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Rob -

We get that we don't remove the data when the tape is expired thus our
belief that initializing the tape will clear the data within the Data
Domain to the predefined "empty" tape storage used. We are backing up
about 5-7 TB of data per day so initializing the expired tape would reclaim
that much space on the DD.

Thanks,

Steve McKay
(205) 585-8424
samckay1@xxxxxxxxx



On Mon, Jul 27, 2020 at 2:12 PM Rob Berendt <rob@xxxxxxxxx> wrote:

Because I don't believe you do initialize them. IF you are saving object
detail you can still do a WRKOBJBRM and find it on that expired tape, up
until the time it is reused. You can also do a DSPTAP and see those
objects. Just because you expired the tapes does not mean the data has
been initialized off of the tape. Normally it's not an issue. Unless you
configured 16,000 tapes on your DD and BRMS will use all of them and leave
the data on them, expired or not, until the time comes for it to reuse the
tape. BRMS will:
Use new tapes first.
When there are no new tapes reuse the tape which has been expired the
longest. Only at that time is the data gone/rewritten over top of.

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 7310 Innovation Blvd, Suite 104
Ft. Wayne, IN 46818
Ship to: 7310 Innovation Blvd, Dock 9C
Ft. Wayne, IN 46818
http://www.dekko.com


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Paul Fenstermacher
Sent: Monday, July 27, 2020 2:00 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Can I initialize expired tapes using STRMNTBRM?

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We also back up daily to DD and we don't have problems initializing
volumes within STRMNTBRM.

Paul Fenstermacher | Sys Admin, Sr | Technology Operations | Jack Henry &
Associates, Inc.
Remote | Springfield, MO | 417-501-0508 |
pfenstermacher@xxxxxxxxxxxxx

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Steve McKay
Sent: Monday, July 27, 2020 9:56 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Can I initialize expired tapes using STRMNTBRM?

************************************************
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All -

We back up to an EMC Data Domain (as a VTL) using BRMS. My director
doesn't want to keep unused data on the Data Domain so he wants to
initialize the expired tapes. I am currently manually initializing every
expired tape. Is there a way to initialize the tapes as STRMNTBRM expires
them each day?

Thanks,

Steve McKay
(205) 585-8424
samckay1@xxxxxxxxx
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