Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

Hi All, I tried using hwrng as source for VM I got below error. qemu/backends/rng-random.c:44:entropy_available: assertion failed: (len != -1) Please help to understand it more. Thanks, ~Rohit On Mon, Jul 3, 2017 at 8:22 PM, TranceWorldLogic . < tranceworldlo...@gmail.com> wrote: > Hi

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

Hi Yaniv, I tried looking into rng direction and I found below stats. I am not familiar with rng device but it look to me /dev/urandom giving me better option. But I am unaware how can I use urandom device in ovirt. RANDOM DEVICE ==> cat /dev/random | rngtest -c 1000 rngtest 5 Copyright (c)

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

Your understanding is correct issue only due to encryption/decryption process but not got idea why not word. I found that in centos 7 we not have install rng-tools. Do it required to install for random generator ? I have changes nothing I just increase number of queues in vnet. It diffenetly

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

On Fri, Jun 30, 2017 at 4:14 PM, TranceWorldLogic . < tranceworldlo...@gmail.com> wrote: > Hi Yaniv, > > I have enabled random generator in cluster and also in VM. > But still not see any improvement in throughput. > > lsmod | grep -i virtio > virtio_rng 13019 0 > Are you sure it's

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

Hi Yaniv, I have enabled random generator in cluster and also in VM. But still not see any improvement in throughput. lsmod | grep -i virtio virtio_rng 13019 0 virtio_balloon 13834 0 virtio_console 28115 2 virtio_blk 18156 4 virtio_scsi

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

On Thu, Jun 29, 2017 at 4:02 PM, TranceWorldLogic . < tranceworldlo...@gmail.com> wrote: > Got it, just I need to do modprobe to add virtio-rng driver. > I will try with this option. > Make sure it is checked on the cluster. Y. > > Thanks for your help, > ~Rohit > > On Thu, Jun 29, 2017 at 6:20

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

Got it, just I need to do modprobe to add virtio-rng driver. I will try with this option. Thanks for your help, ~Rohit On Thu, Jun 29, 2017 at 6:20 PM, TranceWorldLogic . < tranceworldlo...@gmail.com> wrote: > Hi, > > I am using host as Centos 7.3 and guest also centos 7.3 > it have 3.10 kernel

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

Hi, I am using host as Centos 7.3 and guest also centos 7.3 it have 3.10 kernel version. But I not see virtio-rng in guest VM. Is this module come with kernel or separately I have to install ? Thanks, ~Rohit On Thu, Jun 29, 2017 at 5:28 PM, Yaniv Kaul wrote: > > > On Thu,

Re: [ovirt-users] [Ovirt 4.0.6] Suggestion required for Network Throughput options

On Thu, Jun 29, 2017 at 10:07 AM, TranceWorldLogic . < tranceworldlo...@gmail.com> wrote: > Hi, > > To increase network throughput we have changed txqueuelen of network > device and bridge manually. And observed improved throughput. > Interesting, as I've read the default (1000) should be good