On Thu, Mar 14, 2013 at 3:04 PM, Sergio Belkin <seb...@gmail.com> wrote:
> Hi folks,
>
> The performance is very poor, its around 6MB/s !!!
> The tape device is an IBM ULT3580-HH5
>
> Host: scsi3 Channel: 00 Id: 00 Lun: 00
> Vendor: IBM Model: ULT3580-HH5 Rev: BBN3
> Type: Sequential-Access ANSI SCSI revision: 06
>
> Bacula version is 5.2.13
>
> My sd daemon config:
>
> Storage { # definition of myself
> Name = clair.example.edu-sd
> SDPort = 9103 # Director's port
> WorkingDirectory = "/usr/local/opt/bacula/working"
> Pid Directory = "/var/run"
> Maximum Concurrent Jobs = 20
> }
> Director {
> Name = noc-dir
> Password = "something"
> }
> Director {
> Name = clair.example.edu-mon
> Password = "something"
> Monitor = yes
> }
> Device {
> Name = LTO5
> Media Type = LTO-4
> Archive Device = /dev/IBMtape0n
> AutomaticMount = yes; # when device opened, read it
> AlwaysOpen = yes;
> RemovableMedia = yes;
> RandomAccess = no;
> Maximum File Size = 200GB
> Alert Command = "sh -c 'smartctl -d scsi -H -l error /dev/sg6'"
> }
> Messages {
> Name = Standard
> director = clair.example.edu-dir = all
>
>
> Using netcat I've found that network speed is around 100 MB/s
>
> Could you help to find a solution?
You need to enable spooling and to run your jobs concurrently. Also
set the Maximum block size and Minimum block size. On top of that I
would not have set Maximum File Size = 200GB set that to a few GB or
leave that parameter alone.
John
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