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Qumulo Assigned Two Patents

Managing storage quotas in shared storage, data mobility, accessibility, and consistency in data storage

Managing storage quotas in shared storage
Qumulo, Inc., Seattle, WA, has been assigned a patent (10,095,729) developed by Taron, Philip, Jakubowski, Patrick, and Bernotavicius, Remi, Seattle, WA, for “
managing storage quotas in a shared storage system.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A facility for managing filesystem object storage quotas, (i.e., size limits) in a storage environment is disclosed. The facility enables users to establish, modify, and remove quotas on directories and files within a filesystem. Each quota acts as a soft limit on the size of the associated filesystem object, including any child objects of the filesystem object. The facility improves the speed at which the system can test for and identify violations of quotas established for individual filesystem objects by using aggregation and reconciliation techniques rather than constantly traversing a filesystem in its entirety to test for violations of quotas.

The patent application was filed on March 30, 2017 (15/474,047).

Data mobility, accessibility, and consistency in data storage
Qumulo, Inc., Seattle, WA, has been assigned a patent (10,095,708) developed by Passey, Aaron, Fachan, Neal, and Godman, Peter, Seattle, WA, for “
data mobility, accessibility, and consistency in a data storage system.

The abstract of the patent published by the U.S. Patent and Trademark Office states: “A transactional block storage system is provided which is capable of supporting a single-phase commit for data writes specifying a protected storage unit. The storage system includes a data storage map that logically links the protected data storage unit to two or more block storage units associated with a layer of the protected data storage unit. The storage system also includes an address abstraction layer which translates write requests to the block storage units and resolves whether those write requests are atomically committed to the storage system in a single phase transaction. The address abstraction layer is further configured to detected when a block storage unit becomes unavailable during a transaction and create a cleaning kit for that block in order to prevent data loss. Additionally, the address abstraction layer facilitates moving, copying, and merging of block storage units without global locking in the storage system.

The patent application was filed on March 13, 2015 (14/658,015).

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