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From Ahmad Emneina <aemne...@gmail.com>
Subject Re: Recommendations for a private cloud
Date Wed, 06 Mar 2013 21:55:52 GMT
Can you post your management server logs. Avoid set 'issues' are a symptom
of something else, not cooperating, in your cloudstack deployment.


On Wed, Mar 6, 2013 at 12:44 AM, Carlos ReƔtegui <creategui@gmail.com>wrote:

>
> On Mar 4, 2013, at 2:20 AM, Sebastien Goasguen <runseb@gmail.com> wrote:
>
> >
> > On Feb 26, 2013, at 7:07 PM, Carlos Reategui <carlos@reategui.com>
> wrote:
> >
> >> Sorry for the delay in getting back to you.  I was traveling and not
> able
> >> to work on this.
> >>
> >> I have added the NFS SR to my host.  I was also able to create a VM and
> got
> >> decent performance to the NFS based storage (90MB/s).  I did all this
> using
> >> xe command line so I believe at the very least Xen and xapi are working
> on
> >> this host with my primary storage.
> >>
> >> Unfortunately I did not have the same amount of luck with Cloudstack.  I
> >> first tried using the setup wizard but the primary storage options do
> not
> >> include "PreSetup"
> >
> > You should have seen PreSetup.
> > In the mgt server UI, if you go under infrastructure and add a zone, the
> UI will walk you through the entire setup.
> > If you click on primary storage you can add one and it should allow you
> to use PreSetup (just use the drop down).
> I only saw PreSetup in the non wizard mode.
> >
> >> option so I went back and did the manual setup of the
> >> Zone.  Everything seemed to go ok (after I added the .ssh dir in root's
> >> home dir) but it now seems like the system VMs are not starting up
> >> properly.
> >
> > Any logs ?
> I am stuck at the same place you were in your "How to get hosts out of
> 'avoid' state" thread.
>
> Strange thing is that from the UI perspective it looks like the host is
> up, but it is only in the logs that it says that the host is in the avoid
> state.
>
> How does one get 4.0.2 which apparently fixes this?  Do I need to build
> from source? I am currently using the ppa to install on ubuntu 12.04.  Do
> you know if that will get updated to 4.0.2 any time soon?
>
> >
> >> I have not tried creating an instance of my own yet (need to
> >> read up on creating an ubuntu precise template first).  I'll try to
> debug
> >> some more and will follow-up in a separate thread.
> >>
> >> -Carlos
> >>
> >>
> >>
> >> On Fri, Feb 22, 2013 at 2:57 AM, Sebastien Goasguen <runseb@gmail.com
> >wrote:
> >>
> >>>
> >>> On Feb 13, 2013, at 2:51 AM, Carlos Reategui <carlos@reategui.com>
> wrote:
> >>>
> >>>> Thanks for the pointers.
> >>>>
> >>>> On Tue, Feb 12, 2013 at 1:29 AM, Sebastien Goasguen <runseb@gmail.com
> >>>> wrote:
> >>>>
> >>>>>
> >>>>> On Feb 10, 2013, at 8:43 AM, Carlos Reategui <carlos@reategui.com>
> >>> wrote:
> >>>>>
> >>>>>> Hi All, new to CloudStack and have many questions.  I am looking
to
> >>>>>> implement a private cloud for our engineering and qa teams to
play
> >>> around
> >>>>>> and be able to launch test clusters prior to doing so in the
cloud
> >>> (AWS).
> >>>>>> I started messing around with the CloudStack installation (3.0.2)
> and
> >>>>>> setting up XCP 1.5  and 1.6 hosts and was a bit confused by
the
> >>>>> networking
> >>>>>> setup (this is all internal, the VMs won't have a public
> interface).  I
> >>>>> am
> >>>>>> now in the process of starting over.  This time with the incubating
> >>>>> release
> >>>>>> (4.0.0) and was hoping to use Ubuntu 12.04 + xapi (aka Kronos)
as it
> >>>>>> provides better support for my network hardware (BCM quad 1Gbe)
-- I
> >>> had
> >>>>> to
> >>>>>> jump through hoops to get XCP 1.5 to work and 1.6 did not work
with
> CS
> >>>>>> 3.0.2.
> >>>>>>
> >>>>>
> >>>>> Hi Carlos,
> >>>>>
> >>>>> I would use the 4.0.1 release.
> >>>>>
> >>>>
> >>>> I'll give that a try.
> >>>>
> >>>> For Ubuntu, Gerry Havinga just posted a script that helps with the
> >>>>> installation, you might want to check it out:
> >>>>>
> >>>>>
> >>>
> http://opensourcetutorials.blogspot.nl/2013/02/adding-ubuntu-1204-kvm-host-to.html
> >>>>
> >>>>
> >>>> I notice his script installs cloud-agent and cloud-system-iso, do I
> need
> >>>> those as well for xapi on ubuntu?  Or are those for KVM only.  In
> looking
> >>>> at the install docs, I don't see them mentioned in the Xenserver
> section.
> >>>
> >>> Carlos, sorry for the delay.
