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Questions tagged [outage]

Power or network failure that causes downtime accross a large number of platforms. Blackout.

37 questions
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1 answer

What HTTP status should I return during temporary site outage/downtime?

I'm going to be taking down my website for an upgrade to the code. I'd like to have a temporary downtime page display during the upgrade. For the sake of preventing issues with bots attempting to spider my site during the downtime, what HTTP…
Matt Huggins
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Documenting an outage for a post-mortem review

We had a rather serious outage this past week affecting several services which put us out of our SLA with customers. Now that everything has been resolved, I am conducting a post-mortem review. From this review, I would like to come up with an…
Doug Luxem
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I had a power outage. Now MySQL's lock file won't go away. What do you suggest?

I do freelance IT consulting for various clients, both in Toronto, Canada, and worldwide. A client recently experienced a power failure. Now they've been having various problems with a Slackware 12.0.0 machine which also acts as a DNS server. One…
jasonspiro
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What's the major outage you've been part of?

Outages are some of the things that we try to avoid but they're inevitable: they happen (very rarely, we hope) and we have to know how to deal with them (and learn from them). So, what's the major outage you've been part of? How did you and your…
Marco Ramos
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How do I update DNS without causing an outage?

If I change a computer's IP address, it can take a long time for ISP's to stop caching the results. Is there a way to mitigate this, if I plan ahead?
jldugger
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How to enter past outage timing in OpenNMS

For scheduled outages, We need to enter timings so that these period will not be considered as a down time. So far so good. However, if someone doesnt define a blackout window and we need to adjust after wards, is that possible in opennms? If yes,…
akas
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What's the best way to Notify network users of outages or maintenance

There are times when one of our applications is down for maintenance and we'd like to let our users know about it before they start flooding our help desk with calls. What's the best way to notify our users of an event on the network? Some users…
Dubs
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Unusual DHCP activity after power outage

Over the holiday weekend, one of our clients experienced a power outage. When everything came back online, most devices seemed to be fine, but a few (one of our ESXi hosts and a number of VDIs) could not get a proper IP address. They were getting…
Joel D.
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5 answers

VOIP Power outage strategy

In the past 2 years, we have had 4 instances where we have been without power for a period of 4-6 hours - due to construction crews cutting power lines, car accidents involving downed power lines, etc. I am trying to develop a strategy/disaster…
AWippler
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BES 5.x issues when connecting to Exchange 2010 SP2 RU4

Ever since we updated from SP1 RU4 to SP2 RU4 we have noticed that our BES devices will simply stop receiving email. This has occurred at least 5 times in the past few weeks. Today, while speaking with RIM support (a T3 contract), they said that…
makerofthings7
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Network outage - Mapping, Checking network, BGP, Traceroute, RIPE

At first, I'm not able to name my question properly, so this will be adjusted I recently experienced an international network gap. Mean when some part of world wide network is unavailable. I'm able to find out using ping,traceroute,nmap tools where…
Marek Sebera
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Actions to take during/after a power outage

We're in the process of replacing the shelving in our server room, and I found a piece of paper that had been covered over which lists various actions to take during/after a power outage: ADSL modem power off and on Start all servers Start…
Scott
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Tracking Down Source of Network Instability

If the issue happens, it happens at 10am, for about 1minute between onset and return to stability. It does not happen every day. During the minute, pings go through the roof and packets start to drop, then the pings settle down and packets stop…
Kaz
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Electricity outage killed 4 out of 6 UPS

We recently had an electricity outage of 1-2 seconds at one of our buildings. In this building we have 6 UPS and 4 of them died while/after the electricity outage and all the servers were powered off. Every UPS has only 1 server attached to it. And…
Efekan
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Windows Server 2012 after power outage

Had a power outage, server restarted normally. Server is a database server for a hotel, which is connected to an ISP with optic fibre. On the restart, network went public, instead of the default private network. Had to tear down the firewall. Could…
user3726760
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