[Bacula-users] IBM 3573-TL, LTO5, speed

Hi,

I'm with Debian/Squeez and Bacula 5.0.2.
I use the tape library TS3100 with a IBM 3573-TL.

Questions:
1) mount a tape to the drive 2
2) speed up the backup with LTO5

1)
And i've got 2 drives.
A drive 1 is mounted with a tape e.g. LT00X.
And i'd like to use the drive 2. So i've mounted it with a tape : LT00Y.
Then, the drive 2 is loaded with the tape - LT00Y-, but it is said that drive is mounted with the tape LT00X !

*mount drive=1 storage=Drive-2 slot=9
3301 Issuing autochanger "loaded? drive 1" command.
3302 Autochanger "loaded? drive 1", result: nothing loaded.
3304 Issuing autochanger "load slot 9, drive 1" command.
3305 Autochanger "load slot 9, drive 1", status is OK.
3902 Cannot mount Volume on Storage Device "Drive-2" (/dev/nst1) because:
label.c:239 Could not reserve volume LT1002L5 on "Drive-2" (/dev/nst1)
3001 Device "Drive-2" (/dev/nst1) is already mounted with Volume "LT1002L5"

Device "Drive-1" (/dev/nst0) is mounted with:
    Volume:      LT1002L5
    Pool:        *unknown*
    Media type: LTO-5
    Slot 2 is loaded in drive 0.
    Total Bytes=96,637,943,808 Blocks=1,497,983 Bytes/block=64,512
    Positioned at File=8 Block=9,896
Device "Drive-2" (/dev/nst1) is mounted with:
    Volume:      LT1002L5
    Pool:        *unknown*
    Media type: LTO-5
    Slot 9 is loaded in drive 1.
    Total Bytes Read=64,512 Blocks Read=1 Bytes/block=64,512
    Positioned at File=0 Block=0

The drive 2 should have mounted with LT00Y but not LT00X !
Could someone explain me about this behaviour, please ?

Here's my bacula-sd.conf

Autochanger {
Name = Autochanger
Device = Drive-1
Device = Drive-2
Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"
Changer Device = /dev/sg3
}

Device {
Name = Drive-1                      #
Drive Index = 0
Media Type = LTO-5                            # Library 3573-TL
Archive Device = /dev/nst0
AutomaticMount = yes;               # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Maximum File Size = 12GB
Spool Directory = "/data/spool"
Maximum Spool Size = 100gb
Maximum Job Spool Size = 60gb
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
}

Device {
Name = Drive-2                      #
Drive Index = 1
Media Type = LTO-5                    # Library 3573-TL
Archive Device = /dev/nst1
AutomaticMount = yes;               # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Maximum File Size = 12GB
Spool Directory = "/data/spool"
Maximum Spool Size = 100gb
Maximum Job Spool Size = 60gb
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
}

2) The speed of my backup is not very fast:
Rate: 43362.5 KB/s
I'd like to have some feedback about the LTO5 and the speed that could be reached...
In my bacula-dir, i do not use the "Spool data" option.

Thank you in advance for your help.

Peace !

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