Re: NLB on a Domain Controller?
- From: "Windowsmt60" <Windowsmt60@xxxxxxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 27 Jan 2006 17:16:27 -0800
Now, honestly, I know that is simply not the case. I have done it. And it
will work as long as you turn off strict name checking and you use the
printmig tool to duplicate the printers on both servers. The question was
about a domain controller. But, I have gained consensus with my management
that we will use backup print queues and the users can simply resubmit. But,
while MS may not support NLB, their documentation does make reference in
several places to it, and I have physically witnessed it work. It would
however, be too great a task at this point to try to separate out ports and
replication, and we are simply introducing too many possible problematic
issues, so at the least, I have convinced others here that it isn't a
pursuable course of action.
Thanks for your help guys.
"Greg Page" wrote:
> NLB does NOT support printing fuctionality.
> --------------------
> | Reply-To: "Rodney R. Fournier [MVP]" <rod@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> | From: "Rodney R. Fournier [MVP]" <rod@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
> | References: <F8918235-B202-4484-9894-C19B1A5E92B9@xxxxxxxxxxxxx>
> <OD95kogIGHA.1728@xxxxxxxxxxxxxxxxxxxx>
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> <Jd#ZyPnIGHA.3764@xxxxxxxxxxxxxxxxxxxxx>
> <220B86E9-A373-41CD-8F3B-6248EEB896F8@xxxxxxxxxxxxx>
> | Subject: Re: NLB on a Domain Controller?
> | Date: Thu, 26 Jan 2006 18:11:06 -0600
> | Lines: 154
> | Organization: Net Working America, Inc.
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> microsoft.public.windows.server.clustering:13322
> | X-Tomcat-NG: microsoft.public.windows.server.clustering
> |
> | Sorry to say but your management is wrong. Printers need to use Server
> | Clustering and not NLB. You can Google and find Clustering Printers, but
> | nothing on NLB and Printers.
> |
> | Cheers,
> |
> | Rod
> |
> | MVP - Windows Server - Clustering
> | http://www.nw-america.com - Clustering Website
> | http://msmvps.com/clustering - Blog
> | http://www.clusterhelp.com - Cluster Training
> |
> | "Windowsmt60" <Windowsmt60@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> | news:220B86E9-A373-41CD-8F3B-6248EEB896F8@xxxxxxxxxxxxxxxx
> | > As was mentioned, my management wanted to NLB the printers for
> redundancy,
> | > but at this point. I am telling them that it is not recommended, and
> may
> | > not
> | > be possible, but without a firm answer ro documentation it is difficult
> to
> | > convince semi-informed parties. At this point, I do not have additional
> | > hardware to dedicate to File and Print services. So, I am using two of
> the
> | > three DC's. For redundancy, I am leaning to having a "backup queue" for
> | > each
> | > printer on the secondary DC where jobs can be resubmitted if necessary.
> | > But
> | > if I can get true high availability, it would be better.
> | >
> | > "Greg Page" wrote:
> | >
> | >> The real question is...what do you think NLB on a DC will achieve?
> | >> Everything Rod said is correct...
> | >> --------------------
> | >> | Thread-Topic: NLB on a Domain Controller?
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> | >> <Windowsmt60@xxxxxxxxxxxxxxxxxxxxxxxxx>
> | >> | References: <F8918235-B202-4484-9894-C19B1A5E92B9@xxxxxxxxxxxxx>
> | >> <OD95kogIGHA.1728@xxxxxxxxxxxxxxxxxxxx>
> | >> | Subject: Re: NLB on a Domain Controller?
> | >> | Date: Wed, 25 Jan 2006 16:05:02 -0800
> | >> | Lines: 59
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> | >> microsoft.public.windows.server.clustering:13291
> | >> | X-Tomcat-NG: microsoft.public.windows.server.clustering
> | >> |
> | >> | Agreed. And let me affirm that the idea is theoretical at this point.
