Skip site navigation (1)Skip section navigation (2)
Date:      Tue, 6 Feb 1996 20:36:50 -0800 (PST)
From:      invalid opcode <coredump@nervosa.com>
To:        Frank Durda IV <uhclem@nemesis.lonestar.org>
Cc:        hackers@freebsd.org, current@freebsd.org
Subject:   Re: sup%d is broken - I agree 
Message-ID:  <Pine.BSF.3.91.960206203402.3773B-100000@nervosa.com>
In-Reply-To: <m0tjzAx-000CCzC@nemesis.lonestar.org>

next in thread | previous in thread | raw e-mail | index | archive | help
I agree, a method of checksums (filesize, crc, etc.) should be used in 
order to find the latest copy. I thought sup already did this? Or does it 
only check dates?

Chris Layne,
coredump@nervosa.com.


> As I understand sup, it doesn't look for changes the instant you pull
> stuff down, but does a scan at regular intervals.  If that is true,
> read on.
> 
> I remember a tool that would cut a snapshot of a directory structure and
> a file of checksums that could be used to make sure the tree is intact.
> (It may have been an alias for a "find | sum" combination, I don't recall.)
> 
> Why not have some other app generate a sanity file just prior to sup
> synchronizing itself?  The file would contain the "correct" tree
> structure, along with checksums of the files.  Then the file would be
> available to both the mirrors (and mortals), would get sup'ed down as
> any other file, and could be used for detecting incomplete, corrupted,
> absent and extra files in their local trees by running a similar
> scan locally.
> 
> 
> Frank Durda IV <uhclem@nemesis.lonestar.org>|"The Knights who say "LETNi"
> or uhclem%nemesis@rwsystr.nkn.net           | demand...  A SEGMENT REGISTER!!!"
> 	  ^------(this is the fastest route)|"A what?"
> or ...letni!rwsys!nemesis!uhclem	    |"LETNi! LETNi! LETNi!"  - 1983
> 



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?Pine.BSF.3.91.960206203402.3773B-100000>