10:16 a.m.
--=_alternative 002D6EBB48257CF4_=
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Dear all,
I know oVirt Host (VM) can be HA and cluster, all VM can be migrate=20
between all operational Node.
Since the main oVirt Engine is standalone, event shelf-hosted engine, it=20
still is a single Engine.
I want to ensure my Engine can be HA, how should I do? Do I need to create =
a Cluster Linux first?
Thanks
Best Regards,
Kevin Tang
---------------------------------------------------------------------------=
-----------------------------------------
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI
University of Macau
Tel: (+853) 8397-8035
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<font size=3D2 face=3D"sans-serif">Dear
all,</font><br><br><font size=3D2 f=
ace=3D"sans-serif">I know oVirt Host (VM) can be HA and
cluster, all VM can be migrate between all operational
Node.</font><br><br>=
<font size=3D2 face=3D"sans-serif">Since the main oVirt Engine is
standalon=
e,
event shelf-hosted engine, it still is a single
Engine.</font><br><br><font=
size=3D2 face=3D"sans-serif">I want to ensure my Engine can be HA,
how should I do? Do I need to create a Cluster Linux
first?</font><br><br><=
font size=3D2 face=3D"sans-serif">Thanks</font><br><font
size=3D2 face=3D"s=
ans-serif"><br><br>Best Regards,<br>Kevin
Tang<br>-------------------------=
---------------------------------------------------------------------------=
----------------<br>AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL =
VLSI<br>University of Macau<br>Tel: (+853) 8397-8035</font><BR>
--=_alternative 002D6EBB48257CF4_=--
10:07 p.m.
On 06/11/2014 04:16 AM, KevinTang(a)umac.mo wrote:
Dear all,
I know oVirt Host (VM) can be HA and cluster, all VM can be migrate
between all operational Node.
Since the main oVirt Engine is standalone, event shelf-hosted engine, it
still is a single Engine.
I want to ensure my Engine can be HA, how should I do? Do I need to
create a Cluster Linux first?
hosted-engine has built-in HA mechanism for the engine, so if the host
its running on has an issue, another host will launch the hosted engine.
11:44 a.m.
--=_alternative 00358D4A48257CF5_=
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain; charset="US-ASCII"
Dear all,
If not using self hosted-engine solution, my Engine will install in=20
dedicate machine. How should I make the engine become HA?
Thanks
Best Regards,
Kevin Tang
---------------------------------------------------------------------------=
-----------------------------------------
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI
University of Macau
Tel: (+853) 8397-8035
From: Itamar Heim <iheim(a)redhat.com>
To: KevinTang(a)umac.mo, users(a)ovirt.org
Date: 06/12/2014 04:07 AM
Subject: Re: [ovirt-users] Engine HA?
On 06/11/2014 04:16 AM, KevinTang(a)umac.mo wrote:
Dear all,
I know oVirt Host (VM) can be HA and cluster, all VM can be migrate
between all operational Node.
Since the main oVirt Engine is standalone, event shelf-hosted engine, it
still is a single Engine.
I want to ensure my Engine can be HA, how should I do? Do I need to
create a Cluster Linux first?
hosted-engine has built-in HA mechanism for the engine, so if the host=20
its running on has an issue, another host will launch the hosted engine.
