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Work with device parity protection
This topic provides information about working with device parity protection. Device parity protection is a data redundancy feature available on some storage media units.
Select
this option to perform the system functions that handle device parity
protection on the system. It is maintained across all the units that
are within the parity set. If one unit fails, the units within the
set handle the functions for the failed unit. This type of protection
can improve system availability and reduce the possibility of data
loss. The following options are available:
- Display device parity status
- Select this option to show the status of disk unit subsystems that have device parity protection.
- Start device parity protection
- Use this option to begin the process of protecting data on the
system. Options include:
- Start device parity protection - RAID 5
- Start device parity protection - RAID 6
- Start device parity protection - RAID 5 with hot spare protection: This option automatically starts and configures RAID 5 with hot spare protection.
- Start device parity protection - RAID 6 with hot spare protection: This option automatically starts and configures RAID 6 with hot spare protection.
- Stop device parity protection
- This option allows you to end device parity protection.
- Include unit in device parity protection
- This option allows you to add an unprotected disk unit to an existing parity set.
- Exclude unit in device parity protection
- This option allows you to remove a disk unit from a parity set.
- Select parity optimization
- This option allows you to optimize parity.
