Resources Contact Us Home
Quality of service for data storage volumes

Image Number 9 for United States Patent #7418531.

The invention classifies volumes (e.g., file systems or LUNs) of a data storage system according to application requirements and allocates space for the volumes on storage devices (e.g., hard disk drives) accordingly. A person such as an IT administrator configures the volumes specifying size, type (e.g., file system or SAN LUN), and priority (e.g., high, medium, low, or archive). The host schedules I/O requests to the storage devices in priority queues using the volume definition to match the application requirements and reduce storage seek time between volumes of different priorities. The host also allocates high performance bands of the storage devices to high performance applications and lower performance bands to lower performance applications. In this manner, the data storage system places data on the band of the storage device that best supports its performance needs.

  Recently Added Patents
Voltage generating system and memory device using the same
Dry-cooling unit with gravity-assisted coolant flow
Pharmaceutical compositions of entacapone, levodopa and carbidopa with improved bioavailability
Power generating apparatus of renewable energy type and method of attaching and detaching blade
Audiovisual multi-room support
Data communication system, data transmitting apparatus, data transmitting method, and method for determining packet size and redundancy
  Randomly Featured Patents
Apparatus for making interconnect seed layers and products
Manufacture of specialty ice cream products
Extendible leg
Window balance spring cover friction system
Direct drive rotor with metal coupler
Electrical connector having a LED device thereon
Lighting device and lighting method
Method for the operation of a fuel cell
Remote control engine starting device for vehicle
Piperidine and piperazine phenyl sulphonamides as modulators of ion channels