--=_alternative 00358D4A48257CF5_=
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html; charset="US-ASCII"
<font size=3D2 face=3D"sans-serif">Dear
all,</font><br><br><font size=3D2 f=
ace=3D"sans-serif">If not using self hosted-engine solution,
my Engine will install in dedicate machine. How should I make the engine
become HA?</font><br><br><font size=3D2
face=3D"sans-serif">Thanks<br><br>B=
est Regards,<br>Kevin Tang<br>---------------------------------------------=
-----------------------------------------------------------------------<br>=
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI<br>University o=
f Macau<br>Tel: (+853)
8397-8035</font><br><br><br><br><font size=3D1 color=
=3D#5f5f5f face=3D"sans-serif">From:
</font><font size=3D1 face=3D"sans-serif">Itamar Heim
<iheim@redha=
t.com></font><br><font size=3D1 color=3D#5f5f5f
face=3D"sans-serif">To: =
</font><font size=3D1
face=3D"sans-serif">KevinTang(a)umac.mo,
users(a)ovirt.org</font><br><font size=3D1 color=3D#5f5f5f
face=3D"sans-serif=
">Date:
</font><font size=3D1 face=3D"sans-serif">06/12/2014 04:07
AM</font><=
br><font size=3D1 color=3D#5f5f5f face=3D"sans-serif">Subject:
</font><font size=3D1 face=3D"sans-serif">Re:
[ovirt-users]
Engine HA?</font><br><hr
noshade><br><br><br><tt><font size=3D2>On 06/11/20=
14 04:16 AM, KevinTang(a)umac.mo wrote:<br>> Dear
all,<br>><br>> I k=
now oVirt Host (VM) can be HA and cluster, all VM can be migrate<br>> be=
tween all operational Node.<br>><br>> Since the main oVirt
Engine is =
standalone, event shelf-hosted engine,
it<br>> still is a single Engine.<br>><br>> I want
to ensure my En=
gine can be HA, how should I do? Do I need to<br>> create a Cluster Linu=
x first?<br>><br><br>hosted-engine has built-in HA mechanism for
the eng=
ine, so if the host
<br>its running on has an issue, another host will launch the hosted engine=
.<br><br></font></tt><br><BR>
--=_alternative 00358D4A48257CF5_=--
11:52 a.m.
On 06/12/2014 05:44 AM, KevinTang(a)umac.mo wrote:
Dear all,
If not using self hosted-engine solution, my Engine will install in
dedicate machine. How should I make the engine become HA?
easiest would be to run it as a VM on a clustering solution like Red Hat
Cluster Suite or similar.
Thanks
Best Regards,
Kevin Tang
--------------------------------------------------------------------------------------------------------------------
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI
University of Macau
Tel: (+853) 8397-8035
From: Itamar Heim <iheim(a)redhat.com>
To: KevinTang(a)umac.mo, users(a)ovirt.org
Date: 06/12/2014 04:07 AM
Subject: Re: [ovirt-users] Engine HA?
------------------------------------------------------------------------
On 06/11/2014 04:16 AM, KevinTang(a)umac.mo wrote:
> Dear all,
>
> I know oVirt Host (VM) can be HA and cluster, all VM can be migrate
> between all operational Node.
>
> Since the main oVirt Engine is standalone, event shelf-hosted engine, it
> still is a single Engine.
>
> I want to ensure my Engine can be HA, how should I do? Do I need to
> create a Cluster Linux first?
>
hosted-engine has built-in HA mechanism for the engine, so if the host
its running on has an issue, another host will launch the hosted engine.
12:34 p.m.
I have already done a POC.
I'm going eventually to post inside the mailing list the gory details so
that you could check and give feedback and then I go contribute in the wiki.
Let me recollect the doc with the steps.
Basic system was CentOS 6.5 with Pacemaker and cman.
The filesystem resources (for postgres, etc..) were managed in drbd
primary/secondary.
At the end you would have somethng like this:
[root@ovirteng01 ~]# crm_mon -1
Last updated: Thu Jun 12 12:21:13 2014
Last change: Fri Mar 14 15:30:57 2014 via cibadmin on
ovirteng01.localdomain.local
Stack: cman
Current DC: ovirteng02.localdomain.local - partition with quorum
