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文件系統怎樣遷移到ASM

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文件系統怎樣遷移到 ASM,很多新手對此不是很清楚,為了幫助大家解決這個難題,下面丸趣 TV 小編將為大家詳細講解,有這方面需求的人可以來學習下,希望你能有所收獲。

數據庫全備
僅僅是一個 databse 的全備,沒有任何額外的附加功能,僅
0 級 增量備份
既是數據庫的全備,又是,0 級增量備份,在此基礎上,可以后續執行增量備份
因此推薦使用 0 級增量備份做數據庫的全備

最好是以 grid 用戶進入 asm 環境

[oracle@sink ~]$ su – grid

Password:

[grid@sink ~]$ asmcmd

做完 0 級 增量備份后的備份文件

ASMCMD pwd

+data/sink

ASMCMD ls

BACKUPSET/

CONTROLFILE/

DATAFILE/

PARAMETERFILE/

查看剛才做的 0 級增量 備份

RMAN list copy of database;

List of Datafile Copies

=======================

Key File S Completion Time Ckp SCN    Ckp Time

——- —- – ————— ———- —————

9       1    A 06-JAN-18       1218041    06-JAN-18

 Name: +DATA/sink/datafile/system.258.964712643

 Tag: ORA_ASM_MIGRATION

8       2    A 06-JAN-18       1218040    06-JAN-18

 Name: +DATA/sink/datafile/sysaux.257.964712643

 Tag: ORA_ASM_MIGRATION

4       3    A 06-JAN-18       1218045    06-JAN-18

 Name: +DATA/sink/datafile/undotbs1.261.964712645

 Tag: ORA_ASM_MIGRATION

6       4    A 06-JAN-18       1218050    06-JAN-18

 Name: +DATA/sink/datafile/users.263.964712657

 Tag: ORA_ASM_MIGRATION

7       5    A 06-JAN-18       1218043    06-JAN-18

 Name: +DATA/sink/datafile/example.260.964712643

 Tag: ORA_ASM_MIGRATION

3       6    A 06-JAN-18       1218042    06-JAN-18

 Name: +DATA/sink/datafile/tbssss.259.964712643

 Tag: ORA_ASM_MIGRATION

RMAN

轉儲 spfile 到

RMAN restore spfile to +DATA/spfilesink.ora ;

Starting restore at 06-JAN-18

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=18 device type=DISK

channel ORA_DISK_1: starting datafile backup set restore

channel ORA_DISK_1: restoring SPFILE

output file name=+DATA/spfilesink.ora

channel ORA_DISK_1: reading from backup piece +DATA/sink/backupset/2018_01_06/nnsnn0_ora_asm_migration_0.264.964712657

channel ORA_DISK_1: piece handle=+DATA/sink/backupset/2018_01_06/nnsnn0_ora_asm_migration_0.264.964712657 tag=ORA_ASM_MIGRATION

channel ORA_DISK_1: restored backup piece 1

channel ORA_DISK_1: restore complete, elapsed time: 00:00:04

Finished restore at 06-JAN-18

查看轉儲 spfile 參數文件后的   在 ASM 中的 路徑狀態

ASMCMD pwd

+data

ASMCMD ls

ASM/

SINK/

spfilesink.ora

ASMCMD

修改并查看 pfile 中的內容,使其內容指向 ASM 中 spfile 的 spfilesink.ora 的路徑,有意思!

[oracle@sink dbs]$ pwd

/u01/app/oracle/product/11.2.0/dbhome_1/dbs

[oracle@sink dbs]$ ls

afiedt.buf   hc_test.dat  initsink.ora  lkSINK  orapwsink  snapcf_sink.f

hc_sink.dat  init.ora     inittest.ora  lkTEST  orapwtest  spfilesink.ora

[oracle@sink dbs]$ vim initsink.ora

[oracle@sink dbs]$ cat initsink.ora

spfile= +DATA/spfilesink.ora

[oracle@sink dbs]$

再次進入 SQL 環境,啟動到 nomount,設置 spfile 路徑指向,并查看相關參數是否操作生效!成功了!

[oracle@sink dbs]$ !sql

sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Sat Jan 6 16:30:19 2018

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 Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

16:30:19 SYS @ sink startup force nomount;

ORACLE instance started.

Total System Global Area  835104768 bytes

Fixed Size     2257840 bytes

Variable Size   553651280 bytes

Database Buffers   276824064 bytes

Redo Buffers     2371584 bytes

16:30:38 SYS @ sink alter system set db_create_file_dest= +DATA ;

System altered.

