[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 [...] Read Charles Kim's Blog... |
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 [...] Read Charles Kim's Blog... |
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 [...] Read Charles Kim's Blog... |
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 [...] Read Charles Kim's Blog... |
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 [...] Read Charles Kim's Blog... |
In another post, we learned how to exploit all the ASMCA GUI features. asmca can be invoked with the -silent option and can effectively become a great command line interface.
You can create disk groups with the ASMCA configuration tool (ASMCA) or asmcmd command line interface as shown in this blog entry:
New ways to [...] Read Charles Kim's Blog... |