if you are replacing all drives at once, you may want to keep the media
type the same, so that you can still read the lto3 media in the lto4
drives (such as restoring data). the lto4 drives can also write to the
lto3 media if need be, unless you want to write using encryption.  i've
seen it freeze the lto3 media if it loads it when wanting to write to an
encrypted pool.  if you do keep the drives the same type, then simply
freeze all lto3 media and they shouldn't be able to be written to if
they are "active" or even after all images expire.  they will remain
"frozen" until you unfreeze them, and then you could manually move them
to a media pool that no backup policies use.  you wouldn't need to
change any barcode rules or backup policies.

jerald

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Martin,
Jonathan
Sent: Wednesday, May 26, 2010 1:08 PM
To: Nate Sanders
Cc: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: Re: [Veritas-bu] LTO3 to LTO4 conversion

Barcode rules are only used when injecting new media.  Your existing
media will return to whatever pool they came from when they expire. If
you don't want your old LTO3 media to be used anymore then change your
media type for LTO4 to something different than what your LTO3 media
use, and reconfigure your drives only to use that media type.

I.e. - LTO3 media type hcart, LTO4 media type hcart1, drive type hcart1.

NetBackup won't put an "hcart" media an "hcart1" drive.

-Jonathan

-----Original Message-----
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Nate
Sanders
Sent: Wednesday, May 26, 2010 1:59 PM
To: judy_hinchcliffe AT administaff DOT com
Cc: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
Subject: Re: [Veritas-bu] LTO3 to LTO4 conversion

That tiny bit of information just answered tons of questions. Thank you!

So now I know how to properly handle all new incoming LTO4 tapes. And
ensure they wind up in the LTO4 scratch pool. In order to ensure LTO3s
wind up in a "dead pool" for old tapes, do I simply enter "L3" as the
barcode rule? And when are these rules actually processed? I know it's
used when injecting new tapes, but what other situations does it apply
these rules?


On 05/26/2010 12:16 PM, judy_hinchcliffe AT administaff DOT com wrote:
> Bar code rules can be viewed....
> Go to the gui and act like you are going to inject tapes into your
library
> Choose the radio button for update volume configuration
> This will then un-gray the advanced options
> Click that button and you will see a screen where you configure the
barcode rules ( you should be able to find this in the volume manger
manual)
>
>
> Now the barcode rules are based on what it finds when it scans the
barcodes on the tapes.
>
> If you lto3 tapes have a L3 in the barcode then you can make a rule
telling it 
> L3's go to  <old pool>
>
>
>
> Make your rules and put 1 l3 and 1 l4 in the map and inject the tapes,
then see if the tapes end up in the pools you want them to.
>
>
>
> -----Original Message-----
> From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of Nate
Sanders
> Sent: Wednesday, May 26, 2010 11:12 AM
> To: VERITAS-BU AT MAILMAN.ENG.AUBURN DOT EDU
> Subject: Re: [Veritas-bu] LTO3 to LTO4 conversion
>
> Getting ready to load in the new LTO4 tapes, but I'm still having a
hard
> time planning the right way to do it. I assume I can make a new LTO4
> scratch pool that will store all my initial blank media. I disable the
> existing scratch pool and this will ensure that only new LTO4 tapes
are
> rotated into my other pools. But how do I make sure the existing LTO3
> tapes that expire are not put back into this new LTO4 scratch pool?
> People keep mention barcode rules/labels but I've been unable to find
> what this means or where to view/manage these. If I were to make new
> duplicate LTO4 pools for my other volumes (production4, ndmp4,
offsite4,
> etc) would this ensure none of the existing LTO3 tapes are reused?
>
> I've been digging through the Media Manager (5.1) Admin manual for a
> better understanding of how NBU uses scratch/pools and expires tapes,
> but nothing really seems to explain how it works, just how to manage
> general tasks. If anyone can help answer my questions and also provide
a
> better place for me to focus studying on I'd appreciate it.
>
> Thanks.
>
>
> On 05/03/2010 10:23 AM, Nate Sanders wrote:
>   
>> Forgive me for what may be a straight forward question, but our last
>> backup admin has left and I'm doing my best to step up and keep our
>> systems moving along. I'm looking for a general outline of an LTO3 to
>> LTO4 conversion with Netbackup 5.1 (upgrading is on the list, but we
>> can't wait to complete it). Right now we still have some LTO2 tapes,
and
>> I believe I must migrate and/or eject and store these in order to
>> complete the conversion. Are there any other gotchas or need to knows
I
>> must be aware of?
>>
>> Thank you much.
>>
>> P.S. New member to the list, working on getting scheduled for some
>> on-line courses.
>>
>>   
>>     

-- 
Nate Sanders            Digital Motorworks
System Administrator      (512) 692 - 1038
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