<some snippage> On Mon, Jan 12, 2015 at 5:31 PM, Adrian Klaver <adrian.klaver@xxxxxxxxxxx> wrote: > > On 01/12/2015 07:20 AM, Antony Gelberg wrote: >> >> pg_basebackup: could not get transaction log end position from server: >> ERROR: requested WAL segment 0000000400002B9F000000B4 has already been >> removed >> >> This attempted backup reached 430GB before failing. > > > It fails because the WAL file it needs has been removed from under it. > Okay. We simply understood that it took too long. Clearly we have a lot to learn about WAL and its intricacies. >> We were advised on IRC to try -Xs, but that only works with a plain >> (uncompressed) backup, and as you'll note from above, we don't have >> enough disk space for this. >> >> Is there anything else we can do apart from get a bigger disk (not >> trivial at the moment)? Any best practice? > > What is the purpose of the backup? > > In other words do really want the data and the WALs together or do you > just want the data? No, we just want to be able to restore our data at a later point. (As as secondary point, it's not that clear to me why it would be useful to have both, I'd be interested for some insight.) Antony -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general