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Expectations about Uptime

What's reasonable to expect?

         

buckworks

11:26 pm on Jul 26, 2007 (gmt 0)

WebmasterWorld Administrator 10+ Year Member Top Contributors Of The Month



I know no host can guarantee 100% uptime, but what's reasonable to expect?

A site I'm involved with was down for 30 minutes on Monday and 19 minutes today because (according to the host) "The server had crashed and needed a reboot." (Not sure what Monday's problem was.) Those aren't the first prime-time outages this year, either.

Is it normal for Microsoft servers to have problems that take that long to fix?

My own sites are with a different host on a Linux server that hasn't had that much downtime in over two years total.

Would changing hosts fix anything or are weird outages common with sites on Windows servers? (This is not a cheap host.)

The Contractor

11:47 pm on Jul 26, 2007 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



I know no host can guarantee 100% uptime, but what's reasonable to expect?

If you are paying decent money you can/should expect 99.5+ uptime. A lot more will "guarantee" that just to get your business and if you whine they will throw $1 back at you for the hour they were down.
I know the host that provides/manages my server has a few WIN servers (also a few MS exchange and CF) available for shared hosting besides all the linux, mail , and database servers. I am looking at the stats of the Windows boxes and see they are all averaged better than 99.9% over the past 2 years.

You normally pay-for-what-you-get in hosting.
I don't go for any down time that isn't planned for very off-peak day/hours...hehe

plumsauce

5:22 am on Jul 27, 2007 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



Notice that the host never said anything about making changes. Just that a reboot was necessary. Now, it may be that it took them that long to notice it before actually rebooting.

If a windows server crashes, it is almost always the customer code or customer configuration. Not the OS itself.

My windows server has been down once, for less than 10 minutes in the last 800 or so days as measured by netcraft. A wandering electrician pulled the wrong power cord. Not exactly the fault of the OS. The system event log going back to the last time I cleared it in early 2005 does not even fill one screen.

I install and manage my own, and for others, but am not a hosting provider.

I would say that 30 minutes in a month would be acceptable for most businesses. Or, ought to be.

buckworks

1:36 pm on Jul 27, 2007 (gmt 0)

WebmasterWorld Administrator 10+ Year Member Top Contributors Of The Month



it is almost always the customer code or customer configuration.

The site I'm referring to hadn't had any changes other than simple text updates for several months.

I don't know who else is on the same server or what they might have been doing, though.

vincevincevince

1:47 pm on Jul 27, 2007 (gmt 0)

WebmasterWorld Senior Member 10+ Year Member



Is it normal for Microsoft servers to have problems that take that long to fix?

I'm not sure about how long they take to fix but in my experience they've not been particularly stable (prone to just freezing up with no explaination every few months)

OTOH, many servers will go through an odd period of instability, whether you are with a massive or a tiny host. If it outlasts a week of occassional outage then start to worry, but do bear in mind that it is unlikely to have problems again the next few years. (i.e. problems tend to happen a few times, then get fixed, and then don't rear their head again literally for years).

jaytee

8:01 pm on Jul 27, 2007 (gmt 0)

10+ Year Member



99.5% should be the minimum for cut price 'hobby' hosting or a 'casual' web presence.

If however your business IS the web... there should be 99.9% in you SLA.

The reality is however, if it falls short, you only get an apportioned credit of what you pay. You don't of course get loss of earnings.