[Bacula-users] Multi client multy storaje multy job configuration
2012-03-24 04:27:03
Dear ALL!
I'm new to this forum but using Bacula for years and happy with it.
But now i reach somekind of trouble in Bacula Configuration:
I have the following:
Director:
Director {
Name = dir
QueryFile = "/etc/bacula/scripts/query.sql"
WorkingDirectory = "/var/lib/bacula"
PidDirectory = "/var/run/bacula"
Maximum Concurrent Jobs = 50
Password = "XXXXX"
Messages = Daemon
DirAddresses = {
ip = {
addr = 172.16.248.1
port = 9101
}
}
FD Connect Timeout = 120 seconds
SD Connect Timeout = 120 seconds
Statistics Retention = 90 days
}
4 storages:
Storage {
Name = storage1
WorkingDirectory = "/var/lib/bacula"
Pid Directory = "/var/run/bacula"
Maximum Concurrent Jobs = 50
Heartbeat Interval = 30 seconds
Client Connect Wait = 1 minute
SDAddresses = {
ip = {
addr = 172.16.248.1
port = 9103
}
}
}
(all 4 storages have different adresses and run on different machines)
With one Device on each storage:
Device {
Name = storage1-device1
Media Type = File
Archive Device = /bacula/archive01/
LabelMedia = yes;
Random Access = Yes;
AutomaticMount = yes;
RemovableMedia = no;
AlwaysOpen = no;
Maximum Volume Size = 4699Mb
Maximum Concurrent Jobs = 1
Maximum File Size = 4699Mb
Maximum Network Buffer Size = 262144
}
And 6 clients:
FileDaemon {
Name = client1
FDport = 9102
WorkingDirectory = /var/lib/bacula
Pid Directory = /var/run/bacula
Maximum Concurrent Jobs = 10
FDAddress = 172.16.248.1
}
Each client should be backed up on each storage. So i have jobs for that
like this:
Job {
Name = "daily-db-client1-backup-on-storage1"
Type = Backup
Client = client1
FileSet="db-fileset"
Storage = storage1
Pool = Default
Full Backup Pool = Full-Pool
Incremental Backup Pool = Inc-Pool
Differential Backup Pool = Diff-Pool
RunScript {
Command = "/usr/local/bin/database-backup.sh"
RunsOnClient = Yes
RunsWhen = Before
}
Messages = Daemon
Schedule = "Schedule1"
Maximum Concurrent Jobs = 2
}
The main problem is that i can make configuration (shown) where i have
concurrently backed up all clients on all storages, but this
configuration makes possible for director to start backing up the same
client concurrently. When this happend (database backups script starts
twice or even 4 times) the dump of the database becoming unusable. And
servers hang dumping bases for a very long time.
When i decrease number of concurrent jobs on the client to 1 or 2 - i
reach situation when all jobs are "is waiting on max Client jobs" and
some of them are "is waiting on Storage storeage1" (or storage2, or
storage3 or storage4). And server hangs forever waiting jobs to finish.
When i increase client jobs back to 10 and decrease director jobs to 1 -
i'm getting non-concurrent configuration that is fine, but takes too
much time to finish all jobs. More than i can allow.
Could you please help me in resolving my issue? I need to run 4 jobs
concurrently (4 storages runs concurrently) but i need them to run from
4 different clietns. The situation when 2 storages backup the same
client is imposible. It makes backups unusable completley.
The solution to check concurrent script run inside script itself is not
the solution. It is the same as no concurrency.
Sorting jobs is not the solution. Depending on job level and server
load... etc... i cannot relay on this configuration. And i got the
result when two jobs from one client starts at the same time during tests.
Best regards,
Anton Nikiforov
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