Temporarily Limiting I/O Operations To A Storage Device
AssigneePure Storage, Inc.
InventorsANDREW BERNAT, ANTHONY NIVEN, MARK FAY, PUSHKAR MAHESH SHIRALI, RONALD KARR
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Abstract
Temporarily limiting access to a storage device, including: determining that a storage device of a plurality of storage devices in a storage system is operating outside of a defined performance range; determining that the storage device operating outside of the defined performance range may be caused by a rehabilitative action performed on the storage device; and modifying a storage operation issuance policy for one or more storage devices of the plurality of storage devices until a determination that the storage device is operating within the defined performance range.
Claims20
A method comprising:
- determining a change in performance at a storage device of a plurality of storage devices in a storage system;
- and
- based on the determination, limiting issuance to the storage device of one or more modifying operations directed to a RAID stripe stored by the storage device.
An apparatus configured to perform steps comprising:
- determining a change in performance at a storage device of a plurality of storage devices in a storage system;
- and
- based on the determination, limiting issuance to the storage device of one or more modifying operations directed to a RAID stripe stored by the one or more storage devices.
Dependencies are inferred from the claim text.