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FYI,
I tried this exact process in testing and encountered problems. I don't
recall specifically what they were, but they forced us to abandon our name
change plans.
Ebon Nash
-----Original Message-----
From: Labonte, L R (Leo), SOLIT [mailto:llabonte AT att DOT com]
Sent: Thursday, May 15, 2003 1:37 PM
To: Dennis Caparas; William Enestvedt
Cc: Cornely, David; veritas-bu AT mailman.eng.auburn DOT edu
Subject: RE: [Veritas-bu] Changing hostname of master server
Dennis,
I've changed the hostname of the NetBackup master a couple times:
1) Save the NetBackup catalogs, noting which tape is used.
2) Rename the master server.
3) Restore the catalogs with:
bprecover -r -tpath /dev/rmt/0cbn -dhost [new_hostname]
4) Check that all media servers refer to the new master name as
the volume database host. I believe /usr/openv/volmgr/bin/tpconfig
can be used to configure this.
This is not a supported migration scenario, but it works.
Good luck.
Leo R. Labonte
N&SO - Centralized Server Operations
AT&T Solutions
' (732) 420-6080
* llabonte AT att DOT com
7 106042 AT my2way DOT com
-----Original Message-----
From: Dennis Caparas [mailto:dcaparas AT borland DOT com]
Sent: Thursday, May 15, 2003 11:59 AM
To: William Enestvedt
Cc: Cornely, David; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Changing hostname of master server
Thanks William and David!
You're right, Veritas Tech support told me that it is reallllyyyyyyyy very
hard to change the hostname. He advised that I get a Veritas guy here and do
the work ( which I think I will not do because it will cost money). I'll
just stick to my current hostname and just make an alias for what I want it
to be.
Regards,
Dennis
William Enestvedt wrote:
Hoo boy, don't do this if you can at all avoid it.
The last time I checked with Veritas on this it wasn't
supported...
Agreeed. And almost immediately, don't be too afraid to do it. I have
switched my Master Server off of a Media Server to a new system, and then
swapped out the other Media Server for a new one. I plan to do it again,
too! :7)
My set-up was pretty simple -- two Solaris 2.6 Media Servers (one which
was also the Master Server), each with an L9 tape library attached -- so if
your situation has greater complexity, it may make this impossible.
...(or wasn't supported unless you paid for a
Veritas contractor to do it).
I called the Veritas support line and patiently let the guy tell me how
the sky was going to fall if I tried this -- and then he emailed me a list
of the steps to take. Give them a call and they'll probably tell you. (I
know it's cowardly, but *I* am not going to be the person who gives you the
rope to hang yourself.)
>From what I understand NBU integrates the hostname into itself is
such a way that it's very difficult to know where it is and what
kind of fall out can result from this change.
That's true enough. Roughly speaking, you pretend to have a server
failure and then "recover" onto the new server.
-wde
--
Will Enestvedt
UNIX System Administrator
Johnson & Wales University -- Providence, RI
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
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<DIV><SPAN class=3D521484817-15052003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2>FYI,</FONT></SPAN></DIV>
<DIV><SPAN class=3D521484817-15052003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D521484817-15052003><FONT face=3DArial =
color=3D#0000ff size=3D2>I=20
tried this exact process in testing and encountered problems. I =
don't=20
recall specifically what they were, but they forced us to abandon our =
name=20
change plans. </FONT></SPAN></DIV>
