Re: tape pools, wrapping my mind around them

2018-11-15 Thread Jean-Louis Martineau
You want 3 storage
A vtape can only contains backup from one storage.
You use the storage 'dump_selection' and the dumptype 'tag' to specify
which dle go to that storage

You could use a different pool for each storage.

But using the same pool for all storage have a big benefits:

   - no need to allocate a specific range of slot for each storage

sales use vtape-001, after a few days it is no longer needed (from the
policy), then research or support could use vtape-001

Jean-Louis


Le jeu. 15 nov. 2018, à 15 h 30, Jon LaBadie  a écrit :

> I currently have 240 Vtapes in a single changer.
> Suppose I have 3 "departments", sales, research,
> and support.
>
> Could I create 3 dumptype definitions so that
> all "sales" DLEs are backed up to a tape pool
> consisting of vtapes 1-80, "research" to vtapes
> 81-160, and "support" to vtapes 161-240?
>
> If so, then a single config could handle keeping
> the various data separated while still maintaining
> balance etc.  Of course, is the balance on a tape
> pool basis or on a total configuration basis?
>
> Jon
> --
> Jon H. LaBadie j...@jgcomp.com
>  11226 South Shore Rd.  (703) 787-0688 (H)
>  Reston, VA  20190  (703) 935-6720 (C)
>


RE: tape pools, wrapping my mind around them

2018-11-15 Thread Cuttler, Brian R (HEALTH)
I believe that you would define tape pool of 80 for each, with regular 
expressions you may be able to have the same label string format but different 
tape number ranges.
Maybe like this?

Sales POOL1[0-9][0-9]
Support POOL2[0-9][0-9]
Research POOL3[0-9][0-9]

For sanity I think I'd define 3 tape pools in the one changer. You spend time 
loading and unloading tapes to find the pool and tapes you want, but since this 
is done without having to access a physical tape drive or robot it will take 
virtually no time at all.

-Original Message-
From: owner-amanda-us...@amanda.org  On Behalf 
Of Jon LaBadie
Sent: Thursday, November 15, 2018 3:25 PM
To: amanda-users@amanda.org
Subject: tape pools, wrapping my mind around them

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I currently have 240 Vtapes in a single changer.
Suppose I have 3 "departments", sales, research, and support.

Could I create 3 dumptype definitions so that all "sales" DLEs are backed up to 
a tape pool consisting of vtapes 1-80, "research" to vtapes 81-160, and 
"support" to vtapes 161-240?

If so, then a single config could handle keeping the various data separated 
while still maintaining balance etc.  Of course, is the balance on a tape pool 
basis or on a total configuration basis?

Jon
--
Jon H. LaBadie j...@jgcomp.com
 11226 South Shore Rd.  (703) 787-0688 (H)
 Reston, VA  20190  (703) 935-6720 (C)



tape pools, wrapping my mind around them

2018-11-15 Thread Jon LaBadie
I currently have 240 Vtapes in a single changer.
Suppose I have 3 "departments", sales, research,
and support.

Could I create 3 dumptype definitions so that
all "sales" DLEs are backed up to a tape pool
consisting of vtapes 1-80, "research" to vtapes
81-160, and "support" to vtapes 161-240?

If so, then a single config could handle keeping
the various data separated while still maintaining
balance etc.  Of course, is the balance on a tape
pool basis or on a total configuration basis?

Jon
-- 
Jon H. LaBadie j...@jgcomp.com
 11226 South Shore Rd.  (703) 787-0688 (H)
 Reston, VA  20190  (703) 935-6720 (C)