Patent ID: 9454331
Filing Date: 2016-09-27
CPC Classification: G06F

Claim Text:
1. An object storage device of a cluster file system comprising a plurality of object storage servers and a plurality of object storage devices, comprising: a burst buffer appliance configured to communicate with said plurality of object storage servers of the cluster file system over a network; the burst buffer appliance further comprising: a controller configured to (i) implement storage tiering control functionality for at least first and second storage tiers comprising respective disjoint subsets of the plurality of object storage servers to control movement of data between the first and second storage tiers; and (ii) notify, in response to a read request for a first portion of a single logical file stored across a plurality of said object storage devices, at least one additional burst buffer appliance of at least one additional object storage device to implement a coordinated movement of data between first and second storage tiers of said at least one additional object storage device to pre-fetch at least one additional portion of said single logical file that is stored by said at least one additional object storage device; the object storage device being implemented utilizing at least one processing device coupled to a memory.