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Advanced O&M Command Reference

OceanStor 2800 V5 V500R007

This document is applicable to OceanStor 2800 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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volume showrealpart

volume showrealpart

Function

The volume showrealpart command is used to view information about metadata partition management.

Format

volume showrealpart volumeid type

Parameters

Parameter

Description

Value

volumeid

Volume ID.

The value ranges from 0 to n

minus one. n indicates the

maximum number of LUNs.

type

Resource type.

Possible values are:

  • data: data storage space.
  • cow: snapshot storage space.
  • dcl: DCL partition.
  • scsi: SCSI partition.

Views

Diagnostic view

Usage Guidelines

None

Example

View information about metadata partition management.

admin:/diagnose>volume showrealpart 0 data 
Volume 0 Data Meta Data Partition: 
Res Volume Information Partition 
Volume Type : Thin 
Extent ID : 0x400040000002 
offset : 0 
bst status : FALSE 
Res Alloc Queue Partition 
Head.bit : 0 
Head.offset : 0 
Out Grain : 0 
Tail.bit : 0 
In Grain : 0 
In Extent : 0 
Items In Res Alloc Queue 
Start Section Num : 0 
Start Item In Section Num : 0 
End Section Num : 0 
End Item In Section Num : 0 
Res Free Queue Partition 
Head : 0 
Freed To Pool Extent Count : 0 
Out Grain Count : 0 
Tail : 0 
In Grain : 0 
Items In Res Free Queue 
Start Section Num : 0 
Start Item In Section Num : 0 
End Section Num : 0 
End Item In Section Num : 0 
Res B+ TREE Partition 
Btree name :volume map tree,volume ID(0x1000000000) 
Tree InstSize :176 
Inner Node Size :65536 
Leaf Node Size :65536 
Item Size :32 
Key Size :16 
Verify Type :InParent 
Verify Fail Type :recover 
Pid :203 
Root ID :18446744073709551615 
Write Number :0 
Left Most Leaf :18446744073709551615 
Right Most Leaf :18446744073709551615 
Inner Node Num :0 
Leaf Node Num :0 
Data Item Num :0 
Current Level :0 
Left Most Leaf Crc :4294967295 
Right Most Leaf Crc :4294967295 
Min Inner Degree :1019 
Min Leaf Degree :1020 
Root Crc :4294967295 
Res B+ TREE Partition 
Btree name :volume res tree,volume ID(0x1000000000) 
Tree InstSize :176 
Inner Node Size :65536 
Leaf Node Size :65536 
Item Size :32 
Key Size :16 
Verify Type :InParent 
Verify Fail Type :recover 
Pid :203 
Root ID :18446744073709551615 
Write Number :0 
Left Most Leaf :18446744073709551615 
Right Most Leaf :18446744073709551615 
Inner Node Num :0 
Leaf Node Num :0 
Data Item Num :0 
Current Level :0 
Left Most Leaf Crc :4294967295 
Right Most Leaf Crc :4294967295 
Min Inner Degree :1019 
Min Leaf Degree :1020 
Root Crc :4294967295

System Response

The following table describes the parameter meanings.

Parameter

Meaning

Res Volume Information Partition

Volume information partition.

Volume Type

Volume type.

Extent ID

Root extent ID of a partition.

offset

Partition's offset in an extent.

bst status

BST status (FALSE indicates that the BST is

switched off. TRUE indicates that the BST is

switched on.).

Res Alloc Queue Partition

Allocation queue partition.

Head.bit

Head cursor bit.

Head.offset

Head cursor's offset in the bit.

Out Grain

Number of grains that are outside the queue.

Tail.bit

Tail cursor bit.

In Grain

Number of grains that are in the queue.

In Extent

Number of allocated extents.

Items In Res Alloc Queue

Information in the allocation queue.

Start Section Num

msection index to which the current head

cursor points.

Start Item In Section Num

Index of an item in msection to which the

current head cursor points.

End Section Num

msection index to which the current tail

cursor points.

End Item In Section Num

Index of an item in msection to which the

current tail cursor points.

Res Free Queue Partition

Release queue partition.

Head

Head cursor.

Freed To Pool Extent Count

Extent released to the pool.

Out Grain Count

Number of grains that are outside the queue.

Tail

Tail cursor.

In Grain

Number of grains that are in the queue.

Items In Res Free Queue

Information in the release queue.

Start Section Num

msection index to which the current head

cursor points.

Start Item In Section Num

Index of an item in msection to which the

current head cursor points.

End Section Num

msection index to which the current tail

cursor points.

End Item In Section Num

Index of an item in msection to which the

current tail cursor points.

Res B+ TREE Partition

btree partition.

Btree name

btree name.

Tree InstSize

Size of the local btree structure.

Inner Node Size

Size of an internal node.

Leaf Node Size

Size of a leaf node.

Item Size

Data amount.

Key Size

Key size.

Verify Type

Verification type.

Verify Fail Type

Handling type of verification failure.

Pid

Process identification (PID) of btree

creation.

Root ID

btree root ID.

Write Number

Write SN.

Left Most Leaf

ID of the leftmost leaf node.

Right Most Leaf

ID of the rightmost leaf node.

Inner Node Num

Number of internal nodes.

Leaf Node Num

Number of leaf nodes.

Data Item Num

Total number of data items.

Current Level

Number of current layers.

Left Most Leaf Crc

CRC of the leftmost leaf node.

Right Most Leaf Crc

CRC of the rightmost leaf node.

Min Inner Degree

Minimum degree of internal nodes.

Min Leaf Degree

Minimum degree of leaf nodes.

Root Crc

CRC of btree root.

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Updated: 2019-07-11

Document ID: EDOC1000181575

Views: 669194

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