An illustrative data storage management system enables a Tenant to retain control over criteria for protecting the Tenant's data, and hides details of the Service Provider's infrastructure. The Service Provider may have many data centers, each one represented within the system by a Resource Pool with attributes that reflect the infrastructure resources of the corresponding data center. A system analysis, which is triggered by the Tenant's choices for data protection, keys in on a suitable Resource Pool. The system analysis identifies suitable system resources within the Resource Pool and associates them to the data source. Subsequent data protection jobs invoke proper system components based on the associations created by the system analysis. In some embodiments, the system will invoke infrastructure resources created on demand when a data protection job is initiated rather than being pre-existing resources.

A technique manages data within a storage array. The technique involves forming a hybrid tier within the storage array, the hybrid tier including SSD storage and HDD storage. The technique further involves, after the hybrid tier is formed, providing hybrid ubers (or Redundant Array of Independent Disks (RAID) extents) from the SSD storage and the HDD storage of the hybrid tier. The technique further involves, after the hybrid ubers are provided, accessing the hybrid ubers to perform data storage operations.

Embodiments relate to the field of storage technologies. The method is applied to a flash device whose first physical storage space stores a data block at a first security level and a data block at a second security level and whose second physical storage space stores a data block at a second security level. The method includes: receiving a data write request used to request to write target data, and obtaining a security level of the target data; and writing the target data into the first physical storage space if the security level of the target data is the first security level; or writing the target data into the second physical storage space or writing the target data into the second physical storage space and the first physical storage space if the security level of the target data is the second security level.

A memory controller includes: a block manager for allocating a plurality of partial super blocks each including partial blocks in different memory blocks; and an operation controller for controlling a plurality of memory devices to perform, in parallel, a program operation of sequentially storing data in physical pages in each of the partial blocks in a partial super block selected from the plurality of partial super blocks. Each of the plurality of partial super blocks includes partial blocks in memory blocks having different numbers of physical pages having an erase state.

A method, non-transitory computer readable medium, and device that assists with reducing memory fragmentation in solid state devices includes identifying an allocation area within an address range to write data from a cache. Next, the identified allocation area is determined for including previously stored data. The previously stored data is read from the identified allocation area when it is determined that the identified allocation area comprises previously stored data. Next, both the write data from the cache and the read previously stored data are written back into the identified allocation area sequentially through the address range.

A method for execution in a storage network, the method begins by determining a user device group content preference, wherein the user group content includes target content for a user device group and the determining includes predicting future target content for the user group. The method continues by selecting a plurality of network edge units for staging encoded data slices, identifying target content for partial download to the plurality of network edge units and dispersed error encoding the target content to generate a set of encoded data slices. The method then continues by identifying encoded data slices from the set of encoded data slices corresponding to the target content for partial download and determining a partial downloading schedule for sending the encoded data slices for partial download to each network edge unit of the plurality of network edge units. The method continues by facilitating partial downloading of the target content by sending the encoded data slices for partial download to each network edge unit of the plurality of network edge units.

The present invention provides systems and methods for data storage. A hierarchical storage management architecture is presented to facilitate data management. The disclosed system provides methods for evaluating the state of stored data relative to enterprise needs by using weighted parameters that may be user defined. Also disclosed are systems and methods evaluating costing and risk management associated with stored data.

An example method for storing data includes providing a plurality of physical storage pools, each storage pool including a plurality of storage nodes coupled to a network. The method also includes mapping a partition of a plurality of partitions to a set of physical storage pools, where each physical storage pool of the set of physical storage pools is located in a different availability zone, and the storage nodes within an availability zone are subject to a correlated loss of access to stored data. The method further includes receiving a data management request over the network, the data management request being associated with a data object. The method also includes identifying a first partition of the plurality of partitions corresponding to the received data management request and manipulating the data object in the physical storage pools mapped to the first partition in accordance with the data management request.

The storage system is capable of creating one or more virtual storage subsystems to which virtual resources having logically divided a processing capacity of the physical resources are allocated, and upon creating a virtual volume for receiving I/O requests from the host within the virtual storage subsystem, the virtual storage subsystem allocates the virtual resource to the virtual volume, and when an I/O request to the virtual volume is received from the host, performs processing related to the I/O request using the virtual resource having been allocated. According further to the storage system, after allocating the virtual resource to the virtual volume, the storage system raises a utilization rate of the virtual resource allocated to the virtual volume in a stepwise manner.

One example of a system includes a plurality of clients, a master chunk coordinator, and a plurality of chunk servers. Each client submits requests to access chunks of objects. The master chunk coordinator maintains chunk information for each object. Each chunk server includes a chunk monitor to monitor client requests, maintain chunk statistics for each chunk based on the monitoring, and transmit the chunk statistics for each chunk to the master chunk coordinator. The master chunk coordinator instructs the chunk servers to re-chunk objects, replicate chunks, migrate chunks, and resize chunks based on the chunk statistics to meet specified parameters.