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From: Lucas Berri Cristofolini <lucascristofolini@gmail.com>
Date: Sat, 11 Mar 2017 17:50:13 -0300
Message-ID: <CAJ7cBrKkaXg+gdHtdXWDhkuyd9mrTVdCWuby_saJEbA+9LhAFw@mail.gmail.com>
Subject: Re: Problem Adding the Host
To: users@cloudstack.apache.org
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archived-at: Sat, 11 Mar 2017 20:56:35 -0000

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I think the 'tutorial' Muhammad is referring to is this:
https://help.ubuntu.com/community/KVM/Networking#Private_Virtual_Switch_.28=
Guest-Only_Network.29

In which case, as far as the specific section Rafael linked, there isn't
anything Ubuntu-specific and should work for any Linux distribution.

On Sat, Mar 11, 2017 at 4:15 PM, Rafael Weing=C3=A4rtner <
rafaelweingartner@gmail.com> wrote:

> What tutorial?
>
> I only shared a figure to examplify the deploymennt I was using
>
> On Sat, Mar 11, 2017 at 2:13 PM, Muhammad Adeel Zahid <
> 16030053@lums.edu.pk>
> wrote:
>
> > I was going through the tutorial you shared. It is basically for Ubuntu=
.
> > Does it work for CentOS as well? Is there an equivalent guide for CentO=
S?
> >
> >
> > ________________________________
> > From: Muhammad Adeel Zahid <16030053@lums.edu.pk>
> > Sent: Saturday, March 11, 2017 2:31:10 AM
> > To: users@cloudstack.apache.org
> > Subject: Re: Problem Adding the Host
> >
> > Yep, I was talking about that. Sorry for my ignorence [??]
> >
> > ________________________________
> > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > Sent: Saturday, March 11, 2017 2:18:34 AM
> > To: users@cloudstack.apache.org
> > Subject: Re: Problem Adding the Host
> >
> > Are you talking about this sentence "I have created an environment just
> > like that using Virtualbox"? Virtualbox here, is the Virtualbox itself =
a
> > hosted hypervisor.
> >
> > Ah, now I got your deployment scenario. Here is a picture of the
> scenario I
> > described [2].
> >
> > [1] https://www.virtualbox.org/
> > [2]
> > https://docs.google.com/drawings/d/1_o6KtjAel3rH5hCJbuBdjU1u0M-
> > dIXOr0MpJXuV40JQ/edit?usp=3Dsharing
> >
> > On Fri, Mar 10, 2017 at 3:56 PM, Muhammad Adeel Zahid <
> > 16030053@lums.edu.pk>
> > wrote:
> >
> > > I am not sure, I understand it in entirety but I can see the big
> picture
> > > nevertheless. A bit of terminology confuses me. When you say the
> virtual
> > > box, do you take the assumption that I am using some kind of VM like
> > VMWare
> > > or something for installing KVM and ACS?
> > >
> > > To clarify a bit, I have installed ACS and KVM natively on a single
> > > machine and this single machine is acting both as management server a=
nd
> > > KVM. I am banking on ACS and KVM to do all the virtualization. Before
> > this
> > > there is no virtual machine.
> > >
> > > ________________________________
> > > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > > Sent: Saturday, March 11, 2017 1:48:47 AM
> > > To: users@cloudstack.apache.org
> > > Subject: Re: Problem Adding the Host
> > >
> > > Ok, I think you can take a look here:
> > > https://help.ubuntu.com/community/KVM/Networking#
> Private_Virtual_Switch_
> > .
> > > 28Guest-Only_Network.29
> > >
> > > What I meant is the following: create four networks of that type. The=
se
> > > networks will be between your KVM box and the VMs, which will run ACS=
,
> > NFS,
> > > and hypervisors hosts (KVM?). Let=E2=80=99s call them Network1, Netwo=
rk2,
> > Network3,
> > > Network4.
> > >
> > > You then attach each one of these VMs in each one of the networks,
> every
> > VM
> > > will have 4 NICs. Then, you select a network to be the public one
> (let=E2=80=99s
> > > say network 4). Then, you can create a forwarding rule for your KVM
> box,
> > to
> > > forward packets from the public network (network 4) to the world. You=
r
> > box
> > > will then work as a router for the VMs public network. Do not forget,
> > that
> > > the NIC attached Network 4 has to be the Public NIC configured in ACS=
.
> > >
