September 20, 2012 at 2:47 am
what is Looks alive and iS alive in sql clustering ?
September 20, 2012 at 3:23 am
it's the check to make sure the sql server instance is online and responding
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"Ya can't make an omelette without breaking just a few eggs" 😉
September 21, 2012 at 4:27 am
lookalive is to check whether a resource is just appear online,isalive is a thorough check whether a resource is appear online and also that is functioning properly. These checks are done by Resrcmon.exe.
I am not sure how it works technically, let us wait for someone can explain better.
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