Dear Bacula Users!
I'm a newbie and have been trying to configure a Bacula backup solution
for our Institute for two months. I'm excited of this Software (thanks
to the developers for that great work) and I absolutely want to use it
:-) At the moment, unfortunately I can't use it as I would like.
We have to backup a Fileserver (Windows-Server-2012, Bacula client
5.2.10) with 400TB of Data with an Autochanger (IBM-TS3500) with two
Drives (TS1140). We operate a dedicated Backupserver (CentOS 6.4) with
Bacula (5.2.13) which is connectetd with a dedicated 1 GBit Interface to
the Fileserver. The two drives of the autochanger are directly connected
to a QLogic QLE2562 Dual Port Fibre Channel HBA (on the backupserver).
To be ensured, the drives are operated in streaming mode, the
backupserver has a 35TB spool area. There are several filesystems
connected to the fileserver:
3x120TB
4x40TB
The first thing we have to do is to split the 3x120TB in 6x60TB since
Microsoft does not support VSS for filesystems >(64TB-8GB) not even with
the latest release (Server-2012-R2). This is a not documented "design"
and we got this information from the Microsoft support team. To
re-emphasize this, in Windows-Server-2012 it's not a problem to create
and use a filesystem >64TB but it's not possible to make a backup of any
file of any size in such a filesystem; not even with the in the
operating system included Windows-Server-Backup program :-(
Now I'm glad to make backups and restores of files of our 4x40TB
Filesystems with Bacula if they are not too big (< 5TB). That works
fine. If they are too big (> 15TB) I always get an error after creating
the second or third or sometimes subsequent spoolfile (Error:
lib/bsock.c...). Never for the first spoolfile! I've tried several spool
sizes (from 500GB to 16TB) and different network settings. As attachment
(bacula_mailing_list_some_error_logs.txt) you can find some logs, when
the error occurred. What I have also tried:
- using different Networkinterfaces (at the moment an ethernet cable is
directly connected (no switch) between the fileserver and the
backupserver and this connection is used for the backups (checked with
netstat))
- heartbeat: enabling on the SD (60 seconds) and
net.ipv4.tcp_keepalive_time also set to 60
- AllowCompression Yes/No
- many, many hours for trials
Is there anybody out there who has a similar environment which is
working or can point me in the right direction? I'd behappy for
anyfurther questions or suggestions since at the moment I'm at a loss...
Cheers and thanks in advance
Hans
PS: As attachments you can find also all of the config files and one
complete job listing wich was ok and another one with an error
PPS: Today in the morning, I've tried to Signup for a new account at
http://bugs.bacula.org/signup_page.php for the bug database and haven't
received an E-Mail (bacula AT ipf.tuwien.ac DOT at) for confirming yet
(username hthuemin)
bacula_mailing_list_some_error_logs.txt
Description: Text document
bacula-dir.conf
Description: Text document
bacula-fd.conf
Description: Text document
bacula-sd.conf
Description: Text document
fs2-photo-archive.conf
Description: Text document
bacula-fd.conf_fileserver
Description: Text document
bacula_mailing_list_whole_job_ok.txt
Description: Text document
bacula_mailing_list_whole_job_error.txt
Description: Text document
fs2-common.conf
Description: Text document
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