Hi,
On 1/27/2006 2:23 AM, Andreas Freyvogel wrote:
hello,
We have been having many of our backups failing due to a network timeout
error (Network error on data channel. ERR=Operation timed out).
If I do them one at a time they work fine, so I am leaning towards believing
that this may be an issue with running too many concurrent jobs.
Hard to say for me. I'd rather suspect that either you have a network
problem, so that somewhere in between a switch drops packets, or a
firewall drops connections because it thinks a host is being flooded.
If you've got a managed switch, investigating there might reveal
something. And check (or, for testing purposes) turn off all firewalls
between your hosts.
Else I'd simply suggest to observe the existing connections and traffic
on them, for example using iptraf, and see if connections are closed
when there's heaviy traffic.
Basically, Bacula can handle multiple connections quite well, but I
never tried with more than five or so jobs running simultaneously. More
is not reasonable given my hardware :-)
Arno
As it is now we have the following defined:
Director configuration:
-----------------------
Director {
Maximum Concurrent Jobs = 20
Storage {
Maximum Concurrent Jobs = 8
Storage configuration:
----------------------
Storage {
Maximum Concurrent Jobs = 20
thanks .. any assistance or advice is appreciated.
-Andreas
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