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如何重命名ASM 中的磁盘组

[日期:2014-03-26] 来源:Linux社区  作者:Rhys-Oracle [字体: ]

介绍一个重命名Oracle asm 磁盘组的工具renamedg

Therenamedgtool enables you to change the name of a cloned disk group. The disk group must be dismounted on all nodes in the cluster before runningrenamedgon the disk group.

renamedgrenames a disk group using a two-step process:

  1. Phase one

    This phase generates a configuration file to be used in phase two.

  2. Phase two

    This phase uses the configuration file to perform the renaming of the disk group.

The syntax is:


renamedg{-help|help=true}

renamedg
[phase={one|two|both} ]dgname=diskgroup
newdgname=newdiskgroup[config=configfile]
[asm_diskstring=discoverystring,discoverystring... ]
[clean={true|false} ] [check={true|false} ]
[confirm={true|false}] [verbose={true|false} ]
[keep_voting_files={true|false}]

  • phase={one|two|both}

注意:

Applies to:
Oracle Server - Enterprise Edition - Version: 10.1.0.2 to 11.2.0.0
Information in this document applies to any platform.

Goal
The purpose of this document is to provide information about rename diskgroup in 10g and 11gR1 release

Solution
rename diskgroup option is a new feature of 11gR2 .

You can use this tool to rename your 10g or 11gR1 ASM diskgroup

you need to just install 11gR2 SIHA Grid Infrastructure software only installation.

cd <11gr2 grid home>/bin
renamedg

use renamedg tool to rename 10g or 11gR1 diskgroup.

Diskgroup cannot be renamed under following conditions :

- the Diskgroup is mounted
- the Diskgroup is being used by CSS
- Diskgroup contains offline disks

 

eg:

-bash-4.1$ sqlplus / as sysasm

SQL*Plus: Release 11.2.0.4.0 Production on Mon Mar 24 15:33:16 2014

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Automatic Storage Management option

SQL> alter diskgroup new_datagroup2 dismount;

Diskgroup altered.

SQL>
SQL>
SQL> exit

-bash-4.1$
-bash-4.1$ renamedg -help
NOTE: No asm libraries found in the system

Parsing parameters..
phase                          Phase to execute,
                                (phase=ONE|TWO|BOTH), default BOTH

dgname                          Diskgroup to be renamed

newdgname                      New name for the diskgroup

config                          intermediate config file

check                          just check-do not perform actual operation,
                                (check=TRUE/FALSE), default FALSE

confirm                        confirm before committing changes to disks,
                                (confirm=TRUE/FALSE), default FALSE

clean                          ignore errors,
                                (clean=TRUE/FALSE), default TRUE

asm_diskstring                  ASM Diskstring (asm_diskstring='discoverystring',
                                'discoverystring1' ...)

verbose                        verbose execution,
                                (verbose=TRUE|FALSE), default FALSE

keep_voting_files              Voting file attribute,
                                (keep_voting_files=TRUE|FALSE), default FALSE

-bash-4.1$ renamedg dgname=NEW_DATAGROUP2 newdgname=datagroup2 asm_diskstring='/dev/oracleasm/disks/*' verbose=true
NOTE: No asm libraries found in the system

Parsing parameters..

Parameters in effect:

