Patent ID: 11947843
Assignee: KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. A method of controlling RAID controller, comprising:
generating, by the RAID controller, a command sequence; and
transmitting, by the RAID controller, when a first cache barrier command included in the command sequence is identified, at least one cache barrier command to all of disks constituting a RAID before transmitting a first write command arranged after the first cache barrier command in the command sequence to one of the disks constituting the RAID,, wherein,
the RAID controller is configured to generate a cache barrier stripe composed of cache barrier commands based on the first cache barrier command, and then transmit the cache barrier stripe to the disks constituting the RAID at a first time slot, and
the first write command arranged right after the first cache barrier command in the command sequence is transmitted to one of the disks at a second time slot right after the first time slot.