DRIVE UTILIZATION IN MULTI-TIERED SYSTEMS WITH READ-INTENSIVE FLASH

According to one embodiment, a method, computer system, and computer program product for adjusting tiering based on operation types in a multi-tier storage system is provided. The present invention may include retrieving an extent to be managed and operations associated with the extent; analyzing th...

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Bibliographic Details
Main Authors Ainscow, Alexander H, Clifton, John M, Chen, Duo, Patel, Kushal, Patel, Sarvesh
Format Patent
LanguageEnglish
Published 07.11.2019
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:According to one embodiment, a method, computer system, and computer program product for adjusting tiering based on operation types in a multi-tier storage system is provided. The present invention may include retrieving an extent to be managed and operations associated with the extent; analyzing the operations of the extent to determine an IO pattern associated with the extent; receiving a list of storage devices within the multi-tier storage system; querying each storage device of the storage devices for suitable pattern types; selecting, based on the querying and the IO pattern associated with the extent, a suitable storage device; and transferring the extent to the suitable storage device.
Bibliography:Application Number: US201815970906