Bacula-users

[Bacula-users] tuning lto-4

2011-11-30 11:04:53
Subject: [Bacula-users] tuning lto-4
From: gary artim <gartim AT gmail DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Wed, 30 Nov 2011 08:02:45 -0800
Hi --

Getting about 41.6/MBs and hoping for closer to the max (120MB). I
tried maximum file sizes of 5, 8, 12GB -- 12GB the best the others
where about 35/MBs. Any advise welcomed...should I look at max/min
block sizes?
most of the data is big, genetics data -- filesizes avg in the 500/MB
to 3-4/GB -- looking at a growth from 4TB to 15TB in the next 2 years.

run results and bacula-sd.conf and bacula-dir.conf below...

thanks
-- gary

Run:
===

  Build OS:               x86_64-redhat-linux-gnu redhat
  JobId:                  5
  Job:                    Prodbackup.2011-11-29_19.32.42_05
  Backup Level:           Full
  Client:                 "bacula-fd" 5.0.3 (04Aug10)
x86_64-redhat-linux-gnu,red


hat,
  FileSet:                "FileSetProd" 2011-11-29 19:32:42
  Pool:                   "FullProd" (From Job FullPool override)
  Catalog:                "MyCatalog" (From Client resource)
  Storage:                "LTO-4" (From Job resource)
  Scheduled time:         29-Nov-2011 19:32:26
  Start time:             29-Nov-2011 19:32:45
  End time:               29-Nov-2011 21:15:53
  Elapsed time:           1 hour 43 mins 8 secs
  Priority:               10
  FD Files Written:       35,588
  SD Files Written:       35,588
  FD Bytes Written:       257,543,090,368 (257.5 GB)
  SD Bytes Written:       257,548,502,159 (257.5 GB)
  Rate:                   41619.8 KB/s
  Software Compression:   None
  VSS:                    no
  Encryption:             no
  Accurate:               no
  Volume name(s):         f03
  Volume Session Id:      1
  Volume Session Time:    1322622337
  Last Volume Bytes:      257,740,342,272 (257.7 GB)
  Non-fatal FD errors:    0
  SD Errors:              0
  FD termination status:  OK
  SD termination status:  OK
  Termination:            Backup OK

bacula-sd.conf:
==========

Autochanger {
  Name = Autochanger
  Device = LTO-4
  Changer Command = "/usr/libexec/bacula/mtx-changer %c %o %S %a %d"
  Changer Device = /dev/changer
}
Device {
  Name = LTO-4
  Media Type = LTO-4
  Archive Device = /dev/nst0
  AutomaticMount = yes;               # when device opened, read it
  AlwaysOpen = yes;
  RemovableMedia = yes;
  RandomAccess = no;
  Maximum File Size = 12GB
  Autochanger = yes
  Alert Command = "sh -c 'tapeinfo -f %c |grep TapeAlert|cat'"
  Alert Command = "sh -c 'smartctl -H -l error %c'"
}
bacula-dir.conf:
==========

Job {
        Name = "Prodbackup"
        Client = bacula-fd
        FileSet = "FileSetProd"
        Schedule = "ScheduleProd"
        Write Bootstrap = "/var/spool/bacula/%c.bsr"
        Full Backup Pool = FullProd
        Incremental Backup Pool = IncrProd
        Differential Backup Pool = DiffProd
        Storage =  LTO-4
        Type = Backup
        Level = Incremental
        Pool = IncrProd
        Priority = 10
        Messages = Standard
}
FileSet {
        Name = "FileSetProd"
        Include {
                Options {
                        WildFile = "*.OLD"
                        WildFile = "*.o"
                        WildFile = "*.bak"
                        exclude = yes
                }
                File = /my/home/xxxxxxx
        }
        Exclude {
                File = /my/home/tmp
        }
}
Schedule {
        Name = "ScheduleProd"
        Run = Full 1st sun at 16:05
        Run = Pool {
        Name = FullProd
        Label Format = "FullProd"
        Pool Type = Backup
        Recycle = yes           # Bacula can automatically recycle Volumes
        AutoPrune = yes         # Prune expired volumes
        Volume Retention = 10 years
        Maximum Volume Jobs = 1
}

Pool {
        Name = DiffProd
        Label Format = "DiffProd"
        Pool Type = Backup
        Recycle = yes
        AutoPrune = yes
        Volume Retention =  40 days
        Maximum Volume Jobs = 1
}

Pool {
        Name = IncrProd
        Label Format = "IncrProd"
        Pool Type = Backup
        Recycle = yes
        AutoPrune = yes
        Volume Retention =  10 days
        Maximum Volume Jobs = 1
}
Differential 2nd-5th sun at 16:05
        Run = Incremental mon-sat at 16:05
}

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