Adam,


 Take a look at the directive "Prefer Open Volumes". I had to set this
to No

to get concurrent jobs to run on 2 tape drives.



The only other significant difference that I see is that I have
AutoSelect

set to 'yes' in my config under the Device entry in the SD config file.



Alan Davis



>Hello,

>

>I have set up a bacula installation with a Dell 132T autochanger
(/dev/sg2).

>It has two LOT3 drives, /dev/nst0 and /dev/nst1.

>Both drives works fine with the mtx-changer script. Currently backup
are done but only used drive 0. I would like to run jobs on both drive 0
and 1, however when I start two jobs at the same, the first one starts
and the second one starts two but wait for drive 0 to become free before
writing.

>Could you help me to get the second jobs, loads a tape in drive 1 and
starts writing on drive 1, while drive 0 is used ?

>

>Thanks in advance.

>

>PS: See some parts of my config below!

>

>

>

>Here is my storage daemon conf :

>

>Storage {                             # definition of myself

>  Name = srv-mpp-lrs-sd

>  SDPort = 9103                  # Director's port

>  WorkingDirectory = "/var/lib/bacula"

>  Pid Directory = "/var/run/bacula"

>  Maximum Concurrent Jobs = 2

>  SDAddress = 0.0.0.0

>}

>Director {

>  Name = srv-mpp-lrs-dir

>  Password = "xxx"

>}

>Director {

>  Name = srv-mpp-lrs-mon

>  Password = "xxx"

>  Monitor = yes

>}

># An autochanger device with two drives

>Autochanger {

>  Name = Dell-PV132T

>  Device = ULTRIUM-TD3-1

>  Device = ULTRIUM-TD3-2

>  Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"

>  Changer Device = /dev/sg2

>}

>Device {

>  Name = ULTRIUM-TD3-1

>  Drive Index = 0

>  Media Type = LTO3

>  Archive Device = /dev/nst0

>  AutomaticMount = yes;               # when device opened, read it

>  AlwaysOpen = yes;

>  RemovableMedia = yes;

>  #RandomAccess = no;

>  AutoChanger = yes

>  # Enable the Alert command only if you have the mtx package loaded

>  # Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"

>}

>Device {

>  Name = ULTRIUM-TD3-2

>  Drive Index = 1

>  Media Type = LTO3

>  Archive Device = /dev/nst1

>  AutomaticMount = yes;               # when device opened, read it

>  AlwaysOpen = yes;

>  RemovableMedia = yes;

>  #RandomAccess = no;

>  AutoChanger = yes

>  # Enable the Alert command only if you have the mtx package loaded

>  # Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"

>}

>Messages {

>  Name = Standard

>  director = srv-mpp-lrs-dir = all

>}

>

>

>

>And some usefull parts of director conf :

>

>Director {                            # define myself

>  Name = srv-mpp-lrs-dir

>  DIRport = 9101                # where we listen for UA connections

>  QueryFile = "/etc/bacula/scripts/query.sql"

>  WorkingDirectory = "/var/lib/bacula"

>  PidDirectory = "/var/run/bacula"

>  Password = "xxx"         # Console password

>  Messages = Daemon

>  DirAddress = 0.0.0.0

>  Maximum Concurrent Jobs = 2

>}

># Templates pour les jobs

>JobDefs {

>  Name = "DefaultJob"

>  Type = Backup

>  Storage = Autochanger

>  Messages = Standard

>  Client = srv-mpp-lrs-fd

>  FileSet = "Full Set"

>  Priority = 5

>  # Do not wait more than 6days (next weekly)

>  Max Start Delay = 6d

>  Max Wait Time = 6d

>  # Do not wait more than 23h (next daily)

>  Incremental Max Wait Time = 23h

>  Schedule = "Planning"

>  Pool = Weekly, Daily

>}

># Autochanger Dell PV132T (21x LTO3)

>Storage {

>  Name = Autochanger

>  Address = srv-mpp-lrs

>  SDPort = 9103

>  Password = "xxx"

>  Device = Dell-PV132T               # must be same as Device in
Storage

>daemon

>  Media Type = LTO3                  # must be same as MediaType in

>Storage daemon

>  Autochanger = yes                  # enable for autochanger device

>  Maximum Concurrent Jobs = 2

>}

>

>

>--

>Adam CECILE                    Linbox / Free&ALter Soft

>152 rue de Grigy               t?l: +33 3 87 50 87 95

>Technop?le Metz 2000           fax: +33 3 87 75 19 26

>57070 METZ - France            http://www.linbox.com



----

Alan Davis

Senior Architect

Ruckus Network, Inc.

703.464.6578 (o)

410.365.7175 (m)

[EMAIL PROTECTED]

alancdavis AIM





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