ASM_DISKGROUPSでは、ALTER DISKGROUP ALL MOUNT文の発行時にOracle ASMインスタンスが起動時にマウントするディスク・グループ名のリストを指定します。 特性説明 パラメータ・タイプ 文字列 構文 ASM_DISKGROUPS = diskgroup [, diskgroup ] ... デフォルト値 デフォルト値はありません...
ASM_DISKGROUPS specifies a list of disk group names that an Oracle ASM instance mounts at startup when the ALTER DISKGROUP ALL MOUNT statement is issued.
ASM_DISKGROUPS参数指定了在Oracle ASM启动时所要MOUNT的磁盘组名称,默认值为null,即ASM启动时会执行ALTER DISKGROUP MOUNT ALL。默认情况下,该参数有Oracle来维护,当磁盘组NOMOUNT或DROP时,相应的磁盘组将被从参数中移除。Oracle不建议手动维护该参数。 注意:如果使用SPFILE启动ASM,则Oracle自动管理该参数。如果是PFILE...
check the parameter asm_diskstring , if this is set incorrectly the asm diskgroups will not mount and if you parameter files is in ASM you wont have access to it .. so what do you do check what the asm_diskstring was set to in the alert log Diskstring chnaged to ORCL:* Check the l...
ORA-15110: no diskgroups mounted (1)分析认为是由于ORA-00099引起,无法找到diskgroup。 (2)在网上搜索得到asm参数文件的配置格式如下: asm_diskstring='/dev/oracleasm/disks/DISK*' asm_diskgroups='DATA' asm_power_limit=1 diagnostic_dest='/opt/oracle' ...
1. Ensure that you have a prior RMAN backup of all databases using ASM 2. Shut down your ASM instance(s) 3. Re-create your ASM disk group(s) 4. Restore databases Step 1: Ensure that you have a prior RMAN backup of all databases using ASM ...
How many ASM diskgroups? ASM disk sizes and counts Resizing existing ASM disks ScaleIO volumes, ASM diskgroup, and database datafile relationship ASM redundancy Allocation Unit (AU) size ASM extents ASM stripesize, coarse, and fine grained striping ASM maximum I/O size ASM disk...
单项选择题ASM实例的初始化参数ASM_DISKGROUPS的值是DATA、RECOV和DATA2。启动ASM实例时会出现什么情况 A.发出ALTER DISKGROUP MOUNT命令前什么都不会发生 B.ASM实例自动安装磁盘组,可以手动安装未在列表中列出的任何磁盘组 C.ASM_DISKGROUPS仅对RDBMS实例有效 ...
Move datafiles in ASM diskgroups with minimum downtime. 1. Take level 0 datafile copy as a base to the new Diskgroup. This copy has either a system-defined or user-defined tag. 2. Periodically take level 1 differential backups created with the same tag as the level 0 datafile copy. ...
初始化参数asm_diskgroups指定了在ASM实例启动时,或执行alter diskgroup all mount语句时,被挂载的磁盘组的名字,即当ASM实例启动的时候,会挂载这个参数指定的所有磁盘组,或当执行alter diskgroup all mount/dismount语句时,也会挂载这个参数指定的所有磁盘组。