Have you tried starting up an rsync daemon and running it without the ssh overhead?
I occasionally do rsync over 10g lan and if I don't use a daemon or NFS then arc-four is enough to provide adequate speed. On August 11, 2015 11:34:48 AM CDT, "Götz Reinicke" <goetz.reini...@filmakademie.de> wrote: >Hi, > >I tried different encryptions like arc four, but always with the same >result. BTW: googling shows some similar questions and they are stuck >on set same speed +-. > >But non of that solutions helped me. > > /Götz > > > > >> Am 11.08.2015 um 12:14 schrieb Eero Volotinen ><eero.voloti...@iki.fi>: >> >> Usually problem in encryption. >> >> try cipher arcfour or apply hpn patches to ssh. >(http://www.psc.edu/index.php/hpn-ssh ><http://www.psc.edu/index.php/hpn-ssh>) >> >> -- >> Eero >> >> 2015-08-11 12:37 GMT+03:00 Götz Reinicke - IT Koordinator ><goetz.reini...@filmakademie.de ><mailto:goetz.reini...@filmakademie.de>>: >> Hi, >> >> i have two servers, connected to to the lan by 10Gb with 10Gb and DAS >> hardware raid. >> >> Each system con read and write locally or to the 10G iscsi by more >than >> 200 MB/s. >> >> Now I have to transfer backups form A to B and doing this with rsync >> always stuck at +- 48-50MB/s no matter which options, compressions, >> encryption etc I use. Even the plain default rsync is at that 50 Mb >limit. >> >> coyp by scp goes up to 200 MB/s. >> >> Copy from and to my workstation with scp from or to both servers is >at >> 1Gb limit (so +- 100 MB/s) >> >> >> Why is rsync stuck at +- 50 MB/s ? Any suggestions hints ... >> >> Thanks and regards . Götz > >_______________________________________________ >CentOS mailing list >CentOS@centos.org >http://lists.centos.org/mailman/listinfo/centos _______________________________________________ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos
