The boot code is typically handled by the motherboard BIOS, but can optionally be handled by the host adapter BIOS with some Adaptec host adapters. IRQ Interrupt Request Channel. Isochronous Data Transfer Data transfer that is matched to a clock so that data is sent at a fixed rate. J JBOD Just a Bunch Of Drives. Refers to a rank of disks without data redundancy or striping.
Full redundancy is obtained by duplicating all data from a primary disk on a secondary disk.
Mean time before data loss. The average time before the failure of a RAID system component causes data to be lost or corrupted. Mean time between failure. In addition, enhanced enclosure environments used with RAID systems to increase uptime can further limit the applicability of MTBF ratings for RAID solutions. Mean time of data availability.