<DIV><SPAN class=3D521484817-15052003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D521484817-15052003><FONT face=3DArial =
color=3D#0000ff=20
size=3D2></FONT></SPAN> </DIV>
<DIV><SPAN class=3D521484817-15052003><FONT face=3DArial =
color=3D#0000ff size=3D2>Ebon=20
Nash</FONT></SPAN></DIV>
<BLOCKQUOTE dir=3Dltr style=3D"MARGIN-RIGHT: 0px">
<DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT =
face=3DTahoma=20
size=3D2>-----Original Message-----<BR><B>From:</B> Labonte, L R =
(Leo), SOLIT=20
[mailto:llabonte AT att DOT com]<BR><B>Sent:</B> Thursday, May 15, 2003 1:37 =
PM<BR><B>To:</B> Dennis Caparas; William Enestvedt<BR><B>Cc:</B> =
Cornely,=20
David; veritas-bu AT mailman.eng.auburn DOT edu<BR><B>Subject:</B> RE: =
[Veritas-bu]=20
Changing hostname of master server<BR><BR></FONT></DIV>
<DIV><SPAN class=3D772591617-15052003><FONT=20
color=3D#0000ff>Dennis,</FONT></SPAN></DIV>
<DIV><SPAN class=3D772591617-15052003><FONT=20
color=3D#0000ff></FONT></SPAN> </DIV>
<DIV><SPAN class=3D772591617-15052003><FONT color=3D#0000ff>I've =
changed the=20
hostname of the NetBackup master a couple times:</FONT></SPAN></DIV>
<DIV><SPAN class=3D772591617-15052003><FONT=20
color=3D#0000ff></FONT></SPAN> </DIV>
<DIV><SPAN class=3D772591617-15052003><FONT color=3D#0000ff>1) Save =
the NetBackup=20
catalogs, noting which tape is used.</FONT></SPAN></DIV>
<DIV><SPAN class=3D772591617-15052003><FONT color=3D#0000ff>2) Rename =
the master=20
server.</FONT></SPAN></DIV>
<DIV><SPAN class=3D772591617-15052003><FONT color=3D#0000ff>3) =
Restore the=20
catalogs with:</FONT></SPAN></DIV>
<DIV><SPAN class=3D772591617-15052003></SPAN><FONT =
color=3D#0000ff><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003> </SPAN>bprecover =
-r</SPAN><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA">=20
-tpath /dev/rmt/0<SPAN =
class=3D772591617-15052003>c</SPAN>bn <SPAN=20
class=3D772591617-15052003>-dhost =
[new_hostname]</SPAN></SPAN></FONT></DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT color=3D#0000ff>4) Check that all =
media servers=20
refer to the new master name as</FONT></SPAN></SPAN></DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT color=3D#0000ff>the volume database =
host. I=20
believe /usr/openv/volmgr/bin/tpconfig</FONT></SPAN></SPAN></DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT color=3D#0000ff>can be used to =
configure=20
this.</FONT></SPAN></SPAN></DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT =
color=3D#0000ff></FONT></SPAN></SPAN> </DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT color=3D#0000ff>This is not a =
supported migration=20
scenario, but it works.</FONT></SPAN></SPAN></DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT =
color=3D#0000ff></FONT></SPAN></SPAN> </DIV>
<DIV><SPAN=20
style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman'; =
mso-bidi-font-size: 10.0pt; mso-fareast-font-family: 'Times New Roman'; =
mso-ansi-language: EN-US; mso-fareast-language: EN-US; =
mso-bidi-language: AR-SA"><SPAN=20
class=3D772591617-15052003><FONT color=3D#0000ff>Good=20
luck.</FONT></SPAN></SPAN></DIV>
<P><I><FONT face=3D"Monotype Corsiva" size=3D4>Leo R. =
Labonte</FONT></I>=20
<BR><B><FONT face=3DArial color=3D#0000ff size=3D2>N&SO - =
Centralized Server=20
Operations</FONT></B> <BR><B><FONT face=3DArial color=3D#0000ff =
size=3D2>AT&T=20
Solutions</FONT></B> <BR><FONT face=3D"Wingdings 2" =
color=3D#660066>'<FONT=20
face=3D"Courier New"></FONT></FONT> <FONT face=3DArial =
color=3D#660066 size=3D2>(732)=20
420-6080</FONT> <BR><FONT face=3DWingdings color=3D#660066>+<FONT=20
face=3D"Courier New"></FONT></FONT> <FONT face=3DArial =
color=3D#660066=20
size=3D2>llabonte AT att DOT com</FONT> <BR><FONT face=3D"Wingdings 2"=20
