Apparatus and method for regulating available storage of a data storage system
Granted: December 31, 2024
Patent Number:
12181961
Apparatus, media, methods, and systems for data storage systems and methods for autonomously adapting data storage system performance, lifetime, capacity and/or operational requirements. A data storage system may comprise a controller and one or more non-volatile memory devices. The controller is configured to determine a category for a workload of one or more operations being processed by the data storage system using a machine-learned model. The controller is configured to determine an…
Three-dimensional memory containing a staircase with dummy steps and method of making thereof with step length control
Granted: December 31, 2024
Patent Number:
12185542
A three-dimensional memory device includes an alternating stack of insulating layers and electrically conductive layers. Stepped surfaces including vertical sidewalls of the insulating layers are present in a staircase region. Pad stacks are located on the stepped surfaces. Each of the pad stacks includes an insulating pad having a same material composition as the insulating layers, and a dielectric material pad having a different material composition than the insulating layers and…
Three dimensional memory device and method of making thereof by forming channel and memory film after word line replacement
Granted: December 31, 2024
Patent Number:
12185540
A method of forming a three-dimensional memory device includes forming an alternating stack of insulating layers and sacrificial material layers over a substrate, forming a memory opening extending through the alternating stack, forming a sacrificial memory opening fill structure in the memory opening, replacing the sacrificial material layers with electrically conductive layers, removing the sacrificial memory opening fill structure selective to the electrically conductive layers, and…
Mitigating DBI bit flip induced errors
Granted: December 31, 2024
Patent Number:
12184307
The present disclosure generally relates to improving data transfer in a data storage device. In double data rate (DDR) systems that include a data bus inversion (DBI) functionality, bit flip events can be more prevalent. To mitigate the effect of enhanced erroneous bit flip rate related to DBI bit flip events, the DBI bit can stay static for a predetermined number of consecutive clock cycles, the error correction module can be informed of reduced reliability due to active DBI bit…
Optimization of non-aligned host writes
Granted: December 31, 2024
Patent Number:
12183386
The present disclosure generally relates to aligning non-aligned data for more efficient data reading. Data for write commands does not always perfectly align, yet the data is written in order of write command receipt. In such cases, aligned chunks of data may be split into two word lines (WLs) due to the presence of previously received smaller chunks of data. Rather than writing the data in order, the smaller chunks of data, which are non-aligned, are held in a buffer and written later…
Virtual block pools for protecting device health
Granted: December 31, 2024
Patent Number:
12182454
A data storage device includes a memory device and a controller coupled to the memory device. The controller is configured to maintain a plurality of virtual pools, wherein each virtual pool corresponds with an logical block address (LBA) range, update a counter of a virtual pool, wherein the counter corresponds to a health of the LBA range, and select, based on the counter, the virtual pool to program data to. The controller is further configured to maintain a counter for each…
De-fragmentation acceleration using overlap table
Granted: December 31, 2024
Patent Number:
12182451
The present disclosure generally relates to improved fragment processing while command fetching is on-going. Rather than stopping command fetching, the controller uses a short fragment list, while command fetching can continue, to add a fragment. The controller first adds new fragments to the short list with the fragment information. The information is then checked for size. If the fragment information is smaller than the short fragment list, then the fragment list is updated during…
Allocation of host memory buffer for sustained sequential writes
Granted: December 31, 2024
Patent Number:
12182441
Aspects of a storage device for providing superior sustained sequential write (SSW) performance are disclosed. A controller on the storage device allocates buffer space in the host memory buffers (HMBs) on the host device for storage of relocation data, i.e., data to be folded or compacted. The controller or a hardware element therein can therefore allocate local SRAM (including TRAM) for use in accommodating incoming host writes. The increased SRAM allocation of relocation data without…
Metadata management in key value data storage device
Granted: December 31, 2024
Patent Number:
12182439
A data storage device includes a memory device and a controller to the memory device. The controller is configured to receive key value (KV) pair data having a key and a value from a host device and generate a mapping in a key-to-physical (K2P) table corresponding to the received KV pair data. The mapping includes a first slot for storing a physical address corresponding to the value and a second slot for storing a physical address corresponding to metadata associated with the KV pair…
Trusted systems for decentralized data storage
Granted: December 31, 2024
Patent Number:
12182430
Certain aspects of the present disclosure provide techniques for proving possession of data in a storage device participating in a distributed data storage network. An example storage device includes a storage circuitry and a trusted circuit. The storage circuitry is configured to store a plurality of data blocks. The trusted circuit generally has a private signing key securely stored thereon. The trusted circuit is generally configured to compute a hash over data stored in a plurality…
