AIX采用LV创ASM磁盘组

CREATE ASM ON AIX LV DEVICE

OS:AIX 6100-03

ASM版本号 10205

# lspv

hdisk0          000d295a6d68902b                    rootvg          active

hdisk1          000d2e62ac906f43                    rootvg          active

hdisk2          000d2e629b38c89d                    datavg          active

hdisk3          none                                None

hdisk4          none                                None

# lsvg

rootvg

datavg

# chdev -l hdisk3 -a pv=yes --创建PV

hdisk3 changed

hdisk3已识别PVID

# lspv

hdisk0          000d295a6d68902b                    rootvg          active

hdisk1          000d2e62ac906f43                    rootvg          active

hdisk2          000d2e629b38c89d                    datavg          active

hdisk3          000d2e621c735061                    None

hdisk4          none                                None

创建VG:

# mkvg -y asmvg hdisk3

asmvg

# lsvg -o

asmvg

datavg

rootvg

创建LV

mklv -y lv_asm1 asmvg 8

mklv -y lv_asm2 asmvg 8

mklv -y lv_asm3 asmvg 8

mklv -y lv_asm4 asmvg 8

# mklv -y lv_asm4 asmvg 8

lv_asm1

# mklv -y lv_asm2 asmvg 8

lv_asm2

# mklv -y lv_asm3 asmvg 8

lv_asm3

# mklv -y lv_asm4 asmvg 8

lv_asm4

改动权限

chown oracle.dba /dev/rlv_asm1

chown oracle.dba/dev/rlv_asm2

chown oracle.dba/dev/rlv_asm3

chown oracle.dba/dev/rlv_asm4

查看ASM设备

$ kfod status=TRUE asm_diskstring='/dev/rlv*' disk=all

--------------------------------------------------------------------------------

Disk          Size Header    Path

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

   1:        256 Mb CANDIDATE /dev/rlv_asm1

   2:        256 Mb CANDIDATE /dev/rlv_asm2

   3:        256 Mb CANDIDATE /dev/rlv_asm3

   4:        256 Mb CANDIDATE /dev/rlv_asm4

--------------------------------------------------------------------------------

ORACLE_SID ORACLE_HOME

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

      +ASM /oracle/product/10.2.0/+ASM

创建磁盘组：

create diskgroup data external redundancy disk '/dev/rlv_asm1','/dev/rlv_asm2','/dev/rlv_asm3','/dev/rlv_asm4';

SQL> create diskgroup data external redundancy disk '/dev/rlv_asm1','/dev/rlv_asm2','/dev/rlv_asm3','/dev/rlv_asm4';

create diskgroup data external redundancy disk '/dev/rlv_asm1','/dev/rlv_asm2','/dev/rlv_asm3','/dev/rlv_asm4'

*

ERROR at line 1:

ORA-15018: diskgroup cannot be created

ORA-15031: disk specification '/dev/rlv_asm4' matches no disks

ORA-15014: location '/dev/rlv_asm4' is not in the discovery set

ORA-15031: disk specification '/dev/rlv_asm3' matches no disks

ORA-15014: location '/dev/rlv_asm3' is not in the discovery set

ORA-15031: disk specification '/dev/rlv_asm2' matches no disks

ORA-15014: location '/dev/rlv_asm2' is not in the discovery set

ORA-15031: disk specification '/dev/rlv_asm1' matches no disks

ORA-15014: location '/dev/rlv_asm1' is not in the discovery set

create diskgroup data external redundancy disk '/dev/rlv_asm*';

SQL> create diskgroup data external redundancy disk '/dev/rlv_asm*';

create diskgroup data external redundancy disk '/dev/rlv_asm*'

*

ERROR at line 1:

ORA-15018: diskgroup cannot be created

ORA-15031: disk specification '/dev/rlv_asm*' matches no disks

ORA-15014: location '/dev/rlv_asm4' is not in the discovery set

ORA-15014: location '/dev/rlv_asm3' is not in the discovery set

ORA-15014: location '/dev/rlv_asm2' is not in the discovery set

ORA-15014: location '/dev/rlv_asm1' is not in the discovery set





SQL> alter system set asm_diskstring='/dev/rlv_asm*';



System altered.



SQL> create diskgroup data external redundancy disk '/dev/rlv_asm*';



Diskgroup created.

查看alter日志：

Wed May 21 10:08:57 GMT+08:00 2014SQL> create diskgroup data external redundancy disk '/dev/rlv_asm1','/dev/rlv_asm2','/dev/rlv_asm3','/dev/rlv_asm4'

Wed May 21 10:08:57 GMT+08:00 2014ERROR: diskgroup DATA was not created

Wed May 21 10:11:46 GMT+08:00 2014SQL> create diskgroup data external redundancy disk '/dev/rlv_asm*'

Wed May 21 10:11:46 GMT+08:00 2014ERROR: diskgroup DATA was not created

Wed May 21 10:15:40 GMT+08:00 2014SQL> create diskgroup data external redundancy disk '/dev/rlv_asm*'

Wed May 21 10:15:40 GMT+08:00 2014ERROR: diskgroup DATA was not created

Wed May 21 10:16:20 GMT+08:00 2014ALTER SYSTEM SET asm_diskstring='/dev/rlv_asm*' SCOPE=BOTH;

