Starting device parity protection with hot spare protection

This topic provides instructions for starting device parity protection with hot spare protection.

Note: Start of changeBefore proceeding with this section, read the Hot spare protection concepts and Planning for hot spare protection sections.End of change

Start of changeOn the following Start Parity screens, only the device parity sets that can be protected by a hot spare are shown. If you do not see all the parity sets and IOAs expected, the system is unable to create the necessary hot spare devices required. Refer to the Troubleshooting hot spare protection section for possible reasons.End of change

To start device parity protection with hot spare protection using Start of changeIBM® Navigator for iEnd of change, follow these steps:

  1. Select Configuration and Service from your Start of changeIBM Navigator for iEnd of change window.
  2. Select Show All Configuration and Service Tasks.
  3. Select Start Parity.
  4. In the Hot Spare Protection drop down list select Yes.

To start device parity protection with hot spare protection using System i® Navigator, take the following steps:

  1. In System i Navigator, expand My Connections.
  2. Start of changeExpand the system you want to start device parity protection on Configuration and Service > Hardware > Disk Units.End of change
  3. Right-click Parity Sets and select Start Parity.
  4. In the Hot Spare Protection drop down list select Yes.
To start device parity protection with hot spare protection with the command line, take the following steps:
  1. Start System Service Tools (STRSST), and specify the user name and password.
  2. On the System Service Tools (SST) display, select Work with disk units.
  3. On the Work with Disk Units display, select Work with disk configuration.
  4. On the Work with Disk Configuration display, select Work with device parity protection.
  5. On the Work with device parity protection display, select Start device parity protection - RAID 5 with hot spare or Start device parity protection - RAID 6 with hot spare depending on the level of parity protection that is desired
Note: If a hot spare disk unit of the correct capacity exists for this IOA, any new device parity set is hot spare protected even if you do not select hot spare protection.
Note: If there is a sufficient number of hot spare disk units already available, the system will not create any additional hot spares.
Parent topic: Device parity protection