Dave's PCF WIP: Paragraphs

Paragraphs

Actions	Application	Content	Paragraph Number	Notes	Modified
		Content		Paragraph Number	Notes	Any Field
View Edit Delete	US8762658B2	In one embodiment, the storage request includes a token directive to store the data segment token where the storage request is free from data of the data segment. In another embodiment, the data segment token storage module generates the data segment token prior to storing the token. The data segment token storage module generates the data segment token from information in the token directive. The token directive is free from the data segment token. In another embodiment, the token directive includes the data segment token and the data segment token storage module recognizes that the data segment token represents the data segment.	11	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The apparatus for managing data is provided with a plurality of modules including a write request receiver module and a data segment token storage module. The write request receiver module receives a storage request from a requesting device. The storage request includes a request to store a data segment in a storage device. The data segment includes a series of repeated, identical characters or a series of repeated, identical character strings. The data segment token storage module stores a data segment token in the storage device. The data segment token includes at least a data segment identifier and a data segment length, and the data segment token is substantially free of data from the data segment.	10	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The present invention has been developed in response to the present state of the art, and in particular, in response to the problems and needs in the art that have not yet been fully solved by currently available data management systems. Accordingly, the present invention has been developed to provide an apparatus, system, and method for managing data that overcome many or all of the above-discussed shortcomings in the art.	9	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	From the foregoing discussion, it should be apparent that a need exists for an apparatus, system, and method for a storage device to receive a directive that data is to be erased so that the storage device can store a data segment token that represents an empty data segment or data with repeated characters or character strings. The apparatus, system, and method may also erase the existing data so that the resulting used storage space comprises the small data segment token. An apparatus, system, and method are presented that overcome some or all of the shortcomings of the prior art.	8	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	When receiving a string of repeated characters or character strings, the received data is highly compressible, but typically compression is done by a file system prior to transmission to a storage device. A typical storage device cannot distinguish between compressed data and uncompressed data. The storage device may also receive a command to read the erased file so the storage device may transmit a stream of zeros, ones, or a null character to the requesting device. Again, bandwidth is required to transmit data representing the erased file.	7	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	In some storage devices, like the solid-state storage device 102 described herein, updating previously stored data does not overwrite existing data. Attempting to overwrite data with a string of ones or a string of zeros on such a device takes up valuable space without fulfilling the desired intent of overwriting the existing data. For these devices, such as solid-state storage devices 102, a client 114 typically does not have an ability to overwrite data to erase it.	6	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	Typically, when data is no longer useful it may be erased. In many file systems, an erase command deletes a directory entry in the file system while leaving the data in place in the storage device containing the data. Typically, a data storage device is not involved in this type of erase operation. Another method of erasing data is to write zeros, ones, or some other null data character to the data storage device to actually replace the erased file. However, this is inefficient because valuable bandwidth is used while transmitting the data is being overwritten. In addition, space in the storage device is taken up by the data used to overwrite invalid data.	5	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The storage devices 150a-n may be networked together and act as a distributed storage device. The storage device 150a coupled to the requesting device 155 controls object requests to the distributed storage device. In one embodiment, the storage devices 150 and associated storage controllers 152 manage objects and appear to the requesting device(s) 155 as a distributed object file system. In this context, a parallel object file system is an example of a type of distributed object file system. In another embodiment, the storage devices 150 and associated storage controllers 152 manage objects and appear to the requesting device 155(s) as distributed object file servers. In this context, a parallel object file server is an example of a type of distributed object file server. In these and other embodiments the requesting device 155 may exclusively manage objects or participate in managing objects in conjunction with storage devices 150; this typically does not limit the ability of storage devices 150 to fully manage objects for other clients 114. In the degenerate case, each distributed storage device, distributed object file system and distributed object file server can operate independently as a single device. The networked storage devices 150a-n may operate as distributed storage devices, distributed object file systems, distributed object file servers, and any combination thereof having images of one or more of these capabilities configured for one or more requesting devices 155. Fore example, the storage devices 150 may be configured to operate as distributed storage devices for a first requesting device 155a, while operating as distributed storage devices and distributed object file systems for requesting devices 155b. Where the system 101 includes one storage device 150a, the storage controller 152a of the storage device 150a manages objects may appear to the requesting device(s) 155 as an object file system or an object file server.	65	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The ECC correction module 322 receives the ECC blocks of the requested packets held in the read synchronization buffer 328 and corrects 616 errors within each ECC block as necessary. If the ECC correction module 322 determines that one or more errors exist in an ECC block and the errors are correctable using the ECC syndrom, the ECC correction module 322 corrects 616 the error in the ECC block. If the ECC correction module 322 determines that a detected error is not correctable using the ECC, the ECC correction module 322 sends an interrupt.	217	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	If erase block 1 of a storage element SSS0.0216a is damaged, experiencing errors due to wear, etc., or cannot be used for some reason, the remapping module 430 could change the logical-to-physical mapping for the logical address that pointed to erase block 1 of virtual erase block 1. If a spare erase block (call it erase block 221) of storage element SSS 0.0216a is available and currently not mapped, the remapping module 430 could change the mapping of virtual erase block 1 to point to erase block 221 of storage element SSS 0.0216a, while continuing to point to erase block 1 of storage element SSS1.0216b, erase block 1 of storage element SSS 2.0 (not shown) . . . , and to storage element M.0216m. The mapping module 424 or remapping module 430 could map erase blocks in a prescribed order (virtual erase block 1 to erase block 1 of the storage elements, virtual erase block 2 to erase block 2 of the storage elements, etc.) or may map erase blocks of the storage elements 216, 218, 220 in another order based on some other criteria.	