[cisco-voip] DMA 4.2 to 6.x staging !!!
Djokic Sinisa
sdjokic at mds.rs
Mon Apr 21 04:10:51 EDT 2008
so..for a review..
one thing is for shure..we must use hostnames without underscores for linux
based UCCMs..
i saw some guys reporting "catastrofic" situation meaning we need to do a
fresh install ( according to TAC )..
cisco docs for upgrade to UCCM 6.1 states that we can change the hostname
and even ip address also..
matthew says he did it without problems..
so, i'm not shure what's the final verdict on this..
definetelly i managed to install the UCCM6.0 using DMA export file from
CCM4.2 which contanined underscores in the hostname..i enterd "normal"
hostaname..
install took a time but it finished..
everything from old configuration was there..
i'm accessing the administration and everything else..
but without licenses i cannot test it does it really works..
since this is staging and not real deployment, i'm not sending MAC address
of the server and the hash file to the licensing team beacuse i'm waiting
for new servers..
so to be honest i'm not shure what's the final verdict..
can we use DMA with CCM4.x with hostnames with _ or we must do a fresh
install..
hm..
thanx..
regards..
Sinisa Djokic
System Engineer
CCNP,CCDA,CQS-CWLDS,CS-CIPTDS,CS-CIPCCES Cisco Certified
MDS Informaticki inzenjering
Bul. Arsenija Carnojevica 170
11070 Novi Beograd, Serbia
Tel: +381 11 2015 200, 2015 273
Fax: +381 11 3194 954
www.mds.rs
sdjokic at mds.rs
-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jonathan Charles
Sent: Friday, April 18, 2008 5:51 PM
To: Kevin Thorngren
Cc: cisco-voip at puck.nether.net; Matt Slaga (US)
Subject: Re: [cisco-voip] DMA 4.2 to 6.x staging !!!
OK, apparently there is a fix for this...
Change the hostname in the DMA file...
Still researching on exact procedure...
Jonathan
On Thu, Apr 17, 2008 at 11:05 AM, Kevin Thorngren <kthorngr at cisco.com>
wrote:
> Yes, you cannot change a 4.x hostname due to the information in SQL.
>
> I might be misunderstanding the purpose of your comment but what I
> referred to below provides the steps to allow you to change the hostname
> during the upgrade process. The problem appears to be that DMA does not
> build the migration data if there is an underscore in the hostname. Yes
it
> would be nice if this was a warning instead of error and allowed you to
> proceed with the upgrade, since you are not allowed (I believe) to enter
> invalid hostname characters during the installation.
>
> Kevin
>
>
> On Apr 17, 2008, at 11:15 AM, Jonathan Charles wrote:
>
>
> > The problem is not CCM, but SQL.
> >
> > Since the hostname is scattered all over the place inside SQL, you
> > can't change the hostname of the Windows CCM.... but it seems to be a
> > simple matter to change it in the DMA tarball... just search for all
> > references and change it there...
> >
> > However, I am sure this was tried, cuz the rebuild was a nightmare...
> > so, it probably can't be done.
> >
> >
> >
> > Jonathan
> >
> > On Thu, Apr 17, 2008 at 10:13 AM, Kevin Thorngren <kthorngr at cisco.com>
> wrote:
> >
> > > This describes one of the problems that can be encountered with an
> > > underscore in the hostname:
> > >
http://www.ciscotaccc.com/kaidara-advisor/voice/showcase?case=K40221577
> > >
> > > Although I have not tried this myself the 6.1(1) upgrade
documentation
> > > states, on page 20-21:
> > > "This feature allows you to import your 4.x data to a 6.1(1) server
> without
> > > having to preserve the IP
> > > Address or Host Name. The IP Address and/or Host name of the 6.1(1)
> server
> > > can differ from the 4.x
> > > servername. "
> > >
> > >
> > >
>
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/upgrade/6_1_1/upgrd611-pd
f.pdf
> > >
> > > Due to the rules built into DMA I would suspect, although I don't
have
> > > documentation to back it up, that any non-DNS supported characters
will
> be
> > > flagged as an error.
> > >
> > > Do you remember if the hostname or IP Address was configured under
> System >
> > > Server?
> > >
> > > I am note sure if DMA performs the hostname check against the actual
> > > hostname or what is configured under System > Server. Based on
looking
> at
> > > some DMA logs I can see that DMA does keep track of the actual
hostname,
> Ip
> > > Address and System Server hostname/IP.
> > >
> > > Kevin
> > >
> > >
> > > On Apr 17, 2008, at 10:12 AM, Jonathan Charles wrote:
> > >
> > >
> > >
> > > > I am seriously having no luck finding the bug (another engineer
> > > > contacted TAC and he has since departed...)
> > > >
> > > >
> > > > Jonathan
> > > >
> > > > On Thu, Apr 17, 2008 at 9:04 AM, Voice Noob <voicenoob at gmail.com>
> wrote:
> > > >
> > > >
> > > > > That's because an _ is an accepted character in NetBIOS names
which
> is
> > > > >
> > > >
> > > what
> > >
> > > >
> > > > > the computer name is. they were not trying to follow DNS
standards.
