Quote:
Originally Posted by acctman
thats what multiple servers are for... take one rack down upgrade then work on the next set. if you're a big site that's what you do.
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its not really that simple. It really depends on the setup. Database maintenance often requires the master server off which makes the site unusable for a while.
Adwords for example has maintenance periods all the time.
Don't worry about namecheap though it doesn't happen often.