[NTLUG:Discuss] backing up in linux....

[Clay Ramsey]

Gents - I have just now seen this (long time list lurker) thread.  While 
this looks like a local backup scenario, I'd like to let you know my 
company does offsite (over the www) Linux backups on RH and SuSE hosts, 
but any distro remotely via SSH and bash.

*IF* you'd like more details, email me offlist (so as to keep this from 
being spam)

Clay


Eric Waguespack wrote:
> the problem with this is, a)  i want to be able to easily see what is
> on volume # $RANDOM, and I do not want to have a situation where if I
> lose volume 1 I am s.o.l.
>
> On 9/15/06, Robert Pearson <e2eiod at gmail.com> wrote:
>   
>> On 9/15/06, Chris Cox <cjcox at acm.org> wrote:
>>     
>>> Eric Waguespack wrote:
>>>       
>>>> thanks for all of the advise... but nothing suggested is really what I
>>>> was looking for.
>>>>
>>>> maybe I'll submit an enhancement request:
>>>>
>>>> man cp
>>>> ..
>>>> --pause-and-ask-user-for-another-destination-if-target-device-is-full
>>>> ..
>>>>         
>>> GNU tar will do this... take a look at the man page.
>>>
>>> You can call a script when you reach end of medium and do
>>> whatever you want.
>>>       
>> This is not a trivial problem.
>> What you may be looking for is "multi-volume" capability.
>> The key phrase is "multi-volume".
>> Anything that wrote to tape in a serious fashion, backups are serious,
>> will do multi-volume to most media. You would need to check with the
>> product vendor to see if it has been tested with USB thumb drives.
>>
>> The challenge here is not in the software but whether the USB thumb
>> drives report, or signal, being "full" in a way that the multi-volume
>> software can get the signal. The early 8 mm cartridge tapes did not
>> have an EOT (end of tape) sensor, so no EOT signal came from the
>> drive. You had to calculate bytes written and tape used.
>>
>> Floppies had the same problem. How does the floppy tell you it is full?
>> I can remember sitting there with a handful of floppies wanting for the
>> screen to tell me to insert the next one.
>> I think I was using the Norton System software.
>>
>> GNU tar options from "info tar":
>>
>> `--multi-volume'
>> `-M'
>>      Informs `tar' that it should create or otherwise operate on a
>>      multi-volume `tar' archive.
>>
>> `--new-volume-script'
>>      (see -info-script)
>>
>> `--info-script=SCRIPT-FILE'
>> `--new-volume-script=SCRIPT-FILE'
>> `-F SCRIPT-FILE'
>>      When `tar' is performing multi-tape backups, SCRIPT-FILE is run at
>>      the end of each tape.  If SCRIPT-FILE exits with nonzero status,
>>      `tar' fails immediately.
>>
>> _______________________________________________
>> http://www.ntlug.org/mailman/listinfo/discuss
>>
>>     
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