Hi Spiros, are you sure that your windows 7 PC can read more than 230Mbit/s? Is that windows 7 and 2012 server are virtual or physical?
Regards Marco On Monday, September 21, 2015 at 2:04:41 PM UTC+2, Spiros Papageorgiou wrote: > Hi all, > > I'm havng a bareos setup, where I have a bareos-dr/sd on a centos7 VM and I'm > trying to backup a folder on a windows 7 PC. > > The problem is that the bareos-fd on windows doesn't seem to be able to reach > over than 230Mbit/s when spooling data, which looks good, but it isn't if you > consider the parameters of the problem. So the facts are: > > 1. bareos-sd/VM --GElink--switch---10G---Router--...10G > network...----Router--10G--switch---GE---WinPC > 2. Latency end-2-end is 3-4ms. > 3. MTU is 9K and bareos-sd talks with winbareos-fd with a jumbo packets. > 4. iperf between the bareosVM and winPC delivers 430Mbps (it is slow). A > freeBSD machine reaches 880Mbps with the bareosVM. > 5. bareosVM has managed to backup at a rate of 800mbps files from an another > CentOS7 host, on the same infrastructure with the bareosVM (0ms latency). > 6. A Windows server 2012 with winbareos-fd, on the same infra with bareos > (0ms latency), also delivered 230Mbps. > > So, from 5) I presume that the bareosVM can reach 800Mbps backup speed. > from 4) I presume that my network end-2-end can reach at least 800Mbps and I > also have jumbo frames. > > So, why the windows7 PC and the windows 2012 server PC only achieve 230Mbps > when spooling data? > > Has anybody managed to reach more backup speeds of more than 230Mbps when > using winbareos-fd as client? > > Thank you, > Spiros > > PS: I have played with many windows TCP settings, in order to enhance ipv4 > TCP performance, with no results. -- You received this message because you are subscribed to the Google Groups "bareos-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. For more options, visit https://groups.google.com/d/optout.
