How to rsync to an external HDD with TCP/IP ?

SYNass IT Ubuntu / Linux i-ubux at synass.net
Thu Jun 19 07:58:56 UTC 2008


Hi John, 
Thanks for your feedback with concerns and and suggestions !

 
On Wed, 2008-06-18 at 16:25 -0400, John DeCarlo wrote:
> On Tue, Jun 17, 2008 at 1:38 AM, SYNass IT Ubuntu / Linux
> <i-ubux at synass.net> wrote:
>         Unfortunately it's too late to try your suggestions since I
>         had / have
>         to erase the whole external HDD because it wants FAT32 to be
>         recognized
>         via TCP/IP !? ;-(
> 
> This sounds helpful, I think.  Both ftp and samba run over TCP/IP.
> Isn't that what you want?

Without experience in this field I am trying to get along with my 2,
technically identical, 
external HDD units: one permanently connected per TCP/IP to the
WL-AP-Modem-Router 
and the other connected per USB whenever / wherever needed !

Yes, both units support FTP & Samba and the unit itselves format the
HDD's FAT32 only !!

Connected with USB I am able to format anything else and my intention
was:
one partition as ext3 for the Ubuntu part and the second partition as
ntfs for WinXPP part !!!

>         
>         Yesterday I tried a rsync from source (ext3) to target (fat32)
>         with
>         horrible differences !!!
>         The IT folder has lost about 50% of items and about 20% of
>         GB's !! ;-((
>         
>         Inacceptable !!! ;-|
> 
> It is hard to tell without details if this is what you want or not.

You are correct:
I am experimenting to learn and find a solution how to use these units
best and 
on the other hand I want to find out / know how they work while
connected either or !!

An earlier rsync from ext3 to ext3 gave quite good results with only a
single item/file difference. 
> 

> 1.  FAT32 can not store all your file permissions, since it doesn't
> have the equivalent of  "rwx" for user:group:all
> 
> 2.  FAT32 has a smaller maximum file size (2GB?), so large files from
> your ext3 will not be able to be stored on FAT32.
> 
> There are ways to backup files to a FAT32 files system and get around
> these issues (for example, one way is to use tar and split into <2GB
> files).

Thanks for your hint how to solve this with FAT32 !
Generally I try to avoid the FS mixmatch !!
See above about my 2 partition setup: ext3 for ext3 and ntfs for
WinXPP. ;-)

FAT32 only came into game because the units itselves cannot do anything
else !!!
So I will forget this ;-D


>         With these units It seems that I have to get along connected
>         with USB !?
> 
> USB won't make any difference as compared to TCP/IP.  It just means
> you have to have it connected directly to your computer.  You still
> have to worry about the file system (FAT32, etc.)

On a better time I may do another retry with formatting the LD141 with
ext3 to 
act as a permanently attached Backup Tank with rsync / Duplicity
incrementals !?

>         
>         Currently quite frustrated and tired of these unsuccessful
>         results. ;-p
> 
> It sounds like you don't really know what you want or how to do it or
> how the technology affects it.  This does make for frustration.

Again and as admitted  earlier already: I am not an expert nor an
experienced techie !
I just try to find an easy solution to get these 2 units working as
intended !!
Without experience and personal support here at jungle border I have to 
learn to knit it on my own !! ;-D


>         Any further assistance and suggestions are very
>         appreciated. ;-)
>         
>         Cheers, svobi
> 
> Step back and figure out what exactly you want to use this drive for,
> and we can suggest the best approach.

As a retired IT fossil I know what I want !!! :-)
As a non techie I do not have experience here in this field !! ;-)
As a Linux greenhorn / newbie I am once more in new fields ! ;-))
>   
> 
> For example, one advantage of having it connected via TCP/IP is that
> Windows and Linux can access it the same way - via ftp or SMB/samba. 

Of course I do know this !!! ;-)
I only do not know how to get it done with either FTP or Samba setup
properly !! ;-))
The idea of this TCP/IP connected unit was to replace the old noisy
tower system with 
removable HDD drawers !!! ;-D


> If you want to backup files so they can be restored exactly the way
> they were,  you probably want to store them in a way that keeps all
> that information, such as a tar file or a backup program format.

Yes, the idea was: 
All commonly used data on that removable HDD drawer to have stored
family-networkwide 
plus to act as a permanently accessable Backup Unit !


Last but not least:
English isn't my native language and so I may be too longwinded: Sorry !

 
> John DeCarlo, My Views Are My Own

Once more, John, thanks for your extensive and appreciated efforts !
Yes, my views are My Own too ;-))

Cheers, svobi





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