Hi,
I have Bareos running without any problems for over a couple of years now.
Since beginning of July I am getting random failed backup jobs.
It is the well known error: Fatal error: Network error with FD during Backup:
ERR=Connection reset by peer
Typical symptoms:
-Backup job runs completely until the last file
-Backup job does not seem to do much during 2 minutes
-After those two minutes the backup ends with the error.
Some weeks ago, I upgraded all clients, director and storage deamon to the
latest version, 16.2.4. Updating didn't resolve this issue.
- The clients are Centos5 64-bit and Centos7 64-bit. Both clients have the
symptoms.
- The clients are backed up via the internet: so over a
The larger the job, the bigger the chance that the backup ends in an error.
However, there is no fixed 'threshold' above which backup jobs fail.
I have enabled the heartbeat option, see the config snippets below.
All the hosts use file encryption during backup.
Director config:
----------------
# Typical client
Client {
Name = ibis
Address = ibis.example.com
Password = "secret"
# Nodig om de verbinding open te houden
Heartbeat Interval = 60
Catalog = MyCatalog
}
# Director
Director {
Name = albatros-dir
DIRport = 9101
QueryFile = "/usr/libexec/bacula/query.sql"
Maximum Concurrent Jobs = 10
Password = "secret"
Messages = Daemon
Heartbeat interval = 60
# De storage devices limiteren hier de concurrent jobs
Maximum concurrent jobs = 30
}
# Albatros FileStore (disk)
Storage {
Name = File
Address = name.of.server
SDPort = 9103
Password = "secret"
Device = albatros-fs
Media Type = File
Heartbeat interval = 60
}
===============================
Typical client config:
# List Directors who are permitted to contact this File daemon
#
Director {
Name = albatros-dir
Password = "secret"
}
FileDaemon {
Name = grutto-fd
FDport = 9102
Pid Directory = /var/lib/bareos
Maximum Concurrent Jobs = 20
Heartbeat Interval = 60
Maximum Network Buffer Size = 65536
PKI Signatures = Yes
PKI Encryption = Yes
PKI Keypair = "/etc/bareos/client.pem"
PKI Master Key = "/etc/bareos/master.cert"
PKI Cipher = aes128
}
Messages {
Name = Standard
director = bacula-dir = all, !skipped, !restored
}
====================
Storage config:
Storage { # definition of myself
Name = albatros-sd
SDPort = 9103 # Director's port
Heartbeat interval = 60
Maximum Concurrent Jobs = 20
tls enable = yes
tls certificate = /etc/pki/tls/certs/server.crt
tls key = /etc/pki/tls/private/server.key
tls ca certificate file = /etc/pki/tls/certs/cacert.crt
}
Director {
Name = albatros-dir
Password = "pFgL7nc1"
}
Director {
Name = albatros-mon
Password = "pFgL7nc1"
Monitor = yes
}
Device {
Name = albatros-fs
Media Type = File
Archive Device = /shares/bareos-store
LabelMedia = yes; # lets Bacula label unlabeled media
Random Access = Yes;
AutomaticMount = yes; # when device opened, read it
RemovableMedia = no;
AlwaysOpen = no;
LabelMedia = yes;
Maximum concurrent jobs = 1;
Maximum Network Buffer Size = 65535;
}
Device {
Name = SDLT1-1
Media Type = SDLT1
Archive Device = /dev/nst0
RemovableMedia = yes;
RandomAccess = no;
Maximum Network Buffer size = 65535;
Maximum block size = 262144
Spool Directory = "/shares/userdata/bacula-spool"
Maximum concurrent jobs = 1;
AlwaysOpen = no;
AutomaticMount = yes;
Volume poll interval = 2 minutes;
Offline on unmount = yes;
Close on poll = yes;
}
Messages {
Name = Standard
director = albatros-dir = all
}
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