I would take chat GPT with a huge block of salt.  Sure, the Spectra boxes can 
take TS11xx tape drives in them, but as far as I know, they won't attach to a 
mainframe.  

The IBM answer may or may not be wrong, depending on what the OP actually 
wanted.  Does he want a direct attached physical tape drive/library?  If so, 
the answer is "nope".  The TS4500 won't attach to a z.  Does he not care what 
intermediate steps are gone thru?  If no, then sure, it'll attach, you just 
have to have a VTS sitting in the middle.  And BTW, the TS7760 is out of 
support, replaced by the TS7770 and TS7780.  The TS4500 attaches to the back of 
the TS77xx and functions as additional cache for the VTS, as well as a way to 
take the VTS logical tapes offsite.

Rex

-----Original Message-----
From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of 
Matt Hogstrom
Sent: Friday, January 24, 2025 9:48 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: [EXTERNAL] Re: Mainframe physical tape backup

Chat GPT says in answer to: 

On the IBM mainframe operating system z/os customers use physical tape to 
backup their systems.  What vendors manufacture physical tape systems and media 
today

Is:

=================
As of today, several vendors manufacture physical tape systems and media for 
IBM mainframe (z/OS) environments. The primary manufacturers include:



1. IBM

• Tape Systems: IBM TS7770, TS7760, TS4500 Tape Library, TS4300 Tape Library

• Tape Drives: IBM TS1160, TS1155, TS1150

• Tape Media: IBM 3592 Series (JD, JC, JB, JA cartridges)

• Virtual Tape Systems (VTS): IBM TS7700 Series (Hybrid Physical & Virtual)



2. Spectra Logic

• Tape Libraries: Spectra TFinity ExaScale, Spectra T950, T380, T200, T120

• Tape Drives: IBM TS1160-compatible solutions

• Tape Media: LTO and IBM 3592-compatible cartridges



3. Quantum

• Tape Libraries: Scalar i6000, Scalar i500, Scalar i3, and Scalar i6

• Tape Drives: LTO-based drives (supports LTO-9, LTO-8, LTO-7, etc.)

• Tape Media: LTO Ultrium cartridges (LTO-9, LTO-8, etc.)



4. Fujifilm

• Tape Media Manufacturer: Supplies LTO Ultrium and IBM 3592 tape cartridges.

• Notable Product: FUJIFILM Strontium Ferrite (SrFe) technology for 
next-generation tape.



5. Sony

• Tape Media Manufacturer: Produces LTO Ultrium and high-density enterprise 
tape.



6. Oracle (formerly StorageTek)

• Tape Libraries: Oracle StorageTek SL8500, SL3000, SL150

• Tape Drives: Oracle T10000D, T10000C

• Tape Media: Oracle T10000 cartridges, LTO Ultrium



7. Dell Technologies

• Tape Solutions: Primarily offers LTO-based solutions via Dell PowerVault 
TL4000, TL2000.



These vendors continue to provide physical tape solutions because of their 
reliability, long-term archival capabilities, and cost-effectiveness compared 
to disk and cloud storage for massive datasets. IBM’s 3592 and LTO media remain 
dominant in enterprise and mainframe environments.

===============================

Your mileage may vary 


> On Jan 24, 2025, at 10:41 AM, Peter 
> <000005e4a8a0a03d-dmarc-requ...@listserv.ua.edu> wrote:
> 
> Hello
> 
> My organization has asked me to explore about the vendors who are 
> still providing external physical tape backup.
> 
> How many companies are there who are making physical tape Solutions 
> and I would like to discuss with them.
> 
> Any pointers would be appreciated.
> 
> Regards
> Peter
> 
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