        Old DG name      : NEW_DATAGROUP2
        New DG name          : DATAGROUP2
        Phases              :
                Phase 1
                Phase 2
        Discovery str        : /dev/oracleasm/disks/*
        Clean              : TRUE
        Raw only          : TRUE
renamedg operation: dgname=NEW_DATAGROUP2 newdgname=datagroup2 asm_diskstring=/dev/oracleasm/disks/* verbose=true
Executing phase 1
Discovering the group
Performing discovery with string:/dev/oracleasm/disks/*
Identified disk UFS:/dev/oracleasm/disks/ASMDISK5 with disk number:0 and timestamp (33001227 75905024)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK6 with disk number:1 and timestamp (33001227 75905024)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK7 with disk number:2 and timestamp (33001227 75905024)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK8 with disk number:5 and timestamp (33001229 -598404096)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK9 with disk number:3 and timestamp (33001229 -678575104)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK10 with disk number:4 and timestamp (33001229 -678575104)
Checking for hearbeat...
Re-discovering the group
Performing discovery with string:/dev/oracleasm/disks/*
Identified disk UFS:/dev/oracleasm/disks/ASMDISK5 with disk number:0 and timestamp (33001227 75905024)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK6 with disk number:1 and timestamp (33001227 75905024)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK7 with disk number:2 and timestamp (33001227 75905024)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK8 with disk number:5 and timestamp (33001229 -598404096)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK9 with disk number:3 and timestamp (33001229 -678575104)
Identified disk UFS:/dev/oracleasm/disks/ASMDISK10 with disk number:4 and timestamp (33001229 -678575104)
Checking if the diskgroup is mounted or used by CSS
Checking disk number:0
Checking disk number:1
Checking disk number:2
Checking disk number:5
Checking disk number:3
Checking disk number:4
Generating configuration file..
Completed phase 1
Executing phase 2
Looking for /dev/oracleasm/disks/ASMDISK5
Modifying the header
Looking for /dev/oracleasm/disks/ASMDISK6
Modifying the header
Looking for /dev/oracleasm/disks/ASMDISK7
Modifying the header
Looking for /dev/oracleasm/disks/ASMDISK8
Modifying the header
Looking for /dev/oracleasm/disks/ASMDISK9
Modifying the header
Looking for /dev/oracleasm/disks/ASMDISK10
Modifying the header
Completed phase 2
Terminating kgfd context 0x7f57a379b0a0
-bash-4.1$ sqlplus / as sysasm

SQL*Plus: Release 11.2.0.4.0 Production on Mon Mar 24 15:35:04 2014

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Automatic Storage Management option

SQL> select name,state from v$asm_diskgroup;

NAME                          STATE
------------------------------ -----------
DATAGROUP1                    MOUNTED
DATAGROUP2                    DISMOUNTED

SQL> alter diskgroup datagroup2 mount;

Diskgroup altered.

SQL> select name,state from v$asm_diskgroup;

NAME                          STATE
------------------------------ -----------
DATAGROUP1                    MOUNTED
DATAGROUP2                    MOUNTED

SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Automatic Storage Management option
-bash-4.1$ crsctl stat res -t
--------------------------------------------------------------------------------
NAME          TARGET  STATE        SERVER                  STATE_DETAILS     
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATAGROUP1.dg
              ONLINE  ONLINE      oracle-one                                 
ora.DATAGROUP2.dg
              ONLINE  ONLINE      oracle-one                                 
ora.LISTENER.lsnr
              ONLINE  ONLINE      oracle-one                                 
ora.NEW_DATAGROUP2.dg
              OFFLINE OFFLINE      oracle-one                                 
ora.asm
              ONLINE  ONLINE      oracle-one              Started           
ora.ons
              OFFLINE OFFLINE      oracle-one                                 
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.cssd
      1        ONLINE  ONLINE      oracle-one                                 
ora.diskmon
      1        OFFLINE OFFLINE                                                 
ora.evmd
      1        ONLINE  ONLINE      oracle-one                                 
ora.rhys.db
      1        OFFLINE OFFLINE                              Instance Shutdown 
-bash-4.1$ srvctl remove diskgroup -g new_datagroup2
-bash-4.1$ crsctl status res -t
--------------------------------------------------------------------------------
NAME          TARGET  STATE        SERVER                  STATE_DETAILS     
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.DATAGROUP1.dg
              ONLINE  ONLINE      oracle-one                                 
ora.DATAGROUP2.dg
              ONLINE  ONLINE      oracle-one                                 
ora.LISTENER.lsnr
              ONLINE  ONLINE      oracle-one                                 
ora.asm
              ONLINE  ONLINE      oracle-one              Started           
ora.ons
              OFFLINE OFFLINE      oracle-one                                 
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.cssd
      1        ONLINE  ONLINE      oracle-one                                 
ora.diskmon
      1        OFFLINE OFFLINE                                                 
ora.evmd
      1        ONLINE  ONLINE      oracle-one                                 
ora.rhys.db
      1        OFFLINE OFFLINE                              Instance Shutdown 

 

 

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