Method of writing zone files

[Marcus Frenkel]

Hello,

Question to BIND devs. I need to know how BIND writes to slave zone files
after zone has been updated. Does it modify the file in place or it
replaces the file with new one at once?

We run rsync to backup these files. Normally, if the file is being written
to, rsync will copy whatever data is there, no matter if the process of
writing is not completed. If BIND writes zone file changes by modifying the
file in couple of writes, our backup will contain incomplete zone files.


Thank you in advance!
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