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Insights
SMR: The Technology Previously Exclusive to Hyperscalers
Hyperscaler-validated technology, now enabled for on-premise use by Leil.
Over half of all HDD capacity is now SMR – a shift hyperscalers have been justifying for over a decade.
How Shingled Magnetic Recording Works
SMR overlaps data tracks like roof shingles, increasing areal density by ~20% on the same platters. Because of the shingled track structure the drive accepts only sequential write workloads.
Host-Managed SMR (HM-SMR) gives the software (host) direct control over sequential write workload. Leil implemented the software stack enabling host managed SMR use at scale: — over mulitple drives and multiple servers in a single namespace, managing drives and taking care of garbage collection.
SMR Benefits
20%
Higher Density
20%
Higher Capacity
20%
Lower Energy
20%
Better $TB/Cost in the industry
From Hyperscaler Exclusive to Enterprise Standard
While most softwares do not support SMRs, Leil OS brings hyperscale-level efficiency to on-premise environments—unlocking the industry’s most widely deployed, high-capacity, and efficient drives for broader adoption. Our advanced file system handles HM-SMR write management natively, with no firmware hacks, no performance penalties, and no forked software stacks.
