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Making or Changing a Standby Drive

A standby drive acts as a spare to support automatic data rebuilding after a physical drive in a fault tolerant (non-RAID 0) logical drive fails. For a standby drive to take the place of another drive, it must be at least equal in size to the failed drive. Also, the failed drive itself must be from a RAID 1, 3, or 5. You can have one or more standby drives associated with an array controller.

With this function, you can either assign a global or local standby drive or change a ready drive's state to standby or a standby drive's state to ready. A drive that is assigned as a global spare rebuilds if a member of an existing drive fails. You can have one or more standby drives associated with an array controller. Global spares are used in the order in which they are created. A local spare has to be assigned to a particular logical drive and only rebuilds for a member within that logical drive.

To assign a global or local standby drive or to change a ready drive's state to standby or a standby drive's state to ready:

  1. In the main window, select the desired array controller.
  2. Choose Configuration > Custom Configure or click the Custom Configuration Tool.
  3. If necessary, log into the configuration level of the program with the ssconfig password.

  4. Select Make or Change Standby Drives from the Custom Configuration Option window.
  5. SANscape displays the Make or Change Standby window.

  6. Check the server and the controller IDs at the top of the window.
  7. If you want to select a different server or controller, click Cancel to return to the SANscape tree view, select the correct server or controller from the tree view, and repeat steps 2 and 3.

  8. Select a drive to be assigned or changed.
  9. Change or assign the drive's state by selecting Ready, Global Standby, or Standby for LD# (local).
  10. Click Modify.
  11. Click Apply, and then click Close.
  12. Whenever you make changes to the configuration, you should save the new configuration to a file. For more information, see Saving the Logical Drive Configuration.
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