> > > I have created an environment just like that using Virtualbox, I used=
 4
> > > VMs, one for ACS, one for the NFS, and two for hosts (I used XenServe=
r)
> > >
> > > Did you understand what I tried to explain?
> > >
> > > On Fri, Mar 10, 2017 at 3:37 PM, Muhammad Adeel Zahid <
> > > 16030053@lums.edu.pk>
> > > wrote:
> > >
> > > > I am using KVM
> > > >
> > > > ________________________________
> > > > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > > > Sent: Saturday, March 11, 2017 1:36:12 AM
> > > > To: users@cloudstack.apache.org
> > > > Subject: Re: Problem Adding the Host
> > > >
> > > > What technology are you using to create these VMs in the box you
> have?
> > > > Virtualbox? KVM?
> > > >
> > > > On Fri, Mar 10, 2017 at 3:34 PM, Muhammad Adeel Zahid <
> > > > 16030053@lums.edu.pk>
> > > > wrote:
> > > >
> > > > > Why are tyring to use external network system?
> > > > >
> > > > >
> > > > > To gain the internet access for download/install all  the require=
d
> > ACS
> > > > > pacakges.
> > > > >
> > > > >
> > > > > You can configure 4 virtual network devices........
> > > > >
> > > > > I am not sure, I understand this part. I am very new to Linux
> > > environment
> > > > > and don't know how to do what you just said. Can you point me to
> some
> > > > > relevant readings/tutorials for the said configuration so I can
> keep
> > > > > bothering frequently [??]
> > > > >
> > > > >
> > > > > Regards
> > > > >
> > > > > Adeel
> > > > >
> > > > > ________________________________
> > > > > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > > > > Sent: Saturday, March 11, 2017 12:51:38 AM
> > > > > To: users@cloudstack.apache.org
> > > > > Subject: Re: Problem Adding the Host
> > > > >
> > > > > Hmm, so why are trying to use the external network system?
> > > > >
> > > > > You can configure 4 virtual network devices between your host and
> the
> > > > > virtual machines you created to deploy ACS (attach ACS and hosts
> VMs
> > to
> > > > > these networks). Then, you select one of these networks to be the
> > > public
> > > > > one. For the public network, you can create iptables (or other
> > routing
> > > > > mechanism) to forward packets coming from the public virtual
> network
> > to
> > > > > your box public network. Then, you would be independent of the
> > external
> > > > > network.
> > > > >
> > > > > On Fri, Mar 10, 2017 at 2:23 PM, Muhammad Adeel Zahid <
> > > > > 16030053@lums.edu.pk>
> > > > > wrote:
> > > > >
> > > > > > Yes, in a single box
> > > > > >
> > > > > > ________________________________
> > > > > > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > > > > > Sent: Friday, March 10, 2017 11:54:03 PM
> > > > > > To: users@cloudstack.apache.org
> > > > > > Subject: Re: Problem Adding the Host
> > > > > >
> > > > > > Are you trying to setup everything in a single box?
> > > > > >
> > > > > > On Fri, Mar 10, 2017 at 1:44 PM, Muhammad Adeel Zahid <
> > > > > > 16030053@lums.edu.pk>
> > > > > > wrote:
> > > > > >
> > > > > > > I am just creating the environment for testing purposes and I
> am
> > > > > behind a
> > > > > > > network on which I have no control.
> > > > > > >
> > > > > > > ________________________________
> > > > > > > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > > > > > > Sent: Friday, March 10, 2017 10:13:29 PM
> > > > > > > To: users@cloudstack.apache.org
> > > > > > > Subject: Re: Problem Adding the Host
> > > > > > >
> > > > > > > I got a little confused now.
> > > > > > > Are you creating a POC? Just an environment for testing
> purpose?
> > > > > > >
> > > > > > > On Fri, Mar 10, 2017 at 11:56 AM, Muhammad Adeel Zahid <
> > > > > > > 16030053@lums.edu.pk
> > > > > > > > wrote:
> > > > > > >
> > > > > > > > Yep, my SSVM is running and I can connect to it using ssh
> from
> > > the
> > > > > > > > management server.  The mount problem is solved by stopping
> the
> > > > > > Iptables
> > > > > > > > service on the nfs server. After that, SSVM was able to mou=
nt
> > the
> > > > > > storage
> > > > > > > > successfully.
