alexander AT nautae.eti DOT br wrote:
>> I can only subscribe to John comment & recommandation.
>> You certainly would have a better experience with pool on disk even on
>> removable usb disk
>> There's not so expensive this days.
> 
> Ok, I gave up of doing DVD writing by Bacula.
> 
> I'll use disk volumes and burn the DVD after that.
> 
> I'm not confident about using removable usb disk because it's not a safe
> made media. Of course DVD too, but I think DVDs are more reliable than
> usb disk, there isn't electricity to read the data.
> 
> What do you think?
> 
> If you don't have a tape device and need something reliable, what
> solution would you use?
> 
> []'s
> Alexander
> Brazil - Rio de Janeiro
> 

Over the past 5 years I'm using removable media in fact it's normal disk 
plugged into a usb adpater which support 2'5 and 3'5
disk. I've a pata version and now a sata.

You're right on the reliable facts. My process include a double format with 
ext3 (for the moment) with check bad sectors.
After that at minimal there's a read test on the media twice a years.

For archival process, I'm in the way of constant migration (that's would said 
I'm migrating the data from media to other media)
cd or dvd if written at high-speed have tendancy to become unreadable or loose 
some bits of data after 5 to 10 years.

So my backups/archival data are moving (started long time ago with TR-4 travan 
tapes to dds 3 & 4, to disks)
To my opinion (and my volume of data for an overall +- 4TB ) disks are the most 
simple/cheaper pro GB : there's no need to have
another mechanical systems to get my data. I have to observe when I need to 
move from one tech to another ( pata -> sata for
example )
It take less place in the safe at the bank.

Oh there's another point, I always keep the data on a second drive ( different 
manuf. ) at another location too.

The choice of technology are very subject to change. I know that some of bacula 
users have to use library due to the volume of
data they need to save. But if you firstly thing about DVD I don't thing you 
have such needs ;-)



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