Bryan Pearson Posted October 28, 2011 Report Share Posted October 28, 2011 I installed using a demo key on one of our new 24-core servers. I am getting speeds of backup comparable to the 4-core system I am running our licensed version on. The new server can sustain 100MB/sec transfer speeds across the network to a similar server. The client or backup server the GB network are not busy. But the maximum speed I get on a non-verified duplicate job is 1200 MB/Min whether network encryption is on or off. The priority on the client is set to max backup as opposed to user programs. Why is Retrospect only 20% as fast as it should be? Neither the client nor the server seem to be using 100% of any of the cores on the system, so why the bottleneck? Unsurprisingly the network also shows 20% or less utilization. We had anticipated a speed bump from running on the new server. Instead we have pretty much the exact same performance as on a system with 4cores and drives with only 25% of the speed. This seems like it has an internal rate it is trying to never exceed. I tested a local drive to local drive duplicate on the new backup server, and it sustained a rate of 4000MB/minute. Clearly this shows that the network protocol is the limiter. This has me looking really hard for a replacement product. Quote Link to comment Share on other sites More sharing options...
Antti Posted November 2, 2011 Report Share Posted November 2, 2011 So, it's slow on any hardware, my topic on the subject: http://forums.support.roxio.com/topic/75618-backup-performance/. Quote Link to comment Share on other sites More sharing options...
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