On Nov 25, 2008, at 3:00 AM, William W. Fisher offered:
debbie Fligor wrote:
i didn't track when this happened to know if it coincides with a
specific intermapper release, a change to our DNS here or something
else. but it used to be when I put in a device by IP and set "update
name from ip" that it would pickup it's name in under a minute or
if I
hit cmd-k for reprobe. Now when I use that setting it can take more
than 30 minutes (after that I get busy and get back to it some
hours or
days later).
InterMapper's timer for updating each device's DNS is tied to the
TTL of the associated DNS record on your DNS server
(min. 2 minutes, max 24 hours). I wonder if the DNS TTL's have
changed? If the TTL is low enough, reprobing the device
or using a sub-minute poll interval can make the DNS update appear
nearly instantaneous. That's just a side effect
though; the reprobe command does not reset the timer for DNS.
That's interesting. I wouldn't expect to have to change the DNS TTL to
make map changes, so there must be a way to reset Intermapper - force
it to reload zone. Would it take a restart of Intermapper to do this?
Is there a more pleasant way?
Dave Stewart
Aqua~Flo Supply (Goleta CA)
dstewart at aquaflo dot com
Murphy's Law:
Anything that can go wrong, will.
Murphy's Corollary:
Left to themselves, things tend to go from bad to worse.
Murphy's Constant:
Matter will be damaged in direct proportion to its value.
Quantized review of Murphy's Law:
Everything goes wrong all at once.
O'Tooles Commentary:
Murphy was an optimist.
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