摘要:
The instant invention broadly contemplates balancing of asymmetric RAID arrays based on application usage patterns. The instantly claimed invention broadly contemplates balancing the type of workload and delivery of the work load in asymmetric RAID arrays by intelligently implementing different types of applications on disks strategically positioned to deliver workload to the RAID channel that is most capable of handling the work load. The invention makes use of the fact that some applications are more large block, sequential transfer dependant while other applications are more small block, high random, high IOP dependent, and places these applications accordingly within the asymmetric RAID array.
摘要:
The instant invention broadly contemplates balancing of asymmetric RAID arrays based on application usage patterns. The instantly claimed invention broadly contemplates balancing the type of workload and delivery of the work load in asymmetric RAID arrays by intelligently implementing different types of applications on disks strategically positioned to deliver workload to the RAID channel that is most capable of handling the work load. The invention makes use of the fact that some applications are more large block, sequential transfer dependant while other applications are more small block, high random, high IOP dependent, and places these applications accordingly within the asymmetric RAID array.
摘要:
An apparatus and method are disclosed for distributing writes asymmetrically. An asymmetric distribution module calculates an asymmetric distribution of writes for a plurality of drives. A write module writes data to each drive in accordance with the asymmetric distribution of writes.
摘要:
Arrangements and methods for implementing a “spin-down policy” for HDD motors that is “smart”, flexible and admirably achieves an objective of ensuring prolonged motor life as just discussed. To this end, one specific implementation involves (among other things) the addition of a dedicated cache that acts as a buffer element of sorts for writing or obtaining data during a period when a motor may be spun down, especially (but not necessarily exclusively) in instances when a notebook needs to be running for a large portion of the day. Other analogous implementations are of course possible that would achieve similar ends.
摘要:
Arrangements and methods for implementing a “spin-down policy” for HDD motors that is “smart”, flexible and admirably achieves an objective of ensuring prolonged motor life as just discussed. To this end, one specific implementation involves (among other things) the addition of a dedicated cache that acts as a buffer element of sorts for writing or obtaining data during a period when a motor may be spun down, especially (but not necessarily exclusively) in instances when a notebook needs to be running for a large portion of the day. Other analogous implementations are of course possible that would achieve similar ends.
摘要:
Systems and methods for managing adjacent track interference in a hard drive. An adjacent track interference potential is ascertained in a region of the hard drive, and data corruption is averted via scrubbing data in the region with ascertained adjacent track interference potential, wherein limits of this region are defined.
摘要:
Systems and methods for managing adjacent track interference in a hard drive. Adjacent track interference potential is ascertained in at least one track, and data corruption is averted via scrubbing data in at least one track with ascertained adjacent track interference potential.
摘要:
An apparatus and method are disclosed for distributing writes asymmetrically. An asymmetric distribution module calculates an asymmetric distribution of writes for a plurality of drives. A write module writes data to each drive in accordance with the asymmetric distribution of writes.
摘要:
Systems and methods for managing adjacent track interference in a hard drive. An adjacent track interference potential is ascertained in a region of the hard drive, and data corruption is averted via scrubbing data in the region with ascertained adjacent track interference potential, wherein limits of this region are defined.
摘要:
Systems and methods for managing adjacent track interference in a hard drive. Adjacent track interference potential is ascertained in at least one track, and data corruption is averted via scrubbing data in at least one track with ascertained adjacent track interference potential.