3DNSs sold because this is a messy function, that needs to know details
of whichever application protocol
your setup uses. I would think someone has developed an open-source
bind add-on to do it, but I don't
know any off-hand.
Given a specific simple situation and specific server failure modes to
be covered, there are probably a
million people who could write a script using normal unix tools to
carry out the function and load the
data into bind.
On Dec 3, 2008, at 9:53 AM, Ken DBA wrote:
Hello,
Is there any way to make Bind check the server's availability before
send back responses to clients?
ie, given the domain name www.site.com was pointed to 1.1.1.1 and
2.2.2.2 in Bind.
When a client query for www.site.com, Bind will check the health
status for these two servers. If one is unavailable,Bind shouldn't
direct client's requests to it.
I know F5's 3DNS can do it well.But rather than 3DNS, is there any
free way for this purpose? Thanks.
Ken.
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