Re: [ovirt-users] FQDN for vm creating with hosted-engine

2014-12-18 Thread Nikolai Sednev
FQDN convention should be following your organizational domain conventions, as 
long as FQDNS reachable via DNS, should work just fine. 
Normally from the beginning you don't have to edit manually /etc/hosts at all, 
once your HE-VM getting the same IP from reserved range of DHCP IP addresses 
and DNS has its FQDN in its records, since your hosts during 
hosted-engine-deployment will be given already known FQDN of the HE-VM instead 
of its IP, then hosts will get to HE-VM via DNS. 

Using reserved IP address range advised, as during some time, if you're using 
IP addresses from dynamic pool, you'll eventually will loose connectivity to 
your HE-VM, as it's IP will be updated after lease time expires or renewed. 

For repeated HE installations with same FQDN for the engine desired, to get 
always the same IP address for HE-VM, each time you're deploying it, you will 
have to write down it's MAC address, so when asked during deployment to provide 
MAC address for HE-VM, you'll just write manually the same MAC address (that 
very MAC address, that is already matched in reserved DHCP IP-MAC pair), this 
will ensure that your HE-VM will receive then the same IP address from DHCP and 
will resolve to FQDN in DNS database records. 



Thanks in advance. 

Best regards, 
Nikolai 
 
Nikolai Sednev 
Senior Quality Engineer at Compute team 
Red Hat Israel 
34 Jerusalem Road, 
Ra'anana, Israel 43501 

Tel: +972 9 7692043 
Mobile: +972 52 7342734 
Email: nsed...@redhat.com 
IRC: nsednev 

- Original Message -

From: Cong Yue cong_...@alliedtelesis.com 
To: nsed...@redhat.com, Yedidyah Bar David d...@redhat.com 
Cc: users@ovirt.org 
Sent: Wednesday, December 17, 2014 6:41:54 PM 
Subject: RE: FQDN for vm creating with hosted-engine 

--- 
FQDN or fully qualified domain name means that you have to reserve in your DNS 
a name corresponding to IP received by HE VM from DHCP. 
IP address should be reserved for the VM at DHCP. 

I advise not to use manual IP to FQDN at your host, as this will lead to many 
confusions, especially when you'll have more than a single host machine, but 
you always can configure at your /etc/hosts file the FQDN corresponding to IP 
address given to HE VM. 
--- 
Thanks for the explanation. Now I understand what FQDN is for Ovirt. Is there 
any problem if I do not use the naming convention like aaa.bbb.ccc, but only 
aaa? 
Also I am some confused for the above explanation. Here it said the IP for VM 
is better to be got from DHCP rather than manual IP. If so, do this mean I need 
to change all /etc/hosts file of all virt nodes to update the IP for the FQDN 
for engine VM? 
What is the confusions if I use manual IP rather than DHCP for engine VM? 

Thanks, 
Cong 


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users-requ...@ovirt.org 
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Today's Topics: 

1. 1. FQDN for vm creating with hosted-engine (Yue, Cong) 
(Nikolai Sednev) 


-- 

Message: 1 
Date: Wed, 17 Dec 2014 04:16:33 -0500 (EST) 
From: Nikolai Sednev nsed...@redhat.com 
To: users@ovirt.org 
Subject: [ovirt-users] 1. FQDN for vm creating with hosted-engine 
(Yue, Cong) 
Message-ID: 
2080226028.11273252.1418807793775.javamail.zim...@redhat.com 
Content-Type: text/plain; charset=utf-8 

FQDN or fully qualified domain name means that you have to reserve in your DNS 
a name corresponding to IP received by HE VM from DHCP. 
IP address should be reserved for the VM at DHCP. 

I advise not to use manual IP to FQDN at your host, as this will lead to many 
confusions, especially when you'll have more than a single host machine, but 
you always can configure at your /etc/hosts file the FQDN corresponding to IP 
address given to HE VM. 





Thanks in advance. 

Best regards, 
Nikolai 
 
Nikolai Sednev 
Senior Quality Engineer at Compute team Red Hat Israel 
34 Jerusalem Road, 
Ra'anana, Israel 43501 

Tel: +972 9 7692043 
Mobile: +972 52 7342734 
Email: nsed...@redhat.com 
IRC: nsednev 

- Original Message - 

From: users-requ...@ovirt.org 
To: users@ovirt.org 
Sent: Wednesday, December 17, 2014 1:19:12 AM 
Subject: Users Digest, Vol 39, Issue 104 

Send Users mailing list submissions to 
users@ovirt.org 

To subscribe or unsubscribe via the World Wide Web, visit 
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or, via email, send a message 

Re: [ovirt-users] FQDN for vm creating with hosted-engine

2014-12-17 Thread Yue, Cong
---
FQDN or fully qualified domain name means that you have to reserve in your DNS 
a name corresponding to IP received by HE VM from DHCP.
IP address should be reserved for the VM at DHCP.

