Time budgeting by determining status of a streaming buffer...

Details Time budgeting by determining status of a streaming buffer... Time budgeting by determining status of a streaming buffer...

2005-07-18

2009-11-17

Peyton, Tammara (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Data transfer specifying

C710S052000, C710S053000, C710S060000, C711S100000, C711S114000

Reexamination Certificate

active

07620750

ABSTRACT:
Between data accesses to a storage medium, requested by an initiator, a logical unit may need to perform autonomous operations. The logical unit receives information from the initiator to allow the logical unit to estimate whether the stream buffer of the initiator is reaching a critical level. Based on this estimate, the logical unit can determine whether to perform or continue autonomous operations such as error recovery; physical maintenance of a drive mechanism or storage medium; or relative positioning between the drive mechanism and storage medium. The estimate also allows a flexible, rather than a fixed, time-out.

REFERENCES:
patent: 2006/0262691 (2006-11-01), Lenaerts
patent: 1160787 (2001-12-01), None
patent: WO20040102559 (2004-11-01), None

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