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Same device listed on 2 storage nodes

Posted by Michael Leone 
Michael Leone
Same device listed on 2 storage nodes
September 25, 2018 08:59AM
I have this weird problem. I had an old storage node that had an LTO-4
autochanger on it. Unfortunately, the OS was Win 2003. So we made a new
storage node, and moved the autochanger to it.

However, when I look in Devices in NMC, I see the tape drive of the
autochanger listed on BOTH storage nodes. And there's no option to delete
it, from the old Win 2003 node.

It is showing <HP Ultrium 4-SCSI B63Z at SCSI Port 4 Target 5 LUN 0>
on both nodes. Obviously this is wrong, but how can I delete it from the
old node? There's no option to delete it, if I right click. (I do see an
option to delete from the new node, but that is the one I want to keep, as
that is where the unit physically is attached to.

I've been out for 3 weeks medical leave, and the guy who has been covering
for me says that EMC Tech Support didn't know how to fix this. (which I
find a bit hard to believe ,,,).

Anyway, before I go grumbling at EMC, can anybody give a hint as to how to
delete the device from the old storage node? (that old node is still
online, it just doesn't have this autochanger on it anymore).

Thanks

--
Michael Leone
Network Administrator, ISM
Philadelphia Housing Authority
1800 South 32nd Street
Phila, PA 19145
Hours: 8AM - 4PM EST
Tel: 215-684-4180
Cell: 215-252-0143
<mailto:michael.leone@pha.phila.gov>




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Re: Same device listed on 2 storage nodes
September 25, 2018 09:40AM
- go to the NW server
- search the files under /nsr/res/nsrdb for a unique string which identifies the resource
- open the file and verify which res file you want to delete
- stop the NW daemons
- delete/rename the appropriate resource file
- start NetWorker

The device sould not re-appear now.
Re: Same device listed on 2 storage nodes
September 25, 2018 12:59PM
In regard to: [EMC-DataProtection-L] Same device listed on 2 storage nodes,...:

> I have this weird problem. I had an old storage node that had an LTO-4
> autochanger on it. Unfortunately, the OS was Win 2003. So we made a new
> storage node, and moved the autochanger to it.
>
> However, when I look in Devices in NMC, I see the tape drive of the
> autochanger listed on BOTH storage nodes. And there's no option to delete
> it, from the old Win 2003 node.
>
> It is showing <HP Ultrium 4-SCSI B63Z at SCSI Port 4 Target 5 LUN 0>
> on both nodes. Obviously this is wrong, but how can I delete it from the
> old node?

Does jbedit do what you need?

Tim
--
Tim Mooney Tim.Mooney@ndsu.edu
Enterprise Computing & Infrastructure 701-231-1076 (Voice)
Room 242-J6, Quentin Burdick Building 701-231-8541 (Fax)
North Dakota State University, Fargo, ND 58105-5164


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Michael Leone
Re: Same device listed on 2 storage nodes
September 26, 2018 06:59AM
> Does jbedit do what you need?

No, unfortunately. The old storage node does not show the jukebox, only
the drive. So I can't delete it that way.

>jbedit -d -f rd=admnman012.wrk.ads.pha.phila.gov:\\.\Tape2147483643
09/26/18 09:16:06.445083 Using 'dctrman004.wrk.ads.pha.phila.gov' as
NetWorker server host.
15776:jbedit: No jukeboxes are currently usable.


But that same drive *is* shown in a jukebox on the correct storage node,
and that's correct. It's just that the same drive shows on the other
storage node, but *not* the jukebox that the drive is a part of ..

In fact, the whole jbconfig command seems to have stopped working,
although I haven't changed any Windows configuration ...

C:\Users\admin>jbconfig

Jbconfig is running on host dctrman004.wrk.ads.pha.phila.gov (Windows
Server 2008 R2 6.1),
and is using dctrman004.wrk.ads.pha.phila.gov as the NetWorker server.

1) Configure an AlphaStor Library.
2) Configure an Autodetected SCSI Jukebox.
3) Configure an Autodetected NDMP SCSI Jukebox.
4) Configure an SJI Jukebox.
5) Configure an STL Silo.
6) Exit.

which activity do you want to perform? [1] 2
14484:jbconfig: Scanning SCSI buses; this may take a while ...
14486:jbconfig:
There appear to be no SCSI jukeboxes connected to this system.
This could mean the SCSI jukebox(es) are not connected to the system,
cannot be seen (pending a reboot) or have already been configured.
14487:jbconfig: On Windows Systems, this could mean that the SCSI
jukebox(es) are
enabled for Microsoft Removable Storage.
14488:jbconfig:
Please rerun the program after making the necessary changes.


This is Win 2008 R2, there is no Microsoft Removable Storage service. And
there is a LTO-6 library attached to the server, as well as a jukebox
attached to a storage node.



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Re: Same device listed on 2 storage nodes
September 26, 2018 10:59AM
In regard to: Re: [EMC-DataProtection-L] Same device listed on 2 storage...:

>> Does jbedit do what you need?
>
> No, unfortunately. The old storage node does not show the jukebox, only
> the drive. So I can't delete it that way.

Ok, then I would probably try nsradmin.

Tim
--
Tim Mooney Tim.Mooney@ndsu.edu
Enterprise Computing & Infrastructure 701-231-1076 (Voice)
Room 242-J6, Quentin Burdick Building 701-231-8541 (Fax)
North Dakota State University, Fargo, ND 58105-5164


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Michael Leone
Re: Same device listed on 2 storage nodes
September 27, 2018 05:59AM
> > No, unfortunately. The old storage node does not show the jukebox,
only
> > the drive. So I can't delete it that way.
>
> Ok, then I would probably try nsradmin.


Turned out to be easier than I thought. I deleted the jukebox (and drive)
from the new storage node. Once I did that, I then had a "delete" option
on the drive still listed on the old storage node. So I deleted it there,
and now there were no entries for it anymore. And I was then able to
re-discover libraries, and it found it on the new node, as it should, and
now I have only 1 entry for the single drive in that library.

I still have other issues (for some reason, that library never gets to a
"Ready" state, but that may be a different problem.

My biggest problem now is that all my nodes and servers are 8.4.x, and
that's no longer supported. So now I have to upgrade to 9.2, just to
remain covered for support. I hear it's a big change, so I will start
reading up (and maybe watching YouTube videos; it's surprising what useful
videos you can find on the official Networker YouTube channel), and
upgrading the server and that node (and the NMC), and we'll see from
there.

Thanks


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