Version: 1.1.10-14.el6_5.2-368c726
2 Nodes configured
13 Resources configured
Online: [ ovirteng01.localdomain.local ovirteng02.localdomain.local ]
Master/Slave Set: ms_OvirtData [OvirtData]
Masters: [ ovirteng02.localdomain.local ]
Slaves: [ ovirteng01.localdomain.local ]
Resource Group: ovirt
ip_OvirtData (ocf::heartbeat:IPaddr2): Started
ovirteng02.localdomain.local
lvm_ovirt (ocf::heartbeat:LVM): Started ovirteng02.localdomain.local
fs_OvirtData (ocf::heartbeat:Filesystem): Started
ovirteng02.localdomain.local
pgsql_OvirtData (lsb:postgresql): Started
ovirteng02.localdomain.local
p_lsb_nfs (lsb:nfs): Started ovirteng02.localdomain.local
p_exportfs_root (ocf::heartbeat:exportfs): Started
ovirteng02.localdomain.local
p_exportfs_iso (ocf::heartbeat:exportfs): Started
ovirteng02.localdomain.local
ovirt-engine (lsb:ovirt-engine): Started
ovirteng02.localdomain.local
ovirt-websocket-proxy (lsb:ovirt-websocket-proxy): Started
ovirteng02.localdomain.local
httpd (ocf::heartbeat:apache): Started
ovirteng02.localdomain.local
or with pcs commands:
[root@ovirteng01 ~]# pcs resource show --groups
ovirt: ip_OvirtData lvm_ovirt fs_OvirtData pgsql_OvirtData p_lsb_nfs
p_exportfs_root p_exportfs_iso ovirt-engine ovirt-websocket-proxy httpd
[root@ovirteng01 ~]# pcs resource show
Master/Slave Set: ms_OvirtData [OvirtData]
Masters: [ ovirteng02.localdomain.local ]
Slaves: [ ovirteng01.localdomain.local ]
Resource Group: ovirt
ip_OvirtData (ocf::heartbeat:IPaddr2): Started
lvm_ovirt (ocf::heartbeat:LVM): Started
fs_OvirtData (ocf::heartbeat:Filesystem): Started
pgsql_OvirtData (lsb:postgresql): Started
p_lsb_nfs (lsb:nfs): Started
p_exportfs_root (ocf::heartbeat:exportfs): Started
p_exportfs_iso (ocf::heartbeat:exportfs): Started
ovirt-engine (lsb:ovirt-engine): Started
ovirt-websocket-proxy (lsb:ovirt-websocket-proxy): Started
httpd (ocf::heartbeat:apache): Started
the share file system is something like
/dev/mapper/VG_OVIRT-LV_OVIRT 5.0G 203M 4.5G 5% /shared
and has structure like
[root@ovirteng02 ~]# ll /shared
total 28
drwxr-xr-x. 6 root root 4096 Mar 1 14:11 etc
drwx------. 2 root root 16384 Mar 1 10:29 lost+found
drwxr-xr-x. 5 root root 4096 Mar 5 17:10 nfs_info
drwxr-xr-x. 3 root root 4096 Mar 1 13:52 var
[root@ovirteng02 ~]# ll /shared/etc/
total 16
drwxr-xr-x. 4 root root 4096 Mar 1 17:30 httpd
drwxr-xr-x. 15 root root 4096 Mar 1 13:58 ovirt-engine
drwxr-xr-x. 2 root root 4096 Mar 1 13:59 ovirt-engine-setup.conf.d
drwxr-xr-x. 3 root root 4096 Mar 1 14:03 pki
[root@ovirteng02 ~]# ll /shared/var/
total 4
drwxr-xr-x. 6 root root 4096 Mar 6 01:52 lib
[root@ovirteng02 ~]# ll /shared/var/lib/
total 16
drwxr-xr-x. 3 root root 4096 Mar 5 18:58 exports
drwxr-xr-x. 4 root root 4096 Mar 14 15:28 nfs
drwxr-xr-x. 8 ovirt ovirt 4096 Mar 12 00:30 ovirt-engine
drwx------. 4 postgres postgres 4096 Mar 1 12:49 pgsql
more details in following e-mail.
Let me know if it can be of interest.
I tried some things like forced panic, relocation while webadmin open,
etc... and it seemed consistent.
Gianluca
On Thu, Jun 12, 2014 at 11:52 AM, Itamar Heim <iheim(a)redhat.com> wrote:
On 06/12/2014 05:44 AM, KevinTang(a)umac.mo wrote:
> Dear all,
>
> If not using self hosted-engine solution, my Engine will install in
> dedicate machine. How should I make the engine become HA?
>
easiest would be to run it as a VM on a clustering solution like Red Hat
Cluster Suite or similar.
> Thanks
>
> Best Regards,
> Kevin Tang
> ------------------------------------------------------------
> --------------------------------------------------------
> AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI
> University of Macau
> Tel: (+853) 8397-8035
>
>
>
> From: Itamar Heim <iheim(a)redhat.com>
> To: KevinTang(a)umac.mo, users(a)ovirt.org
> Date: 06/12/2014 04:07 AM
> Subject: Re: [ovirt-users] Engine HA?