color=3D#660066>7<FONT face=3D"Courier New"></FONT></FONT> <FONT =
face=3DArial=20
color=3D#660066 size=3D2>106042 AT my2way DOT com</FONT> </P>
<BLOCKQUOTE>
<DIV class=3DOutlookMessageHeader dir=3Dltr align=3Dleft><FONT =
face=3DTahoma=20
size=3D2>-----Original Message-----<BR><B>From:</B> Dennis Caparas=20
[mailto:dcaparas AT borland DOT com]<BR><B>Sent:</B> Thursday, May 15, =
2003 11:59=20
AM<BR><B>To:</B> William Enestvedt<BR><B>Cc:</B> Cornely, David;=20
veritas-bu AT mailman.eng.auburn DOT edu<BR><B>Subject:</B> Re: =
[Veritas-bu]=20
Changing hostname of master server<BR><BR></FONT></DIV>Thanks =
William and=20
David!<BR>You're right, Veritas Tech support told me that it is=20
reallllyyyyyyyy very hard to change the hostname. He advised that I =
get a=20
Veritas guy here and do the work ( which I think I will not do =
because it=20
will cost money). I'll just stick to my current hostname and just =
make an=20
alias for what I want it to =
be.<BR><BR>Regards,<BR>Dennis<BR><BR>William=20
Enestvedt wrote:<BR>
<BLOCKQUOTE =
cite=3Dmid946FD6186E8D4E46AB4F6FDD23AAE864A6FA74 AT pvdexc02.jwu DOT edu=20
type=3D"cite">
<BLOCKQUOTE type=3D"cite"><PRE wrap=3D"">Hoo boy, don't do this =
if you can at all avoid it.
The last time I checked with Veritas on this it wasn't=20
supported...
</PRE></BLOCKQUOTE><PRE wrap=3D""><!----> Agreeed. And almost =
immediately, don't be too afraid to do it. I have switched my Master =
Server off of a Media Server to a new system, and then swapped out the =
other Media Server for a new one. I plan to do it again, too! :7)
My set-up was pretty simple -- two Solaris 2.6 Media Servers (one =
which was also the Master Server), each with an L9 tape library =
attached -- so if your situation has greater complexity, it may make =
this impossible.
</PRE>
<BLOCKQUOTE type=3D"cite"><PRE wrap=3D"">...(or wasn't supported =
unless you paid for a=20
Veritas contractor to do it).
</PRE></BLOCKQUOTE><PRE wrap=3D""><!----> I called the Veritas =
support line and patiently let the guy tell me how the sky was going to =
fall if I tried this -- and then he emailed me a list of the steps to =
take. Give them a call and they'll probably tell you. (I know it's =
cowardly, but *I* am not going to be the person who gives you the rope =
to hang yourself.)
</PRE>
<BLOCKQUOTE type=3D"cite"><PRE wrap=3D"">From what I understand =
NBU integrates the hostname into itself is=20
such a way that it's very difficult to know where it is and what=20
kind of fall out can result from this change.
</PRE></BLOCKQUOTE><PRE wrap=3D""><!----> That's true enough. =
Roughly speaking, you pretend to have a server failure and then =
"recover" onto the new server.
-wde
--
Will Enestvedt
UNIX System Administrator
Johnson & Wales University -- Providence, RI
_______________________________________________
Veritas-bu maillist - <A class=3Dmoz-txt-link-abbreviated =
href=3D"mailto:Veritas-bu AT mailman.eng.auburn DOT edu">Veritas-bu AT mailman
DOT eng=
.auburn.edu</A>
<A class=3Dmoz-txt-link-freetext =
href=3D"http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu";>http:=
//mailman.eng.auburn.edu/mailman/listinfo/veritas-bu</A>
</PRE></BLOCKQUOTE><BR></BLOCKQUOTE></BLOCKQUOTE></BODY></HTML>
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<BR>
<BR>
<P><B><FONT SIZE=3D2 FACE=3D"Arial">The contents of this e-mail are =
intended for the named addressee only. It contains information that may =
be confidential. Unless you are the named addressee or an authorized =
designee, you may not copy or use it, or disclose it to anyone else. If =
you received it in error please notify us immediately and then destroy =
it.</FONT></B> </P>
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