It is unlikely that smaller volumes will be faster.  I don't see any evidence
that it depends on the position of the data.

How long did the backup of these file take to run?

External USB drives can be slow, especially if connected by USB 2.0.

__Martin


>>>>> On Mon, 28 Aug 2023 07:53:06 +0000, Lionel PLASSE said:
> 
> You're right, I say it was slow from my own apreciation. 
> The Volume file is 1 TB. And the restoration job  was 65 GB. 
> 
> And unfortunately, I don't have the exact timing for each steps , but I was 
> stuck in the "forwarding spacing " for half an hour before I stopped watching.
> 
> Elapsed time:           1 hour 16 mins 30 secs
>   Files Expected:         26
>   Files Restored:         26
>   Bytes Restored:         63,581,189,026 (63.58 GB)
>   Rate:                   13852.1 KB/s
>   FD Errors:              0
>   FD termination status:  OK
>   SD termination status:  OK
>   Termination:            Restore OK
> BUSTER_BKP-sd JobId 9784: Elapsed time=01:11:20, Transfer rate=14.85 M 
> Bytes/second
> BUSTER_BKP-sd JobId 9784: Forward spacing Volume "T1" to addr=249122650420
> 
> Ok, But in my memories this step o was much faster to perform ?
> 
> So, as I understand it, it depends on the position of the data in the restore 
> job in the volume. 
> Can it be faster if I use smaller but more numerous volumes (if a smaller 
> volume contains all the data of the restore job at once of course)
> 
> The overall Rate is good for me.
> 
> Thank for informations,
> 
> 
> -----Message d'origine-----
> De : Martin Simmons <mar...@lispworks.com> 
> Envoyé : vendredi 25 août 2023 18:05
> À : Lionel PLASSE <pla...@cofiem.fr>
> Cc : bacula-users@lists.sourceforge.net
> Objet : Re: [Bacula-users] Restore job forward space volume - usb file volume
> 
>>>>> On Thu, 24 Aug 2023 09:32:38 +0000, Lionel PLASSE said:
> > 
> > Hello,
> > 
> > For usb harddrive and file media volume,   when I do a restore job I get a 
> > long waiting  step : "Forward spacing Volume "T1" to addr=249122650420" 
> > I remember I managed to configure the storage resource to quickly restore 
> > sdd drives.
> > 
> > Should I use fastforward, blockpositionning and HardwareEndOfFile for USB 
> > disks and file volume?
> > How to avoid this long forwarding when not a tape device?
> 
> How do you know it is slow in the forwarding?  It might have done that 
> quickly and is slow in the next operation.
> 
> How much data are you restoring?
> 
> You can try using 'status storage' and 'status client' a few times in 
> bconsole to monitor the progress of the restore.
> 
> __Martin
> 


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