> > > > > > > >
> > > > > > > > Next problem I am having is that the SSVM fails when
> > downloading
> > > > the
> > > > > > > > template. It cannot resolve the dns for download.cloud.com,
> > > which
> > > > is
> > > > > > > > understandable to me because, as I posted the EDIT 1 in my =
SO
> > > > > question,
> > > > > > > My
> > > > > > > > CentOS machine (only one machine running both management
> server
> > > and
> > > > > > kvm)
> > > > > > > is
> > > > > > > > connected to a windows network that assigns addresses using
> > dhcp.
> > > > > Even
> > > > > > > > worse, the addresses are /23.
> > > > > > > >
> > > > > > > >
> > > > > > > > To work around the problem, I do not change the network
> > > > configuration
> > > > > > > > (static IP of /24) until I install the required packages.
> > Because
> > > > if
> > > > > I
> > > > > > > do,
> > > > > > > > I lose the internet connection that comes through /23
> network.
> > So
> > > > > when
> > > > > > > all
> > > > > > > > my packages are installed, I change the IP to static like
> > > > 172.16.10.2
> > > > > > > (same
> > > > > > > > as in the guide) which obviously disconnects me from
> internet.
> > > > After
> > > > > > > that I
> > > > > > > > run the database setup, management setup and agent setup as
> > > > described
> > > > > > in
> > > > > > > > the guide. Everything is working fine but tmpelates fail to
> > > > download
> > > > > > due
> > > > > > > to
> > > > > > > > this network & IP problem.
> > > > > > > >
> > > > > > > >
> > > > > > > > Any ideas, what are the options for me under given
> constraints?
> > > > > > > >
> > > > > > > >
> > > > > > > > Regards
> > > > > > > >
> > > > > > > > Adeel
> > > > > > > >
> > > > > > > > ________________________________
> > > > > > > > From: Rafael Weing=C3=A4rtner <rafaelweingartner@gmail.com>
> > > > > > > > Sent: Friday, March 10, 2017 6:05:15 PM
> > > > > > > > To: users@cloudstack.apache.org
> > > > > > > > Subject: Re: Problem Adding the Host
> > > > > > > >
> > > > > > > > Is your SSVM running? Does it have access to the world? Do
> your
> > > > hosts
> > > > > > > have
> > > > > > > > access to the primary/secondary storage? Have you tried to
> > mount
> > > > the
> > > > > > > > storage mounts in your hosts manually to check if they are
> > > working?
> > > > > > > >
> > > > > > > > On Fri, Mar 10, 2017 at 7:34 AM, Muhammad Adeel Zahid <
> > > > > > > > 16030053@lums.edu.pk>
> > > > > > > > wrote:
> > > > > > > >
> > > > > > > > > Hi,
> > > > > > > > >
> > > > > > > > > I just installed the apache cloudstack on CentOS 6.8
> machine
> > > with
> > > > > KVM
> > > > > > > > > hypervisor. I am using the version 4.9 of the cloudstack.
> The
> > > > > > > management
> > > > > > > > > server is up and running and but I am unable to add the
> > > instances
> > > > > > from
> > > > > > > > the
> > > > > > > > > web UI interface. I have put down my problem in detail on
> > this
> > > SO
> > > > > > > > question<
> > > > > > > > > http://stackoverflow.com/questions/42704388/apache-
> > > > > > > > > cloudstack-no-templates-showing-when-adding-instance>. Ca=
n
> > you
> > > > > > please
> > > > > > > > > guide me how do I solve this problem?
> > > > > > > > >
> > > > > > > > >
> > > > > > > > > Regards
> > > > > > > > >
> > > > > > > > > Adeel
> > > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > >
> > > > > > > > --
> > > > > > > > Rafael Weing=C3=A4rtner
> > > > > > > >
> > > > > > >
> > > > > > >
> > > > > > >
> > > > > > > --
> > > > > > > Rafael Weing=C3=A4rtner
> > > > > > >
> > > > > >
> > > > > >
> > > > > >
> > > > > > --
> > > > > > Rafael Weing=C3=A4rtner
> > > > > >
> > > > >
> > > > >
> > > > >
> > > > > --
> > > > > Rafael Weing=C3=A4rtner
> > > > >
> > > >
> > > >
> > > >
> > > > --
> > > > Rafael Weing=C3=A4rtner
> > > >
> > >
> > >
> > >
> > > --
> > > Rafael Weing=C3=A4rtner
> > >
> >
> >
> >
> > --
> > Rafael Weing=C3=A4rtner
> >
>
>
>
> --
> Rafael Weing=C3=A4rtner
>

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