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

Wed Jun 20 11:52:21 EDT 2007

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.

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Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
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"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 

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  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 

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  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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