3ware Escalade ATA RAID Controller Installation Guide24www.3ware.comvolumes, and, consequently, they cannot be designated as spares ata later time. If a spare is designated in the BIOS screen, the designa-tion and configuration is in effect from this point on. The sparedrive will be displayed as a Hot Spare in the 3DM configurationpage.3DM Configure PageIn order to designate an available drive as a spare from the 3DMconfigure page, you must ensure that the drive is not a JBOD driveor part of an existing array. To designate a drive as a Hot Sparefrom this page, you must use one of the two following methods:Replacing a Defective Drive with a SpareReplace the drive at the operating system level while the system ispowered. This should only be done with an approved and recog-nized hot swap drive-carrier. If you do not use an approved and rec-ognized hot swap drive-carrier, connecting interface cables andpower cables can/will crash the system from bus or power supplyissues. Select the checkbox next to the drive to be removed andclick Remove Drive. Select the same checkbox and then click AddSpare.Adding a Spare Drive to an Available PortTo add a new spare, follow the same steps except you will not berequired to remove a drive.Invoking the 3ware BIOS toolPower up or reboot your system. Before the boot phase, wait untilyou see a screen similar to Figure 4.3ware Disk Array Configuration Utilitywww.3ware.com 25Figure 4. 3ware BIOS ToolPress Alt-3 immediately to bring up the 3ware Disk Array Config-uration display.Note: If drives are attached and you do not want toinstall the 3ware BIOS, press Alt-b to bypass the BIOSinstallation. This is useful when booting temporarilyfrom another device.Exiting the 3ware BIOS toolTo save your configuration modifications hit the F8 key. After youhave hit the F8 key to commit your changes, a list of affected driveswill be displayed and you will be asked to confirm your configura-tion. The booting process will resume.To exit the 3ware Disk Array Configuration Utility without savingyour changes hit Esc.