Bacula-users

[Bacula-users] Backup Speed

2008-10-09 04:12:03
Subject: [Bacula-users] Backup Speed
From: Stefan Lubitz <stefan.lubitz AT mackevision DOT de>
To: bacula-users AT lists.sourceforge DOT net
Date: Thu, 09 Oct 2008 10:05:53 +0200
Hi all,

I have set up a new Backups System and I don't know whether the 
performance is good or not.
So I hope you can tell me a little bit more :-)
I am using a LTO4 Autoloader with 2 drives. It is connected to a Debian 
Backup Server trough an PCI-X SCSI Card (U320).
This Server has another internal PCI-X SCSI Card (U320) which is 
connected to an external Raid (EasyRaid, 3*SATA HD's,  Raid5, 1,9 TB). I 
am using this Raid for Spooling.
The System Harddisk is an internal SAS RAID0 500GB.
The Backup Server is connected to the Fileserver trough Gigabit LAN.
Is this settup OK? Would you change something? Is the performane OK? If 
not, what do you think is the problem? Is it possible to write to 2 
drives at the same time, to increase write performance?
I know.........This are a lot of questions, but I have no experience in 
Backup Systems :-)

Thanks for your help,
Stefan

Logfiles:
08-Oct 15:40 BACKUP3-dir JobId 10: Start Backup JobId 10, 
Job=STORAGE4.2008-10-08_15.40.04
08-Oct 15:40 BACKUP3-dir JobId 10: Using Device "Drive-1"
08-Oct 15:40 BACKUP3-sd JobId 10: Spooling data ...
Storage4-fd JobId 10:      /lib/init/rw is a different filesystem. Will 
not descend from / into /lib/init/rw
Storage4-fd JobId 10:      /sys is a different filesystem. Will not 
descend from / into /sys
Storage4-fd JobId 10:      /serv is a different filesystem. Will not 
descend from / into /serv
08-Oct 22:06 BACKUP3-sd JobId 10: Job write elapsed time = 06:26:12, 
Transfer rate = 70.36 M bytes/second
08-Oct 22:06 BACKUP3-sd JobId 10: Committing spooled data to Volume 
"MBA003". Despooling 1,632,030,373,338 bytes ...
09-Oct 02:47 BACKUP3-sd JobId 10: End of Volume "MBA003" at 1145:10252 
on device "Drive-1" (/dev/nst0). Write of 64512 bytes got -1.
09-Oct 02:47 BACKUP3-sd JobId 10: Re-read of last block succeeded.
09-Oct 02:47 BACKUP3-sd JobId 10: End of medium on Volume "MBA003" 
Bytes=1,144,340,434,944 Blocks=17,738,411 at 09-Oct-2008 02:47.
09-Oct 02:47 BACKUP3-sd JobId 10: 3307 Issuing autochanger "unload slot 
3, drive 0" command.
09-Oct 02:48 BACKUP3-sd JobId 10: 3301 Issuing autochanger "loaded? 
drive 0" command.
09-Oct 02:48 BACKUP3-sd JobId 10: 3302 Autochanger "loaded? drive 0", 
result: nothing loaded.
09-Oct 02:48 BACKUP3-sd JobId 10: 3304 Issuing autochanger "load slot 1, 
drive 0" command.
09-Oct 02:49 BACKUP3-sd JobId 10: 3305 Autochanger "load slot 1, drive 
0", status is OK.
09-Oct 02:49 BACKUP3-sd JobId 10: Wrote label to prelabeled Volume 
"MBA001" on device "Drive-1" (/dev/nst0)
09-Oct 02:49 BACKUP3-sd JobId 10: New volume "MBA001" mounted on device 
"Drive-1" (/dev/nst0) at 09-Oct-2008 02:49.
09-Oct 04:53 BACKUP3-sd JobId 10: Despooling elapsed time = 06:44:31, 
Transfer rate = 67.24 M bytes/second
09-Oct 05:38 BACKUP3-sd JobId 10: Sending spooled attrs to the Director. 
Despooling 186,687,121 bytes ...
09-Oct 05:40 BACKUP3-dir JobId 10: Bacula BACKUP3-dir 2.4.2 (26Jul08): 
09-Oct-2008 05:40:06
  Build OS:               x86_64-pc-linux-gnu debian lenny/sid
  JobId:                  10
  Job:                    STORAGE4.2008-10-08_15.40.04
  Backup Level:           Full
  Client:                 "Storage4-fd" 2.4.2 (26Jul08) 
x86_64-pc-linux-gnu,debian,lenny/sid
  FileSet:                "Full" 2008-10-08 14:05:18
  Pool:                   "Default" (From Job resource)
  Storage:                "IBM-LTO4" (From Job resource)
  Scheduled time:         08-Oct-2008 15:40:05
  Start time:             08-Oct-2008 15:40:30
  End time:               09-Oct-2008 05:40:06
  Elapsed time:           13 hours 59 mins 36 secs
  Priority:               10
  FD Files Written:       519,363
  SD Files Written:       519,363
  FD Bytes Written:       1,630,395,828,602 (1.630 TB)
  SD Bytes Written:       1,630,501,431,782 (1.630 TB)
  Rate:                   32364.5 KB/s
  Software Compression:   None
  VSS:                    no
  Storage Encryption:     no
  Volume name(s):         MBA003|MBA001
  Volume Session Id:      2
  Volume Session Time:    1223473135
  Last Volume Bytes:      489,138,693,120 (489.1 GB)
  Non-fatal FD errors:    0
  SD Errors:              0
  FD termination status:  OK
  SD termination status:  OK
  Termination:            Backup OK

09-Oct 05:40 BACKUP3-dir JobId 10: Begin pruning Jobs.
09-Oct 05:40 BACKUP3-dir JobId 10: No Jobs found to prune.
09-Oct 05:40 BACKUP3-dir JobId 10: Begin pruning Files.
09-Oct 05:40 BACKUP3-dir JobId 10: No Files found to prune.
09-Oct 05:40 BACKUP3-dir JobId 10: End auto prune.




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