Redundancy Level Minimum Number of Disks Database Files Recovery Files Both File Types External 1 1.15 GB 2.3 GB 3.45 GB Normal 2 2.3 GB 4.6 GB 6.9 GB High 3 3.45 GB 6.9 GB 10.35 GB 11G: 从11G开始,ASM支持OCR和Voting Disk Files存放,OCFS淘汰,开始大量使用ASM。
批量扩容ASM磁盘组 SQL> alter diskgroup DATA add disk '/dev/oracleasm/disks/DATA3' rebalance 10; Diskgroup altered. SQL> alter diskgroup DATA add disk '/dev/oracleasm/disks/DATA4' rebalance 10; Diskgroup altered. SQL> alter diskgroup DATA add disk '/dev/oracleasm/disks/DATA5' rebalance 10...
SQL> create diskgroup test external redundancy disk '/dev/emcpowerdv1' 2 /create diskgroup test external redundancy disk '/dev/emcpowerdv1'*ERROR at line 1:ORA-15018: diskgroup cannot be createdORA-15080: synchronous I/O operation to a disk failed...
public static ExternalAsmDiskGroupSummary.RedundancyType[] values() Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: for (ExternalAsmDiskGroupSummary.RedundancyType...
If the diskgroup uses external redundancy then -external should be specified. These values will be compared against any valid disks found in the diskgroup and they must be the same.5. -directory <string>: This option completely eliminates ...
Oracle Server - Enterprise Edition - Version: 11.2.0.2 to 11.2.0.2 - Release: 11.2 to 11.2 you cannot create more than 1 voting diskin the same or on another/different diskgroup disk whenusing External Redundancy in 11.2. The rules are as follows: ...
create diskgroup DATADG external redundancy disk '/dev/asm-diskb' ATTRIBUTE 'compatible.rdbms'='11.2','compatible.asm'='11.2'; 1. 2. 2.给磁盘组加盘 su - grid sqlplus / as sysasm alter diskgroup 磁盘组的名字 add disk '/dev/rhdisk5' rebalance power 5; ...
Example 1 : External Redundancy SQL> create diskgroup DATA external redundancy disk '/dev/oracleasm/disks/DISK1' name DATA_1; Example 2 : Normal Redundancy SQL> CREATE DISKGROUP data NORMAL REDUNDANCY FAILGROUP failure_group_1 DISK '/dev/oracleasm/disks/DISK2' NAME DATA_2,'/dev/oracleasm/di...
ASMCMD-08029: Cannot change diskgroup redundancy from 'string' to 'string' Cause: The disk group redundancy must be either NORMAL or HIGH to perform this operation. Action: Try again with a NORMAL or HIGH redundancy disk group. ASMCMD-08030: file 'string' specified with 'sparse_merge_...
CREATE DISKGROUP fra NORMAL REDUNDANCY DISK '/devices/diskc*'; See Also: For information about using ASMLib when creating disk groups, refer to the Oracle ASMLib page on the Oracle Technology Network Web site at http://www.oracle.com/technetwork/topics/linux/asmlib/index-101839.html...