Skylight—a window on shingled disk operation
We introduce Skylight, a novel methodology that combines software and hardware
techniques to reverse engineer key properties of drive-managed Shingled Magnetic …
techniques to reverse engineer key properties of drive-managed Shingled Magnetic …
GearDB: A GC-free key-value store on HM-SMR drives with gear compaction
Host-managed shingled magnetic recording drives (HM-SMR)[2] give a capacity advantage
to harness the explosive growth of data. Applications where data is sequentially written and …
to harness the explosive growth of data. Applications where data is sequentially written and …
Storage system having a host that manages physical data locations of a storage device
D Hashimoto - US Patent 10,101,939, 2018 - Google Patents
A storage system includes a storage device including a controller and a nonvolatile memory
unit, and a host including a processor configured to determine whether or not the host is …
unit, and a host including a processor configured to determine whether or not the host is …
{SMaRT}: An Approach to Shingled Magnetic Recording Translation
W He, DHC Du - 15th USENIX Conference on File and Storage …, 2017 - usenix.org
Shingled Magnetic Recording (SMR) is a new technique for increasing areal data density in
hard drives. Drivemanaged SMR (DM-SMR) drives employ a shingled translation layer to …
hard drives. Drivemanaged SMR (DM-SMR) drives employ a shingled translation layer to …
{SMRSTORE}: A Storage Engine for Cloud Object Storage on {HM-SMR} Drives
S Zhou, E Xu, H Wu, Y Du, J Cui, W Fu, C Liu… - … USENIX Conference on …, 2023 - usenix.org
Cloud object storage vendors are always in pursuit of better cost efficiency. Emerging
Shingled Magnetic Recording (SMR) drives are becoming economically favorable in …
Shingled Magnetic Recording (SMR) drives are becoming economically favorable in …
Evolving ext4 for shingled disks
Drive-Managed SMR (ShingledMagnetic Recording) disks offer a plug-compatible higher-
capacity replacement for conventional disks. For non-sequential workloads, these disks …
capacity replacement for conventional disks. For non-sequential workloads, these disks …
RAIZN: Redundant array of independent zoned namespaces
Zoned Namespace (ZNS) SSDs are the latest evolution of host-managed flash storage,
enabling improved performance at a lower cost-per-byte than traditional block interface …
enabling improved performance at a lower cost-per-byte than traditional block interface …
Pattern matching with swaps
Let a text string T of n symbols and a pattern string P of m symbols from alphabet Σ be given.
A swapped version T′ of T is a length n string derived from T by a series of local swaps (ie …
A swapped version T′ of T is a length n string derived from T by a series of local swaps (ie …
Performance evaluation of host aware shingled magnetic recording (HA-SMR) drives
Shingled Magnetic Recording (SMR) drives can benefit large-scale storage systems by
reducing the Total Cost of Ownership (TCO) of dealing with explosive data growth. Among …
reducing the Total Cost of Ownership (TCO) of dealing with explosive data growth. Among …
Building GC-free key-value store on HM-SMR drives with ZoneFS
Host-managed shingled magnetic recording drives (HM-SMR) are advantageous in capacity
to harness the explosive growth of data. For key-value (KV) stores based on log-structured …
to harness the explosive growth of data. For key-value (KV) stores based on log-structured …