[time-nuts] file synchronization via ftp

[Robert Vassar]

You can get rsync to run on Windows under Cygwin.  This may help:   
http://optics.ph.unimelb.edu.au/help/rsync/rsync_pc1.html


The heavy weight option might be to go to www.virtualbox.org,  
download the free version, and run a virtualized Linux instance in a  
container on your windows machine and rsync from there. (Disclaimer:  
I work for their parent company.)


Another solution would be to run the Linux equivalent of "ufsdump",  
and download the delta.  Something like "ssh root at foo 'ufsdump [0-9] - 
f - <device>' >local.dumpfile" or something similar.  Try "man -k dump".


Rob
KC6OOM/5


On Aug 22, 2008, at 9:24 PM, Didier Juges wrote:

> This is for my manuals. The primary storage is the web site, the  
> local hard
> drive is the main backup and working copy, and I have a second  
> backup on a
> USB drive. I want the same content at all 3 places. I also have a  
> second
> backup web site, but I assume this one will just be a slave,  
> updated when
> convenient.
>
> I am aware that at the moment I have a number of files that have  
> slightly
> different names between the web site and the local hard drive (spaces
> replaced with underscores, filenames prefixed with manufacturer's  
> name and
> such). I realize I will have to clean those by hand. I already have  
> a tool
> running on the PC that does the bulk of that for me.
>
> I intend to identify duplicates by sorting all files (local and  
> ftp) by
> size. The files of same size will be listed next to each other. The  
> full
> path will tell me which is which, hopefully the names should not be so
> different that I could tell the duplicates, and if the name needs  
> to be
> updated.
>
> Typically I don't delete anything, but I sometimes move things around.
> Hopefully when this is fully stabilized, there won't be much  
> moving, I will
> upload new manuals directly where I want them.
>
> I cannot just copy 25 GB of stuff via ftp just to see if anything has
> changed.
>
> My main concern at the moment is to make sure I don't accidentally  
> delete a
> file that would be only at one place.
>
> Hopefully, as my personal situation is finally stabilizing, I  
> should be able
> to dedicate more time to this in the near future. Unfortunately, I  
> have
> accumulated a bit of backlog lately (hi Abdul :-)
>
> I should develop a procedure, then make sure I have the tools to  
> support it,
> and then it should be easy :-)
>
> Didier KO4BB
>
>> -----Original Message-----
>> From: time-nuts-bounces at febo.com
>> [mailto:time-nuts-bounces at febo.com] On Behalf Of Hal Murray
>> Sent: Friday, August 22, 2008 9:08 PM
>> To: Discussion of precise time and frequency measurement
>> Subject: Re: [time-nuts] file synchronization via ftp
>>
>>> I would just match filenames and filesize, time stamps
>> don't mean anything.
>>
>> That won't catch a lot of edits that fix simple things like typos.
>>
>> Or the edit I just made that changed a parameter from 4 to 8.
>>
>>
>> Are you trying to use the web site as serious backup storage,
>> or just keep a (small) set of files out there where others
>> can get them?
>>
>> If I was trying to keep a mirror on a web site up to date,
>> I'd write a script to copy everything out there and run it
>> whenever I added or updated something.
>>
>> That's assuming that you don't delete things.  For deletes,
>> I'd probably do them by hand until I had done enough of them
>> to get annoyed and/or figure out what I wanted to do.
>>
>>
>>
>>
>> --
>> These are my opinions, not necessarily my employer's.  I hate spam.
>>
>>
>>
>>
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>
>
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