Bacula-users

[Bacula-users] LTO5 performance

2013-03-14 15:09:17
Subject: [Bacula-users] LTO5 performance
From: Sergio Belkin <sebelk AT gmail DOT com>
To: bacula-users <bacula-users AT lists.sourceforge DOT net>
Date: Thu, 14 Mar 2013 16:04:38 -0300
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?

Thanks in advance!
--
--
Sergio Belkin  http://www.sergiobelkin.com
Watch More TV http://sebelk.blogspot.com
LPIC-2 Certified - http://www.lpi.org
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