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ACFS command-line tools available in Oracle Database 11g Release 2  E-mail
To support all the greatest ASM cluster file system functionality in Oracle Database 11g Release 2, Oracle provides set of command-line tools available for all Unix and Windows platforms. Here’s a summary of all the available commands: acfsdbg Debugs an Oracle ACFS file system. acfsutil info Displays various Oracle ACFS file system information. acfsutil registry Registers an [...]
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Configure ACFS for auto-startup for non-RAC database servers  E-mail
[root@rac9 bin]# ./acfsload start -s [root@rac9 bin]# lsmod |grep -i ora oracleacfs 781476 0 oracleadvm 212736 0 oracleoks 224864 2 oracleacfs,oracleadvm oracleasm [...]
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Volume Management with asmcmd  E-mail
Creating Volumes with the volcreate command ASMCMD> volcreate -G lobdata -s 4g vol_lob2 Note: You can not create a mirror or high redundancy volume on an external redundant disk group. ASMCMD> volcreate -G lobdata -s 4g --redundancy mirror vol_lob2 ORA-15032: not all alterations performed ORA-15471: volume redundancy incompatible with diskgroup redundancy (DBD ERROR: OCIStmtExecute) Displaying volume information with the volinfo [...]
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Rename Disk Group  E-mail
As of Oracle Database 11g Release 2, we can now rename disk groups. Why is this important? There’s two great reason why I think this feature is really beneficial for lot of companies. First, companies who leverage hardware mirroring or triple mirroring technologies such as EMC Business Continuity Volumes (BCV) or Hitachi [...]
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Ways to mount and dismount disk groups in Oracle Database 11g Release 2  E-mail
Prior to Oracle Database 11g Release 2, you had to issue the following commands in sqlplus to mount and dismount a diskgroup: SQL> alter diskgroup fra mount; Diskgroup altered. SQL> alter diskgroup fra dismount; Diskgroup altered. As of Oracle Database 11g Release 2, an easier and more SA friendly approach is provided with asmcmd: ASMCMD> mount fra Looking at the disk group [...]
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New ways to create disk groups in Oracle Database 11g Release 2  E-mail
Guess what? As of Oracle Database 11g Release 2, we can create disk groups using the asmcmd command. Check out one of the new ways we can create a diskgroup using an XML file as a template. The mkdg ASMCMD command can accept an xml file as a parameter to create a [...]
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