Moving to new infra vendor for the oVirt project

[Kiril Nesenko]

----- Original Message -----
> From: "Eyal Edri" <eedri at redhat.com>
> To: "infra" <infra at ovirt.org>
> Sent: Thursday, December 19, 2013 8:43:16 AM
> Subject: Moving to new infra vendor for the oVirt project
> 
> Hi,
> 
> Due to some technical difficulties and current experience we have decide to
> switch hosting provider for the oVirt project,
> to host mostly the Jenkins infra (jenkins slave mostly), but potentially
> alterway servers as well (for production servers).
> 
> I would like to hear your thoughts about which servers and HW requirements we
> need for the infra.
> 
> The proposed infra layout:
> ===========================
> 1. ovirt-engine 3.3.x stable manager to run on a VM[1]
> 2. 3 bare-metal servers to serve as hypervisors for jenkins slaves and nested
> vms for automation tests. [2]
>    we'll expect to run at least 4 VMs on each hypervisor for various jenkins
>    slaves, and have the ability to take one host for maintanance w/o
>    affecting the
>    infra downtime too much.
> 3. external storage for a storage domain (NFS or ISCSI) and backups for all
> oVirt services. [3]

+1 for NFS


> 4. possibly manage alterway servers on the same ovirt-engine instance if
> performance won't decline.
>    (we can request for a european datacenter if that will reduce latency).
>    we might want to install another foreman-proxy on that DC to allow
>    installing VMs locally.
>    we will want to migrate the jenkins server which is hosted on bare-metal
>    now on alterway to a VM as well.
> 5. fast network connection [4]
> 
> We need to decide on the optimal hardware for this infrastructure, going
> forward with the oVirt project expanding
> and needing more resources.
> 
> an initial estimation for the hardware: (feel free to pitch in and
> propose/change)
> =======================================
> [1] engine VM should have 16GB RAM and 200GB disk, i'm not sure about which
> CPU will be optimal yet - thoughts?
> [2] bare metal hosts should have 48GB ram (with option to expand to 96 if
> needed), no need for too much HD space if we're
>     going to use external storage servers. available servers are:
>     http://www.softlayer.com/dedicated-servers/dual-processor-servers
> [3] 2TB NAS or Iscsi storage for hosting backups and storage domain for all
> the VMs
> [4] they offer public bandwitch of 5000GB, and a choise of uplink speeds -
> 100mbps for public and private network for no-extra charge
>     or 1GBPS uplink for extra cost.
> 
> ** current infra on RAX **
> 
> our current infra on RAX includes: (generally was OK, but not great
> performance, low of storage, and slow since we uses local storage)
> 3 RAX is DELL PowerEdge R720, with specs:
> 
>  32 GB DELL RAM, GB Memory: 32
>  Single Socket Six Core Intel Xeon E5-2640 2.5GHz, #Processors: 1, #Cores per
>  Proc: 6
>  Hard Drive 100GB-2TB (only one server with 2TB, others have 100/300 GB) SAS
>  7.2K RPM Drive, HDD RPM: 7200, GB Hard Drive: 2048
>  1GB network.
> 
> 
> please weigh in your input asap, so we can push forward with migrating to the
> new infra,
> 
> Eyal.
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