On 2 July 2016 at 22:31, Craig Ringer wrote:
>
> - Microsoft VSS is NOT safe, as it fails point 2. It is atomic only on a
> per-file level. You MUST use pg_start_backup() and pg_stop_backup() with
> WAL archiving or automated copy of the extra WAL if you use MS VSS. Most
> Windows backup products
On 2 July 2016 at 22:42, Bruce Momjian wrote:
>
> > I suspect, but cannot prove, that it is also safe to snapshot pg_xlog on
> a
> > separate filesystem if and only if you take the datadir snapshot before
> the
> > pg_xlog snapshot and you have wal_keep_segments high enough to ensure
> that WAL
>
On Sat, Jul 2, 2016 at 10:31:32PM +0800, Craig Ringer wrote:
> - Microsoft VSS is NOT safe, as it fails point 2. It is atomic only on a
> per-file level. You MUST use pg_start_backup() and pg_stop_backup() with WAL
> archiving or automated copy of the extra WAL if you use MS VSS. Most Windows
> ba
Hi all
I just noticed that the Pg docs on backups don't discuss what kind of
snapshots are safe for use without a pg_start_backup() and pg_stop_backup()
then copying the extra WAL.
I'd like to remedy that. My understanding is that it's safe to use a
filesystem or block device level snapshot witho
