Thanks Sam, Its a great help. Now we can able to achieve 50 to 60 MB/s transferring speed.
Thanks & Regards, PankaJ Singh On Thu, Apr 2, 2015 at 10:49 PM, Sam Ceylani <s...@mistercertified.com> wrote: > We use Freenas with ZFS also and it is notorious with NFS shares, we > created a dataset and shared on NFS and disabled sync option for this > dataset from ZFS, I forgot the command but it was something like zfs set > sync=disabled /tank/dataset something like that, it will fix it. This has > really nothing to do with cloudstack and xenserver which we use both... > > > Thanks, > > Sam Ceylani, MBA > Computer Engineer > MisterCertified Inc. > > 301 W. Platt St. Suite 447, Tampa, FL 33606<x-apple-data-detectors://0/0> > P 813<tel:813.264.6460>.264.6460<tel:813.264.6460> M > 813<tel:813.416.7867>.416.7867<tel:813.416.7867> > F 800<tel:800.553.9520>.553.9520<tel:800.553.9520> E > sam.ceyl...@mistercertified.com<mailto:sam.ceyl...@mistercertified.com> > > On Apr 2, 2015, at 1:13 PM, "Pankaj Singh" <pank.sin9...@gmail.com<mailto: > pank.sin9...@gmail.com>> wrote: > > Still no luck by disabling these flags. > Would you please help us for this. > > Thanks & Regards, > PankaJ Singh > > > On Thu, Apr 2, 2015 at 8:06 PM, Jeronimo Garcia <garciaj...@gmail.com > <mailto:garciaj...@gmail.com>> > wrote: > > mmmmmm i had this problem before .... > i think it was TCP offliading or RX/TX checksumming. > I'd say play with ethtool and see if it makes any difference disabling this > flags (or enabling them) > Im on #cloudstack@freenode if you want to pop in. > > Thanks > > On Thu, Apr 2, 2015 at 3:12 PM, Pankaj Singh <pank.sin9...@gmail.com > <mailto:pank.sin9...@gmail.com>> > wrote: > > We have two different network on two similar switches. One is our > 192.168.1.0/24 and other is 192.168.2.0/24 network. > Our switch capacity is 1000Mbps and so does our NIC cards on Host > machines. > > On n/w 192.168.1.0/24, we are using xenserver 6.2 to deploy our Virtual > machines and > we can able to achieve persistent 75 to 80 MB/s speed while transferring > (via scp) one 12GiB file from one VM to another VM on same Xenserver. > > We are using 192.168.2.0/24 network for our cloudstack setup. > We have used following software with their version to establish out > private > cloud: > > > Cloudstack = v4.4.2 > Management Server On = Centos 6.4 x86_64 bit > Xenserver as a hypervisor = v6.2 (similar configuration of machine as we > have used in 192.168.1.0/24 n/w) > FreeNAS as a Primary and Secondary Storage via NFS = v9.3 (filesystem is > ZFS based) > Virtual Machine OS = Centos 6.5 x86_64 bit > > We are using basic networking with its all default configurations but we > are not able to achieve at least 60 to 65 MB/s of transferring speed. > > In cloud If we start scp from one machine to another machine then our > transferring speed starts from 63 MB/s and then its keep falling till 20 > to > 25 MB/s. > > Would you please tell us that what we are missing here. Is ther any kind > of > global setting we need to configure so that at least we can achieve more > than 50 MB/s transferring speed between two guest VM. > > > Thanks and Regards > PankaJ Singh > > >
