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Infinidat Assigned Four Patents

Storage system and accessing logical volumes, storage system capable of managing plurality of snapshot families, storage system and mapping addresses of snapshot families

Storage system and accessing logical volumes
Infinidat Ltd., Herzliya, Israel has been assigned a patent (9,311,019) developed by Winokur, Alex, Haifa, Israel, for a “storage system and method for accessing logical volumes.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”A method and a storage system are provided for accessing volumes. The storage system provisions to a host, a place holder handle configured for allowing access to any volume selected by the host and allowed to be accessed by the host. The volume forms part of accessible volumes included in the storage system. The storage system receives from the host a first request for associating the place holder handle with a first selected volume from among the accessible volumes and enables the host to access the first selected volume in response to receiving an access request indicative of the place holder handle.

The patent application was filed on July 29, 2013 (13/952,716).

Storage system capable of managing plurality of snapshot families
Infinidat Ltd., Herzliya, Israel has been assigned a patent (9,311,016) developed by Ezra, Josef, Even Yehuda, Israel, Yochai, Yechiel, Moshav Aviel, Israel, Ben-Tsion, Ido, Ramat Gan, Israel, Zeidner, Efraim, and Schenkler, Nir, Haifa, Israel, for a “storage system capable of managing a plurality of snapshot families and method of operating thereof.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”There is provided a storage system and a method of identifying delta-data therein between two points-in-time. The method comprises: generating successive snapshots S.sub.i and S.sub.i+1 corresponding to the two points-in-time, upon generating the snapshot S.sub.i+1, searching the cache memory for data blocks associated with snap_version=i, thereby yielding cached delta-metadata, searching the SF mapping data structure for destaged data blocks associated with snap_version=i, thereby yielding destaged delta-metadata, and joining the cached delta-metadata and the destaged delta-metadata, thereby yielding delta-metadata indicative of the delta-data between points-in-time corresponding to the successive snapshots with Snap_ID=i and Snap_ID=i+1. The method operates with no need in copying, destaging to a dedicated location and/or any other special handling of data that needs to be transmitted to the RS system.

The patent application was filed on November 27, 2013 (14/092,243).

Storage system capable of managing plurality of snapshot families
Infinidat Ltd., Herzliya, Israel has been assigned a patent (9,311,015) developed by Ezra, Josef, Even Yehuda, Israel, Yochai, Yechiel, Moshav Aviel, Israel, Ben-Tsion, Ido, Ramat Gan, Israel, and Zeidner, Efraim, Haifa, Israel, for a “storage system capable of managing a plurality of snapshot families and method of operating thereof.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”There is provided a storage system comprising a control layer operable to manage a plurality of snapshot families, each family constituted by snapshot family members having hierarchical relations therebetween. The method of operating the storage system comprises searching a cache memory for an addressed data block corresponding to an addressed LBA and associated with an addressed snapshot family and an addressed SF member. In a case of missing the addressed data block in the cache memory, identifying in the cache memory all dirty data blocks corresponding to the addressed LBA and associated with the addressed snapshot family, (candidate data blocks), identifying among SF members of the addressed snapshot family a destage owner, and in a case when the identified destage owner is associated with a candidate data block, reading from the cache memory such candidate data block.

The patent application was filed on November 27, 2013 (14/092,169).

Storage system and mapping addresses of snapshot families
Infinidat Ltd., Herzliya, Israel has been assigned a patent (9,311,014) developed by Ezra, Josef, Kibbutz Beit Kama, Israel, Yochai, Yechiel, Moshav Aviel, Israel, Ben-Tsion, Ido, Ramat Gan, Israel, and Zeidner, Efraim, Haifa, Israel, for a “storage system and methods of mapping addresses of snapshot families.

The abstract of the patent published by the U.S. Patent and Trademark Office states: ”There is provided a storage system capable to maintain a snapshot family comprising a plurality of members having hierarchical relations therebetween, and a method of operating thereof. The method comprises generating a mapping data structure with mapping entries each comprising mappings for mapping a logical address range associated with the mapping entry into physical address ranges respectively correlated to representative members of the snapshot family, omitting mappings corresponding to omitted member(s) different from any of the one or more representative members sharing a respective range of physical addresses, responsive to an access request directed to a certain logical address range and a certain omitted member, determining, using a predefined rule related to the hierarchical and sequential relations between members of the snapshot family, a representative member from the one or more representative members, and responding to the access request by using a physical address range correlated to the representative member.

The patent application was filed on September 25, 2013 (14/036,557).

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