Re: Can I initialize expired tapes using STRMNTBRM?

[Steve McKay <samckay1@xxxxxxxxx>]

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
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> Dept 1600
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>
> -----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?
>
> CAUTION: This email originated from outside of the organization. Do not
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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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