oracle 函数 disk Oracle能够识别asm diskgroup 但却不能够访问disk

初步怀疑是asm的问题, asm diskgroup虽然mount上了, 但是diskgroup下的disk没有打开?!

以下是asm的后台日志:

SQL> alter diskgroup RACDB_DATA mount

NOTE: cache registered group RACDB_DATA number=2 incarn=0xee40150a

NOTE: cache began mount (not first) of group RACDB_DATA number=2 incarn=0xee40150a

NOTE: Assigning number (2,17) to disk (/dev/oracleasm/disks/DATAVOL18)

NOTE: Assigning number (2,9) to disk (/dev/oracleasm/disks/DATAVOL10)

NOTE: Assigning number (2,10) to disk (/dev/oracleasm/disks/DATAVOL11)

NOTE: Assigning number (2,11) to disk (/dev/oracleasm/disks/DATAVOL12)

.......

kfdp_query(RACDB_DATA): 5

Fri Jul 22 13:22:41

kfdp_queryBg(): 5

NOTE: cache opening disk 21 of grp 2: RACDB_DATA_0021 path:/dev/oracleasm/disks/DATAVOL22

NOTE: cache opening disk 22 of grp 2: RACDB_DATA_0022 path:/dev/oracleasm/disks/DATAVOL23

NOTE: cache opening disk 23 of grp 2: RACDB_DATA_0023 path:/dev/oracleasm/disks/DATAVOL24

NOTE: cache opening disk 24 of grp 2: RACDB_DATA_0024 path:/dev/oracleasm/disks/DATAVOL25

NOTE: cache mounting (not first) external redundancy group 2/0xEE40150A (RACDB_DATA)

Fri Jul 22 13:22:41

kjbdomatt send to inst 2

Fri Jul 22 13:22:41

NOTE: attached to recovery domain 2

Fri Jul 22 13:22:41

NOTE: LGWR attempting to mount thread 2 for diskgroup 2 (RACDB_DATA)

NOTE: LGWR found thread 2 closed at ABA 788.8061

NOTE: LGWR mounted thread 2 for diskgroup 2 (RACDB_DATA)

NOTE: LGWR opening thread 2 at fcn 0.38458460 ABA 789.8062

NOTE: cache mounting group 2/0xEE40150A (RACDB_DATA) succeeded

NOTE: cache ending mount (success) of group RACDB_DATA number=2 incarn=0xee40150a

Fri Jul 22 13:22:41

kfdp_query(RACDB_DATA): 6

kfdp_queryBg(): 6

NOTE: Instance updated compatible.asm to 11.2.0.0.0 for grp 2

SUCCESS: diskgroup RACDB_DATA was mounted

Fri Jul 22 13:22:43

NOTE: diskgroup resource ora.RACDB_DATA.dg is online

SUCCESS: alter diskgroup RACDB_DATA mount