Re: recovering from "too many failures" wal error - Mailing list pgsql-general

From Andy Colson
Subject Re: recovering from "too many failures" wal error
Date
Msg-id 547C8239.2060101@squeakycode.net
Whole thread Raw
In response to recovering from "too many failures" wal error  (CS DBA <cs_dba@consistentstate.com>)
Responses Re: recovering from "too many failures" wal error  (Sameer Kumar <sameer.kumar@ashnik.com>)
List pgsql-general
On 11/29/2014 3:37 PM, CS DBA wrote:
> All;
>
> We have a postgresql 9.2 cluster setup to do continuous wal archiving.
> We were archiving to a mount point that went offline. As a result the db
> could not archive the wal files, we ended up with many many errors in
> the logs indicating the file could not be archived:
>
> WARNING:  transaction log file "0000000100000FB100000050" could not be
> archived: too many failures
>
> So we caught the issue before the file system filled up, fixed the mount
> point and I see wal files being added to the target wal archive
> directory.  However the pg_xlog directory does not seem to be shrinking,
> there are currently 27,546 files in the pg_xlog directory and that
> number is not changed in some time (since we fixed the mount point.
>
> I assume the db will at some point remove the backed up files in the
> pg_xlog dir, is this true? or do I need to intervene?
>
> Thanks in advance
>
>

 From what I recall from this list, you should never play in pg_xlog.
You'll probably do more damage than good.  PG should take care of itself.

Are you still getting error messages?  Looks like its been a few days,
has it shrunk yet?

-Andy





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