Wed May 21 10:16:30 GMT+08:00 2014SQL> create diskgroup data external redundancy disk '/dev/rlv_asm*'

Wed May 21 10:16:30 GMT+08:00 2014NOTE: initializing header on grp 1 disk DATA_0000

NOTE: initializing header on grp 1 disk DATA_0001

NOTE: initializing header on grp 1 disk DATA_0002

NOTE: initializing header on grp 1 disk DATA_0003

NOTE: PST update: grp = 1

Wed May 21 10:16:30 GMT+08:00 2014NOTE: group DATA: initial PST locations: disk 0000 (PST copy 0)

Wed May 21 10:16:30 GMT+08:00 2014NOTE: cache registered group DATA number=1 incarn=0x1649be7b

NOTE: cache opening disk 0 of grp 1: DATA_0000 path:/dev/rlv_asm1

NOTE: cache opening disk 1 of grp 1: DATA_0001 path:/dev/rlv_asm2

NOTE: cache opening disk 2 of grp 1: DATA_0002 path:/dev/rlv_asm3

NOTE: cache opening disk 3 of grp 1: DATA_0003 path:/dev/rlv_asm4

NOTE: cache creating group 1/0x1649BE7B (DATA)

NOTE: cache mounting group 1/0x1649BE7B (DATA) succeeded

NOTE: allocating F1X0 on grp 1 disk DATA_0000

NOTE: diskgroup must now be re-mounted prior to first use

NOTE: cache dismounting group 1/0x1649BE7B (DATA)

SUCCESS: diskgroup DATA was created

NOTE: cache registered group DATA number=1 incarn=0x2769be7e

Wed May 21 10:16:33 GMT+08:00 2014NOTE: Hbeat: instance first (grp 1)

Wed May 21 10:16:37 GMT+08:00 2014NOTE: start heartbeating (grp 1)

NOTE: cache opening disk 0 of grp 1: DATA_0000 path:/dev/rlv_asm1

Wed May 21 10:16:37 GMT+08:00 2014NOTE: F1X0 found on disk 0 fcn 0.0

NOTE: cache opening disk 1 of grp 1: DATA_0001 path:/dev/rlv_asm2

NOTE: cache opening disk 2 of grp 1: DATA_0002 path:/dev/rlv_asm3

NOTE: cache opening disk 3 of grp 1: DATA_0003 path:/dev/rlv_asm4

NOTE: cache mounting (first) group 1/0x2769BE7E (DATA)

NOTE: cache recovered group 1 to fcn 0.0

Wed May 21 10:16:37 GMT+08:00 2014NOTE: LGWR attempting to mount thread 1 for disk group 1

NOTE: LGWR mounted thread 1 for disk group 1

NOTE: opening chunk 1 at fcn 0.0 ABA

NOTE: seq=2 blk=0

Wed May 21 10:16:37 GMT+08:00 2014NOTE: cache mounting group 1/0x2769BE7E (DATA) succeeded

SUCCESS: diskgroup DATA was mounted

Wed May 21 10:16:39 GMT+08:00 2014NOTE: recovering COD for group 1/0x2769be7e (DATA)

SUCCESS: completed COD recovery for group 1/0x2769be7e (DATA)

查看ASM状态：

SQL> select name,state from v$asm_diskgroup;

NAME

--------------------------------------------------------------------------------

STATE

---------------------------------

DATA

MOUNTED

SQL> col name for a30

SQL> col path for a30

SQL> select name,path from v$asm_disk;

NAME                           PATH

------------------------------ ------------------------------

DATA_0000                      /dev/rlv_asm1

DATA_0001                      /dev/rlv_asm2

DATA_0002                      /dev/rlv_asm3

DATA_0003                      /dev/rlv_asm4

select path_kfdsk,state_kfdsk,asmname_kfdsk from x$kfdsk;

PATH_KFDSK     STATE_KFDSK ASMNAME_KFDSK

-------------- ----------- ----------------

/dev/rlv_asm1            2 DATA_0000

/dev/rlv_asm2            2 DATA_0001

/dev/rlv_asm3            2 DATA_0002

/dev/rlv_asm4            2 DATA_0003

ASMCMD> lsdg

State    Type    Rebal Unbal Sector Block       AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Name

MOUNTED EXTERN N      N         512   4096 4194304      1024      928                0             928              0 DATA/

1* select INDX,inst_id,group_kffil,number_kffil,filsiz_kffil,ftype_kffil from x$kffil

SQL> /

      INDX    INST_ID GROUP_KFFIL NUMBER_KFFIL FILSIZ_KFFIL FTYPE_KFFIL

---------- ---------- ----------- ------------ ------------ -----------

         0          1           1            1      4194304          15

         1          1           1            2      1048576          15

         2          1           1            3     46137344          15

         3          1           1            4      1392640          15

         4          1           1            5      1048576          15

         5          1           1            6      1048576          15

6 rows selected.

至此AIX使用LV创建ASM磁盘组操作完毕。

-----------------------------------------------------------------------------------------------------------------

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