes) of the allocation tree for the last transaction.

Meta last tx used(byte)

Utilized space (expressed in bytes) of the last transaction.

Meta last max alloc(byte):4096

Space that needs to be returned for the last transaction.

Meta last merge tree out(byte)

Total space (expressed in bytes) removed from the merge tree to the allocation tree during the last transaction.

Meta last tx merge tree out(byte)

Space (expressed in bytes) removed from the merge tree to the allocation tree.

Meta alloc from spa flag

Determines whether space is allocated from spa.

Meta history alloc from spa flag

Indicates whether space is allocated from spa and returned during space adjustment for the 64 transactions in the flag history.

Meta small tree manual set bitmap item num

Manually sets startBitMapItemNum and endBitmapItemNum, not calculated by the file system capacity.

Meta small tree start num

Initial number of items on the bitmap B-tree with the middle strategy.

Meta small tree end num

Final number of items on the bitmap B-tree with the middle strategy.

Data curr fill policy

Allocation policy of the current transaction.

Data last fill policy

Allocation policy of the last transaction.

Data curr through flag

Write through flag of the current transaction.

Data last through flag

Write through flag of the last transaction.

Data first load

Indicates whether the data is loaded for the first time.

Data last alg out(byte)

Utilized space (expressed in bytes) of the allocation tree for the last transaction.

Data last tx used(byte)

Utilized space (expressed in bytes) of the last transaction.

Data last max alloc(byte)

Space that needs to be returned for the last transaction.

Data last merge tree out(byte)

Total space (expressed in bytes) removed from the merge tree to the allocation tree during the last transaction.

Data last tx merge tree out(byte)

Space (expressed in bytes) removed from the merge tree to the allocation tree.

Data alloc from spa flag

Determines whether space is allocated from spa.

Data history alloc from spa flag

Indicates whether space is allocated from spa and returned during space adjustment for the 64 transactions in the flag history.

Data small tree manual set bitmap item num

Manually sets startBitMapItemNum and endBitmapItemNum, not calculated by the file system capacity.

Data small tree start num

Initial number of items on the bitmap B-tree with the middle strategy.

Data small tree end num

Final number of items on the bitmap B-tree with the middle strategy.

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Updated: 2019-07-12

Document ID: EDOC1000138389

Views: 498192

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