Hi all:
I've been using Bacula for quite some time. We Backup several
servers through internet from different sites (10 Mbps bandwidth each) to a
Bacula-SD in a data center (100 Mbps bandwidth), which also holds the
director. This configuration have been working for several years with no
significant issues.
We recently configure two windows 2008 virtual machines
running under Citrix Xen Server in two different sites. We have not been able
to finish a complete backup of them. They all finishes with network error for
example (errors coming from de FD and SD):
* ERR=Input/output | Network send error to SD.
* Write error sending 17044 bytes to Storage daemon | :
ERR=Input/output | Network send error to SD | ERR=Connection reset by peer
* Network error reading from FD. ERR=Connection reset by peer
* Etc.
It seems that at some point the connection is dropped, but it doesn't follow
any pattern in time neither in transmitted size. Some times it only transmit
less than 5 Gb and sometimes it goes to more than 40GB until the backup is
dropped. In the same site we have previously a Windows Machine with bacula
which ran without any problem.
We have also a similar configuration using Hyper-V as an hypervisor backuping
up a Windows virtual machine without any problem.
I have my suspicious that it could be a Citrix Xen Server / Virtual Adapter
problem, but I want to hear if someone else have gone through this before.
I'm using Bacula 5.0.2 in both Director and Storage Daemon. As for File Daemon
we have tried with several versions.
The affected machines are two virtual windows 2008 Server (and 2008 R2)
Can anyone give me a hint on this?
Kindest Regards.
Jaime Ferrer
------------------------------------------------------------------------------
Virtualization & Cloud Management Using Capacity Planning
Cloud computing makes use of virtualization - but cloud computing
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http://www.accelacomm.com/jaw/sfnl/114/51521223/
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