207	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	This logical-to-physical mapping for erase blocks is beneficial because if one erase block becomes damaged or inaccessible, the mapping can be changed to map to another erase block. This mitigates the loss of losing an entire virtual erase block when one element's erase block is faulty. The remapping module 430 changes a mapping of a logical address of an erase block to one or more physical addresses of a virtual erase block (spread over the array of storage elements). For example, virtual erase block 1 may be mapped to erase block 1 of storage element SSS 0.0216a, to erase block 1 of storage element SSS1.0216b, . . . , and to storage element M.0216m, virtual erase block 2 may be mapped to erase block 2 of storage element SSS 0.1218a, to erase block 2 of storage element SSS 1.1218b, . . . , and to storage element M.1218m, etc.	206	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The queues 410, 412, 414, 416 typically receive commands and store the commands until required to be sent to the solid-state storage banks 214. In a typical embodiment, the queues 410, 412, 414, 416 are first-in, first-out (“FIFO”) registers or a similar component that operates as a FIFO. In another embodiment, the queues 410, 412, 414, 416 store commands in an order that matches data, order of importance, or other criteria.	188	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The bank interleave controller 344 directs one or more commands to two or more queues in the bank interleave controller 344 and coordinates among the banks 214 of the solid-state storage 110 execution of the commands stored in the queues, such that a command of a first type executes on one bank 214a while a command of a second type executes on a second bank 214b. The one or more commands are separated by command type into the queues. Each bank 214 of the solid-state storage 110 has a corresponding set of queues within the bank interleave controller 344 and each set of queues includes a queue for each command type.	182	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	In another embodiment, the read data pipeline 108 includes an output buffer 330 that receives requested packets from the alignment module 326 and stores the packets prior to transmission to the requesting device 155. The output buffer 330 accounts for differences between when data segments are received from stages of the read data pipeline 108 and when the data segments are transmitted to other parts of the solid-state storage controller 104 or to the requesting device. The output buffer 330 also allows the data bus 204 to receive data from the read data pipeline 108 at rates greater than can be sustained by the read data pipeline 108 in order to improve efficiency of operation of the data bus 204.	172	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	The read data pipeline 108 includes an ECC correction module 322 that determines if a data error exists in ECC blocks a requested packet received from the solid-state storage 110 by using ECC stored with each ECC block of the requested packet. The ECC correction module 322 then corrects any errors in the requested packet if any error exists and the errors are correctable using the ECC. For example, if the ECC can detect an error in six bits but can only correct three bit errors, the ECC correction module 322 corrects ECC blocks of the requested packet with up to three bits in error. The ECC correction module 322 corrects the bits in error by changing the bits in error to the correct one or zero state so that the requested data packet is identical to when it was written to the solid-state storage 110 and the ECC was generated for the packet.	165	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	FIG. 2B is a schematic block diagram illustrating one embodiment 201 of a solid-state storage device controller 202 that includes a write data pipeline 106 and a read data pipeline 108 in a solid-state storage device 102 in accordance with the present invention. The solid-state storage device controller 202 may include a number of solid-state storage controllers 0-N 104a-n, each controlling solid-state storage 110. In the depicted embodiment, two solid-state controllers are shown: solid-state controller 0104a and solid-state storage controller N 104n, and each controls solid-state storage 110a-n. In the depicted embodiment, solid-state storage controller 0104a controls a data channel so that the attached solid-state storage 110a stores data. Solid-state storage controller N 104n controls an index metadata channel associated with the stored data and the associated solid-state storage 110n stores index metadata. In an alternate embodiment, the solid-state storage device controller 202 includes a single solid-state controller 104a with a single solid-state storage 110a. In another embodiment, there are a plurality of solid-state storage controllers 104a-n and associated solid-state storage 110a-n. In one embodiment, one or more solid state controllers 104a-104n-1, coupled to their associated solid-state storage 110a-110n-1, control data while at least one solid-state storage controller 104n, coupled to its associated solid-state storage 110n, controls index metadata.	98	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	In one embodiment, the apparatus 200 includes an object index reconstruction module 272 that reconstructs the entries in the object index using information from packet headers stored in the data storage device 154. In one embodiment, the object index reconstruction module 272 reconstructs the entries of the object index by reading headers to determine the object to which each packet belongs and sequence information to determine where in the object the data or metadata belongs. The object index reconstruction module 272 uses physical address information for each packet and timestamp or sequence information to create a mapping between the physical locations of the packets and the object identifier and data segment sequence. Timestamp or sequence information is used by the object index reconstruction module 272 to replay the sequence of changes made to the index and thereby typically reestablish the most recent state.	90	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	In one embodiment, the storage controller 152 includes an object request queuing module 268 that queues one or more object requests received by the object request receiver module 260 prior to parsing by the parsing module 262. The object request queuing module 268 allows flexibility between when an object request is received and when it is executed.	84	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	This invention relates to managing data in a data storage device and more particularly relates to managing data in a storage device using an empty data segment directive.	3	Added by DJM 3 2021	3/24/21, 12:00 AM
View Edit Delete	US8762658B2	FIG. 1B is a schematic block diagram illustrating one embodiment of a system 101 for object management in a storage device in accordance with the present invention. The system 101 includes one or more storage device 150, each with a storage controller 152 and one or more data storage devices 154, and one or more requesting devices 155. The storage devices 150 are networked together and coupled to one or more requesting devices 155. The requesting device 155 sends object requests to a storage device 150a. An object request may be a request to create an object, a request to write data to an object, a request to read data from an object, a request to delete an object, a request to checkpoint an object, a request to copy an object, and the like. One of skill in the art will recognize other object requests.	62	Added by DJM 3 2021	3/24/21, 12:00 AM

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