Dear Dag, Thank you for your answer.
>As already mentioned - with newer versions of CloudStack more issues will have >been fixed and you will be less likely >to have any problems. I understand your suggestion. I will do it. Regards. ************************************************** Ryota Maruko Hitachi Solusions East Japan,Ltd. HPC Group PHS：070-6954-1466 FAX:022-266-2247 mailto:ryota.maruko...@hitachi-solutions.com ************************************************** >-----Original Message----- >From: Dag Sonstebo [mailto:dag.sonst...@shapeblue.com] >Sent: Tuesday, January 12, 2016 6:33 PM >To: users@cloudstack.apache.org >Subject: [!]Re: CloudStack4.2.1 dnsmasq service down on VR > >Hi Ryota, > >as pointed out by Makrand it can sometimes happen, mainly in environments with >high VR load / throughput. In some cases >we do advise an upgrade of the system VM service offering to give then more >CPU and Memory resources, but I wouldn’t suggest >that in your case without knowing the full picture. > >As already mentioned - with newer versions of CloudStack more issues will have >been fixed and you will be less likely >to have any problems. > >Regards, > >Dag Sonstebo >Cloud Architect >ShapeBlue > > > > > > >On 12/01/2016, 07:46, "Makrand" <makrandsa...@gmail.com> wrote: > >>Ryota, >> >>I've observed many issue with VR (CS 4.3), especially when they are running >>for long time and handle considerable amount of traffic (more number of >>VMs). Sometimes you will have /var full and sometimes VRs just don't hand >>out any IPs to newly created VMs. Doing (clean) network restart works for >>90% of networks issues. I believe newer versions of CS have much better >>templates for VR and less issues. >> >>Was there much activity happening on your VR when dnsmsq service stopped? >> >>Makrand >> >>On Tue, Jan 12, 2016 at 11:32 AM, 丸子良太 / MARUKO，RYOUTA < >>ryota.maruko...@hitachi-solutions.com> wrote: >> >>> Dear Dag, >>> >>> Thank you for your answer. >>> >>> I checked the VR log(/var/log/kern.log). >>> It shows that the VR had been out of memory, >>> and OOMKiller on VR occurred to stop apache2 & dnsmasq service. >>> >>> Do you have a such experience(out of memory on the VR)? >>> >>> Regards >>> >>> ************************************************** >>> Ryota Maruko >>> Hitachi Solusions East Japan,Ltd. >>> HPC Group >>> PHS：070-6954-1466 FAX:022-266-2247 >>> mailto:ryota.maruko...@hitachi-solutions.com >>> ************************************************** >>> >>> >-----Original Message----- >>> >From: Dag Sonstebo [mailto:dag.sonst...@shapeblue.com] >>> >Sent: Thursday, January 07, 2016 6:27 PM >>> >To: users@cloudstack.apache.org >>> >Subject: [!]Re: CloudStack4.2.1 dnsmasq service down on VR >>> > >>> >Hi Ryouta, >>> > >>> >there shouldn’t be any requirements for restarting VRs on a regular >>> basis, but obviously do it (or restart network with >>> >cleanup) when you hit problems. >>> > >>> >Having your VR up for a year is not bad going, and there could obviously >>> be a number of root causes for the dnsmasq service >>> >stopping. Also keep in mind 4.2 is a few years old now, and any issues or >>> bugs will most likely be fixed in later releases. >>> > >>> >Regards, >>> > >>> >Dag Sonstebo >>> >Cloud Architect >>> >ShapeBlue >>> > >>> > >>> > >>> > >>> > >>> > >>> > >>> >ShapeBlue <http://www.shapeblue.com> Dag Sonstebo >>> >ShapeBlue >>> >d: | s: +44 203 603 0540 <tel:|%20s:%20+44%20203%20603%200540> >>> >e: dag.sonst...@shapeblue.com | t: <mailto: >>> dag.sonst...@shapeblue.com%20|%20t:> | w: >>> >www.shapeblue.com <http://www.shapeblue.com> >>> >a: 53 Chandos Place, Covent Garden London WC2N 4HS UK >>> > >>> >Shape Blue Ltd is a company incorporated in England & Wales. ShapeBlue >>> Services India LLP is a company incorporated in >>> >India and is operated under license from Shape Blue Ltd. Shape Blue >>> Brasil Consultoria Ltda is a company incorporated >>> >in Brasil and is operated under license from Shape Blue Ltd. ShapeBlue SA >>> Pty Ltd is a company registered by The Republic >>> >of South Africa and is traded under license from Shape Blue Ltd. >>> ShapeBlue is a registered trademark. >>> >This email and any attachments to it may be confidential and are intended >>> solely for the use of the individual to whom >>> >it is addressed. Any views or opinions expressed are solely those of the >>> author and do not necessarily represent those >>> >of Shape Blue Ltd or related companies. If you are not the intended >>> recipient of this email, you must neither take any >>> >action based upon its contents, nor copy or show it to anyone. Please >>> contact the sender if you believe you have received >>> >this email in error. >>> > >>> > >>> > >>> >On 07/01/2016, 06:07, "丸子良太 / MARUKO，RYOUTA" < >>> ryota.maruko...@hitachi-solutions.com> wrote: >>> > >>> >>Hello. >>> >> >>> >>Please tearch me about the problem. >>> >> >>> >>I made 2 VMs(VM1/VM2) one year ago. >>> >>A few days ago, I tried to ping from VM1 to VM2. >>> >>But it was unrearchable, previously it was no problem. >>> >> >>> >>"# ping VM2.domainXXX" (.domainXXX is the guestnetwork setting domain) >>> >> >>> >>I checked up the VR log, So "dnsmasq" service on VR was down. >>> >>I don't know why the service was down. >>> >>Will it be better that I periodically restart VR? >>> >> >>> >>~~~~~~ >>> >>CloudStack 4.2.1 >>> >>XenServer 6.1.0 >>> >>~~~~~~ >>> >> >>> >>Regard. >>> >> >>> > >>> >Find out more about ShapeBlue and our range of CloudStack related >>> services: >>> >IaaS Cloud Design & Build < >>> http://shapeblue.com/iaas-cloud-design-and-build//> | CSForge – rapid >>> IaaS deployment >>> >framework <http://shapeblue.com/csforge/> >>> >CloudStack Consulting <http://shapeblue.com/cloudstack-consultancy/> | >>> CloudStack Software Engineering >>> ><http://shapeblue.com/cloudstack-software-engineering/> >>> >CloudStack Infrastructure Support < >>> http://shapeblue.com/cloudstack-infrastructure-support/> | CloudStack >>> Bootcamp >>> >Training Courses <http://shapeblue.com/cloudstack-training/> >>> >>> >> >> >>-- >>Best, >>Makrand >Find out more about ShapeBlue and our range of CloudStack related services: >IaaS Cloud Design & Build<http://shapeblue.com/iaas-cloud-design-and-build//> >| CSForge – rapid IaaS deployment >framework<http://shapeblue.com/csforge/> >CloudStack Consulting<http://shapeblue.com/cloudstack-consultancy/> | >CloudStack Software >Engineering<http://shapeblue.com/cloudstack-software-engineering/> >CloudStack Infrastructure >Support<http://shapeblue.com/cloudstack-infrastructure-support/> | CloudStack >Bootcamp >Training Courses<http://shapeblue.com/cloudstack-training/>
