Groups > comp.sys.ibm.pc.hardware.storage > #2383

Re: How to compare clone of a partition with source partition

From	Arno <me@privacy.net>
Newsgroups	comp.sys.ibm.pc.hardware.storage, alt.backup-software
Subject	Re: How to compare clone of a partition with source partition
Date	2012-01-15 13:39 +0000
Message-ID	<9ng38bFdnkU1@mid.individual.net> (permalink)
References	<55df29d9-c62e-4e21-bcf1-2d15d971e492@cf6g2000vbb.googlegroups.com>

Cross-posted to 2 groups.

Show all headers | View raw

In comp.sys.ibm.pc.hardware.storage AndyHancock <andymhancock@gmail.com> wrote:
> I just cloned two partitions from a resident HDD to an auxiliary
> Momentus XL HDD in an enclosure that is connected to the computer via
> eSATA.  Is there a way to compare each cloned partition with its
> original for integrity?  If this were just a file, I'd use a unix/
> cygwin utility like diff or cmp.  However, it is a partition.

If it is a bit-wise exact clone, cmp still works, but doing
md5sum or sha1sum on the whole partitions is faster.
On mimatch it tells you almost nothing though.

Or you can mount both, and do a file-tree comparison.
I do the following for that:

cd <dir1>; tar cf - .| (cd <dir2>; tar df -)

Arno


-- 
Arno Wagner, Dr. sc. techn., Dipl. Inform., CISSP -- Email: arno@wagner.name
GnuPG:  ID: 1E25338F  FP: 0C30 5782 9D93 F785 E79C  0296 797F 6B50 1E25 338F
----
Cuddly UI's are the manifestation of wishful thinking. -- Dylan Evans

Thread

How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-14 20:56 -0800
  Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-15 16:18 +1100
    Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-14 21:42 -0800
  Re: How to compare clone of a partition with source partition Arno <me@privacy.net> - 2012-01-15 13:39 +0000
    Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-15 11:43 -0800
      Re: How to compare clone of a partition with source partition Arno <me@privacy.net> - 2012-01-15 20:23 +0000
        Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-15 12:49 -0800
          Re: How to compare clone of a partition with source partition Arno <me@privacy.net> - 2012-01-16 01:18 +0000
            Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-15 20:52 -0800
              Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-16 21:49 -0800
                Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-17 19:50 +1100
                Re: How to compare clone of a partition with source partition Mark F <mark53916@gmail.com> - 2012-01-17 15:27 -0500
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-17 21:30 -0800
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-17 21:19 -0800
                Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-18 17:04 +1100
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-17 22:46 -0800
                Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-18 20:42 +1100
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-18 21:28 -0800
                Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-20 06:27 +1100
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-19 21:07 -0800
    Re: How to compare clone of a partition with source partition Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2012-01-17 04:00 -0500
      Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-17 21:33 -0800
        Re: How to compare clone of a partition with source partition Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2012-01-19 11:37 -0500
          Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-20 06:34 +1100
          Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-19 21:17 -0800
            Re: How to compare clone of a partition with source partition Yousuf Khan <bbbl67@spammenot.yahoo.com> - 2012-01-25 10:53 -0500
              Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-26 06:16 +1100
          Re: How to compare clone of a partition with source partition willbill <postonNG@postonNG.net> - 2012-01-20 12:52 -0600
            Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-21 08:49 +1100
              Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-22 21:29 -0800
                Re: How to compare clone of a partition with source partition "Rod Speed" <rod.speed.aaa@gmail.com> - 2012-01-24 05:32 +1100
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-24 17:54 -0800
                Re: How to compare clone of a partition with source partition willbill <postonNG@postonNG.net> - 2012-01-24 12:22 -0600
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-24 18:05 -0800
                Re: How to compare clone of a partition with source partition AndyHancock <andymhancock@gmail.com> - 2012-01-24 18:57 -0800

csiph-web