how to check if the restored and original are the same

zhicheng wang wang_zc at yahoo.co.uk
Thu Apr 20 13:35:14 UTC 2006


thanks. this was what i was thinking. but we have tera
bytes of data.

even for testing, we need to test at least 200GB of
data. how do i do that using md5sum for millions of
files?

cheng

--- Harry Hoffman <hhoffman at ip-solutions.net> wrote:

> You're probably better doing a md5sum of all of the
> files and then
> diff'ing that.
> 
> This will you'll know if a file's content has
> changed instead of just
> whether the file is in both places.
> 
> Cheers,
> Harry
> 
> Lunt, Nick wrote:
> > 
> >> -----Original Message-----
> >> From: zhicheng wang [mailto:wang_zc at yahoo.co.uk]
> >> Sent: 20 April 2006 13:57
> >> To: redhat-list at redhat.com
> >> Subject: how to check if the restored and
> original are the same
> >>
> >>
> >> Dear all
> >>
> >> does anyone know how to verify if two directories
> are
> >> the same: 
> >>
> > 
> > Theres probably better methods but how about this
> > 
> > ls -lR /dir1 > /tmp/dir1.out
> > ls -lR /dir2 > /tmp/dir2.out
> > diff /tmp/dir1.out /tmp/dir2.out
> > 
> > 
> > Wesleyan Administration Services Ltd registered
> number 5188850 and Wesleyan Unit Trust Managers Ltd
> registered number 2114859 ("WUTM Ltd") are wholly
> owned subsidiary companies of Wesleyan Assurance
> Society, whose registered number is ZC145. WUTM Ltd
> is a member of IMA. For ISA/PEP/Unit Trusts
> Administration Centre: PO Box 9033, Chelmsford, SM99
> 2WQ Telephone: 0870 601 6129 Wesleyan Assurance
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> -- 
> Harry Hoffman
> Integrated Portable Solutions, LLC
> 877.846.5927 ext 1000
> http://www.ip-solutions.net/
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