A data storage system that stores data has a logical address space divided into ordered areas and unordered areas. Retrieval of storage system metadata for a logical address is based on whether the address is located in an ordered area or an unordered area. Retrieval of metadata regarding ...
A block-level in-band storage virtualization system was developed for mass storage environments.The system uses continuous regions to organize virtual and physical disks,which effectively reduces the metadata space consumption.The system also implements target-mode virtualization functions to provide good co...
Violin: A Framework for Extensible Block-level Storage In this work we propose Violin, a virtualization framework that allows easy extensions of block-level storage stacks. Violin allows (i) developers to provide new virtualization functions and (ii) storage administrators to combine these f... Mic...
While there are benefits to using block storage, there are also alternatives that may be better suited to certain organizations or uses. Two options stand out when it comes to facing off with block-level storage: file storage and object storage. If simplicity is the goal, file storage may wi...
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A block-level storage device is provided that implements a digital rights management (DRM) system. In response to receiving a public key from an associated host system, the storage device challenges the host system to prove it has the corresponding private key to establish trust. This trust is...
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File storage can be very easy to configure, but access to data is constrained by a single path to the data, which can impact performance compared to block or object storage. File storage also only operates with common file-level protocols, such as a New Technology File System (NTFS) for ...
RAID 2.0+ Block Virtualization Process Disks with uneven data storage and heavy loads are potential system bottlenecks. System uses RAID 2.0+ for fine-grained division of disks to evenly distribute data to all LUNs on each disk and balance loads. Process Figure 2-1 shows the RAID 2.0+ bloc...