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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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mr showstatus

mr showstatus

Function

The mr showstatus command is used to view the header information of a metadata backup file.

Format

mr showstatus -o objectType -p poolId [ -t tierType | -l lunId ] [ -i type ]

Parameters

Parameter

Description

Value

objectType

ID of a backed up metadata object.

Possible values are 12, 17, and 19.

poolId

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.

tierType

Tier type.

The value can be 0, 1, or 2, where:

  • 0: tier 0.
  • 1: tier 1.
  • 2: tier 2.

lunId

LUN ID.

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

type

Backup data type.

The value can be 1 or other values.

  • 1: incremental backup data.
  • Other values: full backup data.

Views

Diagnostic view

Usage Guidelines

None

Example

  • View the header information of the metadata full backup file of LUN 0.
    admin:/diagnose>mr showstatus -o 19 -p 0 -l 0 
     #################### backup message #################### 
      
     tree state                    : standby_fullbackup 
     last time result              : init success 
     last backup begin time        : 2015-07-01 14:27:00 
     last backup end time          : 2015-07-01 14:27:00 
     last backup file size         : 940 byte 
     last backup write number      : 16 
      
     #################### full back file message #################### 
      
      bakFileLayOutObj:  
                       tree handle          : 0x27000000000     
                       root blk ID          : 0x4000400600000000 
      bakFileHead: 
                       backup trig time     : 0000-00-00 00:00:00 
                       tree handle          : 0x27000000000     
                       file status          : standby_fullbackup                       
                       root block id        : 0x4000400600000000 
                       log init status      : 1               
                       backedup write number: 0               
                       current write number : 0               
                       write cursor         : 0               
      backup file : 0     
                       begin time           : 2015-07-01 14:27:00 
                       update time          : 2015-07-01 14:27:00 
                       first blk ID         : 0x4000400600000005 
                       last blk ID          : 0x4000400600000005 
                       blk ID arr           : 0x400000140000000b 
                       last blk offset      : 8192 byte 
                       file size            : 940 byte 
                       file src size      : 4120 byte 
                       status               : closed 
                       is valid             : yes      
                       backedup write number: 16              
                       total item number : 256        
      backup file : 1  
                       begin time           : 0000-00-00 00:00:00 
                       update time          : 0000-00-00 00:00:00 
                       first blk ID         : 0xffffffffffffffff 
                       last blk ID          : 0xffffffffffffffff 
                    blk ID arr           : 0x400000140000000c 
                       last blk offset      : 4096 byte 
                       file size            : 0 byte 
                       file src size        : 0 byte 
                       status               : closed 
                       is valid             : no       
                       backedup write number: 0               
                       total item number : 0
  • View the header information of the metadata incremental backup file of LUN 0.
    admin:/diagnose>mr showstatus -o 19 -p 0 -l 0 -i 1 
      
     #################### backup log file message #################### 
      
                       tree handle         : 0x27000000000     
     LogFileHead: 
                       write num           : 0x2               
                       loop queue byte size: 0x400000          
                       blk arr ID          : 0x400000140000000d 
                       head offset         : 0x1000            
     LogFileUnit: 
                       write num           : 0x1               
                       tail offset         : 0x1050            
                       checked offset      : 0x1050            
                       is log valid        : 1               
                       low half WN         : 0               
                       CpyTailOffset       : 0x1050            
                       CpyTimeStamp        : 2015-07-01 14:24:41 
     blk ID array: 
                       validBlkNum         : 4               
                       0                   : 0x4000400600000001 
                       1                   : 0x4000400600000002 
                       2                   : 0x4000400600000003 
                       3                   : 0x4000400600000004 
     others: 
                       readTagOffset       : 4176            
                       writtenStatus  : WRITTEN_NORMAL 
                       LogOccupy[0,100] : 0               
                       lastInitJiffies     : 121819849       
                       inInitLog           : 0               
                       hasInitTime         : 0               
                       logRecoverFlag      : 1

System Response

The following table describes the parameter meanings.

Parameter

Meaning

tree state

Status of the backup file.

last time result

Result of last backup.

last backup begin time

Time when last backup starts.

last backup end time

Time when last backup ends.

last backup file size

Size of the last backup file.

last backup write number

Number of write operations in last backup.

backup progress

Backup progress (displayed only in backup).

recover progress

Recovery progress (displayed only in recovery).

tree handle

Name of the backup file.

root blk ID

Root block ID of the backup file.

backup trig time

Time when backup is triggered.

file status

Status of the backup file.

backedup write number

Number of backup time changes.

current write number

Number of changes.

write cursor

Location to which the current file points.

backup file

Location of the backup file.

begin time

Time when file backup starts.

update time

Time when the file is updated.

first blk ID

First block ID of the file.

last blk ID

Last block ID of the file.

blk ID arr

ID of the block array.

last blk offset

Offset of the last block of the file.

file size

Size of the compressed backup file.

file src size

Original data size of the backup file.

status

Status of the backup file (open or closed).

is valid

Whether the backup file is valid.

backedup write number

Times that the backup file is written.

total item number

Number of items in the backup file.

log init status

Whether the incremental backup file has been initialized.

write num

Number of incremental backup file changes.

loop queue byte size

Size of the circular queue.

blk arr ID

Block array ID of the incremental backup file.

head offset

Start address of the valid data of the circular queue.

tail offset

File tail offset.

checked offset

Offset of verified data.

is log valid

Whether the incremental backup file is valid.

low half WN

Number of changes to the B+ tree that maps to the incremental backup file.

CpyTailOffset

Offset of the copied file tail.

CpyTimeStamp

Copy time of the incremental backup file.

validBlkNum

Block quantity of the incremental backup file.

readTagOffset

End of reading the incremental backup file.

writtenStatus

Whether the incremental backup file is flushed to disks.

LogOccupy

Usage of the incremental backup file.

lastInitJiffies

Time stamp of the last incremental backup file initialization I/O.

inInitLog

Whether incremental backup file initialization I/Os are being processed.

hasInitTime

Times of initializing the incremental backup file.

logRecoverFlag

Whether the incremental backup file is recovered.

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Updated: 2019-07-12

Document ID: EDOC1000138389

Views: 501041

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