nanog mailing list archives

RE: outage/maintenance window opinion


From: "Howard, W. Lee" <L.Howard () stanleyassociates com>
Date: Wed, 30 Mar 2005 16:28:01 -0500


-----Original Message-----
From: owner-nanog () merit edu [mailto:owner-nanog () merit edu] On 
Behalf Of Luke Parrish
Sent: Wednesday, March 30, 2005 11:29 AM
To: Pete Templin
Cc: nanog () nanog org
Subject: Re: outage/maintenance window opinion



In this situation we were expecting to be done for the 
majority of the 
maintenance window, but yes I see your point. However I block 
out a 3 hour 
window for maintenance because the activities I am performing on the 
network could easily cause a longer service outage than 
planned as we all 
know. So if I plan for a 4 hour window but only expect 20 minutes of 
downtime that actually turns into 3 hours, as long as it is 
inside the 
maintenance window specified then it should not go against 
outage minutes. 
It was done in the window for a reason...

??
Luke

I'd agree that as long as it's back up before the end of the window,
you're covered.  However, if the outage extends beyond the end of the
window, I would take the the position that made me look worst.  That
shows how seriously you take your maintenance window, and I think this
kind of integrity gives you credibility later.

Lee




At 02:05 PM 3/28/2005, Pete Templin wrote:
Luke Parrish wrote:
Trying to get clarification on an issue.
Maintenance/outage window is 2:00AM to 5:00AM, during the window the
router we are working on fails and does not come back 
online until 8:00AM.
 From a outage reporting/documentation standpoint is the 
outage start 
time 2:00AM or 5:01AM since 5:01AM is when the maintenance 
window and 
planned outage was over...

To a small degree, it depends on how long you anticipated 
the outage to
be.  Were you expecting a three-hour tour^h^h^h^houtage, or 
something 
shorter but opened a big window to give you flexibility on 
when to do 
it?  I would say that a fifteen-minute expected impact means 
the outage 
started at 2:15AM (or fifteen minutes after your work 
interrupted services).

My $0.005,

pt

Luke Parrish
Centurytel Internet Operations
318-330-6661



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