From: Tom Lane <tgl@sss.pgh.pa.us>
To: tushar <tushar.ahuja@enterprisedb.com>
Cc: PostgreSQL-development <pgsql-hackers@postgresql.org>
Subject: Re: pg_resetwal is broken if run from v10 against older version of PG data directory
Date: Mon, 29 May 2017 11:45:37 -0400
Message-ID: <10763.1496072737@sss.pgh.pa.us> (raw)
In-Reply-To: <f4b8eb91-b934-8a0d-b3cc-68f06e2279d1@enterprisedb.com>
References: <f4b8eb91-b934-8a0d-b3cc-68f06e2279d1@enterprisedb.com>
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tushar <tushar.ahuja@enterprisedb.com> writes:
> I have installed PG v9.6 / v9.5 , if we run pg_resetwal from v10
> binaries against data directory of v9.6/9.5 ,getting this error -
> centos@centos-cpula bin]$ ./pg_resetwal -D /tmp/pg9.6/bin/data/
> pg_resetwal: pg_control exists but is broken or unknown version; ignoring it
> pg_resetwal: could not open directory "pg_wal": No such file or directory
This is pretty much exactly what I'd expect. Why would you think
that pg_resetwal should work with other major versions?
(Maybe we should have it look at PG_VERSION and refuse to do anything
if that doesn't have the expected contents.)
regards, tom lane
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To: pgsql-hackers@postgresql.org
Cc: tgl@sss.pgh.pa.us, tushar.ahuja@enterprisedb.com
Subject: Re: pg_resetwal is broken if run from v10 against older version of PG data directory
In-Reply-To: <10763.1496072737@sss.pgh.pa.us>
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