摘要:
A distributed storage unit determines how to handle a read or write request for a data slice based on a state of the memory the data slice is to be read from or written to. When receiving a request to retrieve a data slice, the distributed storage unit, determines a state of the memory in which the data slice is stored. Based on the memory state, one of multiple different methods for obtaining the data slice is selected. The methods include, among others, a direct read from the memory, and reconstructing the data slice using other memories and parity values. In response to a write request, the distributed storage unit can determine whether to use the currently selected memory for writing, or rotate the memory used for writing, based on a state of the memory.
摘要:
A dispersed storage (DS) unit for use within a dispersed storage network is capable of self-configuring using registry information provided to the DS unit. The registry information includes a slice name assignment indicating a range of slice names corresponding to a plurality of potential data slices of potential data objects to be stored in the DS unit. Based on the registry information, the DS unit allocates a portion of physical memory to store the potential data slices.
摘要:
A slicer server includes a network port, memory, and a central processing module. The central processing unit functions to obtain, via the network port, an information record regarding a virtual dispersed data storage container. The central processing unit further functions to determine whether its list of virtual dispersed data storage containers includes the virtual dispersed data storage container. The central processing unit further functions to, when the list does not include the virtual dispersed data storage container, update the list to include the virtual dispersed data storage container and allocate a portion of the memory to the virtual dispersed data storage container.
摘要:
A method begins by a dispersed storage (DS) processing module generating a set of encoded data slices based on a data segment of data and dispersed storage network (DSN) addressing information regarding metadata of the data. The method continues with the DS processing module generating a set of encoded metadata slices based on the metadata and DSN addressing information regarding the data. The method continues with the DS processing module generating a set of metadata write commands regarding storing the set of encoded metadata in a first set of DS units of DSN memory. The method continues with the DS processing module generating a set of data segment write commands regarding storing the set of encoded data slices in a second set of DS units of the DSN memory.
摘要:
A method begins by a dispersed storage (DS) processing module generating a set of encoded data slices based on a data segment of data and dispersed storage network (DSN) addressing information regarding metadata of the data. The method continues with the DS processing module generating a set of encoded metadata slices based on the metadata and DSN addressing information regarding the data. The method continues with the DS processing module generating a set of metadata write commands regarding storing the set of encoded metadata in a first set of DS units of DSN memory. The method continues with the DS processing module generating a set of data segment write commands regarding storing the set of encoded data slices in a second set of DS units of the DSN memory.
摘要:
At least one dispersed storage (DS) processing unit (14), at least one dispersed storage managing unit (18), and at least one dispersed storage unit (44) communicate with each other over a network (20) to authenticate and process a user data transaction within dispersed memory in a dispersed storage network. In a data operation, the DS processing unit (14) first received the request. The unit (14) uses stored security information (80 and 84) to validate that the user requesting the user transaction is a valid user. The unit (18) processes the user transaction to further authenticate that the user is valid and the user transaction requested by the user is proper. Finally, the unit (44) again received user transaction information and performs another authentication to ensure that the distributed network data slices can be properly processed by this user and this user transaction.
摘要:
A dispersed storage (DS) unit for use within a dispersed storage network is capable of self-configuring using registry information provided to the DS unit. The registry information includes a slice name assignment indicating a range of slice names corresponding to a plurality of potential data slices of potential data objects to be stored in the DS unit. Based on the registry information, the DS unit allocates a portion of physical memory to store the potential data slices.
摘要:
A method begins by a processing module receiving a data storage request that includes data and determining dispersed storage error encoding parameters for dispersed error encoding storage of data. The method continues with the processing module dispersed storage error encoding the data in accordance with the dispersed storage error encoding parameters to produce a set of encoded data slices and establishing access control information for each encoded data slice of the set encoded data slices in accordance with the dispersed storage error encoding parameters to produce a set of access control information. The method continues with the processing module appending a corresponding one of the set of access control information to each of the set of encoded data slices to produce a set of appended slices and outputting the set of appended slices to a set of dispersed storage units.
摘要:
A method of securely storing data to a dispersed data storage system is disclosed. A data segment is arranged along the columns or rows of an appropriately sized matrix. Data slices are then created based on either the columns or the rows so that no consecutive data is stored in a data slice. Each data slice is then stored in a separate storage node.
摘要:
A dispersed storage (DS) unit for use within a dispersed storage network is capable of self-configuring using registry information provided to the DS unit. The registry information includes a slice name assignment indicating a range of slice names corresponding to a plurality of potential data slices of potential data objects to be stored in the DS unit. Based on the registry information, the DS unit allocates a portion of physical memory to store the potential data slices.