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[Xen-users] [XCP] "Invisible" Disks in Templates

  • To: "xen-users@xxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxx>
  • From: Eric Englebretson <eenglebretson@xxxxxxxxxxxxx>
  • Date: Mon, 5 Mar 2012 12:37:19 -0600
  • Accept-language: en-US
  • Acceptlanguage: en-US
  • Delivery-date: Mon, 05 Mar 2012 18:38:37 +0000
  • List-id: Xen user discussion <xen-users.lists.xen.org>
  • Thread-index: Acz6/v8JJ0JhUAuUQdOKPxUxJ1C4+Q==
  • Thread-topic: [XCP] "Invisible" Disks in Templates

My apologies if this has been covered elsewhere, but I was unable to find it in 
my searching.

I have two fresh-install XCP v1.1 servers on identical Dell servers in a pool 
utilizing an EMC CLARiiON CX3-40 over iSCSI as a shared storage repository.

Problem Details:
If I convert a VM to a template via either XenCenter 5.6 or SSH command-line, 
then when I create a template via XenCenter, the wizard gets to "Configure 
storage for the new VM" but does not list any disks in the "Use these virtual 
disks:" field.  To continue, I have to create a "dummy" disk that I later 
delete once the VM is provisioned.  The provisioning process copies the 
"invisible" disk that the template comes with to the new VM, and, after that, 
the disk is visible in both the VM and the shared SR.

I will note, if it matters, that the parent template the child VMs have been 
created from was exported from a standalone XenServer 1.0 test-bed utilizing 
local storage and imported to the XCP pool.  Any child templates I create from 
the parent share the same problem, however.

Is there an xe template-param-set field I can toggle or fill in to expose the 
disk to the VM wizard, or is there something else I need to do during template 
creation to correct this issue?  Do I need to go so far as to create a VM from 
scratch to convert to a template on the XCP 1.1 servers?

Thank you!

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