Message-ID: <705876869cf3692a7a89e097195b4e502e3348da.camel@cybertec.at>
Subject: Re: Logical replication type- WAL recovery fails and changes the
 size of wal segment in archivedir
From: Laurenz Albe <laurenz.albe@cybertec.at>
To: Meera Nair <mnair@commvault.com>, "pgsql-general@lists.postgresql.org"
	 <pgsql-general@lists.postgresql.org>
Cc: Punit Pranesh Koujalgi <pkoujalgi@commvault.com>, B Ganesh Kishan
	 <bkishan@commvault.com>
Date: Wed, 05 Jun 2024 12:26:03 +0200
In-Reply-To: <SJ1PR19MB6162FA7FE28CBA7C952147FBBAF92@SJ1PR19MB6162.namprd19.prod.outlook.com>
References: 
	<SJ1PR19MB6162FA7FE28CBA7C952147FBBAF92@SJ1PR19MB6162.namprd19.prod.outlook.com>
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On Wed, 2024-06-05 at 06:36 +0000, Meera Nair wrote:
> 2024-06-05 11:41:32.369 IST [54369] LOG:=C2=A0 restored log file "0000000=
5000000010000006A" from archive
> 2024-06-05 11:41:33.112 IST [54369] LOG:=C2=A0 restored log file "0000000=
5000000010000006B" from archive
> cp: cannot stat =E2=80=98/home/pgsql/wmaster/00000005000000010000006C=E2=
=80=99: No such file or directory
> 2024-06-05 11:41:33.167 IST [54369] LOG:=C2=A0 redo done at 1/6B000100=C2=
=A0=C2=A0=C2=A0
> 2024-06-05 11:41:33.172 IST [54369] FATAL:=C2=A0 archive file "0000000500=
0000010000006B" has wrong size: 0 instead of 16777216
> 2024-06-05 11:41:33.173 IST [54367] LOG:=C2=A0 startup process (PID 54369=
) exited with exit code 1
> 2024-06-05 11:41:33.173 IST [54367] LOG:=C2=A0 terminating any other acti=
ve server processes
> 2024-06-05 11:41:33.174 IST [54375] FATAL:=C2=A0 archive command was term=
inated by signal 3: Quit
> 2024-06-05 11:41:33.174 IST [54375] DETAIL:=C2=A0 The failed archive comm=
and was: cp pg_wal/00000005000000010000006B /home/pgsql/wmaster/00000005000=
000010000006B
> 2024-06-05 11:41:33.175 IST [54367] LOG:=C2=A0 archiver process (PID 5437=
5) exited with exit code 1
> 2024-06-05 11:41:33.177 IST [54367] LOG:=C2=A0 database system is shut do=
wn
> =C2=A0
> Here =E2=80=98/home/pgsql/wmaster=E2=80=99 is my archivedir (the folder w=
here WAL segments are restored from)
> =C2=A0
> Before attempting start, size of=20
> 00000005000000010000006B file was 16 MB.
> After failing to detect 00000005000000010000006C, there is a FATAL error =
saying wrong size for 00000005000000010000006B
> Now the size of 00000005000000010000006B is observed as 2 MB. Size of all=
 other WAL segments remain 16 MB.
> =C2=A0
> -rw------- 1 postgres postgres=C2=A0 2359296 Jun=C2=A0 5 11:34 0000000500=
0000010000006B

That looks like you have "archive_mode =3D always", and "archive_command" w=
rites
back to the archive.  Don't do that.

Yours,
Laurenz Albe