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Re: [libvirt-users] create a directory storage pool in a random location



On Wed, Dec 02, 2015 at 11:41:46AM +0000, Andrei Perietanu wrote:
Hi all,
  I am trying to figure out if you can store the definition of a directory
storage pool in a custom location.

This is how I create the storage pool:
xmlDesc = """
<pool type='dir'>
<name>guest_images_storage_pool</name>
<uuid>8c79f996-cb2a-d24d-9822-ac7547ab2d01</uuid>
<capacity unit='bytes'>4306780815</capacity>
<allocation unit='bytes'>237457858</allocation>
<available unit='bytes'>4069322956</available>
<source>
</source>
<target>
<path>/disk1/guest_images</path>
<permissions>
<mode>0755</mode>
<owner>-1</owner>
<group>-1</group>
</permissions>
</target>
</pool>"""
pool = conn.storagePoolDefineXML(xmlDesc, 0)


This creates guest_images_storage_pool.xml in /etc/libvirt/storage. I
assume this is the default path libvirt looks for any storage pools on the
system

The problem is that /etc is mapped to a ramdisk on my system. So after
restart anything in there would be wiped.

Well, how do you expect applications to save configurations then?

You can compile libvirt with --sysconfdir=/something_else_than/etc, but
I would expect problems with more than libvirt if you have /etc on ramdisk...

The path /disk1 maps to an actual hdd partition so ideally libvirt sould
look for it's storage pools in there. I can't seem to make that happen.

I tried adding a source path:

 <source>
<dir path="/disk1/storage_pool"/>
 </source>

But that has no effect.

Any ideas?


Andrei

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