> What
> > > > >
> > > >
> > > I
> > >
> > > >
> > > > > don't think is correct is that you can't go from an _ in the name,
> use
> > > > >
> > > >
> > > DMA
> > >
> > > >
> > > > > to export the information and then change then name during the
> upgrade
> > > > > process. I think this was a TAC person that didn't do enough
> research
> > > > >
> > > >
> > > and an
> > >
> > > >
> > > > > engineer that just accepted what the TAC person said as gospel. I
> would
> > > > >
> > > >
> > > like
> > >
> > > >
> > > > > to see something that says you can't upgrade if you have a _ in
the
> > > > >
> > > >
> > > computer
> > >
> > > >
> > > > > name.
> > > > >
> > > > >
> > > > > On Thu, Apr 17, 2008 at 8:55 AM, Matt Slaga (US)
> > > > >
> > > >
> > > <Matt.Slaga at us.didata.com>
> > >
> > > >
> > > > > wrote:
> > > > >
> > > > >
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > This has to do with standard DNS naming. Microsoft in their
> infinite
> > > > > >
> > > > > >
> > > > > wisdom allowed _'s even though they are not allowed in the DNS
RFC.
> > > > >
> > > >
> > > Linux
> > >
> > > >
> > > > > follows strictly to the DNS RFC which does not allow underscores
in
> > > > >
> > > >
> > > names.
> > >
> > > >
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > From: cisco-voip-bounces at puck.nether.net
> > > > > >
> > > > > >
> > > > > [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Voice
Noob
> > > > >
> > > > >
> > > > > > Sent: Thursday, April 17, 2008 9:52 AM
> > > > > > To: Jonathan Charles
> > > > > >
> > > > > > Cc: cisco-voip at puck.nether.net
> > > > > > Subject: Re: [cisco-voip] DMA 4.2 to 6.x staging !!!
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > Is this _ problem documented somewhere on Cisco.com? I find it
> hard to
> > > > > >
> > > > > >
> > > > > accept that you could not use an _ for the DMA export.
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > > On Thu, Apr 17, 2008 at 8:34 AM, Jonathan Charles
> <jonvoip at gmail.com>
> > > > > >
> > > > > >
> > > > > wrote:
> > > > >
> > > > >
> > > > > >
> > > > > > Please do not say that you had an underscore in your old
> hostname...
> > > > > >
> > > > > > Because if you do, you cannot run DMA.
> > > > > >
> > > > > > We ran into this a few months ago on a 4.1 - 6.0 upgrade and we
> ended
> > > > > > up having to export everything via BAT and reimporting... TAC
said
> an
> > > > > > underscore means DMA cannot be used.
> > > > > >
> > > > > >
> > > > > >
> > > > > > Jonathan
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > On Thu, Apr 17, 2008 at 7:51 AM, Djokic Sinisa <sdjokic at mds.rs>
> wrote:
> > > > > >
> > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > hi crew..
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > i'm staging for migration from CCM 4.2 to UCCM 6.x cluster and
i
> did
> > > > > > >
> > > > > >
> > > > >
> > > >
> > > DMA
> > >
> > > >
> > > > >
> > > > > >
> > > > > > > export..
> > > > > > >
> > > > > > > so during UCCM 6.0 install when it asked me for a hostname i
> tried
> > > > > > >
> > > > > >
> > > > >
> > > >
> > > to
> > >
> > > >
> > > > >
> > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > enter
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > > > the old one but it didn't excepted it obviously the old
hostname
> has
> > > > > > > underscores in it..
> > > > > > >
> > > > > > > it's like COMPANY_CCM_X..
> > > > > > >
> > > > > > > so i entered new one..
> > > > > > >
> > > > > > > is that going to cause problems?..beacuse of the DMA export
> fiule
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > containg
> > > > >
> > > > >
> > > > > >
> > > > > >
> > > > > > > old hostname..IP address remained the same..
> > > > > > >
> > > > > > > i'm in the middle of it so i don't have any results yet..
> > > > > > >
> > > > > > > if it would cause problems what's the soluton..
> > > > > > >
> > > > > > > i do sincerely hope it;s not the fresh install..
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > thanx..
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > regards..
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > Sinisa Djokic
> > > > > > >
> > > > > > > System Engineer
> > > > > > > CCNP,CCDA,CQS-CWLDS,CS-CIPTDS,CS-CIPCCES Cisco Certified
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > MDS Informaticki inzenjering
> > > > > > > Bul. Arsenija Carnojevica 170
> > > > > > > 11070 Novi Beograd, Serbia
> > > > > > > Tel: +381 11 2015 200, 2015 273
> > > > > > > Fax: +381 11 3194 954
> > > > > > > www.mds.rs
> > > > > > > sdjokic at mds.rs
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > >
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