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Advanced O&M Command Reference

OceanStor 5000, 5000F, 6000, and 6000F V5 Series V500R007

This document is applicable to OceanStor 5110 V5, 5110F V5, 5300 V5, 5500 V5, 5600 V5, 5800 V5, 6800 V5, 5300F V5, 5500F V5, 5600F V5, 5800F V5, and 6800F V5. 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.
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extent showdrasort

extent showdrasort

Function

The extent showdrasort command is used to view sorting information in distribution analysis of user pools.

Format

extent showdrasort [ userpoolId | userpoolId num ]

Parameters

Parameter

Description

Value

userpoolId

User pool ID.

The value ranges from 0 to n minus one. n indicates the

maximum number of storage pools.

num

Information about num user pools after a user pool ID.

User pool ID plus num is less than n minus one, where n

indicates the maximum number of storage pools supported by a product.

Views

Diagnostic view

Usage Guidelines

None

Example

View sorting information in distribution analysis of user pools.

admin:/diagnose>extent showdrasort 0 
Tier Type Items        Explanatory Note            
---------------        ----------------            
T0(Tier0)              SSD tier                    
T1(Tier1)              SAS tier                    
T2(Tier2)              NearLine_SAS tier           

Alloc RB node number                   : 0 
      T0->T1     T0->T2     T1->T0     T1->T2     T2->T0     T2->T1     Highest Lowest 
      ------     ------     ------     ------     ------     ------     ------- ------ 
max 0          0          0          0          0          0          0          0          
real  0          0          0          0          0          0          0          0          

DstObj need high extent number         : 0 
DstObj need low extent number          : 0 
              Iom Cool Need Cool  Need Iom Cool  Need Spa Cool  Got Iom Cool  Got SPA Cool 
              -------- ---------  -------------  -------------  ------------  ------------ 
SSD           0           0          0              0              0             0            
SAS           0           0          0              0              0             0            
NearLine_SAS  0           0          0              0           0             0            

              Total      NoMigr     High       Low        Auto       Free       CanAuto NoMigrExe  HighExe LowExe     AutoExe 
              -----      ------     ----       ---        ----       ----       ------- ---------  ------- ------     ------- 
SSD           0          0          0          0          0          0          0          0          0          0          0          
SAS           0          0          0          0          0          0          0          267        0          0          0          
NearLine_SAS  0          0          0          0          0          0          0          0          0          0          0          

             Down          Up 
             ----       -- 
SSD          0             -- 
SAS          0             0      
NearLine_SAS --            0      

      Th            ThH           ThL        ThFilH        ThFilL  
      --            ---           ---        ------        ------  
Seq 0             0             0             0               0             
Ran 0             0             0             0               0             

               SSD     SAS      NearLine_SAS T0toT1 T0toT2 T1toT0  T1toT2  T2toT0  T2toT1 
            ---     ---      ------------ ------ ------ ------  ------  ------  ------ 
CtrlCoolExtNum 0       0        0               0         0        0       0       0       0       
ExeCoolExtNum  0       0        0               0         0        0       0       0       0       
gotCoolExtNum  0       0        0               0         0        0       0       0       0       

Flag(T/F)  sortHighEn  sortLowEn  highToSsdEn  lowToNLSasEn  pdctEn  isIoScheExist  thExtDownEn  specSeqRatioEn 
---------  ----------  ---------  -----------  ------------  ------  -------------  -----------  -------------- 
Val (1/0)  0           0          0            0             0       0              0            0

System Response

The following table describes the parameter meanings.

Parameter

Meaning

DstObjId

Storage pool ID.

Alloc RB node number

Number of allocated red and black tree nodes.

T0->T1

Data migration from the SSD tier to the SAS tier.

T0->T2

Data migration from the SSD tier to the NLSAS tier.

T1->T0

Data migration from the SAS tier to the SSD tier.

T1->T2

Data migration from the SAS tier to the NLSAS tier.

T2->T0

Data migration from the NL-SAS tier to the SSD tier.

T2->T1

Data migration from the NL-SAS tier to the SAS tier.

Highest

Migrating data to the high-performance tier.

Lowest

Migrating data to the capacity tier.

max

Maximum number of red and black tree nodes in various migrations.

real

Actual number of red and black tree nodes in various migrations.

DstObj need high extent number

Number of the DST object's extents that need to be migrated to the high-performance tier.

DstObj need low extent number

Number of the DST object's extents that need to be migrated to the capacity tier.

Iom Cool

Number of cold extents monitored by I/Os on each tier.

Need Cool

Number of cold extents required by each tier.

Need Iom Cool

Number of cold extents that need to be monitored by I/Os on each tier.

Need Spa Cool

Number of SPA cold extents required by each tier.

Got Iom Cool

Number of obtained cold extents monitored by I/Os.

Got SPA Cool

Number of obtained SPA cold extents.

Total

Number of extents into which the total capacity is converted.

NoMigr

Total number of extents that are not migrated.

High

Total number of extents that are migrated to the high-performance tier.

Low

Total number of extents that are migrated to the capacity tier.

Auto

Total number of extents that are automatically migrated.

Free

Number of free extents.

CanAuto

Number of extents that can be automatically migrated.

NoMigrExe

Number of extents that are not migrated in the executor.

HighExe

Number of extents that are migrated to the high-performance tier in the executor.

LowExe

Number of extents that are migrated to the capacity tier in the executor.

AutoExe

Number of extents that are automatically migrated in the executor.

Down

Migrating data from a higher performance tier to a lower performance tier.

Up

Migrating data from a lower performance tier to a higher performance tier.

Th

Threshold of the sequential or random I/O segment.

ThH

Upper limit of threshold of the sequential or random I/O segment.

ThL

Lower limit of threshold of the sequential or random I/O segment.

ThFilH

Number of extents whose count of I/Os to be filtered exceeds the threshold.

ThFilL

Number of extents whose count of I/Os to be filtered is smaller than the threshold.

T0toT1

Data migration from the SSD tier to the SAS tier.

T0toT2

Data migration from the SSD tier to the SAS tier.

T1toT2

Data migration from the SAS tier to the NLSAS tier.

T1toT0

Data migration from the SAS tier to the SSD tier.

T2toT0

Data migration from the NL-SAS tier to the SSD tier.

T2toT1

Data migration from the NL-SAS tier to the SAS tier.

CtrlCoolExtNum

Total number of cold extents.

ExeCoolExtNum

Number of cold extents in the executor.

gotCoolExtNum

Number of cold extents that are migrated from the SSD tier to the SAS tier.

sortHighEn

Whether high-end flags are sorted.

sortLowEn

Whether low-end flags are sorted.

highToSsdEn

Whether data can be migrated from the high end to SSDs.

lowToNLSasEn

Whether data can be migrated from the low end to NL-SAS disks.

pdctEn

Flag of prediction analysis.

isIoScheExist

Flag indicating the I/O monitoring schedule exists.

thExtDownEn

Flag of whether the database close to the threshold is demoted.

specSeqRatioEn

Whether the data block record sequence needs to be obfuscated.

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Updated: 2019-07-11

Document ID: EDOC1000181619

Views: 636664

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