I advise not to use manual IP to FQDN at your host, as this will lead to many 
confusions, especially when you'll have more than a single host machine, but 
you always can configure at your /etc/hosts file the FQDN corresponding to IP 
address given to HE VM.
---
Thanks for the explanation. Now I understand what FQDN is for Ovirt. Is there 
any problem if I do not use the naming convention like aaa.bbb.ccc, but only 
aaa?
Also I am some confused for the above explanation.  Here it said the IP for VM 
is better to be got from DHCP rather than manual IP. If so, do this mean I need 
to change all /etc/hosts file of all virt nodes to update the IP for the FQDN 
for engine VM?
What is the confusions if I use manual IP rather than DHCP for engine VM?

Thanks,
Cong


-Original Message-
From: users-boun...@ovirt.org [mailto:users-boun...@ovirt.org] On Behalf Of 
users-requ...@ovirt.org
Sent: Wednesday, December 17, 2014 1:17 AM
To: users@ovirt.org
Subject: Users Digest, Vol 39, Issue 107

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When replying, please edit your Subject line so it is more specific than Re: 
Contents of Users digest...


Today's Topics:

   1.  1.  FQDN for vm creating with hosted-engine (Yue,Cong)
  (Nikolai Sednev)


--

Message: 1
Date: Wed, 17 Dec 2014 04:16:33 -0500 (EST)
From: Nikolai Sednev nsed...@redhat.com
To: users@ovirt.org
Subject: [ovirt-users] 1.  FQDN for vm creating with hosted-engine
(Yue,   Cong)
Message-ID:
2080226028.11273252.1418807793775.javamail.zim...@redhat.com
Content-Type: text/plain; charset=utf-8

FQDN or fully qualified domain name means that you have to reserve in your DNS 
a name corresponding to IP received by HE VM from DHCP.
IP address should be reserved for the VM at DHCP.

I advise not to use manual IP to FQDN at your host, as this will lead to many 
confusions, especially when you'll have more than a single host machine, but 
you always can configure at your /etc/hosts file the FQDN corresponding to IP 
address given to HE VM.





Thanks in advance.

Best regards,
Nikolai

Nikolai Sednev
Senior Quality Engineer at Compute team Red Hat Israel
34 Jerusalem Road,
Ra'anana, Israel 43501

Tel: +972 9 7692043
Mobile: +972 52 7342734
Email: nsed...@redhat.com
IRC: nsednev

- Original Message -

From: users-requ...@ovirt.org
To: users@ovirt.org
Sent: Wednesday, December 17, 2014 1:19:12 AM
Subject: Users Digest, Vol 39, Issue 104

Send Users mailing list submissions to
users@ovirt.org

To subscribe or unsubscribe via the World Wide Web, visit 
http://lists.ovirt.org/mailman/listinfo/users
or, via email, send a message with subject or body 'help' to 
users-requ...@ovirt.org

You can reach the person managing the list at users-ow...@ovirt.org

When replying, please edit your Subject line so it is more specific than Re: 
Contents of Users digest...


Today's Topics:

1. FQDN for vm creating with hosted-engine (Yue, Cong)
2. Server 2012 R2 + Intel Conroe Cluster (Nathan Llaneza)
3. alternate method of fencing (Brent Hartzell)
4. Re: Don't start vm (Roman Nikolayevich Drovalev)


--

Message: 1
Date: Tue, 16 Dec 2014 14:44:44 -0800
From: Yue, Cong cong_...@alliedtelesis.com
To: users@ovirt.org users@ovirt.org
Subject: [ovirt-users] FQDN for vm creating with hosted-engine
Message-ID:
ed08b56256b38842a463a2a0804c5ac0326aca3...@svr-ca-exch1.atg.lc
Content-Type: text/plain; charset=us-ascii

Hi



Now I am trying to confirm KVM's HA with ovirt, and doing the walk through as 
the following guide.

http://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/



During the VM setting, FQDN is asked, what FQDN means about? Does it mean the 
hostname of VM host? In my case, it is compute2-2.

The following is my hosts file, my VM host and storage is 10.0.0.92.

