On 24 Feb 2008, at 19:46, Christopher Copeland wrote:
On 24 Feb 2008, at 06:06, Stroller wrote:
So my question is:
Is there any way to check the integrity of copied directories, to
be sure that none of the files or sub-directories in them have
become damaged during transfer? I'm thinking of something like
md5sum for directories.
I use rsync for this and would suggest you look into it. You can
tell it to compare files based on checksum (which is slower) and
the real beauty is that if there is a file that is corrupt or
otherwise not the same as the source it will copy just that single
file to your backup disk. Test it by deleting a random file
somewhere in the backup tree.. rerun your rsync command and the
file is copied back.
man rsync
Thanks. I think this has been suggested before for my backups - IIRC
it has a useful --ignore-path or --exclude-path command which can
insure you all the users' Documents & Settings, without the useless
temp & "Temporary Internet Files".
I've just tried `rsync- vrchi` on a pair of subdirectories ("My
Documents") of the backup I made last week and on those it seems run
in acceptable time. I got little output, however, so have deleted a
couple of files from the destination (I should perhaps write some
random data to another) and am running it again in anticipation of
some "copying /a/b/c/file /x/y/z/file" output.
I appreciate your help,
Stroller.
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