> ------------------------------------------------------------------------
>
>
>
>
> On 06/11/2014 04:16 AM, KevinTang(a)umac.mo wrote:
> > Dear all,
> >
> > I know oVirt Host (VM) can be HA and cluster, all VM can be migrate
> > between all operational Node.
> >
> > Since the main oVirt Engine is standalone, event shelf-hosted engine,
> it
> > still is a single Engine.
> >
> > I want to ensure my Engine can be HA, how should I do? Do I need to
> > create a Cluster Linux first?
> >
>
> hosted-engine has built-in HA mechanism for the engine, so if the host
> its running on has an issue, another host will launch the hosted engine.
>
>
>
>
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
12:01 p.m.
Hi kevin:
I'm afraid there's no other better solutions for engine HA without
hosted-engine.
But do you mean the architecture mentioned in
http://www.ovirt.org/Features/Engine_High_Availability ?
If yes, I'll say this is a complex task which is currently just some
thoughts and need deep research.
Thanks
plysan
2014-06-12 17:44 GMT+08:00 <KevinTang(a)umac.mo>:
Dear all,
If not using self hosted-engine solution, my Engine will install in
dedicate machine. How should I make the engine become HA?
Thanks
Best Regards,
Kevin Tang
--------------------------------------------------------------------------------------------------------------------
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI
University of Macau
Tel: (+853) 8397-8035
From: Itamar Heim <iheim(a)redhat.com>
To: KevinTang(a)umac.mo, users(a)ovirt.org
Date: 06/12/2014 04:07 AM
Subject: Re: [ovirt-users] Engine HA?
------------------------------
On 06/11/2014 04:16 AM, KevinTang(a)umac.mo wrote:
> Dear all,
>
> I know oVirt Host (VM) can be HA and cluster, all VM can be migrate
> between all operational Node.
>
> Since the main oVirt Engine is standalone, event shelf-hosted engine, it
> still is a single Engine.
>
> I want to ensure my Engine can be HA, how should I do? Do I need to
> create a Cluster Linux first?
>
hosted-engine has built-in HA mechanism for the engine, so if the host
its running on has an issue, another host will launch the hosted engine.
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
11:40 p.m.
This is a multi-part message in MIME format.
--------------040701050703000004010201
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Hi Kevin,
I found this link while looking for the same solution:
http://captainkvm.com/2013/05/providing-high-availability-for-rhev-m/
We now have rhev-m (which is the same thing as the Ovirt engine) running
on a server using KVM/Qemu, with my Linux workstation acting as a backup
host. The VM image is stored on an NFS share. Simple, possibly even
slightly crude, but very effective.
Regards,
John
On 12/06/14 19:44, KevinTang(a)umac.mo wrote:
Dear all,
If not using self hosted-engine solution, my Engine will install in
dedicate machine. How should I make the engine become HA?
Thanks
Best Regards,
Kevin Tang
--------------------------------------------------------------------------------------------------------------------
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI
University of Macau
Tel: (+853) 8397-8035
From: Itamar Heim <iheim(a)redhat.com>
To: KevinTang(a)umac.mo, users(a)ovirt.org
Date: 06/12/2014 04:07 AM
Subject: Re: [ovirt-users] Engine HA?
------------------------------------------------------------------------
On 06/11/2014 04:16 AM, KevinTang(a)umac.mo wrote:
> Dear all,
>
> I know oVirt Host (VM) can be HA and cluster, all VM can be migrate
> between all operational Node.
>
> Since the main oVirt Engine is standalone, event shelf-hosted engine, it
> still is a single Engine.
>
> I want to ensure my Engine can be HA, how should I do? Do I need to
> create a Cluster Linux first?
>
hosted-engine has built-in HA mechanism for the engine, so if the host
its running on has an issue, another host will launch the hosted engine.
______________________________________________________________________
This email has been scanned by the Symantec Email Security.cloud service.
For more information please visit http://www.symanteccloud.com
______________________________________________________________________
_______________________________________________
Users mailing list
Users(a)ovirt.org
http://lists.ovirt.org/mailman/listinfo/users
--------------040701050703000004010201
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
<html>
<head>
<meta content="text/html; charset=ISO-8859-1"
http-equiv="Content-Type">
</head>
<body text="#000000" bgcolor="#FFFFFF">
Hi Kevin,<br>
<br>
I found this link while looking for the same solution:
<a class="moz-txt-link-freetext"
href="http://captainkvm.com/2013/05/providing-high-availability-for-...
