Hi R'Shmuel AMV"SH,
I'm pretty sure that I ran IEHDASDR (OS/VS2 V3.8) to Back Up 3350s.

Regards,
David

On 2022-12-11 15:17, Seymour J Metz wrote:
That may have been OS/VS only; I vaguely recall a PRPQ to add 3350 support to 
OS/360.

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Hi R'Shmuel AMV"SH,
IIRC, IEHDASDR supported 3350.


Regards,
David

On 2022-12-11 11:52, Seymour J Metz wrote:
IEHDASDR was part of OS/360, OS/VS1 and OS/vs2, and continued to exist in MVS 
for lo these many releases. However, Direct Access Storage Dump Restore 
(DASDR), 5740-UT1, is a separate program, with a separate dump format, and was 
never part of any of them; you had to order and install it separately. Oh, the 
DASDR dump format was also not compatible with DF/DSS, 5740-UT3.

As I recall, IEHDASDR did not support 3350, much less 3375, 3380 or 3390.


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Shmuel (Seymour J.) Metz
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From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
David Spiegel [00000468385049d1-dmarc-requ...@listserv.ua.edu]
Sent: Friday, December 9, 2022 1:53 PM
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Subject: Re: Computers

IEHDASDR  was part of MVT (early '70s)
DF/DSS came much later (maybe 10 years?)

On 2022-12-09 13:12, Seymour J Metz wrote:
I believe that DASDR and DF/DSS came later.


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Shmuel (Seymour J.) Metz
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From: IBM Mainframe Discussion List [IBM-MAIN@LISTSERV.UA.EDU] on behalf of 
Steve Beaver [st...@stevebeaver.com]
Sent: Tuesday, December 6, 2022 7:29 AM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: Computers

DSS.  Data Set Services

Sent from my iPhone

No one said I could type with one thumb

On Dec 6, 2022, at 06:21, Jay Maynard <jaymayn...@gmail.com> wrote:

OK, this is a new one on me. What's DSS?

On Tue, Dec 6, 2022 at 6:09 AM Seymour J Metz <sme...@gmu.edu> wrote:

MVS/SE installed on an OS/VS2 base; for R1 it was 3.7 with prerequisite
selectable units and for R2 it was 3.8 with prerequisite selectable units.
In each case a prerequisite SU killed DSS. MVS/SP replaced MVS/SE

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