Networker

Re: [Networker] tapes both recyclable and read-only?

2002-12-17 07:24:25
Subject: Re: [Networker] tapes both recyclable and read-only?
From: Jim Lane <JLane AT TORONTOHYDRO DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Tue, 17 Dec 2002 07:24:44 -0500
never ascribe to malice that which can be adequately explained by
ignorance.
I never intended this to be either a debate or a saga. I genuinely
didn't,
and still don't, understand why my Networker server is behaving the way
it
does. I have only one pool, Default. I have tapes listed as recyclable
but
Networker was pausing with a "waiting for writeable volume" message.
if I relabelled the tape to the same pool and volume serial number then

remounted it all would be well. now that I've turned auto media
management
on it seems to be doing the same thing automatically for me. does this
make sense? is this what the product is supposed to do?

Jim Lane
Sr. Technical Consultant
Network Services
Toronto Hydro
office: (416)-542-2820
cell: (416)-896-8576

>>> treiber AT HOTPOP DOT COM 16-Dec-02 12:50:24 PM >>>
What a saga this is turning into!

When a tape becomes recyclable, it is ALWAYS marked read-only,
indicated by
(R) in several of the NetWorker screens. Of course it is read-only,
you
can't write any more data to it until it has been recycled! It can be
recycled by NetWorker into the same pool in all circumstances except
when it
is also marked as manually recyclable. When NetWorker recycles it, the
read-only flag is removed. To automatically recycle into another pool
does
NOT (I repeat NOT) require Auto Media Management to be enabled.

If you wish a tape to recycle into a different pool, then there are
two
flags in the pool resource, "Recycle to another pool" and "Recycle
from
another pool", and these must be set on the appropriate pools. Doing
this
also does NOT require Auto Media Management to be enabled.

If you wish NetWorker to label previously unlabelled tapes, this is
when you
need Auto Media Management.

NetWorker will only recycle a volume when it needs to satisfy a mount
request.

NetWorker will also not recycle recyclable volumes in standalone tape
drives, unless you enable Auto Media Management on that drive, this is
slightly different to AMM in jukeboxes because it needs to periodically
poll
the drive to check the contents.

END OF DEBATE!

On Mon, 16 Dec 2002 12:16:40 -0500, Jim Lane <JLane AT TORONTOHYDRO DOT COM>
wrote:

>i'm a little confused as to what's meant by "recycle" in this
context.
>without auto media management i've been getting tapes marked
>as recyclable alright. the problem is that they aren't being re-used
>because they're also read-only.
>
>Jim Lane
>Sr. Technical Consultant
>Network Services
>Toronto Hydro
>office: (416)-542-2820
>cell: (416)-896-8576
>
>>>> imeirson AT MBI.CO DOT IL 16-Dec-02 10:27:31 AM >>>
>Han,
>Thank you for pointing out...]
>After double checking with the documentation of nsr_jukebox it seems
>that auto media management is not needed for the recycle.!!!
>Sorry about posting an unconfirmed requirement.
>Itzik
>
>-----Original Message-----
>From: hanny [mailto:k0s5 AT YAHOO DOT COM]
>Sent: Monday, 16 December, 2002 16:58
>To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>Subject: Re: [Networker] tapes both recyclable and read-only?
>
>
>Does this auto media management a must?
>In several environments I know, it is disabled and recycling media
>works
>fine also.
>
>my understanding, turning on this feature only if you allow the media
>to
>recycle to different pool
>
>cheers - han
>
>At 12/16/2002 03:06 PM, Termfreak wrote:
>>Hi,
>>i had the same problem few weeks ago! You must activate the auto
media
>
>>management and be very patiently. In my case it takes 20 Min and
>longer
>
>>before he took the tape  :(
>>
>>----- Original Message -----
>>From: "Jim Lane" <JLane AT TORONTOHYDRO DOT COM>
>>To: <NETWORKER AT LISTMAIL.TEMPLE DOT EDU>
>>Sent: Monday, December 16, 2002 2:08 PM
>>Subject: [Networker] tapes both recyclable and read-only?
>>
>>
>> > Hi, All
>> >
>> > I keep getting a situation where Networker hangs up waiting for a
>> > writeable volume. when I look at the listing of volumes in the
GUI
>I
>
>> > see a bunch of tapes at are marked recyclable but they also show
in
>
>> > the volume serial field as NNNNNN(R) where the "(R)" apparently
>> > means read-only. is it just me or does this combination not make
>any
>
>> > sense. I certainly don't get it. to get things moving again I
have
>
>> > to re-label the tape with "nsrjb -L -Sxxx -b "Default" NNNNNN".
>> > after that I can mount the tape and things start moving again.
can
>
>> > somebody please explain to me what I'm doing wrong here. I have
>> > Networker 6.0 on AIX 4.3.3 with an STK 9710 library. TIA
>> >
>> > Jim Lane
>> > Sr. Technical Consultant
>> > Network Services
>> > Toronto Hydro
>> > office: (416)-542-2820
>> > cell: (416)-896-8576
>> >
>> > --
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>>
>>--
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>cheers - han
>
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