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The IBM Linear Tape File System - Library Edition (LTFS-LE) product allows LTFS volumes to be used in a tape library. Each LTFS-formatted tape cartridge in the library appears as a separate folder under the filesystem mount point and the user or application can navigate into each of these folders to access the files stored on each tape.
Since LTFS is an open standard, LTFS-formatted tapes are usable by a wide variety of computing systems. The block structure of the tape is logical so interblock gaps, file marks, tape marks and so forth take only a few bytes each. In LTO-1 and LTO-2, this logical structure has CRC codes and compression added to create blocks of 403,884 bytes.
IBM LTFS Single Drive Edition – access and manage data on a standalone tape drive as if the data were on disk; IBM LTFS Library Edition – access and manage data on single or multiple cartridges in a tape library; IBM LTFS Storage Manager – manage both online and offline files in IBM tape libraries
LTFS (Linear Tape File System for LTO and Enterprise tape) MVFS – MultiVersion File System, proprietary, used by IBM DevOps Code ClearCase. Nexfs Combines Block, File, Object and Cloud storage into a single pool of auto-tiering POSIX compatible storage. OverlayFS – A union mount filesystem implementation for Linux.
Linear Tape File System: Allows files stored on magnetic tape to be accessed in a similar fashion to those on disk or removable flash drives. NTFS-3G and Captive NTFS, allowing access to NTFS filesystems. retro-fuse: retro-fuse is a user-space filesystem that provides a way to mount filesystems created by ancient Unix systems on modern OSes.
Linear Tape-Open LTO-4: 800 GB: 2008 IBM TS1130: 1 TB: Encryption capability integrated into the drive 2008 StorageTek T10000B: 1 TB: 2010 Linear Tape-Open LTO-5: 1.5 TB: Linear Tape File System (LTFS), which allows accessing files on tape in the file system directly (similar to disk filesystems) without an additional tape library database 2011 ...
The IBM implementation of this file system has been released as the open-source IBM Linear Tape File System — Single Drive Edition (LTFS-SDE) product. The Linear Tape File System uses a separate partition on the tape to record the index meta-data, thereby avoiding the problems associated with scattering directory entries across the entire tape.
LTO is an open tape format designed for high-capacity long-term storage. [50] It is often used for large-scale cold storage. [50] In September 2020, Quantum, IBM, and Hewlett Packard Enterprise released the specifications for LTO-9 storage tape technology. [51] Products using this technology were available a year later. [51]