Secondary Zone 'Raw' File format
each at isc.org
Fri May 4 16:55:49 UTC 2012
> A new option was added in 9.9 to cache slave zones in 'raw' format rather
> than text format.
That's actually always been an option ("masterfile-format raw;") and is
recommended for servers with a lot of slave zones because it reduces
startup time considerably--it takes about half as long to load a zone
if you don't need to parse text.
What changed in 9.9 is that it's now the default behavior, and you have
to specify "masterfile-format text;" if you want to save a slave zone in
> Is there any specific documentation on what the format of this 'raw' format
> actually is?
It's just DNS wire format, not much different from what you'd see if
you ran a sniffer during a zone transfer. You can convert it to text
format to see what's in the file with:
named-checkzone -D -f raw <zonename> <filename>
Evan Hunt -- each at isc.org
Internet Systems Consortium, Inc.
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