Elapsed: 00:00:00.01

16:31:23 SYS @ sink show parameter create;

NAME  TYPE  VALUE

———————————— ———– ——————————

create_bitmap_area_size   integer  8388608

create_stored_outlines      string

db_create_file_dest      string  +DATA

db_create_online_log_dest_1      string

db_create_online_log_dest_2      string

db_create_online_log_dest_3      string

db_create_online_log_dest_4      string

db_create_online_log_dest_5      string

16:31:33 SYS @ sink

自上一步之后,查看數據庫啟動狀態,然后 satrtup force,將他啟動到 opened 狀態

16:31:33 SYS @ sink select status from v$instance;

STATUS

————

STARTED

1 row selected.

Elapsed: 00:00:00.00

16:35:24 SYS @ sink alter database open;

alter database open

*

ERROR at line 1:

ORA-01507: database not mounted

Elapsed: 00:00:00.00

16:35:39 SYS @ sink startup force;

ORACLE instance started.

Total System Global Area  835104768 bytes

Fixed Size     2257840 bytes

Variable Size   553651280 bytes

Database Buffers   276824064 bytes

Redo Buffers     2371584 bytes

Database mounted.

Database opened.

16:36:24 SYS @ sink

oracle 啟動到某一狀態的時候
之后啟動的情況
satrtup nomount
alter database mount
alter database open
startup mount
alter database open
————————–
startup (open)
—————————-
————————–
oracle 啟動到某一狀態之后,只能一步一步的啟動,直至 open 狀態,不能越級實行后續啟動

這里查詢一下數據文件的 file# 和 name,方便之后的數據文件遷移

SYS @ sink r

 1* select file#,name from v$datafile

 FILE# NAME

———- ——————————————————-

  1 /u01/app/oracle/oradata/sink/system01.dbf

  2 /u01/app/oracle/oradata/sink/sysaux01.dbf

  3 /u01/app/oracle/oradata/sink/undotbs01.dbf

  4 /u01/app/oracle/oradata/sink/users01.dbf

  5 /u01/app/oracle/oradata/sink/example01.dbf

  6 +DATA/sink/datafile/tbssss.256.963504823

6 rows selected.

Elapsed: 00:00:00.01

轉儲控制文件失敗,看錯誤信息提示:意思是在數據庫是 mount 或者 open 執行這條語句沒有使用 TO 語句,

RMAN restore controlfile from /u01/app/oracle/oradata/sink/control01.ctl ;

Starting restore at 06-JAN-18

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=42 device type=DISK

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-03002: failure of restore command at 01/06/2018 16:45:57

RMAN-06496: must use the TO clause when the database is mounted or open

這次加了 to 語句還是不行,后來糾結了一陣子,發現轉儲控制文件發現必須要 oralce 處于 nomount 狀態

RMAN restore controlfile from /u01/app/oracle/oradata/sink/control01.ctl to +data/ ;

RMAN-00571: ===========================================================

RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============

RMAN-00571: ===========================================================

RMAN-00558: error encountered while parsing input commands

RMAN-01009: syntax error: found to : expecting one of: archivelog, channel, check, controlfile, database, datafile, device, force, from, high, preview, primary, skip readonly, spfile, standby, tablespace, to restore point, until restore point, until, validate, (, ;

RMAN-01007: at line 1 column 71 file: standard input

  找到頭緒之后,將數據庫啟動到 nomount 狀態

[oracle@sink dbs]$ !sql

sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Sat Jan 6 16:48:57 2018

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 Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

16:48:57 SYS @ sink select status from v$instance;

STATUS

————

OPEN

1 row selected.

Elapsed: 00:00:00.01

16:49:10 SYS @ sink startup nomount;

ORA-01081: cannot start already-running ORACLE – shut it down first

16:49:17 SYS @ sink startup force nomount;

ORACLE instance started.

Total System Global Area  835104768 bytes

Fixed Size     2257840 bytes

Variable Size   553651280 bytes

Database Buffers   276824064 bytes

Redo Buffers     2371584 bytes

16:49:33 SYS @ sink select status from v$instance;

STATUS

————

STARTED

1 row selected.

Elapsed: 00:00:00.01

16:49:57 SYS @ sink

好了,經過一翻糾結,終于成功了,控制文件轉儲成功!

