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jgardner150
Enthusiast

Unity Connections 8.6.x - Independent-persistent disk requirement for VM?

Does anyone know why Unity Connections has a requirement for it's vDisks to be set to independant-persistant mode? I don't see this requirement for any other UC application and would prefer to not set it in this mode as it prevents us for taking a snapshot when the machine is shutdown. I know that snapshots are not officially supported, but it is a great back-out plan in the case of doing maintenance off hours and deleting the snapshot before using the VM in production.

Expanation of Independent Disks:

Independent Disks are not affected by snapshots.

Persistent - Changes are immediately and permanently written to the disk.

Where I found the Cisco requirements:

http://www.cisco.com/en/US/docs/voice_ip_comm/connection/8x/requirements/8xcucsysreqs.html

"All virtual disks assigned to the Connection virtual machine must be configured  in independent-persistent mode, which provides the best storage performance."

2 REPLIES 2
yahsiel2004
Rising star

That's exactly why they set it to independant-persistant mode. I know that the documentation states to set it to independant-persistant mode but the OVA file doesn't set it to independant-persistant mode!?!?

Regards,

Yosh

HTH Regards, Yosh

Yea I also noticed that the OVA did not apply this setting. I have turned this on manually as this document states it is a requirement. Just wondering if this requirement has been droped at some point since that secton of the document was last modified June 9th 2011. I can't seem to find the requirement anywhere else beside this document and it is not stated anywhere that it was dropped.

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