> >>>
> >>> If you use Xen on ubuntu. CS will use xapi. You don't need to install
> the
> >>> cloud-agent.
> >>>
> >>> The issue of needing cloud-system-iso has been fixed in 4.0.1 but this
> is
> >>> only needed for KVM.
> >>>
> >>> I will try to add some docs in the coming weeks.
> >>>
> >>>>
> >>>>
> >>>>>
> >>>>> As far as networking, the first decision will be to decide whether
> you
> >>> are
> >>>>> going to use VLANs or not. If you don't use VLANs, you will setup
a
> >>> "basic"
> >>>>> zone, if you can do VLANs you might want to setup an "advanced"
zone.
> >>>>>
> >>>>
> >>>> I don't know much about VLANs so I was going to stick with a basic
> zone.
> >>>> Especially since I don't have a need for a public network.
> >>>>
> >>>>
> >>>>> Shapeblue has some blogs that are very useful in addition to reading
> the
> >>>>> documentation:
> >>>>>
> >>>>>
> >>>
> http://www.shapeblue.com/2013/01/07/understanding-cloudstacks-physical-networking-architecture/
> >>>>>
> >>>
> http://www.shapeblue.com/2012/05/01/cloudstack-networking-considerations/
> >>>>> and:
> >>>>>
> >>>>>
> >>>
> http://www.shapeblue.com/2012/05/10/using-the-api-for-advanced-network-management/
> >>>>
> >>>>
> >>>> Thanks for these, somehow had not run across them in my google
> searches.
> >>>> Although now I am confused about the "storage" network as he explains
> >>> that
> >>>> is for secondary storage.  In my setup I was going to start with the
> >>>> management node also being the NFS storage for both primary and
> >>> secondary.
> >>>> It has a 2 10Gbe and 2 1Gbe ports. I have the 10Gbe ports going to a
> >>>> switch (dell 6224) that is physically isolated from the the rest of
> the
> >>>> network and was planning on only having NFS traffic on that.  Should
I
> >>> also
> >>>> configure that to be my "management" network?
> >>>
> >>> I am not an authority on this. But I believe that you could define a
> >>> storage network as long as the hosts can access it.
> >>> If you don't define a storage network the storage traffic will go over
> the
> >>> management network.
> >>>
> >>>>
> >>>> Anyhow I have made some progress with 4.0 but got stuck not being
> able to
> >>>> add a host, which I am pretty sure has to do with my host network
> >>>> settings/labels.  Also the management server seems to think my
> "storage"
> >>> ip
> >>>> (172.30.19.10) is the management network (there is an alarm saying the
> >>>> management server node is up on that ip).  How do I change that?
> >>>> Also I see a couple other alarms: "management network CIDR is not
> >>>> configured originally. set it default to 172.30.45.0/24" and "no
> usage
> >>>> server process running".  Should I worry about that.
> >>>>
> >>>> I have updated to 4.0.1 and will try to figure out my host network as
> "xe
> >>>> network-list" does not seem to match what I have actually configured.
> >>>
> >>> Give us an update on this, as your email was 10 days ago, you may have
> >>> made progress.
> >>>
> >>>>
> >>>>>
> >>>>>
> >>>>> -Sebastien
> >>>>>
> >>>>>
> >>>>>> Has anyone had any success with 12.04 + xapi for the nodes?
 The
> script
> >>>>> to
> >>>>>> add nodes seems to know about Kronos.  If this won't work is
there a
> >>>>>> preferred Xen host with somewhat up to date drivers (for a Dell
R620
> >>> with
> >>>>>> BCM 5720 Quad)?
> >>>>>>
> >>>>>> Regarding the network setup, what is the recommended setup with
4
> 1Gbe
> >>>>>> ports?  I already have a separate storage network (NFS server
has a
> >>> 10Gbe
> >>>>>> link) so I was thinking of bonding 2 ports for storage and 2
for
> >>>>>> management/VM traffic.  Does this make sense to bond the second
> pair?
> >>>>> Do I
> >>>>>> need separate subnets for management and vm network or are different
> >>>>> ranges
> >>>>>> within the same subnet enough (security is not a concern in
my
> >>>>> deployment).
> >>>>>> Currently, corporate IS is providing me a subnet with DHCP.
 Is that
> >>>>> going
> >>>>>> to be a problem for CS?
> >>>>>>
> >>>>>> I do have the option of adding another dual or quad port card.
 If I
> >>> do,
> >>>>>> what would the recommended setup be?  The nodes have 2x8core
CPU
> with
> >>>>> 64GB
> >>>>>> RAM.
> >>>>>>
> >>>>>> I definitely appreciate any pointers to help me off the ground.
> >>>>>>
> >>>>>> thank you,
> >>>>>> Carlos
> >>>>>
> >>>>>
> >>>
> >>>
> >
>
>

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