<br>
We now have rhev-m (which is the same thing as the Ovirt engine)
running on a server using KVM/Qemu, with my Linux workstation acting
as a backup host. The VM image is stored on an NFS share. Simple,
possibly even slightly crude, but very effective.<br>
<br>
Regards,<br>
John<br>
<br>
<br>
<div class="moz-cite-prefix">On 12/06/14 19:44, <a
class="moz-txt-link-abbreviated"
href="mailto:KevinTang@umac.mo">KevinTang@umac.mo</a>
wrote:<br>
</div>
<blockquote
cite="mid:OF59E5C510.B3977A5A-ON48257CF5.0035653D-48257CF5.00358D4B@umac.mo"
type="cite"><font face="sans-serif"
size="2">Dear all,</font><br>
<br>
<font face="sans-serif" size="2">If not using self
hosted-engine
solution,
my Engine will install in dedicate machine. How should I make
the engine
become HA?</font><br>
<br>
<font face="sans-serif" size="2">Thanks<br>
<br>
Best Regards,<br>
Kevin Tang<br>
--------------------------------------------------------------------------------------------------------------------<br>
AMSV - STATE KEY LABORATORY OF ANALOG AND MIXED-SIGNAL VLSI<br>
University of Macau<br>
Tel: (+853) 8397-8035</font><br>
<br>
<br>
<br>
<font face="sans-serif" size="1"
color="#5f5f5f">From:
</font><font face="sans-serif"
size="1">Itamar Heim
<a class="moz-txt-link-rfc2396E"
href="mailto:iheim@redhat.com"><iheim@redhat.com></a></font><br>
<font face="sans-serif" size="1"
color="#5f5f5f">To:
</font><font face="sans-serif"
size="1"><a class="moz-txt-link-abbreviated"
href="mailto:KevinTang@umac.mo">KevinTang@umac.mo</a>,
<a class="moz-txt-link-abbreviated"
href="mailto:users@ovirt.org">users@ovirt.org</a></font><br>
<font face="sans-serif" size="1"
color="#5f5f5f">Date:
</font><font face="sans-serif"
size="1">06/12/2014 04:07 AM</font><br>
<font face="sans-serif" size="1"
color="#5f5f5f">Subject:
</font><font face="sans-serif"
size="1">Re: [ovirt-users]
Engine HA?</font><br>
<hr noshade="noshade"><br>
<br>
<br>
<tt><font size="2">On 06/11/2014 04:16 AM, <a
class="moz-txt-link-abbreviated"
href="mailto:KevinTang@umac.mo">KevinTang@umac.mo</a>
wrote:<br>
> Dear all,<br>
><br>
> I know oVirt Host (VM) can be HA and cluster, all VM can
be migrate<br>
> between all operational Node.<br>
><br>
> Since the main oVirt Engine is standalone, event
shelf-hosted engine,
it<br>
> still is a single Engine.<br>
><br>
> I want to ensure my Engine can be HA, how should I do? Do
I need to<br>
> create a Cluster Linux first?<br>
><br>
<br>
hosted-engine has built-in HA mechanism for the engine, so if
the host
<br>
its running on has an issue, another host will launch the
hosted engine.<br>
<br>
</font></tt><br>
<br>
<br clear="all">
______________________________________________________________________<br>
This email has been scanned by the Symantec Email Security.cloud
service.<br>
For more information please visit <a class="moz-txt-link-freetext"
href="http://www.symanteccloud.com">http://www.symanteccloud.com</a><br>
______________________________________________________________________<br>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
<pre wrap="">_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated"
href="mailto:Users@ovirt.org">Users@ovirt.org</a>
<a class="moz-txt-link-freetext"
href="http://lists.ovirt.org/mailman/listinfo/users">http://...
</pre>
</blockquote>
<br>
</body>
</html>
--------------040701050703000004010201--
3627
days inactive
3628
days old
6 comments
5 participants
participants (5)
-
Gianluca Cecchi -
Itamar Heim -
John Gardeniers -
KevinTang＠umac.mo -
plysan