Server/blade is HBA 8Gb FC connectivity with switch. Its more then enough:) 13 апр. 2016 г. 10:57 пользователь "Paul Angus" <paul.an...@shapeblue.com> написал:
> I'd agree with that. Memory is nearly always the limiting factor when it > comes to VMs per host. > > -- unless you're talking about blades, and then you have to start looking > carefully at the connectivity between the chassis and the switch fabric. > > > Kind regards, > > Paul Angus > > Regards, > > Paul Angus > > paul.an...@shapeblue.com > www.shapeblue.com > 53 Chandos Place, Covent Garden, London WC2N 4HSUK > @shapeblue > > -----Original Message----- > From: uabstarn...@gmail.com [mailto:uabstarn...@gmail.com] On Behalf Of > Mindaugas Milinavicius > Sent: 11 April 2016 13:53 > To: users@cloudstack.apache.org > Subject: Re: VM per HOST? > > Thank you, i'm thinking something like that too..... > > > > > Pagarbiai > Mindaugas Milinavičius > UAB STARNITA > Direktorius > http://www.clustspace.com > LT: +37068882880 > RU: +79651806396 > > Tomorrow's posibilities today > <http://www.clustspace.com/> > > - 1 Core, 512MB RAM, 20GB SSD, 1Gbps, Unlimited, Location: Romania, Los > Angeles, Ashburn Washington - 11EUR > - 1 Core, 1024MB RAM, 30GB SSD, 1Gbps, Unlimited, Location: Romania, Los > Angeles, Ashburn Washington - 18,7EUR > - 2 Cores, 2048MB RAM, 40GB SSD, 1Gbps, Unlimited, Location: Romania, > Los Angeles, Ashburn Washington - 27,5EUR > - 4 Cores, 4096MB RAM, 100GB SSD, 1Gbps, Unlimited, Location: Romania, > Los Angeles, Ashburn Washington - 46EUR > > > On Mon, Apr 11, 2016 at 3:49 PM, Stavros Konstantaras < > s.konstanta...@uva.nl > > wrote: > > > In our case (general purpose VMs) we decided to have the system's RAM > > as the reference point to create our VM limit. For example, if the > > server has 128GBs of RAM and the default VM profile is 1 vCPU + 4Gbs > > RAM, then our upper limit is roughly 30VMs per server. > > > > Over provisioning the CPU is usually not a problem but over > > provisioning the RAM can be the start of many problems . > > > > Kind Regards > > Stavros > > > > ---------------------------- > > Stavros Konstantaras > > Science faculty Research IT support (FEIOG) University of Amsterdam, > > Science Park 904, 1098 XH > > > > Fingerprint: E5E5 9B19 D1CD 88CD 4763 3465 A8DC 7C92 330F D59A > > > > > On 11 Apr 2016, at 13:09, Erik Weber <terbol...@gmail.com> wrote: > > > > > > On Mon, Apr 11, 2016 at 1:02 PM, Mindaugas Milinavičius < > > > mindau...@clustspace.com> wrote: > > > > > >> Hello, > > >> > > >> how many VM's do you creating per host? > > >> What you prefer E5-2650v3 or E5-2630v3 (less power, 2x cheaper CPU, > > >> and only ±20% less benchmark) > > >> > > >> > > > I'd say it depends on the workload. For generic purpose VMs CPU is > > usually > > > not the bottleneck and personally I'd pick the cheaper one. > > > > > > You should look into v4 CPUs while at it. > > > > > > -- > > > Erik > > > > >
