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Re: consistency checks

To: Rick Meertens <rick@xxxxxxxx>
Subject: Re: consistency checks
From: Bill Kendall <wkendall@xxxxxxx>
Date: Wed, 25 Nov 2009 09:48:12 -0600
Cc: xfs@xxxxxxxxxxx
In-reply-to: <vmime.4b0c0e17.1df4.5b5ba8b45ea0c16c@xxxxxxxxxxxxx>
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Rick Meertens wrote:
Does the xfs backup tools contain any backup media consistency checks? I want to verify if the old backup on a tape is corrupt, with a checksum orso.

I have seen that the xfsdump inventory can be checked on consistency, but nothing found for the tapes

Not really -- unfortunately most of the structures and data written
by xfsdump are not checksummed.

The closest thing is to use xfrestore -t. This will read the entire
dump, listing all of the files it contains. So you'll at least know
whether or not there are unreadable blocks on the media, and whether
the structure of the dump is okay, but not whether your file data is
consistent.

Bill

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