RMAN restore controlfile from /u01/app/oracle/oradata/sink/control01.ctl ;

Starting restore at 06-JAN-18

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=23 device type=DISK

channel ORA_DISK_1: copied control file copy

output file name=+DATA/sink/controlfile/current.266.964717197

output file name=+DATA/sink/controlfile/current.267.964717197

Finished restore at 06-JAN-18

RMAN

查看控制文件遷移后的效果

ASMCMD pwd

+data/sink/controlfile

ASMCMD ls

Backup.262.964712653

current.266.964717197

current.267.964717197

在 RMAN 環境中將數據庫切到 mount 狀態,switch… 修改控制文件用 datafile copy 做當前 DB 的 datafile 使用

RMAN alter database mount;

database mounted

released channel: ORA_DISK_1

RMAN switch database to copy;

using target database control file instead of recovery catalog

datafile 1 switched to datafile copy +DATA/sink/datafile/system.258.964712643

datafile 2 switched to datafile copy +DATA/sink/datafile/sysaux.257.964712643

datafile 3 switched to datafile copy +DATA/sink/datafile/undotbs1.261.964712645

datafile 4 switched to datafile copy +DATA/sink/datafile/users.263.964712657

datafile 5 switched to datafile copy +DATA/sink/datafile/example.260.964712643

datafile 6 switched to datafile copy +DATA/sink/datafile/tbssss.259.964712643

直接 exit 退出 rman 環境,然后直接!sql 進入 SQL 環境,注意數據庫狀態仍然為 mount,查看 dataifle 的路徑

RMAN exit

Recovery Manager complete.

[oracle@sink dbs]$ !sql

sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Sat Jan 6 17:42:31 2018

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 Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

17:42:41 SYS @ sink col name for a55

17:42:57 SYS @ sink r

 1* select name from v$datafile

NAME

——————————————————-

+DATA/sink/datafile/system.258.964712643

+DATA/sink/datafile/sysaux.257.964712643

+DATA/sink/datafile/undotbs1.261.964712645

+DATA/sink/datafile/users.263.964712657

+DATA/sink/datafile/example.260.964712643

+DATA/sink/datafile/tbssss.259.964712643

6 rows selected.

Elapsed: 00:00:00.01

17:42:58 SYS @ sink

recover databse(應用)開多個 channel 加快 recover 速度,生產 DB 很大,恢復時間很長,這是不錯的辦法

RMAN run{

2 allocate channel dev1 device type disk;

3 allocate channel dev2 device type disk;

4 allocate channel dev3 device type disk;

5 allocate channel dev4 device type disk;

6 recover database;

7 }

released channel: ORA_DISK_1

allocated channel: dev1

channel dev1: SID=25 device type=DISK

allocated channel: dev2

channel dev2: SID=26 device type=DISK

allocated channel: dev3

channel dev3: SID=27 device type=DISK

allocated channel: dev4

channel dev4: SID=28 device type=DISK

Starting recover at 06-JAN-18

starting media recovery

media recovery complete, elapsed time: 00:00:00

Finished recover at 06-JAN-18

released channel: dev1

released channel: dev2

released channel: dev3

released channel: dev4

RMAN

exit,進入 sql 環境,打開到 open,看臨時文件 name,臨時表空間 name,

RMAN exit

Recovery Manager complete.

[oracle@sink dbs]$ !sql

sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Sat Jan 6 17:57:16 2018

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 Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

17:59:16 SYS @ sink alter database open;

Database altered.

Elapsed: 00:00:02.44

17:59:50 SYS @ sink select name from v$tempfile;

NAME

——————————————————-

/u01/app/oracle/oradata/sink/temp01.dbf

1 row selected.

Elapsed: 00:00:00.02

18:00:05 SYS @ sink select tablespace_name,contents from dba_tablespaces;

TABLESPACE_NAME         CONTENTS

—————————— ———

SYSTEM        PERMANENT

SYSAUX        PERMANENT

UNDOTBS1        UNDO

TEMP        TEMPORARY

USERS        PERMANENT

EXAMPLE         PERMANENT

TBSSSS        PERMANENT

7 rows selected.

Elapsed: 00:00:00.01

把臨時表空間 temp 里面的臨時文件 temp01.dbf 加入到 ASM 中的 +date 目錄下

18:00:24 SYS @ sink alter tablespace temp add tempfile +data ;

Tablespace altered.

Elapsed: 00:00:00.11

18:01:27 SYS @ sink select name from v$tempfile;

NAME

——————————————————-

/u01/app/oracle/oradata/sink/temp01.dbf

+DATA/sink/tempfile/temp.268.964720887

2 rows selected.