> | >> DHCP is
> | >> | not on these DCs, to clarify. I was merely giving a scenario given
> | >> limited
> | >> | server hardware availability. And I trying to avoid exactly what you
> | >> are
> | >> | saying. I have pressure to stretch the limitations on the current
> | >> hardware,
> | >> | and while my argument is that we are already using the DC's for
> | >> Exchange
> | >> GAL
> | >> | lookups, WINS, DNS, File and Print, (3 DC's total) and I recommend
> | >> moving
> | >> the
> | >> | file and print elsewhere, if pressured, I only want minimal services
> | >> load
> | >> | balanced. Anything else would be even more problematic at this
> point. I
> | >> have
> | >> | my doubts that I can even do this successfully, but I cannot find
> | >> | documentation to the contrary, therefore, I am having trouble
> | >> explaining
> | >> my
> | >> | reluctance to trying it other than possible user downtime if the
> | >> scenario
> | >> | fails.
> | >> |
> | >> | So while the point is conceded through sheer personal experience, the
> | >> | question still stands, can it be done and if not, is there
> | >> documentation
> | >> to
> | >> | at the very least recommend that NLB not be used on a DC? I need to
> be
> | >> armed
> | >> | in order to leverage this argument or I need to know that I could
> | >> succeed
> | >> in
> | >> | order to drop the argument. Thanks.
> | >> |
> | >> | "Rodney R. Fournier [MVP]" wrote:
> | >> |
> | >> | > Hmm NLB on a DC. That would fall under too much on a DC! You know
> | >> that
> | >> every
> | >> | > DC would have to have the same IP and MAC for this to work. How
> would
> | >> the
> | >> | > DC's replicate between themselves? Even with a second NIC, this is
> a
> | >> little
> | >> | > tricky, with DNS and such, plus client access, Kerberos, etc.
> | >> | >
> | >> | > I would not advice it. File, DHCP, and Print are made for Server
> | >> Clustering.
> | >> | > DHCP is not recommended on a DC due to security concerns. Sounds
> like
> | >> you
> | >> | > might get too many eggs in your DC's basket!
> | >> | >
> | >> | > Good luck!
> | >> | >
> | >> | > Cheers,
> | >> | >
> | >> | > Rod
> | >> | >
> | >> | > MVP - Windows Server - Clustering
> | >> | > http://www.nw-america.com - Clustering Website
> | >> | > http://msmvps.com/clustering - Blog
> | >> | > http://www.clusterhelp.com - Cluster Training
> | >> | >
> | >> | > "Windowsmt60" <Windowsmt60@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
> | >> message
> | >> | > news:F8918235-B202-4484-9894-C19B1A5E92B9@xxxxxxxxxxxxxxxx
> | >> | > > Can I use port filtering to selectively load balance services on
> a
> | >> DC?
> | >> | > > Specifically, I would like to support high availability for
> | >> services
> | >> such
> | >> | > > as
> | >> | > > file and print that are currently handled by my DCs without
> | >> affecting
> | >> | > > operation of my authentication, DNS, and WINS and DHCP. If I
> filter
> | >> on
> | >> | > > port
> | >> | > > 9100 would I not be able to only accept printing on the cluster
> MAC
> | >> and
> | >> | > > not
> | >> | > > affect performance of the other services with Multicast enabled?
> | >> | > >
> | >> | > > Thanks,
> | >> | > >
> | >> | > > Mike
> | >> | >
> | >> | >
> | >> | >
> | >> |
> | >>
> | >>
> |
> |
> |
>
>
.
- References:
- Re: NLB on a Domain Controller?
- From: Rodney R. Fournier [MVP]
- Re: NLB on a Domain Controller?
- From: Greg Page
- Re: NLB on a Domain Controller?
- From: Windowsmt60
- Re: NLB on a Domain Controller?
- From: Rodney R. Fournier [MVP]
- Re: NLB on a Domain Controller?
- From: Greg Page
- Re: NLB on a Domain Controller?
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