On Mon, May 2, 2016 at 9:15 PM, Gianluca Cecchi <[email protected]> wrote: > > > On Mon, May 2, 2016 at 8:39 PM, Gianluca Cecchi <[email protected]> > wrote: >> >> On Mon, May 2, 2016 at 11:14 AM, Simone Tiraboschi <[email protected]> >> wrote: >>> >>> >>> >>> >>> >>> Can you please check the entropy value on your host? >>> >>> cat /proc/sys/kernel/random/entropy_avail >>> >>> >>> >> >>> >> I have not at hand now the server. I'll check soon and report >>> >> Do you mean entropy of the physical server that will operate as >>> >> hypervisor? >>> >>> On the hypervisor >>> >>> > That's a good question. Simone - do you know if we start the guest with >>> > virtio-rng? >>> >>> AFAIK we are not. >>> >> >> On the only existing hypervisor, just after booting and exiting global >> maintenance, causing hosted engine to start, I have >> >> [root@ovirt01 ~]# uptime >> 20:34:17 up 6 min, 1 user, load average: 0.23, 0.20, 0.11 >> >> [root@ovirt01 ~]# cat /proc/sys/kernel/random/entropy_avail >> 3084 >> >> BTW on the self hosted engine VM: >> [root@ovirt ~]# uptime >> 18:35:33 up 4 min, 1 user, load average: 0.06, 0.25, 0.13 >> >> [root@ovirt ~]# cat /proc/sys/kernel/random/entropy_avail >> 14 >> >> On the hypervisor: >> [root@ovirt01 ~]# ps -ef | grep [q]emu | grep virtio-rng >> [root@ovirt01 ~]# >> >> On engine VM: >> [root@ovirt ~]# ll /dev/hwrng >> ls: cannot access /dev/hwrng: No such file or directory >> [root@ovirt ~]# >> >> [root@ovirt ~]# lsmod | grep virtio_rng >> [root@ovirt ~]# >> >> May I change anything so that engine VM has virtio-rng enabled? >> >> Gianluca >> >> > > I verified very slow login time in webadmin after welcome page, with my > configuration that is for now based on /etc/hosts. > After reading a previous post, and having after about 30 minutes only 114 as > entropy in hosted engine vm, I made this in engine VM:
Thanks for your report Gianluca, adding virtio-rng or adding haveged daemon to the appliance is indeed a good idea: could you please fill an RFE on bugzilla for that? > yum install haveged > systemctl enable haveged > > put host in global maintenance > shutdown engine VM > exit from maintenance > > engine VM starts and immediately I have: > > [root@ovirt ~]# uptime > 19:05:10 up 0 min, 1 user, load average: 0.68, 0.20, 0.07 > > [root@ovirt ~]# cat /proc/sys/kernel/random/entropy_avail > 1369 > > And login in web admin page now almost immediate.... > > Inside the thread I read: > http://lists.ovirt.org/pipermail/users/2016-April/038805.html > > it wasn't clear if I can edit the engine VM in webadmin (or other mean) and > enable the random generator option or if the haveged way is the one to go > with in case of self hosted engine.... > Is there a list of what I can change (if any) and what not for the engine > VM? > For example I would like to change the time zone that is GMT now (I think > inherited from the OVF of the appliance?) > > Thanks, > Gianluca > _______________________________________________ Users mailing list [email protected] http://lists.ovirt.org/mailman/listinfo/users
