I was using latest stock EL6 , but now am trying kernel 4.x and qemu-rhev from ovirt.org.
Thanks, Lucian -- Sent from the Delta quadrant using Borg technology! Nux! www.nux.ro ----- Original Message ----- > From: "Rafael Fonseca" <rsafons...@gmail.com> > To: dev@cloudstack.apache.org > Cc: us...@cloudstack.apache.org > Sent: Monday, 1 June, 2015 18:42:23 > Subject: Re: Regular total loss of connectivity > There are also a few kvm bugs which could be related, what kernel and > qemu-kvm versions are you running? > > Rafael > > On Mon, Jun 1, 2015 at 7:23 PM, Simon Weller <swel...@ena.com> wrote: > >> What does arp show you on the VR when this occurs? >> Can you isolate this VR to a different physical host and upstream switch? >> If you leave a ping going to some external ip (e.g. 8.8.8.8) from the VR, >> do you still lose connectivity? >> >> ________________________________________ >> From: Nux! <n...@li.nux.ro> >> Sent: Monday, June 1, 2015 12:15 PM >> To: us...@cloudstack.apache.org >> Cc: dev@cloudstack.apache.org >> Subject: Re: Regular total loss of connectivity >> >> Ok, no luck with e1000 either, connectivity is lost after 4 hours (14400 >> sec). That can't be random. >> >> Any ideas? >> >> -- >> Sent from the Delta quadrant using Borg technology! >> >> Nux! >> www.nux.ro >> >> ----- Original Message ----- >> > From: "Nux!" <n...@li.nux.ro> >> > To: us...@cloudstack.apache.org >> > Cc: dev@cloudstack.apache.org >> > Sent: Monday, 1 June, 2015 14:35:09 >> > Subject: Re: Regular total loss of connectivity >> >> > Nope, it's a regular, non-redundant VR. >> > >> > I've switched to using e1000 instead of virtio, waiting for a few hours, >> so how >> > it pans out. :-) >> > >> > -- >> > Sent from the Delta quadrant using Borg technology! >> > >> > Nux! >> > www.nux.ro >> > >> > ----- Original Message ----- >> >> From: "Simon Weller" <swel...@ena.com> >> >> To: dev@cloudstack.apache.org >> >> Cc: "Cloudstack Users List" <us...@cloudstack.apache.org> >> >> Sent: Monday, 1 June, 2015 13:32:26 >> >> Subject: Re: Regular total loss of connectivity >> > >> >> Is this VR in a redundant pair? If so, does stopping the master and >> allowing the >> >> slave to take over allow the flow of traffic to resume? >> >> >> >> >> >> ________________________________________ >> >> From: Nux! <n...@li.nux.ro> >> >> Sent: Monday, June 1, 2015 6:45 AM >> >> To: dev@cloudstack.apache.org >> >> Cc: Cloudstack Users List >> >> Subject: Re: Regular total loss of connectivity >> >> >> >> Thanks Simon, >> >> >> >> link up/down has not helped, setting tso etc off on the link has not >> helped >> >> either. >> >> Connectivity is lost as usual after ~4 hours. >> >> >> >> I found some suggestions to try and use the e1000 nic instead of >> virtio, will do >> >> that. >> >> >> >> Lucian >> >> >> >> -- >> >> Sent from the Delta quadrant using Borg technology! >> >> >> >> Nux! >> >> www.nux.ro >> >> >> >> ----- Original Message ----- >> >>> From: "Simon Weller" <swel...@ena.com> >> >>> To: "dev" <dev@cloudstack.apache.org>, "Cloudstack Users List" >> >>> <us...@cloudstack.apache.org> >> >>> Sent: Sunday, 31 May, 2015 22:36:56 >> >>> Subject: Re: Regular total loss of connectivity >> >> >> >>> If you ifdown the interface on the router and then ifup it again, does >> the arp >> >>> problem resolve itself? >> >>> >> >>> We've seen a similar issue before caused by malicious/heavy traffic >> related to >> >>> this bug: >> >>> >> >>> https://bugs.launchpad.net/ubuntu/+source/qemu-kvm/+bug/997978 >> >>> >> >>> - Si >> >>> ________________________________________ >> >>> From: Nux! <n...@li.nux.ro> >> >>> Sent: Sunday, May 31, 2015 4:25 PM >> >>> To: dev; Cloudstack Users List >> >>> Subject: Regular total loss of connectivity >> >>> >> >>> Hi, >> >>> >> >>> Following a power cut, one of my cloudstack deployments is having a >> really weird >> >>> problem that I cannot seem to solve on my own. >> >>> Every 3 hours all the public IPs on the VR stop responding from the >> Internet. >> >>> From the VR they are of course all reachable. >> >>> In the same VLAN as the public IPs there is another physical server, >> this one >> >>> can also access the VMs on their IPs just fine. >> >>> >> >>> The provider has not found the problem and hints at problems with the >> cloud >> >>> platform, however cloudstack worked just fine until the power cut, not >> to >> >>> mention the problem persists through HV and ACS upgrades. >> >>> >> >>> I'm thinking network side arp issues or something like this, alas I am >> not that >> >>> good with network stuff and don't have access to it anyway. >> >>> >> >>> If I reboot the VR once or twice the IPs start working again and the >> VMs are >> >>> accessible from the internet. >> >>> >> >>> Ideas? >> >>> >> >>> Env: CentOS 6, KVM, ACS 44 to 4.5.1, Adv zone >> >>> >> >>> Lucian >> >>> >> >>> -- >> >>> Sent from the Delta quadrant using Borg technology! >> >>> >> >>> Nux! >> > > > www.nux.ro