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The LTO-4 specification added a feature to allow LTO-4 drives to encrypt data before it is written to tape. [64] All LTO-4 drives must be aware of encrypted tapes, but are not required to support the encryption process.
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 IBM TS1140: 4 TB
Initially providing 200 megabytes per cartridge, the family capacity increased over time to 2.4 gigabytes per cartridge. DLT (Digital Linear Tape), also a cartridge-based tape, was available beginning 1984 but as of 2007 future development was stopped in favor of LTO. [citation needed] In 2003 IBM introduced the 3592 family to supersede the IBM ...
Tandberg Data GmbH is a company focused on data storage products, especially streamers, headquartered in Dortmund, Germany.They are the only company still selling drives that use the QIC (also known as SLR) and VXA formats, but also produce LTO along with autoloaders, tape libraries, NAS devices, RDX Removable Disk Drives, Media and Virtual Tape Libraries.
In August 2023 IBM announced the TS1170 tape drive with 50TB cartridges, more than 2.5 times larger than LTO-9 cartridges. [1] Like the 3590 and 3480 before it, this tape format has half-inch tape spooled onto 4-by-5-by-1-inch data cartridges containing a single reel. A take-up reel is embedded inside the tape drive.
Additionally, LTO cartridges are easily transportable and hold far more data than any other removable data storage format. The ability to copy a large file or a large selection of files (up to 1.5TB uncompressed data for LTO-5, and 18TB for LTO-9) to an LTFS formatted tape, allows easy exchange of data to a collaborator, or the saving of an ...
The vast majority of the National Security Agency's work on encryption is classified, but from time to time NSA participates in standards processes or otherwise publishes information about its cryptographic algorithms. The NSA has categorized encryption items into four product types, and algorithms into two suites.
This reverses encryption step 2. X n−1 is the same as in the encryption process. P n−1 = X n−1 XOR C n−2. Exclusive-OR X n−1 with the previous ciphertext block, C n−2, to create P n−1. Finally, we reverse the XOR step from step 1 of the encryption process.