In recent computer systems, the overall performance can easily be limited by the I/O processing of the storage control apparatus. As a result, for I/O from a computer, the storage control apparatus must execute each I/O process at the maximum capacity possible with that storage control appara...
A disk array system including a plurality of disk drives, including: a plurality of first-type disk drives being used to form a first-type logical unit having a plurality of a first
1.A storage control system, which connects to a host with a standard disk device driver, the system comprising:a first bus, which receives and transmits data;a host interface controller, which electrically connects to the host for receiving commands and data sent by the host or sending the ...
Provided are a storage controller and a storage control method capable of improving the transaction performance. This storage controller includes a disk controller for receiving a r
5. The storage system according to claim 3, wherein the external storage subsystem exists in a plurality; wherein each of the plurality of external storage subsystems comprises one or more of the second volumes; wherein the plurality of external storage subsystems are separated into a plurality...
systems. That is, while a plurality of storage control apparatus are connected via a network to each other under communicatable condition, since the entire storage system is managed in a unification manner, resources held in the respective storage control apparatus may be effectively used (see JP...
Dual-controller storage systems and methods for controlling the dual-controller storage systems are provided. The dual-controller storage system may include a first controller, a se
EP1596303 2005-11-16 Fault recovery method in a system having a plurality of storage systems EP1643353 2006-04-05 Storage controller, storage control system and storage control method EP2104028 2009-09-23 High availability and low capacity thin provisioning data storage system EP2163978 2010-03-...
1.A storage control system for performing data processing according to a request from a host system, comprising:a first storage controller; anda second storage controller connected to said first storage controller and having a first logical volume and a second logical volume, wherein said first sto...
control information, and wherein if the specific control information is identical to the other control information, the processor uses the specific control information stored in the local memory; and if the specific control information is not identical to the other control information, the processor ...