SQLSTATE 53100 could not extend file / disk full

Hello,

I wonder whether extra measures are necessary to recover from a disk full error besides freeing enough disk space?

It seems that there are enough security measures:
http://archives.postgresql.org/message-id/CAHHcrepQNCN3HoXSWAOtsj3HJKp5NoepB2ky3dFgVA4JCXh-Qw@mail.gmail.com

Is it no problem if the WAL is within the same disk space and can't be written as well?

I didn't see anything in the FAQ:
http://wiki.postgresql.org/wiki/FAQ

Should you free enough disk space, do a checkpoint, restart the server and check the server log?

Thank you very much,

Peter







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