Discussion:
Corrupted Slave Data?
Tim Daneliuk via bind-users
2021-05-20 13:30:00 UTC
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Running bind 9.16.15 on FreeBSD 11.4-STABLE.

Master is out on a cloud server at Digital Ocean. Slave is on-premise.
All on-prem LANs point to the slave instance.

Running split horizon to keep nosey parkers out of our local DNS assignments.

Recently - and for no obvious reason - the on-prem instance stops resolving
properly. The fix is to stop it, clear out the slave files, and restart.
Then it works for a few days and repeats its misbehavior.

The logs show nothing remarkable, at least at first look.

Is there a known slave file corruption problem?

Could someone kindly suggest things we could look into otherwise?

Many Thanks ...
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Anand Buddhdev
2021-05-20 13:43:02 UTC
Permalink
On 20/05/2021 15:30, Tim Daneliuk via bind-users wrote:

Hi Tim,
Post by Tim Daneliuk via bind-users
Recently - and for no obvious reason - the on-prem instance stops resolving
properly. The fix is to stop it, clear out the slave files, and restart.
Then it works for a few days and repeats its misbehavior.
The logs show nothing remarkable, at least at first look.
Is there a known slave file corruption problem?
Could someone kindly suggest things we could look into otherwise?
This is not a useful report at all. Your statement, "the on-prem
instance stops resolving properly", provides absolutely no useful
information about the failure. You haven't provided any configuration
details either. All you're saying is "I have a problem. Help!" We are
not mind-readers, and can't even begin to imagine what might be wrong.

If you provide more details about your configuration, and about what
kind of failure you're observing (dig queries and responses, for
example), then perhaps some people might be able to assist you.

Regards,
Anand
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Tim Daneliuk via bind-users
2021-05-20 15:54:55 UTC
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Post by Anand Buddhdev
Hi Tim,
Post by Tim Daneliuk via bind-users
Recently - and for no obvious reason - the on-prem instance stops resolving
properly. The fix is to stop it, clear out the slave files, and restart.
Then it works for a few days and repeats its misbehavior.
The logs show nothing remarkable, at least at first look.
Is there a known slave file corruption problem?
Could someone kindly suggest things we could look into otherwise?
This is not a useful report at all. Your statement, "the on-prem
instance stops resolving properly", provides absolutely no useful
information about the failure. You haven't provided any configuration
details either. All you're saying is "I have a problem. Help!" We are
not mind-readers, and can't even begin to imagine what might be wrong.
If you provide more details about your configuration, and about what
kind of failure you're observing (dig queries and responses, for
example), then perhaps some people might be able to assist you.
Regards,
Anand
Fair enough. Although I was just curious about known slave file corruption
issue, for now. When this happens again, I will do digs and submit deets here.

Thanks
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