Networker

Re: [Networker] How to get a 40-slot Autochanger license to work for a 42 slot library?

2008-01-31 20:38:20
Subject: Re: [Networker] How to get a 40-slot Autochanger license to work for a 42 slot library?
From: "Willeat, Todd" <Todd.Willeat AT MERCY DOT NET>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Thu, 31 Jan 2008 19:22:35 -0600
Unless you can make the library report 40 physical slots, I think you'll
need the 64 slot license...

-----Original Message-----
From: EMC NetWorker discussion [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On
Behalf Of George Sinclair
Sent: Thursday, January 31, 2008 7:04 PM
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Subject: [Networker] How to get a 40-slot Autochanger license to work
for a 42 slot library?

I'm not sure if this will work, but I have a 42 slot Quantum M1800 (two 
M1500s stacked)
tape library with a 64 slot Autochanger. I have an snode managing this, 
running 7.2.2 on Linux.
I'll bite the bullet on the 64-slot license if there's no way around it,

but I'd really like to get this to
work with a 40 slot license to save cost. That way we could upgrade a 32

slot license we no longer
need to a 40 slot for the Quantum and then upgrade the 64-slot license 
to a 128 slot license for a new library.
This would be a big savings, I don't care about giving up two slots. 
Those last two slots are fixed slots that
can be used for data cartridges, but are usually reserved for cleaning 
cartridges, and I don't let NW do the cleaning.

To test, I added a 40 slot temp license (exp date = Mar 15, 2008), 
removed the permanent license, stopped and restarted everything.
When I try to mount tapes, NW complains with the following:

Jukebox 'rd=snode:M1800' failed: The jukebox 'rd=snode:M1800' is not 
properly licensed.  Make sure
the jukebox is properly enabled and authorized.

A soon as I re-added the 64-slot license it started working properly - 
no restart required. Well, this didn't surprise me.
The jukebox config lists the physical slots as 1-42, but I do have 
available slots listed at 1-40 because when I originally
configured the library I told NW to reserve slots 41-42 for cleaning. I 
later switched to doing cleaning on the library.
I tried clearing out the 'Cleaning slots' field, but that didn't resolve

this issue. NW still lists:

41  Cleaning Tape (17 us
42  Cleaning Tape (29 us

in the mount window (nwadmin).  If I run 'changers -ldv' on the snode, 
it reports:

[email protected]:Vendor <M4 DATA>, Product <MagFile>, Revision <12.0>

         1 MT Element(s) starting at address 32
        40 ST Element(s) starting at address 192
         4 DT Element(s) starting at address 128

I've not tried removing the jukebox and reconfiguring it with nsrjb. I 
think when I originally configured
it, I hadn't first enabled Cleaning on the library for those two slots.

1. Should I try removing the jukebox and reconfiguring it now that the 
library is set to see those two slots
as cleaning slots? Might that work?

2. How about if I run nsradmin and then change the physical slots from 
1-42 to 1-40? I've never tried that,
but I don't think it's possible in nwadmin. It does appear editable in 
nsradmin, though?

3. If that won't work, could I shut down NW on the primary sever and 
snode and then manually edit
the corresponding res file 
(/nsr/res/nsrdb/06/001a00fb000000000000000044d20f130a5aeb07)?
This appears to be an ASCII file. Then restart everything? Would that be

a quick way to test it?
Don't want to risk corrupting anything so just asking first.

Would appreciate any suggestions.

George


-- 
George Sinclair - NOAA/NESDIS/National Oceanographic Data Center
SSMC3 4th Floor Rm 4145       | Voice: (301) 713-3284 x210
1315 East West Highway        | Fax:   (301) 713-3301
Silver Spring, MD 20910-3282  | Web Site:  http://www.nodc.noaa.gov/
- Any opinions expressed in this message are NOT those of the US Govt. -


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