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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 functionsand 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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mr showloginfo

mr showloginfo

Function

The mr showloginfo command is used to view the information of the metadata incremental backup file.

Format

mr showloginfo -p disk_domain_id -o obj_type -l LUN_Id -i log_idx

Parameters

Parameter

Description

Value

obj_type

ID of a backed up metadata object.

Possible values are "12" and "19".

disk_domain_id

Disk domain ID.

The value ranges from 0 to n minus one, where n indicates the maximum number of disk domains supported by a product.

log_idx

Log index.

The value ranges from 0 to 100.

LUN_Id

LUN ID.

The value ranges from 0 to n minus one, where n indicates the maximum number of LUNs supported by a product.

Views

Diagnostic view

Usage Guidelines

None

Example

View the information of the metadata incremental backup file of LUN 0.

admin:/diagnose>mr showloginfo -p 0 -o 19 -l 0 -i 0 

 LowHalfWN                     : 0xa0 
 Magic Number                  : 0x4d4c4948 
 Offset In File                : 0xb168 
 Item Num                      : 16 
 Timestamp                     : 2015-07-08 17:32:47 
 Tree Id                       : 0xffffffff 
 Operation Type                : 1 (1:Insert 2:Delete 3:Modify Others:Unknown) 
 ItemSize                      : 16 
 Is Valid                      : 65535 (0:Invalid 1:Valid) 

  extentSize                    : 0x2000 
 Key(Item) Index[0] 
  Offset In File                : 0xb180 
  extentId                      : 0x9c02fef 
  Ckg Id                        : 0x4200404e 
  ckgOffset                     : 0x0 
  initFlag                      : 0x1 
  migrateFlag                   : 0x0 
  zoneIndex                     : 0x7 
  ckgObjId                      : 0x400f4200404e 
  ckgLba                        : 0x0 
 Key(Item) Index[1] 
  Offset In File                : 0xb190 
  extentId                      : 0x9c12fef 
  Ckg Id                        : 0x4200404e 
  ckgOffset                     : 0x1 
  initFlag                      : 0x1 
  migrateFlag                   : 0x0 
  zoneIndex                     : 0x7 
  ckgObjId                      : 0x400f4200404e 
  ckgLba                        : 0x2000

System Response

The following table describes the parameter meanings.

Parameter

Meaning

LowHalfWN

Times of write.

Magic Number

Magic number.

Offset In File

Offset in files.

Item Num

Number of items.

Timestamp

Time stamp.

Tree Id

ID of the tree.

Operation Type

Operation type.

ItemSize

Size of the item.

Is Valid

Is valid or not.

extentSize

Size of the extent.

extentId

Extent ID.

Ckg Id

CKG ID.

ckgOffset

Offset in CKGs.

initFlag

Initialization flag of the tag.

migrateFlag

Migration flag.

zoneIndex

Zone index.

ckgObjId

Object ID of CKGs.

ckgLba

Logical block address of CKGs.

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Updated: 2019-03-30

Document ID: EDOC1000138389

Views: 393703

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