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<div class="moz-cite-prefix">On 17-04-2014 14:41, Laercio Motta
wrote:<br>
</div>
<blockquote
cite="mid:CAFPSyVk9Y3TKwWz86pz242QLekgCZehGzvbxBoLXqXeKUFnbnA@mail.gmail.com"
type="cite">
<div dir="ltr">Só acho que usando a "STORAGE" no mesmo equipamento
que irá as VMs complica um pouco a questão de Live Migration.<br>
</div>
</blockquote>
<br>
Na verdade complicaria o HA. Mas não é isso que o Janssen falou. Ele
pretende colocar o storage na mesma máquina do engine e não num
Hypervisor.<br>
<br>
<blockquote
cite="mid:CAFPSyVk9Y3TKwWz86pz242QLekgCZehGzvbxBoLXqXeKUFnbnA@mail.gmail.com"
type="cite">
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">Em 17 de abril de 2014 13:13, Amador
Pahim <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:apahim@redhat.com" target="_blank">apahim@redhat.com</a>></span>
escreveu:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div class="">
<div>On 17-04-2014 13:11, Amador Pahim wrote:<br>
</div>
<blockquote type="cite">
<div>On 17-04-2014 11:55, Janssen dos Reis Lima wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Fala Pahim.
<div><br>
</div>
<div>Obrigado pelas respostas.</div>
<div><br>
</div>
<div>Usando iSCSI como seria para eu fazer bakup
de uma VM? Eu consigo ver os arquivos que são
gravados da VM?</div>
</div>
</blockquote>
<br>
Como falei, cada disco virtual será uma partição LVM.
Tem algumas formas de você fazer isso... desde, por
fora do ovirt, conectando a partir de outro host na
mesma LUN, até por dentro do oVirt, usando o Export
Domain para fazer backup ou mesmo escrevendo scripts
pra fazer uso da <a moz-do-not-send="true"
href="http://www.ovirt.org/Features/Backup-Restore_API_Integration"
target="_blank">http://www.ovirt.org/Features/Backup-Restore_API_Integration</a><br>
</blockquote>
<br>
</div>
Outro detalhe: normalmente se pensa em backup no oVirt
salvando o disco da VM e não dos arquivos dentro do disco.
Fazer backup dos arquivos dentro do disco é função de
alguma ferramenta de backup que rode um agente dentro da
VM, como o Bacula, por exemplo.
<div class=""><br>
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<blockquote type="cite">
<blockquote type="cite">
<div dir="ltr">
<div><br>
</div>
<div>Obrigado.</div>
</div>
<div class="gmail_extra"><br>
<br>
<div class="gmail_quote">Em 17 de abril de 2014
11:08, Amador Pahim <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:apahim@redhat.com"
target="_blank">apahim@redhat.com</a>></span>
escreveu:<br>
<blockquote class="gmail_quote" style="margin:0
0 0 .8ex;border-left:1px #ccc
solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
<div>
<div>On 16-04-2014 10:20, Janssen dos Reis
Lima wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Pessoal,
<div><br>
</div>
<div>Meu cenário é o seguinte.</div>
<div>Tenho 3 servidores. Um será o
engine e outros 2 os hosts.</div>
<div>Gostaria de saber uma melhor
forma de eu fazer a instalação desse
meu ambiente. Eu posso deixar o
storage funcionando no próprio
engine. Tem algum problema quanto a
isso?<br>
</div>
</div>
</blockquote>
<br>
</div>
Não há uma limitação técnica. Pode fazer
isso sim. <br>
<div> <br>
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<blockquote type="cite">
<div dir="ltr">
<div>Outra coisa. É melhor usar iSCSI
ou NFS?</div>
</div>
</blockquote>
<br>
</div>
Usando NFS, cada disco virtual será um
arquivo dentro do diretório compartilhado.
Facilita backup e cópias "por fora" do
oVirt. Usando iSCSI, cada disco virtual será
uma partição LVM criada na LUN. Todas as
operações de storage (create, remove,
expand, move, snapshot,... ) são mais
rápidas no LVM do que usando discos no NFS.
Além disso, em um teste que fiz em 2010, o
iSCSI se mostrou 17% mais performático em
escrita simples que o NFS. Eu prefiro iSCSI,
mas não posso dizer o que é melhor pra você
:)<br>
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<div dir="ltr">
<div>
<div><br>
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-- <br>
<div dir="ltr">Att,<br>
<br>
Janssen dos Reis Lima<br>
<a moz-do-not-send="true"
href="http://blog.janssenlima.com"
target="_blank">http://blog.janssenlima.com</a>
<div><br>
</div>
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<fieldset></fieldset>
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<div><br>
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-- <br>
<div dir="ltr">Att,<br>
<br>
Janssen dos Reis Lima<br>
<a moz-do-not-send="true"
href="http://blog.janssenlima.com"
target="_blank">http://blog.janssenlima.com</a>
<div><br>
</div>
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