12:26 p.m.
Hi, I would like to manage 2 separated data centers, one in a site and another place
connected with optic fiber.
so I guess that I have to use 2 engines, one in each data center.
Would they be able to see each other and move machines from one to another ? So I want to
schedule backups to send periodically machines form the production DC to the backup DC,
and in case of an emergency be able to start the VM on the backup data center.
thanks !
--
Bartomeu F. Sastre i Cabanellas
Ajuntament d'Inca - Departament Informàtic
Tlf. 871 914 107
bsastre(a)ajinca.net
10:49 a.m.
This is a multi-part message in MIME format.
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Le 19/04/2018 =C3=A0 12:26, Bartomeu F. Sastre a =C3=A9crit=C2=A0:
Hi, I would like to manage 2 separated data centers, one in a site
and =
another place connected with optic fiber.
exactly the same here
so I guess that I have to use 2 engines, one in each data center.
you can also
* use one engine for 2DCs
* if you use a common shared data domain (commonly NFS or iscsi), you
can run only one DC, so you will be able to start your vms
everywhere over your both DCs in a disaster case.
Would they be able to see each other and move machines from one to anot=
her ?
* in the case of two engines, clearly not, you'll have to use export
domain to move your vms.
* in the case of 2 DCs that share common data domains, you'll be able
to move shutdown vms editing the DC/cluster in the properties tabs.
* in the common shared data domain, you'll be able to live migrate vms
if their hosts belong to the same cluster. If not, Shutdown your vms
and move them to the targetted cluster
So I want to schedule backups to send periodically machines form
the =
production DC to the backup DC, and in case of an emergency be able to st=
art the VM on the backup data center.
You can use vm backup script that can save your vm to
* the (NFS) export domain. When restoring you'll have to import all
your vms, it can be a very long process
* an other data domain, and reattach it to your backup DC.
thanks !
--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr
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Content-Transfer-Encoding: quoted-printable
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<head>
<meta http-equiv=3D"Content-Type" content=3D"text/html;
charset=3Dutf=
-8">
</head>
<body text=3D"#000000" bgcolor=3D"#FFFFFF">
<p><br>
</p>
<br>
<div class=3D"moz-cite-prefix">Le 19/04/2018 =C3=A0 12:26, Bartomeu
F=
.
Sastre a =C3=A9crit=C2=A0:<br>
</div>
<blockquote type=3D"cite"
cite=3D"mid:287131014.10563.1524133610424.JavaMail.zimbra@ajinca.ne=
t">
<pre wrap=3D"">Hi, I would like to manage 2 separated data
centers,=
one in a site and another place connected with optic fiber.</pre>
</blockquote>
exactly the same here<br>
<blockquote type=3D"cite"
cite=3D"mid:287131014.10563.1524133610424.JavaMail.zimbra@ajinca.ne=
t">
<pre wrap=3D"">
so I guess that I have to use 2 engines, one in each data center.</pre>
</blockquote>
you can also <br>
<ul>
<li>use one engine for 2DCs</li>
<li>if you use a common shared data domain (commonly NFS or
iscsi), you can run only one DC, so you will be able to start
your vms everywhere over your both DCs in a disaster case.<br>
</li>
</ul>
<blockquote type=3D"cite"
cite=3D"mid:287131014.10563.1524133610424.JavaMail.zimbra@ajinca.ne=
t">
<pre wrap=3D"">
Would they be able to see each other and move machines from one to anothe=
r ?</pre>
</blockquote>
<ul>
<li>in the case of two engines, clearly not, you'll have to use
export domain to move your vms.<br>
</li>
<li>in the case of 2 DCs that share common data domains, you'll be
able to move shutdown vms editing the DC/cluster in the
properties tabs.</li>
<li>in the common shared data domain, you'll be able to live
migrate vms if their hosts belong to the same cluster. If not,
Shutdown your vms and move them to the targetted cluster<br>
</li>
</ul>
<blockquote type=3D"cite"
cite=3D"mid:287131014.10563.1524133610424.JavaMail.zimbra@ajinca.ne=
t">
<pre wrap=3D""> So I want to schedule backups to send periodically
=
machines form the production DC to the backup DC, and in case of an emerg=
ency be able to start the VM on the backup data center.</pre>
</blockquote>
You can use vm backup script that can save your vm to<br>
<ul>
<li>the (NFS) export domain. When restoring you'll have to import
all your vms, it can be a very long process</li>
<li>an other data domain, and reattach it to your backup DC.<br>
</li>
</ul>
<blockquote type=3D"cite"
cite=3D"mid:287131014.10563.1524133610424.JavaMail.zimbra@ajinca.ne=
t">
<pre wrap=3D"">
thanks !
</pre>
</blockquote>
<br>
<pre class=3D"moz-signature" cols=3D"72">--=20
Nathana=C3=ABl Blanchet
Supervision r=C3=A9seau
P=C3=B4le Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5 =09
T=C3=A9l. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
<a class=3D"moz-txt-link-abbreviated"
href=3D"mailto:blanchet@abes.fr">bl=
anchet(a)abes.fr</a> </pre>
</body>
</html>
--------------BC6D70AD1EECF49689B5E9AA--
9:22 a.m.
just a question, I have to have shared data domain, so in my case each phisycal datacenter
have a SAN, no I cannot share this with the other DC, also I have a slower device with
SATA disks a NAS (iSCSI, NFS), does it means that I have to deploy the engine on this
slower device ?
thank you very much.
----- Missatge original -----
De: "Nathanaël Blanchet" <blanchet(a)abes.fr>
A: "Bartomeu Sastre" <bsastre(a)ajinca.net>, "users"
<users(a)ovirt.org>
Enviats: Divendres, 20 Abril de 2018 10:49:22
Assumpte: Re: [ovirt-users] 2 data centeres, production and backup
Le 19/04/2018 à 12:26, Bartomeu F. Sastre a écrit :
Hi, I would like to manage 2 separated data centers, one in a site
and another place connected with optic fiber.
exactly the same here
so I guess that I have to use 2 engines, one in each data center.
you can also
* use one engine for 2DCs
* if you use a common shared data domain (commonly NFS or iscsi), you
can run only one DC, so you will be able to start your vms
everywhere over your both DCs in a disaster case.
Would they be able to see each other and move machines from one to another ?
* in the case of two engines, clearly not, you'll have to use export
domain to move your vms.
* in the case of 2 DCs that share common data domains, you'll be able
to move shutdown vms editing the DC/cluster in the properties tabs.
* in the common shared data domain, you'll be able to live migrate vms
if their hosts belong to the same cluster. If not, Shutdown your vms
and move them to the targetted cluster
So I want to schedule backups to send periodically machines form
the production DC to the backup DC, and in case of an emergency be able to start the VM on
the backup data center.
You can use vm backup script that can save your vm to
* the (NFS) export domain. When restoring you'll have to import all
your vms, it can be a very long process
* an other data domain, and reattach it to your backup DC.
thanks !
--
Nathanaël Blanchet
Supervision réseau
Pôle Infrastrutures Informatiques
227 avenue Professeur-Jean-Louis-Viala
34193 MONTPELLIER CEDEX 5
Tél. 33 (0)4 67 54 84 55
Fax 33 (0)4 67 54 84 14
blanchet(a)abes.fr
2581
days inactive
2583
days old
2 comments
2 participants
participants (2)
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Bartomeu F. Sastre -
Nathanaël Blanchet