You can enable null cipher with hpn patches..
Eero
11.8.2015 7.35 ip. "Götz Reinicke" <goetz.reinicke@xxxxxxxxxxxxxxx>
kirjoitti:
> 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.volotinen@xxxxxx>:
> >
> > 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.reinicke@xxxxxxxxxxxxxxx <mailto:goetz.reinicke@xxxxxxxxxxxxxxx>>:
> > 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
>
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