From: | Ashutosh Sharma <ashu(dot)coek88(at)gmail(dot)com> |
---|---|
To: | Andres Freund <andres(at)anarazel(dot)de> |
Cc: | pgsql-hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: pg_basebackup creates a corrupt file for pg_stat_tmp and pg_replslot on a backup location |
Date: | 2016-04-14 18:20:40 |
Message-ID: | CAE9k0P=HJQuYJr+6H0viRCPnozjvQQoa_qENYbwRzdudBVFA9Q@mail.gmail.com |
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Lists: | pgsql-hackers |
Hi,
I was just curious to know how would "*pg_basebackup*" behave if we do
create a symbolic link for directories other than pg_xlog/pg_tblspc.
However it is clearly mentioned in the documentation of pg_basebackup that
if a Symbolic link for the directories other than pg_tblspc and pg_xlog is
created then it would be skipped. But, that is not the case for pg_replslot
and pg_stat_tmp. Is this not an issue. Should these directories not be
skipped. Please let me know your thoughts on this. Thanks.
With Regards,
Ashutosh Sharma
EnterpriseDB: *http://www.enterprisedb.com <http://www.enterprisedb.com>*
On Thu, Apr 14, 2016 at 8:42 PM, Andres Freund <andres(at)anarazel(dot)de> wrote:
> Hi,
>
> On 2016-04-14 13:43:34 +0530, Ashutosh Sharma wrote:
> > I tried performing pg_basebackup after creating a symbolic link for
> > pg_replslot, pg_stat_tmp, pg_log and pg_clog in the source directory
>
> That's not supported, and I strongly suspect that you're goint to hit
> more than just this issue. The only directory you're allowed to symlink
> away is pg_xlog.
>
> What were you actually trying to achieve?
>
> Greetings,
>
> Andres Freund
>
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