Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition
Reexamination Certificate
2005-04-19
2005-04-19
Padmanabhan, Mano (Department: 2188)
Electrical computers and digital processing systems: memory
Storage accessing and control
Specific memory composition
C711S111000, C711S112000, C711S203000, C709S206000, C709S207000, C709S208000, C714S006130
Reexamination Certificate
active
06883065
ABSTRACT:
A fiber channel storage area network (SAN) provides virtualized storage space for a number of servers to a number of virtual disks implemented on various virtual redundant array of inexpensive disks (RAID) devices striped across a plurality of physical disk drives. The SAN includes plural controllers and communication paths to allow for fail-safe and fail-over operation. The plural controllers can be loosely-coupled to provide n-way redundancy and have more than one independent channel for communicating with one another. In particular, respective portions from each of the back-end physical disk drives within the SAN are used as one of these alternative communication channels to pass messages between controllers. Such an alternative communications channel provides even further redundancy and robustness in the system.
REFERENCES:
patent: 4858152 (1989-08-01), Estes
patent: 5499340 (1996-03-01), Barritz
patent: 5715389 (1998-02-01), Komori et al.
patent: 5726910 (1998-03-01), Toma
patent: 5745692 (1998-04-01), Lohmann, II et al.
patent: 5748874 (1998-05-01), Hicksted et al.
patent: 5774643 (1998-06-01), Lubbers et al.
patent: 6023507 (2000-02-01), Wookey
patent: 6148414 (2000-11-01), Brown et al.
patent: 6289368 (2001-09-01), Dentler et al.
patent: 6304980 (2001-10-01), Beardsley et al.
patent: 6327677 (2001-12-01), Garg et al.
patent: 6425006 (2002-07-01), Chari et al.
patent: 6519677 (2003-02-01), Fuente
patent: 6567889 (2003-05-01), DeKoning et al.
patent: 6578158 (2003-06-01), Deitz et al.
patent: 6681339 (2004-01-01), McKean et al.
patent: 20030204539 (2003-10-01), Bergsten
patent: 20030212864 (2003-11-01), Hicken et al.
patent: 20040068591 (2004-04-01), Workman et al.
Olson Mark David
Pittelkow Michael Henry
McDermott Will & Emery LLP
Namazi Mehdi
Padmanabhan Mano
Xiotech Corporation
LandOfFree
System and method for a redundant communication channel via... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with System and method for a redundant communication channel via..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and System and method for a redundant communication channel via... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3409466