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<p>You can of course. But it is up to you to monitor. And using storage on different hosts will cause the VMs to be copied via scp which is pretty slow.</p>
<p>Another way to have a large storage is to remove other drives on the nodes (or use small drives in them) and then plug big capacity drives on the main NFS node. I mean put everything on the host A and let other have a small hard drive just enough for the OS itself.</p>
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<pre><span style="font-size: small; font-family: verdana,geneva;"><span style="font-size: x-small; font-family: helvetica; color: #000000;">Thanks,
Kenneth</span><br /><span style="font-size: x-small; font-family: helvetica; color: #000000;">Apollo Global Corp.</span><br /></span></pre>
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<p>On 11/26/2013 04:48 PM, 曹海峰 wrote:</p>
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<div>Thanks for replay!</div>
<div>But if I use a shared folder ,such as /var/lib/datastore/1/ on host A and mount it on all hosts in a cluster. the whole storage capacity is very small,Opennebula can't use other hosts's disk space.?</div>
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<div><span style="color: #000000; font-size: 10.5pt;"> Best Wishes!</span></div>
<div><span style="color: #000000; font-size: 10.5pt;"> Dennis</span></div>
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<div><strong>From:</strong> <a href="mailto:users-bounces@lists.opennebula.org">users-bounces@lists.opennebula.org</a></div>
<div><strong>Date:</strong> 2013-11-26 16:27</div>
<div><strong>To:</strong> <a href="mailto:users@lists.opennebula.org">users@lists.opennebula.org</a></div>
<div><strong>Subject:</strong> Re: [one-users] How do i know the cluster's datastore's capacity?</div>
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<p>That's because you are not using a shared folder for all hosts. A better way to do it is to make the /var/lib/datastore/1/ folder on the sunstone as a NFS folder and then mount it all other hosts on the same location /var/lib/datastore/1/. This will enable you to do live migrations and very fast deployment of vms.</p>
<div>---<br />
<pre><span style="font-family: verdana,geneva; font-size: small;"><span style="font-family: helvetica; color: #000000; font-size: x-small;">Thanks,
Kenneth</span><br /><span style="font-family: helvetica; color: #000000; font-size: x-small;">Apollo Global Corp.</span><br /></span></pre>
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<p>On 11/26/2013 04:17 PM, caohf wrote:</p>
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<div>Dear all:</div>
<div style="text-indent: 2em;">How do i get the whole capacity for a cluster's datastores,</div>
<div style="text-indent: 2em;">I have two hosts in a cluster, every host has 100GB space for /var/lib/datastore.</div>
<div style="text-indent: 2em;">In sunstone i find the capacity of cluster only display the capacity of host where the sunstone deployed.</div>
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<div><span style="color: #000000; font-size: 10.5pt;"> Best Wishes!</span></div>
<div><span style="color: #000000; font-size: 10.5pt;"> Dennis</span></div>
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