How to add and replace hard disks in oracle rac
Oracle RAC hard disk new and replacement operations: Add hard disk: Add new disks, create ASM disk groups, add to clusters, move data files. Replace hard disk: Identify the failed hard disk, close the disk group, replace the hard disk, reopen the disk group, repair the failed disk, and move the data files.
Oracle RAC hard drive addition and replacement operations
Added a hard disk
- Add a new disk: Physically add a new disk to the server and connect it to each node in the Oracle RAC cluster.
- Create an Oracle ASM disk group: Create a new disk group in Oracle ASM and add a new disk.
- Add an ASM disk group to the cluster: Use the ASMCMD or srvctl command to add a new ASM disk group to the RAC cluster.
- Add a tablespace or data file to an ASM disk group: Create or move a new tablespace or data file to a new ASM disk group.
Replace the hard disk
- Identify a failed hard disk: Use the ASMCMD or srvctl command to identify a failed or failed hard disk.
- Close Disk Group: Close the disk group containing the failed hard disk on all nodes.
- Replace the hard drive: Physically replace the failed hard drive.
- Reopen disk group: Reopen disk group on all nodes.
- Repair the failed disk: Use the ASMCMD or srvctl command to repair the replaced new hard disk.
- Move data files to new hard drive: Move data files from the failed hard drive to the replaced new hard drive.
hint:
- Before performing any actions, make sure that all nodes' data are synchronized.
- Use the ASMCMD or srvctl command to perform all ASM and RAC related operations.
- Always keep disk redundant in the cluster to ensure data security.
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