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Slow backup rates on Virtual host and guests

I have a Windows Server running 2008 R2 and its our Hyper-V host.   I also have 3 virtual servers running on that host, all are Server 2008 R2.  I'm running backup exec 2012 on the hyper-v host and the backup exec client on all the virtual guests.  I've noticed that the backups on the virtual host and guests are only running at a rate of about 30MB/min.  This is extremely slow and its taking 12 hours for the backups to run.  On all my new 2012 R2 servers running BE2014 the rates is around 1,200MB/min.  Does anyone know what might be causing the slow backup rates on the virtual hosts and guests?

2 Replies

Re: Slow backup rates on Virtual host and guests

Is it running slowly on the System State?

Re: Slow backup rates on Virtual host and guests

I'm not sure what portion its running slow on.  It just shows the average transfer rate is around 30MB/minute.  This is only happening on the VM hosts and VM guests servers.  All our other servers are backing up to the same media (we use a NAS) and their rate is around 1,200MB/min so I know its not the media that is limiting it.