Re: [Bacula-users] Copy Volume (disk) for the tape.

Hello Leandro,

Since you have two drives, you can have two jobs writing at the same time, each one writing to one volume in one of your drives. You can also have jobs writing at the same volume/drive, if you configure data spool for the jobs. In this case, only one job will be writing to the tape at a specific time, but others will be writing to the spool area. Once data in the spool area becomes ready, for a job, they are moved to tape. This will cause data interleaving in your tape volumes and could cause slower restores.

From your post, it seems you have two jobs running concurrently in your two drives.

Best regards,

Ana

On Tue, Aug 4, 2015 at 1:19 PM, Leandro César <leandro.cesar.dias AT gmail DOT com> wrote:

I need to make a copy of certain Pools (disk) for the tape.

Some information:

Pool to be copied:
Pool {
Name = Semanal
Pool Type = Backup
Recycle = yes
AutoPrune = yes
Volume Use Duration = 77 hours
Volume Retention = 10 days
Storage = Disco-Semanal
Label Format = "Semanal-${NumVols}"
Next Pool = Copia-Semanal
}

Pool destination:

Pool {
Name = Copia-Semanal
Pool Type = Backup
AutoPrune = yes
Volume Use Duration = 5 days
Volume Retention = 10 days
Recycle = yes
Cleaning Prefix = "CLN"
Storage = Autochanger
}

Job copy:

Job {
Name = "Copia Semanal"
JobDefs = "jobdefs_default"
Client = "xxxxx.com.br"
FileSet="xxxxx_files"
Schedule = "copia-semanal_schedule"
Type = Copy
Pool = Semanal
Storage = Disco-Semanal
Selection Type = PoolUncopiedJobs
Priority = 10
}

Schedule {
Name = "copia-semanal_schedule"
Run = Level=Full Pool=Semanal NextPool=Copia-Semanal Storage=Autochanger mon at 20:00
}

Running manually (bconsole, run) the following options are listed:

Run Copy job
JobName: Copia Semanal
Bootstrap: *None*
Client: xxxxx.com.br
FileSet: xxxxx_files
Pool: Semanal (From Job resource)
NextPool: Copia-Semanal (From Job Pool's NextPool resource)
Read Storage: Disco-Semanal (From Pool resource)
Write Storage: Autochanger (From Job Pool's NextPool resource)
JobId: *None*
When: 2015-08-03 21:16:41
Catalog: MyCatalog
Priority: 10

I can run the copy, but only one Job at a time:

* status dir

Running Jobs:
Console connected at 03-Aug-15 21:16
JobId Type Level Files Bytes Name Status
======================================================================
4777 Copy Full 0 0 Copia Semanal is waiting execution
4778 Copy Full 0 0 Copia Semanal is running
4779 Back Full 0 0 ddddd_files is running
4780 Copy Full 0 0 Copia Semanal is waiting on Storage "Disco-Semanal"
4781 Back Full 0 0 aaaa_files is waiting on Storage "Autochanger"
4782 Copy Full 0 0 Copia Semanal is waiting on Storage "Disco-Semanal"
4783 Back Full 0 0 bbbb_files is waiting on Storage "Autochanger"
4784 Copy Full 0 0 Copia Semanal is waiting on Storage "Disco-Semanal"
4785 Back Full 0 0 cccc_files is waiting on Storage "Autochanger"
4786 Copy Full 0 0 Copia Semanal is waiting on Storage "Disco-Semanal"
4787 Back Full 0 0 dddd_files is waiting on Storage "Autochanger"
4788 Copy Full 0 0 Copia Semanal is waiting on Storage "Disco-Semanal"
4789 Back Full 0 0 eeee_files is waiting on Storage "Autochanger"
4790 Copy Full 0 0 Copia Semanal is waiting on Storage "Disco-Semanal"
4791 Back Full 0 0 ffff_files is waiting on Storage "Autochanger"

how to run simultaneous Jobs in this case?

Device and Storage settings:

Autochanger {
Name = Autochanger
Device = Drive-1, Drive-2
Changer Command = "/etc/bacula/scripts/mtx-changer %c %o %S %a %d"
Changer Device = /dev/sg5
}

Device {
Name = Drive-1
Drive Index = 0
Media Type = LTO5
Archive Device = /dev/st1
AutomaticMount = yes; # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
Maximum Concurrent Jobs = 50
# Alert Command = "sh -c 'smartctl -H -l error %c'"
}

Device {
Name = Drive-2
Drive Index = 1
Media Type = LTO5
Archive Device = /dev/st0
AutomaticMount = yes; # when device opened, read it
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
AutoChanger = yes
Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
Maximum Concurrent Jobs = 50
# Alert Command = "sh -c 'smartctl -H -l error %c'"

Storage {
Name = "Autochanger"
Address = xxxx.com.br # N.B. Use a fully qualified name here
SDPort = 9103
Password = "Lnouwl2LIZ2/alZpV2bVFhs6ZqOWn9/vr7zHmX7AMCil" # password for Storage daemon
Device = "Autochanger" # must be same as Device in Storage daemon
Media Type = LTO5 # must be same as MediaType in Storage daemon
Autochanger = yes # enable for autochanger device
Maximum Concurrent Jobs = 100
}

--
--
Att,
Leandro César

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