Hi,
In my bind BIND 9.10.0-P2 on linux/64 instance, I use slaved rpz zones.
Usually, all works as expected.
On an infrequent basis, I start getting errors related to that zone, e.g.:
main.log:Sep 4 07:58:24 dns named[7285]: 04-Sep-2014 07:58:24.509
general: error: zone rpz.spamhaus.org/IN/internal: journal rollforward failed:
journal out of sync with zone
main.log:Sep 4 07:58:24 dns named[7285]: 04-Sep-2014 07:58:24.509
general: warning: zone rpz.spamhaus.org/IN/internal: unable to load from
'/namedb/slave/rpz.spamhaus.org.zone.jnl'; renaming file to
'/namedb/slave/jn-NI0GTceo' for failure analysis and retransferring.
main.log:Sep 4 07:58:24 dns named[7285]: 04-Sep-2014 07:58:24.509
general: warning: zone rpz.spamhaus.org/IN/internal: unable to load from
'/namedb/slave/rpz.spamhaus.org.zone'; renaming file to
'/namedb/slave/db-9mSfiPuk' for failure analysis and retransferring.
Once (one or more?) of these errors occur, named stops responding to clients'
queries/lookups/etc.; it's still running, just not responding.
Brute-force restarting bind fixes it, until the next transfer attempt from
master->slave -- then it freezes up again.
Noting
journal rollforward failed: journal out of sync with zone
if I
rndc sync -clean
rndc reload
or manually
'stop' bind
rm -f slave/*jnl
'start' bind
it seems to fix all the issues. The next N transfers are all ok, and bind
keeps responding.
Until -- at some "random" point -- the journal gets out of sync again.
Is there a way -- from 'inside' bind -- to monitor for those errors/fails, and
automatically sync & reload? Or should I simply run a sync/reload job
externally with cron on a 'fairly frequent' basis? That seems wasteful ...
This ONLY happens with the slaved rpz zone (I do NOT have any other non-rpz
slaves) -- I'm not clear what's causing the the out-of-sync (corruption?) in
the 1st place.
Suggestions?
Grant
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