[SAC] OSGeo Ganeti Cluster

Sandro Santilli strk at kbt.io
Fri Jan 19 10:55:10 PST 2018


How hard would it be to also add more CPU slices to an existing VM ?
I'm thinking about TracSVN, which according to Munin has "steal"
events ...

--strk;

On Thu, Jan 18, 2018 at 12:56:55PM -0800, Lance Albertson wrote:
> Mind submitting a new ticket for that via support at osuosl.org? Also please
> include what hostname you want to give it.
> 
> Thanks!
> 
> On Thu, Jan 18, 2018 at 12:53 PM, Alex M <tech_dev at wildintellect.com> wrote:
> 
> > Lance,
> >
> > We're currently shopping for the new machine, and figuring out how we
> > want to migrate off the older hardware.
> >
> > In the meantime could we request a VM on your ganeti cluster to explore
> > if we want to try hosting more things on your systems instead of our own?
> > We'd like a Debian 9, with 2 cpu, 4 GB Ram, 100 GB hard drive.
> >
> > We can supply ssh keys for access to root to configure the VM once up.
> >
> > Thanks,
> > Alex
> > OSGeo Sys Admin
> >
> >
> > On 12/14/2017 04:41 PM, Lance Albertson wrote:
> > > On Thu, Dec 14, 2017 at 2:46 PM, Alex M <tech_dev at wildintellect.com>
> > wrote:
> > >>
> > >> I would say I don't trust osgeo4.
> > >>
> > >> I believe it has a failed drive in it's raid, that we did not replace in
> > >> anticipation of moving to new hardware. Also because it already burned
> > >> through a couple of replacements, and the raid rebuild times were
> > >> agonizing.
> > >>
> > >
> > > ​Right, I had forgotten that its in a failed drive state.​
> > >
> > >
> > >> osgeo6, is already in, and is the replacement machine for osgeo4, we
> > >> just haven't finished moving everything off. osgeo6 does not run ganeti
> > >> or kvm at this time. We have debated if it should.
> > >>
> > >> I'm not sure we are using drbd for an instances anymore. Would it be
> > >> simpler to remove ganeti? Or is it possible to use other ganeti machines
> > >> you have as the 2nd disks for the shuffle and upgrade?
> > >>
> > >
> > > ​You can't mixed Ganeti clusters ​unfortunately so we'd have to add a
> > > completely new node.
> > >
> > >
> > >> The new machine we are discussing is osgeo7 a replacement for osgeo3.
> > >>
> > >
> > > ​*nods*​
> > >
> > >
> > >> Lance, what's the rack and PDU situation? If there is room we can order
> > >> it sooner. Last I knew we needed to get osgeo4 off and out before we
> > >> could add anything else. If there is room we can order sooner.
> > >>
> > >
> > > ​We have plenty of room now​ so feel free to get that started.
> > >
> > > Alternate option, what would be the cost if we just want to buy in to
> > >> existing Ganeti VM services OSUOSL is running? We aren't 100% sure the
> > >> direction we are going with containers, virtualization, and cloud
> > >> services. So an OSUOSL offer of "cloud" virtualization might be an
> > option.
> > >>
> > >
> > > ​​Our primary VM infrastructure is still based on Ganeti, however we've
> > > been exploring using OpenStack as an alternative for more elastic needs.
> > > We've been running an OpenStack cluster for the past several years on the
> > > ppc64le platform, but we haven't created a cluster for x86 yet. I was
> > > hoping we'd get something like that deployed sometime next year, but it
> > > depends on various factors.
> > >
> > > What exactly are your needs in the medium and long term? We could put you
> > > on our primary Ganeti cluster but we have to be careful with any I/O
> > > intensive VMs so they don't impact other users.
> > >
> > > Thanks-
> > >
> >
> >
> 
> 
> -- 
> Lance Albertson
> Director
> Oregon State University | Open Source Lab


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