Elapsed: 00:00:00.01

因為只有一個臨時表空間的一個臨時文件所以無法刪除,多個就能成功,一直到最后一個就不能這樣刪除了

18:12:22 SYS @ sink alter tablespace temp drop tempfile /u01/app/oracle/oradata/sink/temp01.dbf ;

Tablespace altered.

Elapsed: 00:00:00.12

18:13:35 SYS @ sink select name from v$tempfile;

NAME

——————————————————-

/u01/app/oracle/oradata/sink/temp01.dbf

+DATA/sink/tempfile/temp.268.964720887

2 rows selected.

Elapsed: 00:00:00.01

上一步中 DB 處于 open,以上操作將臨時文件刪至 1 個的時候,就不能繼續刪除,得將 DB 置于 mount 狀態才行

18:14:03 SYS @ sink shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

18:19:51 SYS @ sink startup mount;

ORACLE instance started.

Total System Global Area  835104768 bytes

Fixed Size     2257840 bytes

Variable Size   553651280 bytes

Database Buffers   276824064 bytes

Redo Buffers     2371584 bytes

Database mounted.

18:20:08 SYS @ sink alter database drop tempfile /u01/app/oracle/oradata/sink/temp01.dbf ;

alter database drop tempfile /u01/app/oracle/oradata/sink/temp01.dbf

 *

ERROR at line 1:

ORA-01900: LOGFILE keyword expected

Elapsed: 00:00:00.00

18:21:45 SYS @ sink edit

Wrote file afiedt.buf

 1* alter database tempfile /u01/app/oracle/oradata/sink/temp01.dbf drop

18:22:16 SYS @ sink r

 1* alter database tempfile /u01/app/oracle/oradata/sink/temp01.dbf drop

Database altered.

Elapsed: 00:00:00.03

18:22:17 SYS @ sink alter database open;

Database altered.

Elapsed: 00:00:02.34

18:23:19 SYS @ sink col tablespace_name for a10

18:23:38 SYS @ sink col file_name for a55

18:23:54 SYS @ sink r

 1* select tablespace_name,file_name from dba_temp_files

TABLESPACE FILE_NAME

———- ——————————————————-

TEMP  +DATA/sink/tempfile/temp.268.964720887

1 row selected.

Elapsed: 00:00:00.00

遷移日志文件到 ASM,具體細節就不多做解釋了,整了這么久,累,去吃飯去了

18:23:55 SYS @ sink select group#,status,sequence#,bytes from v$log;

 GROUP# STATUS  SEQUENCE#     BYTES

———- —————- ———- ———-

  1 INACTIVE     16  52428800

  2 CURRENT     17  52428800

  3 INACTIVE     15  52428800

3 rows selected.

Elapsed: 00:00:00.01

18:29:19 SYS @ sink col member for a55

18:29:37 SYS @ sink select group#,member from v$logfile;

 GROUP# MEMBER

———- ——————————————————-

  3 /u01/app/oracle/oradata/sink/redo03.log

  2 /u01/app/oracle/oradata/sink/redo02.log

  1 /u01/app/oracle/oradata/sink/redo01.log

3 rows selected.

Elapsed: 00:00:00.01

18:29:57 SYS @ sink alter database add logfile +data size 50m;

Database altered.

Elapsed: 00:00:01.41

18:30:32 SYS @ sink alter database add logfile +data size 50m;

Database altered.

Elapsed: 00:00:00.62

18:30:54 SYS @ sink select group#,member from v$logfile;

 GROUP# MEMBER

———- ——————————————————-

  3 /u01/app/oracle/oradata/sink/redo03.log

  2 /u01/app/oracle/oradata/sink/redo02.log

  1 /u01/app/oracle/oradata/sink/redo01.log

  4 +DATA/sink/onlinelog/group_4.269.964722631

  5 +DATA/sink/onlinelog/group_5.270.964722653

5 rows selected.

Elapsed: 00:00:00.00

18:31:13 SYS @ sink select group#,status,sequence#,bytes from v$log;

 GROUP# STATUS  SEQUENCE#     BYTES

———- —————- ———- ———-

  1 INACTIVE     16  52428800

  2 CURRENT     17  52428800

  3 INACTIVE     15  52428800

  4 UNUSED      0  52428800

  5 UNUSED      0  52428800

5 rows selected.

Elapsed: 00:00:00.02

18:33:37 SYS @ sink alter database drop logfile group 1;

Database altered.

Elapsed: 00:00:00.01

18:35:03 SYS @ sink alter database drop logfile group 3;

Database altered.