And I am trying to assign 10.0.0.95 to the hosted VM.

---

[root@compute2-2 ~]# cat /etc/hosts

10.0.0.93 compute2-2 nfs2-2

10.0.0.95 ovrit-test

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

::1 localhost localhost.localdomain localhost6 localhost6.localdomain6



Also how I can remove the VM I installed, as for when I try to do hosted-engine 
--deploy, it shows



---

[root@compute2-2 ~]# hosted-engine --deploy [ INFO ] Stage: Initializing

Continuing will configure this host for serving as 

Re: [ovirt-users] FQDN for vm creating with hosted-engine

2014-12-16 Thread Yedidyah Bar David
- Original Message -
 From: Cong Yue cong_...@alliedtelesis.com
 To: users@ovirt.org
 Sent: Wednesday, December 17, 2014 12:44:44 AM
 Subject: [ovirt-users] FQDN for vm creating with hosted-engine
 
 
 
 Hi
 
 
 
 Now I am trying to confirm KVM's HA with ovirt, and doing the walk through as
 the following guide.
 
 http://community.redhat.com/blog/2014/10/up-and-running-with-ovirt-3-5/
 
 
 
 During the VM setting, FQDN is asked, what FQDN means about? Does it mean the
 hostname of VM host? In my case, it is compute2-2.

Do you refer to the following:

Please provide the FQDN for the engine you would like to use.
This needs to match the FQDN that you will use for the engine 
installation within the VM.
Note: This will be the FQDN of the VM you are now going to 
create,
it should not point to the base host or to any other existing 
machine.
Engine FQDN: 

?

We recently changed this text to be so, due to [3]. If you still do
not find it easy to understand, please suggest better wording. Thanks!

The Engine FQDN is the name that is used by others to refer to the
machine on which the engine runs. In this context it's the name of the
VM.

This does not have to be the hostname of that machine - the output of
the command 'hostname' there. E.g. you might want to have a hostname
'purple.example.com' but connect to it as 'my-engine.example.com'.
You'd probably add to the dns an A and a PTR record for 'purple', and
a CNAME record for 'my-engine'. You should then input at this prompt,
as well as the one during engine-setup inside this vm,
'my-engine.example.com'. See [1] [2] as examples for naming conventions.

[1] https://tools.ietf.org/html/rfc1178 - an rfc from 1990, still mostly
relevant today

[2] http://mnx.io/blog/a-proper-server-naming-scheme/ - some random
document found by searching for 'hostname conventions'

[3] https://bugzilla.redhat.com/show_bug.cgi?id=1069945 :
[TEXT] Add a note explaining better how FQDN will be used

 
 The following is my hosts file, my VM host and storage is 10.0.0.92.
 
 And I am trying to assign 10.0.0.95 to the hosted VM.
 
 ---
 
 [root@compute2-2 ~]# cat /etc/hosts
 
 10.0.0.93 compute2-2 nfs2-2
 
 10.0.0.95 ovrit-test
 
 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4
 
 ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6

Seems like you intend to use ovirt-test for the engine, so enter that.

 
 
 
 Also how I can remove the VM I installed, as for when I try to do
 hosted-engine --deploy, it shows
 
 
 
 ---
 
 [root@compute2-2 ~]# hosted-engine --deploy [ INFO ] Stage: Initializing
 
 Continuing will configure this host for serving as hypervisor and create a VM
 where you have to install oVirt Engine afterwards.
 
 Are you sure you want to continue? (Yes, No)[Yes]: Yes [ INFO ] Generating a
 temporary VNC password.
 
 [ INFO ] Stage: Environment setup
 
 Configuration files: []
 
 Log file:
 
 /var/log/ovirt-hosted-engine-setup/ovirt-hosted-engine-setup-20141216144036-30j0wk.log
 
 Version: otopi-1.3.0 (otopi-1.3.0-1.el7) [ INFO ] Hardware supports
 virtualization [ INFO ] Bridge ovirtmgmt already created [ INFO ] Stage:
 Environment packages setup [ INFO ] Stage: Programs detection [ INFO ]
 Stage: Environment setup [ ERROR ] The following VMs has been found:
 ac4c8d35-ca47-4394-afa8-1180c768128c

If you set it up with a previous 'hosted-engine --deploy', you can kill it
with 'hosted-engine --vm-poweroff'. If you created it yourself, best use the
same tool - e.g. if with virsh, use that to kill it. You can always use ps
to find the qemu process of it and kill it with 'kill'.

Best,
-- 
Didi
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