Abstract: A dual-axis RAID system includes a plurality of X-axis ordinal series of disks, configured to store parity data and a tape drive, and a Y-axis ordinal series of parity disks. The Y-axis series is smaller than the X-axis series, because the X-axis series contains an extra disk configured as a segment journal disk. The RAID system communicates with clients on a network a network via an SCI network interface.
Abstract: “A dual-axis RAID system includes a plurality of X-axis ordinal series of disks, configured to store parity data and a tape drive, and a Y-axis ordinal series of parity disks. The Y-axis series is smaller than the X-axis series, because the X-axis series contains an extra disk configured as a segment journal disk. The RAID system communicates with clients on a network a network via an SCI network interface.
Type:
Grant
Filed:
March 7, 2002
Date of Patent:
September 21, 2004
Assignee:
Canopy Group
Inventors:
Jeffrey Vernon Merkey, Robert Timothy Wilcox