Starting device parity protection
The best time to start device parity protection is when you add new or non-configured disk units. The Add a disk unit or disk pool wizard has steps for including disk units in a parity set and starting device parity protection.
Notes:
- All disk units in a parity set must be the same capacity.
- Systems with IOAs released before V5R2 of OS/400®, the minimum number of disk units for a RAID 5 parity set is 4. The maximum number of disk units in a parity set is 10.
- Systems with IOAs released after V5R2 can have a minimum number of 3 disk units for a RAID 5 parity set. The maximum number of disk units in a parity set is 18.
- The minimum number of disk units in a RAID 6 parity set is 4. The maximum number of disk units in a parity set is 18.
Follow these steps to start parity protection using IBM® Systems Director Navigator for i5/OS.
- Select Configuration and Service from your IBM Systems Director Navigator for i5/OS window.
- Click Show All Configuration and Service Tasks.
- Select Parity Sets.
- From the Select Actions menu, select Start Parity.
Follow these steps to start parity protection using System i® Navigator.
- In System i Navigator, expand My Connections (or your active environment).
- Expand the System i you want to examine,.
- Select the disk units for which you want to start device parity protection.
- Right-click a selected disk unit and select Start Parity.
- Select the level of RAID protection you want.
- From the resulting window, click Start Parity to start device parity protection on the displayed disk units.