(57) ABSTRACT A mechanism is provided for provisioning and allocating logically extended
virtual disks. Responsive to an identifica tion of a negative operational issue with a storage …

In one embodiment, the present invention is a method of dynamic data logging in a storage
Subsystem, comprising determining whether a plurality of Storage devices have been …

3,876,978 A 4, 1975 Bossen et al. 4,092,732 A 5, 1978 Ouchi 4,201.976 A 5, 1980 Patel
4,205,324 A 5, 1980 Patel 4,375,100 A 2/1983 Tsuji et al. 4,467,421 A 8, 1984 White …

(57) ABSTRACT A method of managing storage comprises connecting a number of virtual
disks to a disk controller loop of a disk controller, and mounting a portion of the number of …

(57) A method of reallocating data among physical disks corre sponding to a logical disk is
provided. A logical disk is partitioned into a plurality of groups, each group comprising at …

A set of disks in a plurality of disk arrays are configured to have one or more spare partitions.
Upon detecting a faulty disk in a faulty array, the method involves the steps of:(a) migrating …

Storage is provisioned. By a user interface hosted at a storage system, a user is allowed to
affect a set of storage system configuration settings residing on the storage system. The set …

(57) ABSTRACT A method and system for eliminating the redundant alloca tion and
deallocation of special data on disk, wherein the redundant allocation and deallocation of …

(57) ABSTRACT A method and system for eliminating the redundant alloca tion and
deallocation of special data on disk, wherein the redundant allocation and deallocation of …

(57) ABSTRACT A method and system for eliminating the redundant alloca tion and
deallocation of special data on disk, wherein the redundant allocation and deallocation of …