[cisco-voip] OS Upgrades and Patches When the WAN is Down - QuickQuestion

Wed Jun 20 12:47:49 EDT 2007

Should any thought be given to shutting down the servers before the WAN outage?

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370 
Fax (202)-330-5607
millers at dicksteinshapiro.com 

----- Original Message -----
From: Ryan Ratliff <rratliff at cisco.com>
To: Lelio Fulgenzi <lelio at uoguelph.ca>
Cc: Miller, Steve; Matt Slaga (US) <Matt.Slaga at us.didata.com>; cisco-voip at puck.nether.net <cisco-voip at puck.nether.net>
Sent: Wed Jun 20 12:20:46 2007
Subject: Re: [cisco-voip] OS Upgrades and Patches When the WAN is Down - QuickQuestion

If the WAN has been down for some time most likely the subscriptions  
would need to be reinitialized anyway.  I doubt the reboot is going  
to break it much more than a planned power outage would.

-Ryan

On Jun 20, 2007, at 11:52 AM, Lelio Fulgenzi wrote:

I would not attempt any restarts of any servers while the WAN is  
down. Who knows what the SQL subscriptions would do. And I've noticed  
they do not come back gracefully after a disconnect.

Wait until the WAN is up and communications is in full swing before  
attempting any work.

That's my conservative 2cents worth.

------------------------------------------------------------------------ 
--------
Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
"Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo  
buffalo."      WJR
----- Original Message -----
From: Miller, Steve
To: Matt Slaga (US) ; cisco-voip at puck.nether.net
Sent: Wednesday, June 20, 2007 11:42 AM
Subject: Re: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion

Does anyone else have opinions on this?  Please help to put my mind  
at ease.  The second sub is in NY.  The pub and first sub are in DC.   
Thank you!

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com

From: Matt Slaga (US) [mailto:Matt.Slaga at us.didata.com]
Sent: Wednesday, June 20, 2007 8:40 AM
To: Miller, Steve; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion

Is the second sub remote across the WAN?

From: Miller, Steve [mailto:MillerS at DicksteinShapiro.COM]
Sent: Wednesday, June 20, 2007 8:38 AM
To: Matt Slaga (US); cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion

These are only operating system upgrades and service releases - going  
from 4.2 to 4.4.  We have a publisher and subscriber in our main  
office, and a subscriber in our second biggest office.  Our third  
office is an SRST site.

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com

From: Matt Slaga (US) [mailto:Matt.Slaga at us.didata.com]
Sent: Wednesday, June 20, 2007 8:03 AM
To: Miller, Steve; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] OS Upgrades and Patches When the WAN is  
Down - QuickQuestion

If the WAN is only connecting remote offices, then you should be  
okay.  If all your CallManager servers are in the same building you  
are fine.   Any remote phones will upgrade firmware once the wan is  
back up.

From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip- 
bounces at puck.nether.net] On Behalf Of Miller, Steve
Sent: Tuesday, June 19, 2007 10:42 PM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] OS Upgrades and Patches When the WAN is Down -  
QuickQuestion

We are planning to upgrade the base OS and patch one Publisher and  
two Subscribers this Saturday night.  All of our building power where  
our servers reside will be "on", but our WAN circuits come into our  
complex in an adjacent building where the power will be shut down for  
up to 12 hours.  Assuming that the WAN circuits will be dead, should  
we go ahead and load the software or should we wait until the WAN  
circuits are fully operational?  We normally load the Pub/reboot and  
then load the Subs and reboot after each new piece of software is  
loaded.  Please let me know if there can be negative repercussions.   
Thank you!

Steve Miller
Telecom Engineer
Dickstein Shapiro LLP
1825 Eye Street NW | Washington, DC 20006
Tel (202) 420-3370| Fax (202) 330-5607
MillerS at dicksteinshapiro.com

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