Re: [Networker] Need help in DDS

Hold on.  I'm confused.

In an earlier mail, you mention that server A is a NetWorker server, but
server B is a storage node.  However, the NetWorker server is complaining
that a NetWorker server cannot be used as a storage node.

It sounds as if the NetWorker server software was installed on server B, but
you're trying to set it up as a storage node.

If you want server B to be a storage node, then:
- shut down the NetWorker server software on server B
- remove the NetWorker software from server B
- reinstall NetWorker specifying client and storage node.  Do not load the
NetWorker server software.

Now set up the new library by running jbconfig on the server that will be
controlling the robotics on the new library.

Hope this helps,

Wes

-----Original Message-----
From: Lee Hwan Meng [mailto:hwanlee AT SOFTHOME DOT NET] 
Sent: Sunday, August 18, 2002 8:38 PM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: Re: [Networker] Need help in DDS


In my environment, I have one old library attached to server A; now the new
library arrives and attached to server B. I want Server A to see the old
library as well as server B to see new library at the same time. No library
is being shared here. However, Networker disallowed this upon detecting 2
nsrd running in the network. Why is this so?

Maybe this acts as a safety catch. Networker conveniently assumes some 2
servers are sharing one library when it detects 2 nsrd running, no?


On Fri, 16 Aug 2002 08:39:48 -0700, Wes Ono <wono AT LEGATO DOT COM> wrote:

>SAN is not relevant to this problem.  The issue is that one NetWorker
server
>cannot act as a storage node for another NetWorker server.  NetWorker would
>behave the same way in a non-SAN environment.
>
>You CAN have more than one NetWorker server in a SAN.  If you want the two
>servers to share a library, then you need AlphaStor or SmartMedia.
>
>Hope this helps,
>
>Wes
>
>-----Original Message-----
>From: Lee Hwan Meng [mailto:hwanlee AT SOFTHOME DOT NET]
>Sent: Friday, August 16, 2002 7:22 AM
>To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>Subject: Re: [Networker] Need help in DDS
>
>
>Well, not really. In a SAN environment, the backup server would complain if
>it discovers another storage node running nsrd daemon. The recurring
>irritating and unhelpful message goes like:
>
><time> <backup server> root: [ID 702911 daemon.notice] NetWorker media:
>(notice)check storage node: <storage node> (a server cannot be a storage
>node)
>
>I am not too sure why you cannot have >1 backup server in a SAN (though you
>can have another backup server OUTSIDE SAN but in the same backup LAN). The
>only reason I can think of is maybe this prevents a mix-up in backup
>indexing when you do backup from one of the backup server to the other
>backup server-connected tape library. However, if you specify the '-s' flag
>in save, there won't be any confusion.
>
>
>
>On Fri, 16 Aug 2002 11:31:08 +0200, =?iso-8859-1?Q?Bj=F6rn_Lundstr=F6m?=
><bjorn.lundstrom AT PROACT DOT SE> wrote:
>
>>Hi,
>>
>>you can have as many backup servers and tape libraries as you want in a
SAN
>>environment.
>>
>>I think what you really are talking about is sharing a tape library
between
>>backup servers,
>>is that right ?
>>
>>In case that is what you want to do Legato offers this with their
>products ,
>>SmartMedia and AlpaStor.
>>
>>///Björn
>>
>>-----Original Message-----
>>From: Matts Nilsson [mailto:matts_nilsson AT YAHOO DOT COM]
>>Sent: den 16 augusti 2002 10:57
>>To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>>Subject: Re: [Networker] Need help in DDS
>>
>>
>> A bit off topic, but why isn't it possible to have
>>more than one backup server in a SAN?
>>
>>// Matts
>>
>> --- Lee Hwan Meng <hwanlee AT SOFTHOME DOT NET> skrev: > In
>>any case, in a SAN environment, you cannot have 2
>>> backup servers, even
>>> though they may be talking to different storage
>>> volume.
>>>
>>> Anyway, one solution given to me was to adjust the
>>> startup script
>>> (/etc/init.d/networker) so that backup server daemon
>>> nsrd is not started on
>>> the storage node when used as client. Of course,
>>> when used as backup server
>>> to the old library, stop nsr and uncomment off nsrd
>>> in the startup script
>>> again.
>>>
>>>
>>>
>>> On Thu, 8 Aug 2002 07:19:46 -0500, Rohrich, James
>>> <rohrich AT UOP DOT COM> wrote:
>>>
>>> >Assuming you have a license, you also have to load
>>> the storage node
>>> software
>>> >on Server B. This might mean unloading the backup
>>> server software on the
>>> >Server B first and then load the storage node
>>> software. Becareful if server
>>> >B was running as a backup server since you might
>>> lose data. A storage node
>>> >does not save indexes since they are only kept on
>>> the backup server. Make
>>> >sure you are doing what you want.
>>> >
>>> >-----Original Message-----
>>> >From: Lee Hwan Meng
>>> >To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
>>> >Sent: 8/8/02 5:31 AM
>>> >Subject: [Networker] Need help in DDS
>>> >
>>> >Hi
>>> >
>>> >Our environment:
>>> >
>>> >Server A (Networker backup server)
>>> >Server B (Storage nodes)
>>> >Using SAN, DDS enabled for both sharing 6 drives on
>>> tape library
>>> >
>>> >When Server B is configured also as Networker
>>> backup server, I got this
>>> >error messages:
>>> >
>>> >Aug  8 10:18:19 A root: [ID 702911 daemon.notice]
>>> NetWorker media:
>>> >(notice)
>>> >check storage node: B (a server cannot be a storage
>>> node)
>>> >
>>> >The point is, I have some data backed up in a
>>> smaller library before the
>>> >arrival of this 6-drive monster, in order to
>>> retrieve the data, I need
>>> >to
>>> >attached Server B to the smaller library, so Server
>>> B also needs to be a
>>> >backup server. How can I achieve that? Is it
>>> possible to do it?
>>> >
>>> >Thanks.
>>> >
>>> >Regards
>>> >Hwan Meng
>>> >
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>>Busenkelt!
>>
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