A semi-static distribution technique distributes parity across disks of an array. According to
the technique, parity is distributed (assigned) across the disks of the array in a manner that …

The present invention, in some embodiments thereof, relates to a method and apparatus for
secure data storage in RAID memory devices and, more particularly, but not exclu sively, to …

Methods and apparatuses for enhanced protection of data stored in a FLASH memory
system involve a controller capable of adapting to the failure of one or more FLASH memory …

A takeover system and method for high availability in the face of component failures for a
multiple-node storage system cluster is provided. When a takeover is triggered either …

A method, information processing system, and computer program storage product for
managing disk failures in a disk array. At least one disk in a first disk array is determined to …

Methods and apparatuses for reduction of Read Disturb errors in a NAND FLASH memory
system comprise a controller configured to organize FLASH memory devices into blocks …

In various embodiments, an apparatus, system, and method may increase data integrity in a
redundant storage system. In one embodiment, a request is received for data stored at a …

We present a new family of XOR-based erasure codes primarily targeted for use in disk
arrays. These codes have a unique data/parity layout, with both horizontal and vertical parity …

An apparatus, system, and method are disclosed for detecting and replacing failed data
storage. A read module reads data from an array of memory devices. The array includes two …

AGGREGAEB AGGREGAEC fails, new data may still be accessed by the system (the striped
aggregates), both to write new data, and to read data stored on the failed aggregate. In …