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

Jonathan Charles jonvoip at gmail.com
Wed Jun 20 18:03:39 EDT 2007 

No.

Worst case, you may need to do a clusterwide reboot afterwards...
however, that is unlikely... I have quite a few customers with Subs
across the WAN and all of them lose their WAN from time to time...

In CCM 5, I have seen it quite often where the WAN goes down and you
need to reboot the Sub after it comes back up to get the DB back into
sync.


Jonathan

On 6/20/07, Miller, Steve <MillerS at dicksteinshapiro.com> wrote:
>
>
>
> 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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