Chapter 3: About Your RAID Controller ● 17● Copyback Hot Spare—You can use this feature to move data from a hot spare back to itsoriginal location after a failed disk drive is replaced.● Striped Mirror (RAID 1E)—A RAID 1 Enhanced array is similar to a RAID 1 array exceptthat data is both mirrored and striped, and more disk drives can be included.● Hot Space (RAID 5EE)—A RAID 5EE array is similar to a RAID 5 array except that itincludes a distributed spare and must be built from a minimum of four disk drives.● Dual Drive Failure Protection (RAID 6)—A RAID 6 array is similar to a RAID 5 arrayexcept that it includes two independent sets of parity data instead of one.● Dual Drive Failure Protection (RAID 60)—A RAID 60 array is similar to a RAID 50 arrayexcept that it includes four independent sets of parity data instead of two.Adding a Battery Backup ModuleThis table shows the battery model supported by your Adaptec RAID controller.To purchase a battery backup module, refer to the Adaptec Web site at www.adaptec.com.Upgrading the Controller FirmwareTo upgrade the firmware on your Adaptec RAID controller, follow the instructions in Usingthe Adaptec Flash Utility on page 101. You can also use the Adaptec Storage Manager toupgrade your controller firmware, refer to the Adaptec Storage Manager User’s Guide.RAID Controller Battery ModelAdaptec RAID 5085/Adaptec RAID 5405/Adaptec RAID5445/Adaptec RAID 5805/Adaptec 51245/Adaptec 51645/Adaptec 52445Adaptec Battery Module 800Adaptec Battery Module 800T