Optimization of an active range of mSets stored in a compressed address table
Granted: December 24, 2024
Patent Number:
12174736
A controller maintains logical block address (LBA) to physical block address (PBA) mappings as mSets in a storage address table (SAT). Because the SAT may include many mappings, and, consequently, have a large size, the SAT may be stored in a distanced memory from the controller, such as a non-volatile memory device of the data storage device or a host memory buffer of a host device that is coupled to the data storage device. In order to optimize performance, a portion of the SAT may be…
Three-dimensional memory device with doped semiconductor bridge structures and methods for forming the same
Granted: December 24, 2024
Patent Number:
12178040
A vertically alternating sequence of continuous insulating layers and continuous sacrificial material layers is formed over a substrate, and memory opening fill structures including vertical stacks of memory elements are formed through the vertically alternating sequence. Backside trenches are formed to divide the vertically alternating sequence into a plurality of alternating stacks of insulating layers and sacrificial material layers. A set of one or more bridge structures including a…
Video surveillance systems using out of band key exchange
Granted: December 24, 2024
Patent Number:
12177293
Systems and methods for peer-to-peer video streaming from an edge data storage device to a browser are described. A surveillance video camera may establish a secure peer-to-peer connection using a first data transfer protocol with a user device. Once the secure peer-to-peer connection is established with the user device, out of band key exchange may occur through the peer-to-peer connection. Then, a shared key may be generated at both the video camera and the user device such that a…
Methods and apparatuses for forming semiconductor devices containing tungsten layers using a tungsten growth suppressant
Granted: December 24, 2024
Patent Number:
12176203
A method of depositing a metal includes providing a structure a process chamber, and providing a metal fluoride gas and a growth-suppressant gas into the process chamber to deposit the metal over the structure. The metal may comprise a word line or another conductor of a three-dimensional memory device.
Group classifier training using video object tracker
Granted: December 24, 2024
Patent Number:
12175752
Systems, methods, and data storage devices for improved classifier training using a video object tracker to determine video data samples are described. A group classifier may be trained using machine learning to classify image objects, based on a set of machine learning parameters, and assign them a group identifier. A retraining data set may be determined based on video data that was assigned that group identifier based on an object tracker. The group classifier may be retrained using…
Video group classification using object tracker
Granted: December 24, 2024
Patent Number:
12175751
Systems, methods, and data storage devices using a video group classifier based on an object tracker are described. A group classifier may be trained using machine learning to classify image objects from a video frame and assign a classifier identifier. An object tracker and the group classifier may be used to determine correspondence between tracker identifiers and classifier identifiers for assigning group identifiers. The object tracker may then be used to determine image objects,…
PCIe TLP size and alignment management
Granted: December 24, 2024
Patent Number:
12175281
A data storage device includes a memory device and a controller coupled to the memory device. The controller is configured to issue an unaligned transaction, determine that there is a transfer failure indication for the unaligned transaction, and retry the unaligned transaction with either a different alignment or a different transfer size. The different alignment or the different transfer size is used for another unaligned transaction from a same address range upon successful retry of…
Data storage devices, systems, and related methods for grouping commands of doorbell transactions from host devices
Granted: December 24, 2024
Patent Number:
12175125
Aspects of the present disclosure generally relate to data storage devices, systems, and related methods that group commands of doorbell transactions from host devices into a plurality of groupings. A controller of a data storage device is configured to receive a plurality of submission doorbell transactions comprising a plurality of commands from a host device. The controller is configured to group the plurality of commands of the plurality of submission doorbell transactions into a…
Enterprise host memory buffer for DRAM-less SSD
Granted: December 24, 2024
Patent Number:
12175119
A storage system includes one or more data storage devices, a PCIe switch coupled to the one or more data storage devices, and a controller unit coupled to the PCIe switch. The one or more data storage devices are DRAM-less. The controller unit includes a dynamic random access memory (DRAM) host memory buffer (HMB) controller and a DRAM pool or a controller memory buffer (CMB) controller, a root complex/port, and the DRAM pool. The DRAM pool includes one or more DRAM devices. The one or…
Authentication of sanitize erase
Granted: December 24, 2024
Patent Number:
12175114
Adding a bypass module and a pattern detector module to a data path of a controller will increase the efficiency of both sanitize block erase audit and sanitize crypto erase audit operations. The sanitize crypto erase audit skips an end to end (E2E) protection module to provide decrypted data to a static random access memory (SRAM) buffer and ultimately a host device through a direct memory access (DMA) module. The sanitize block erase audit utilizes the pattern detector module to…
