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Date: Tue, 12 Dec 2017 06:33:32 +0000 (UTC)
From: preeti soni <preeti_soni123@yahoo.com>
To: <pgsql-admin@lists.postgresql.org>
Message-ID: <1327412372.3442819.1513060412183@mail.yahoo.com>
Subject: Missing files in pg_xlog, pg_subtrans and pg_clog directories
 during file system based backup
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Hi,
While performing file system based backup, after running pg_start_backup, we create a list of files in data directory called collect file.Then backup the files listed in collect file.
This is approximately 35TB database. Very frequently we are noticing there are failed files in pg_xlog, pg_subtrans and pg_clog directory. It means, the files were present when list of files is created (Collect file). However, it is not there while backing up.
Is the backup valid with these failed files. Any suggestion would help us.

Thanks in advance!!
Regards,Preeti

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s=3D"ydpa8558b14msg-body ydpa8558b14P_wpofO ydpa8558b14iy_A" data-test-id=
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MGW ydpa8558b14N_6Fd5"><div id=3D"ydpa8558b14yiv6548662079"><div style=3D"f=
ont-family: verdana, helvetica, sans-serif;"><div>Hi,</div><div><br></div><=
div>While performing file system based backup, after running pg_start_backu=
p, we create a list of files in data directory called collect file.</div><d=
iv>Then backup the files listed in collect file.</div><div><br></div><div>T=
his is approximately 35TB database. Very frequently we are noticing there a=
re failed files in pg_xlog, pg_subtrans and pg_clog directory. It means, th=
e files were present when list of files is created (Collect file). However,=
 it is not there while backing up.</div><div><br></div><div>Is the backup v=
alid with these failed files. Any suggestion would help us.<br></div><div><=
br></div><div>Thanks in advance!!</div><div><br></div><div>Regards,</div><d=
iv>Preeti</div></div></div></div></div><div class=3D"ydpa8558b14jb_0 ydpa85=
58b14X_6MGW ydpa8558b14N_6Fd5"></div></div><div class=3D"ydpa8558b14H_7jIs =
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