| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | David Steele <david(at)pgmasters(dot)net>, Stephen Frost <sfrost(at)snowman(dot)net>, Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>, Suraj Kharage <suraj(dot)kharage(at)enterprisedb(dot)com>, tushar <tushar(dot)ahuja(at)enterprisedb(dot)com>, Rajkumar Raghuwanshi <rajkumar(dot)raghuwanshi(at)enterprisedb(dot)com>, Rushabh Lathia <rushabh(dot)lathia(at)gmail(dot)com>, Tels <nospam-pg-abuse(at)bloodgate(dot)com>, Andrew Dunstan <andrew(dot)dunstan(at)2ndquadrant(dot)com>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>, Jeevan Chalke <jeevan(dot)chalke(at)enterprisedb(dot)com>, vignesh C <vignesh21(at)gmail(dot)com> |
| Subject: | Re: backup manifests |
| Date: | 2020-03-27 20:12:22 |
| Message-ID: | 20200327201222.3iybtw4ipv3yxujj@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
Hi,
On 2020-03-27 14:34:19 -0400, Robert Haas wrote:
> I think #2 is an interesting idea and could possibly reduce the danger
> of user confusion on this point considerably - because, let's face it,
> not everyone is going to read the documentation. However, I'm having a
> hard time figuring out exactly what we'd print. Right now on success,
> unless you specify -q, you get:
>
> [rhaas ~]$ pg_validatebackup ~/pgslave
> backup successfully verified
>
> But it feels strange and possibly confusing to me to print something like:
>
> [rhaas ~]$ pg_validatebackup ~/pgslave
> backup successfully verified (except for pg_wal)
You could print something like:
WAL necessary to restore this base backup can be validated with:
pg_waldump -p ~/pgslave -t tl -s backup_start_location -e backup_end_loc > /dev/null && echo true
Obviously that specific invocation sucks, but it'd not be hard to add an
option to waldump to not output anything.
Greetings,
Andres Freund
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