[time-nuts] Odetics 325 & 425: File recovery

Bruce Lane kyrrin at bluefeathertech.com
Fri Aug 22 09:56:58 EDT 2008


Hi, Didier,

	I absolutely agree, and Dave Slack has given me some good suggestions along those lines.

	Among them was an open-source product called 'rsync.' This is the link for it.

	http://samba.anu.edu.au/rsync/

	Happy tweaking.

*********** REPLY SEPARATOR  ***********

On 22-Aug-08 at 03:30 Didier Juges wrote:

>The problem nowadays is not the storage, it's the backup software.
>
>I have most of my important data in 4 places: two web sites, main 250 GB
>hard drive and external 500GB Western Digital USB Hard Drive (highly
>recommended). What I call "important data" is about 30 GB worth of stuff
>that is typically copied in all 4 places. The problem is keeping everything
>in sync. Syncing between two local resources (main hard drive and USB hard
>drive) is not too hard, considering the transfer speed that can be
>achieved,
>but mirroring the web resources is a pain, partly because of speed and
>partly because of OS differences in file name rules (Windows/Linux). I have
>not found the software I wanted (only looked at free/cheap stuff) so I am
>considering writing my own (Visual Basic).
>
>If anyone has suggestions for free/cheap commercial or FOS software to sync
>via ftp (Windows <-> Linux), I'll be glad to hear.
>
>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 12:46 AM
>> To: Discussion of precise time and frequency measurement
>> Subject: Re: [time-nuts] Odetics 325 & 425: File recovery
>> 
>> 
>> > 	I'm still picking up the pieces from a major FTP 
>> archive crash that 
>> > lost me a considerable amount of data.
>> 
>> Disks are cheap.
>> 
>> Many years ago, one of the guys I worked with pointed out to 
>> me/us that it was cheaper to buy more disks than it was to 
>> pay us at our normal sallary to figure out which bits should 
>> be saved.  You can do a lot of handwaving in that area, but 
>> that's the general idea.
>> 
>> My straw man for low cost backup is a USB disk.  I'm thinking 
>> of a real rotating disk rather than the typical flash "disk". 
>>  The key idea is that after you pull the cable, your system 
>> can't trash the bits.  That is neither software nor fat 
>> fingers will delete anything.  It isn't perfect, but it's 
>> close and simple.
>> 
>> 
>> Any interesting bits should be backed up multiple ways.   If 
>> any time-nuts 
>> have bits that aren't (well) backed up, please contact me off 
>> line so we can work out some way to add another backup copy 
>> to the system.
>> 
>> 
>> 
>> -- 
>> These are my opinions, not necessarily my employer's.  I hate spam.
>> 
>> 
>> 
>> 
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-=-=-=-=-=-=-=-=-=-=-=-
Bruce Lane, Owner & Head Hardware Heavy,
Blue Feather Technologies -- http://www.bluefeathertech.com
kyrrin (at) bluefeathertech do/t c=o=m
"Quid Malmborg in Plano..."




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