I thought of one other thing to look out for, in addition to the points that
Paul mentioned:
If you have your NBU servers and clients in your /etc/hosts file, then you
would want to make sure that the entry for your master server matches reality.
On Sat, 24 May 2003, Paul Winkeler wrote:
> Date: Sat, 24 May 2003 09:07:29 -0400
> From: Paul Winkeler <pwinkeler AT pbnj-solutions DOT com>
> To: 'Steven L. Sesar' <ssesar AT mitre DOT org>, 'Jimh' <jimh AT federaledge
> DOT com>
> Cc: veritas-bu AT jasons DOT us, veritas-bu AT mailman.eng.auburn DOT edu
> Subject: RE: [Veritas-bu] Netbackup name id?
>
> If the IP address does NOT move there are two things to watch out for:
> 1) All clients must still reverse resolve the "new" IP address to the same
> hostname as before, or the incoming connections from the cluster after the
> fail-over will not be recognized as coming from the same NetBackup server.
> Although it would be OK to list the hostnames of all the other IP addresses
> assigned to the cluster as SERVER entries in the clients' bp.conf files.
> 2) The routing mentioned before can bite you if any of your clients use a
> REQUIRED_INTERFACE directive and as a result cannot route to the new IP
> address.
>
> Have fun,
> PaulW
>
> www.pbnj-solutions.com IT Solutions That Stick
> (216) 533-5708
>
>
> > -----Original Message-----
> > From: veritas-bu-admin AT mailman.eng.auburn DOT edu
> > [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu] On Behalf Of
> > Steven L. Sesar
> > Sent: Friday, May 23, 2003 9:25 PM
> > To: Jimh
> > Cc: veritas-bu AT jasons DOT us; veritas-bu AT mailman.eng.auburn DOT edu
> > Subject: RE: [Veritas-bu] Netbackup name id?
> >
> >
> > Why would he need to move the IP address? As long as the
> > hostname of his master server can resolve, it doesn't matter
> > what the IP address is. Assuming, of course, clients can
> > route to it and vice-versa.
> >
> > -Steve
> >
> >
> > On Fri, 23 May 2003, Jimh wrote:
> >
> > > Date: Fri, 23 May 2003 17:21:47 -0700
> > > From: Jimh <jimh AT federaledge DOT com>
> > > To: 'Steven L. Sesar' <ssesar AT mitre DOT org>, veritas-bu AT jasons DOT
> > > us
> > > Cc: veritas-bu AT mailman.eng.auburn DOT edu
> > > Subject: RE: [Veritas-bu] Netbackup name id?
> > >
> > > You also need to move the ip address with the name.
> > >
> > > Jim
> > >
> > > -----Original Message-----
> > > From: veritas-bu-admin AT mailman.eng.auburn DOT edu
> > > [mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu]On Behalf
> > Of Steven L.
> > > Sesar
> > > Sent: Friday, May 23, 2003 4:52 PM
> > > To: veritas-bu AT jasons DOT us
> > > Cc: veritas-bu AT mailman.eng.auburn DOT edu
> > > Subject: Re: [Veritas-bu] Netbackup name id?
> > >
> > >
> > > My understanding is that your cluster will present itself
> > to the world
> > > as a single host, regardless of the nodes behind it. You would keep
> > > the the existing hostname for the master server. NBU is highly
> > > dependant upon DNS resolution. It uses gethostbyname() to
> > resolve both
> > > server and client hostnames.
> > >
> > >
> > > On Fri, 23 May 2003 veritas-bu AT jasons DOT us wrote:
> > >
> > > > Date: Fri, 23 May 2003 17:13:15 -0400 (EDT)
> > > > From: veritas-bu AT jasons DOT us
> > > > To: veritas-bu AT mailman.eng.auburn DOT edu
> > > > Subject: [Veritas-bu] Netbackup name id?
> > > >
> > > >
> > > > Where does netbackup 4.5 on Solaris get the name it uses for
> > > > identifying itself with the catalog? For example if I wanted to
> > > > cluster the master server using VCS or Sun cluster what
> > name would
> > > > have to move over? Does NBU do a gethostbyname or does it use an
> > > > entry from the bp.conf?
> > > >
> > > > Thanks.
> > > >
> > > > -Jason
> > > >
> > > > -----
> > > > Jason K. Schechner - check out www.cauce.org and help
> > ban spam-mail.
> > > > "All HELL would break loose if time got hacked." - Bill Kearney
> > > > 02-04-03 ---There is no TRUTH. There is no REALITY.
> > There is no CONSISTENCY.---
> > > > ---There are no ABSOLUTE STATEMENTS I'm very
> > probably wrong.---
> > > > _______________________________________________
> > > > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > > >
> > >
> > > --
> > > ========================================
> > >
> > > Steven L. Sesar
> > > Senior Operating Systems Programmer/Analyst
> > > UNIX Applications Services R10A
> > > The MITRE Corporation
> > > 202 Burlington Road - MS K101
> > > Bedford, MA 01730
> > > tel: (781) 271-7702
> > > fax: (781) 271-2600
> > > mobile: (617) 893-9635
> > > email: ssesar AT mitre DOT org
> > >
> > > ========================================
> > >
> > >
> > > _______________________________________________
> > > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > >
> > > _______________________________________________
> > > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > >
> >
> > --
> > ========================================
> >
> > Steven L. Sesar
> > Senior Operating Systems Programmer/Analyst
> > UNIX Applications Services R10A
> > The MITRE Corporation
> > 202 Burlington Road - MS K101
> > Bedford, MA 01730
> > tel: (781) 271-7702
> > fax: (781) 271-2600
> > mobile: (617) 893-9635
> > email: ssesar AT mitre DOT org
> >
> > ========================================
> >
> >
> > _______________________________________________
> > Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo> /veritas-bu
> >
>
>
--
========================================
Steven L. Sesar
Senior Operating Systems Programmer/Analyst
UNIX Applications Services R10A
The MITRE Corporation
202 Burlington Road - MS K101
Bedford, MA 01730
tel: (781) 271-7702
fax: (781) 271-2600
mobile: (617) 893-9635
email: ssesar AT mitre DOT org
========================================
|
