On Monday 28 November 2005 19:18, Ferdinando Pasqualetti wrote:
> Hi Kern,
> I should have thought that some practical problem was forcing to use read
> blocks. Maybe it is a silly idea, but do you think volumes could be matched
> with subdirs in disk storage and files inside them matched with files in
> tape volumes? I imagine this would be an enormous (and tedious) work, but I
> would like to know if this could be implemented.

For Bacula this would not be very practical, though I think that PCBackup uses 
a scheme like that.

>
> Thanks for your availability in our discussions, even if these are not
> always so useful.
>
> --------------------------------------------------------------------------
>  Ferdinando Pasqualetti
>  G.T.Dati srl
>  Tel. 0557310862 - 3356172731 - Fax 055720143
>
> [EMAIL PROTECTED] wrote on 28/11/2005 17.08.42:
>  > On Monday 28 November 2005 16:00, Ferdinando Pasqualetti wrote:
>  > > Hello list,
>  > >
>  > > sorry I sent the original message with a wrong sender address, it is
>  > > here anyway. Again I was impressed by the restore performance during a
>  > > massive restore. Trying to restore single files  it seemed to me that
>  > > positioning performance in disk files was less efficient than using
>  > > tapes. Doing "status storage=.." during the restore it seems that
>  > > positioning in the volume is done by subsequent readings of data
>  > > blocks, while on a tape this is done by skip-files and or skip blocks.
>  > > This could be kept unimportant using small volume size (I remember a
>  > > Kern advice about that), but I would like to keep disk volume sizes in
>  > > a 1:1 ratio with tape ones, in order to move them if necessary. I know
>  > > that on a disk file you cannot write EOF, as on tapes, and probably
>  > > disk media are considered tapes that cannot skip files or blocks, but
>  > > tapes anyway, so they cannot fseek, but a consideration about this
>  > > behavior I think should be done.
>  >
>  > I have worked on disk seeking several times, and each time, there is
>  > some silly regression test that failes.  So, I now await a time when I
>  > have nothing else to do (maybe in a few years) or for a patch the code
>  > is all implemented, it is just a matter of finding the *tiny* but
>  > important reason why it fails in some exceptional cases ...
>  >
>  > > Regards,
>  > >  
>  > > ----------------------------------------------------------------------
>  > >---- Ferdinando Pasqualetti
>  > >  G.T.Dati srl
>  > >  Tel. 0557310862 - 3356172731 - Fax 055720143
>  > >
>  > > [EMAIL PROTECTED] wrote on 28/11/2005 11.21.42:
>  > >  > Hello list,
>  > >  > this is to show the (for me) impressive throughput in restoring
>  > >  > files. Client and server are two HP Proliant G3 with 3 Gb RAM and
>  > >  > mirrored SCSI disks, connected with a gigabit link.
>  > >  > There is a problem in restoring one file (I think it is the last
>  > >  > one), which resulted truncated. I tried to repeat the restore for
>  > >  > that file only, but I got the same problem.
>  > >  > Happy backup and restore to everybody and many thanks to people
>  > >  > providing this exceptional tool.
>  > >  >
>  > >  >
>  > >  > 26-Nov 12:31 domino2: RestoreFiles.2005-11-26_11.00.27 Error:
>  > >  > attribs.c:339 File size of restored file
>  > >  > /uno/notesdata/ravarino/mmonesi.nsf not correct. Original
>  > >  > 1132986368, restored 715489280.
>  > >  > 26-Nov 12:31 bacula-sd: End of all volumes.
>  > >  > 26-Nov 12:31 bacula-dir: RestoreFiles.2005-11-26_11.00.27 Error:
>  > >  > Bacula 1.36.3 (22Apr05): 26-Nov-2005 12:31:04
>  > >  >  JobId:                  3060
>  > >  >  Job:                    RestoreFiles.2005-11-26_11.00.27
>  > >  >  Client:                 domino2
>  > >  >  Start time:             26-Nov-2005 11:00:29
>  > >  >  End time:               26-Nov-2005 12:31:04
>  > >  >  Files Expected:         8,510
>  > >  >  Files Restored:         8,510
>  > >  >  Bytes Restored:         255,108,659,471
>  > >  >  Rate:                   46938.1 KB/s
>  > >  >  FD Errors:              2
>  > >  >  FD termination status:  Error
>  > >  >  SD termination status:  OK
>  > >  >  Termination:            *** Restore Error ***
>  > >  >
>  > >  > Ferdinando Pasqualetti
>  > >  > ------------------------------------------------------- This SF.net
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>  > >  > _______________________________________________ Bacula-users
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>  >
>  > --
>  > Best regards,
>  >
>  > Kern
>  >
>  >   (">
>  >   /\
>  >   V_V
>  >
>  >
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-- 
Best regards,

Kern

  (">
  /\
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