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Home Data Protection 50TB IBM tape drive more than doubles LTO-9
capacity

  * Data Protection
  * Tape

50TB IBM tape drive more than doubles LTO-9 capacity

By
Chris Mellor
-
August 23, 2023
 
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[IBM-TS1170-tape-drive-696x347]

IBM has announced its latest TS1170 tape drive with 50TB cartridges,
more than 2.5 times larger than LTO-9 cartridges.

IBM, which manufactures the LTO tape drives sold by itself, HPE, and
Quantum, has its own proprietary tape formats used in its TS1100
series drives and Jx format media. The latest TS1170 drive supports
50TB JF media cartridges with 150TB compressed capacity through 3:1
compression. The prior TS1160, announced in 2018, supported JE media
with capacities of 20TB raw and 60TB compressed.

IBM TS1170 tape driveIBM TS1170 tape drive

The TS1170 drive operates at 400MBps raw throughput and supports both
12gig SAS and 16gig FC connectivity. It is also recognized as
LTFS-ready. However, JF media is not backwards-compatible with the
earlier JE specification.

The new tape cartridge media, also called 3592 70F, uses Strontium
Ferrite particle technology. Fujifilm has demonstrated a 580TB raw
capacity tape using Strontium Ferrite particles so there is a lot of
runway for future capacity increases.

LTO-9 tapes hold 18TB raw and 45TB compressed, less than IBM's JE
format tapes. The LTO tape roadmap has a coming LTO-10 specification
with 36TB raw/90TB compressed capacity. Where IBM uses a 3:1
compression ratio, the LTO group uses 2.5:1. An IBM TS4500 tape
library, using the JF cartridges, will be able to hold the same
amount of data as an LTO-9-based library but with more than three
times fewer tapes thanks to IBM's large capacity tape and greater
compression. Even when LTO-10 tape technology arrives, the TS4500
will still have a better density in terms of TB per cartridge.

The LTO (Linear Tape-Open) organization was founded to provide an
open industry standard format to replace various proprietary tape
formats such as Quantum's S-DLT and DLT. But since only IBM makes LTO
tape drives and these drives use media from Sony and Fujifilm, IBM
has a lock on the LTO tape format.

LTO group members HPE and Quantum are dependent upon IBM and can do
nothing to get LTO tape cartridge capacity up to the IBM TS1170/JF
level unless they develop their own drives. If they do this, they may
have to lose some backwards-compatibility. With IBM's dominant
presence in the LTO space, competitors would need significant
investment to establish a foothold.

  * TAGS
  * IBM
  * LTO
  * Tape

 
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