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Leil OS Enterprise Storage,
Bringing Hyperscale Efficiency on premises

First on-premises distributed file storage that supports the biggest HDDs on the planet.

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Make All Data Actionable

Benefit from instant access to any raw data including archives, enabling rapid data processing for modern workloads.

Keep Your Data Forever

Experience seamless capacity refresh and extension without any downtime contrary to the traditional storage migration process.

Optimise Your TB Cost

Our pricing model scales with your usage, ensuring affordability and growth from zero to dozens of petabytes. for growing businesses.

Reduce Energy Consumption

Lower your environmental footprint with a more energy-efficient alternative to traditional HDD-based storage — all without compromising data retrieval speed.

+20%
More Capacity Unlock hidden density with Host-Managed SMR drives — the same technology powering hyperscaler data centers.
  • HM-SMR — 23% density via shingled recording
  • Compression — Inline compression research
  • Exabyte-Scale — Architecture validated to exabyte
  • LEC — Logical Erasure Coding
99%
Native Throughput Parallel file system engineered for sequential workloads — backup, archive, media, and AI training pipelines.
  • CDL — Command Duration Limits for QoS
  • S3 FSAL — Native S3 protocol plugin
  • Clustered Samba — High-performance SMB/CIFS
  • Leil FS Client — Native POSIX + client-side EC
+40%
Longevity No forklift upgrades. Seamless capacity refresh across drive generations — CMR and SMR in the same cluster.
  • Head Depopulation extends drives’ lifespan
  • ICE — Power-disable extends drive lifespan
  • LEC — Reduces rebuild stress on drives
–70%
Energy Savings ICE power-disable technology cuts idle consumption. Green by engineering, not by marketing.
  • HSMR — Density reduces physical drive count
  • ICE — Up to 70% energy savings
  • Head Depopulation — Extends lifecycle, reduces e-waste

OPEN SOURCE

GPL-3.0

LEIL FS

The engine. Battle-tested at petabyte scale, free to deploy and modify.

CORE FEATURES

  • Resilient Architecture
  • High Availability
  • Seamless Hardware Refresh & Expansion
  • Data Integrity
  • Erasure Coding & Replication
  • Instant Copy-on-Write Snapshots
  • NFS / Native Client / Samba / S3
  • Advanced ACL Framework
  • POSIX & Flock Advisory Locking
  • Granular Quota Management
  • Fast Recursive Deletion
  • SSD & CMR HDD Support
  • Periodic Scrubbing
  • Automatic Data Rebalancing
  • Variable Capacity Support

ENTERPRISE

Full platform

LEIL OS

Everything LEIL FS does — plus the orchestration, scale, and hardware support production fleets demand.

Everything in LEIL FS, included

All 15 core features above ship inside LEIL OS — same engine, same APIs, same protocols.

ONLY IN LEIL OS

Windows Client Console

Native Windows management UI

Flexible Mounting Modes

User- or system-level mount

Host-Managed SMR Support

HM-SMR drives, no firmware hacks

ICE — Infinite Cold Engine

Hyperscale cold-tier economics

Leil Connect

Multi-site federation layer

Leil Navigator

Cluster-wide data exploration

Exabyte Scale

Engineered for EB-class clusters

Double-Level Erasure Coding

Cross-rack + local protection

HDD NATIVE FEATURE SET

Head Depopulation

Run drives past partial failure

Advanced SMR Support

Production-grade SMR write path

Extra Local Erasure Coding

Per-node EC for fast rebuilds

Hardware Top Performance Pack

Tuned for dense NVMe/HDD nodes

Explore extra resiliency for your data

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