Elapsed: 00:00:00.01

18:35:20 SYS @ sink select group#,status,sequence#,bytes from v$log;

 GROUP# STATUS  SEQUENCE#     BYTES

———- —————- ———- ———-

  2 CURRENT     17  52428800

  4 UNUSED      0  52428800

  5 UNUSED      0  52428800

3 rows selected.

Elapsed: 00:00:00.00

18:35:56 SYS @ sink alter system switch logfile;

System altered.

Elapsed: 00:00:00.01

18:36:31 SYS @ sink r

 1* alter system switch logfile

System altered.

Elapsed: 00:00:00.01

18:36:37 SYS @ sink select group#,status,sequence#,bytes from v$log;

 GROUP# STATUS  SEQUENCE#     BYTES

———- —————- ———- ———-

  2 ACTIVE     17  52428800

  4 ACTIVE     18  52428800

  5 CURRENT     19  52428800

3 rows selected.

Elapsed: 00:00:00.01

18:37:00 SYS @ sink alter system checkpoint;

System altered.

Elapsed: 00:00:00.01

18:37:35 SYS @ sink select group#,status,sequence#,bytes from v$log;

 GROUP# STATUS  SEQUENCE#     BYTES

———- —————- ———- ———-

  2 INACTIVE     17  52428800

  4 INACTIVE     18  52428800

  5 CURRENT     19  52428800

3 rows selected.

Elapsed: 00:00:00.01

18:38:02 SYS @ sink alter database drop logfile group 2;

Database altered.

Elapsed: 00:00:00.02

18:38:54 SYS @ sink select group#,status,sequence#,bytes from v$log;

 GROUP# STATUS  SEQUENCE#     BYTES

———- —————- ———- ———-

  4 INACTIVE     18  52428800

  5 CURRENT     19  52428800

2 rows selected.

Elapsed: 00:00:00.00

18:39:30 SYS @ sink select group#,member from v$logfile;

 GROUP# MEMBER

———- ——————————————————-

  4 +DATA/sink/onlinelog/group_4.269.964722631

  5 +DATA/sink/onlinelog/group_5.270.964722653

2 rows selected.

Elapsed: 00:00:00.00

18:40:00 SYS @ sink alter database add logfile +data size 50m;

Database altered.

Elapsed: 00:00:00.32

18:40:36 SYS @ sink select group#,member from v$logfile;

 GROUP# MEMBER

———- ——————————————————-

  1 +DATA/sink/onlinelog/group_1.271.964723237

  4 +DATA/sink/onlinelog/group_4.269.964722631

  5 +DATA/sink/onlinelog/group_5.270.964722653

3 rows selected.

Elapsed: 00:00:00.00

好了,所有成果的效果,數據遷移完成(參數文件,控制文件,數據文件,日志文件)

18:41:47 SYS @ sink select name from v$datafile

18:41:59   2 union all

18:42:03   3 select name from v$controlfile

18:42:18   4 union all

18:42:21   5 select member name from v$logfile;

NAME

——————————————————-

+DATA/sink/datafile/system.258.964712643

+DATA/sink/datafile/sysaux.257.964712643

+DATA/sink/datafile/undotbs1.261.964712645

+DATA/sink/datafile/users.263.964712657

+DATA/sink/datafile/example.260.964712643

+DATA/sink/datafile/tbssss.259.964712643

+DATA/sink/controlfile/current.266.964717197

+DATA/sink/controlfile/current.267.964717197

+DATA/sink/onlinelog/group_1.271.964723237

+DATA/sink/onlinelog/group_4.269.964722631

+DATA/sink/onlinelog/group_5.270.964722653

11 rows selected.

Elapsed: 00:00:00.01

18:42:35 SYS @ sink

這里就是遷移到 ASM 的效果了

ASMCMD pwd

+data/sink/datafile

ASMCMD ls

EXAMPLE.260.964712643

SYSAUX.257.964712643

SYSTEM.258.964712643

TBSSSS.256.963504823

TBSSSS.259.964712643

UNDOTBS1.261.964712645

USERS.263.964712657

ASMCMD cd ../controlfile

ASMCMD pwd

+data/sink/controlfile

ASMCMD ls

Backup.262.964712653

current.266.964717197

current.267.964717197

ASMCMD cd ../onlinelog

ASMCMD pwd

+data/sink/onlinelog

ASMCMD ls

group_1.271.964723237

group_4.269.964722631

group_5.270.964722653

ASMCMD

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