3Ware 9550SX-4LP User Guide - Page 150

Chapter 8. Configuring Units Specifying a Hot Spare through 3DM If you need to add a drive to be used as the hot spare, follow the instructions under "Adding a Drive through 3DM" on page 168. To specify a hot spare after the system is booted 1 In the Available Drives section of the Maintenance Page, select the drive by checking the box next to it. 2 Click Create Unit. 3 In the dialog box that appears, select the configuration type Spare. 4 Click Ok. You will see the spare appear at the top of the page, under Unit Maintenance. Specifying a Hot Spare through 3BM 1 On the main 3BM screen, in the list of Available Drives, highlight the drive you want to use. 2 Type s to specify that the selected drive will be the hot spare. You'll see the words "Hot Spare" appear next to the drive in the Available Drives list. Figure 61. Hot Spare Indicated If a hot spare is already enabled, you can disable it by pressing s again. 3 If you are finished making changes in 3BM, press F8 to save the changes and exit. Note: If the drive you designated as a spare is not large enough to replace a failed drive in a fault-tolerant unit, or if there is not a fault-tolerant unit for the spare to support, 3BM will notify you. 140 3ware Serial ATA RAID Controller User Guide