From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:44042 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751488AbdDMIOA (ORCPT ); Thu, 13 Apr 2017 04:14:00 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 9EFC581F07 for ; Thu, 13 Apr 2017 08:13:59 +0000 (UTC) From: Jan Tulak Subject: [PATCH 2/2] xfsprogs: update man for metadump about dirty log/obfuscation issue Date: Thu, 13 Apr 2017 10:13:54 +0200 Message-Id: <20170413081354.22170-3-jtulak@redhat.com> In-Reply-To: <20170413081354.22170-1-jtulak@redhat.com> References: <20170413081354.22170-1-jtulak@redhat.com> Sender: linux-xfs-owner@vger.kernel.org List-ID: List-Id: xfs To: linux-xfs@vger.kernel.org Cc: Jan Tulak This is something that should be documented, as it is not obvious to everyone. Signed-off-by: Jan Tulak --- man/man8/xfs_metadump.8 | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/man/man8/xfs_metadump.8 b/man/man8/xfs_metadump.8 index 3731d6a..1b40fb8 100644 --- a/man/man8/xfs_metadump.8 +++ b/man/man8/xfs_metadump.8 @@ -59,6 +59,12 @@ options where are not obfuscated. Names between 5 and 8 characters in length inclusively are partially obfuscated. .PP +Log recovery of an obfuscated metadata image can leak +unobfuscated metadata and/or cause image corruption. Please mount +the source filesystem to clean the log or disable obfuscation, if possible. +If you have to obfuscate an image with a dirty log, tell about it to whoever +you are sending the image to. +.PP .B xfs_metadump should not be used for any purposes other than for debugging and reporting filesystem problems. The most common usage scenario for this tool is when -- 2.1.4