[Openstack] More than one Ephemeral Disk

Gary Kotton gkotton at vmware.com
Mon Dec 1 19:49:55 UTC 2014


Please see - https://wiki.openstack.org/wiki/BlockDeviceConfig
That may provide some additional information
This is currently supported by libvirt and xen. There are patches in review for Vmware. Not sure about the other drivers.
Thanks
Gary

From: George Mihaiescu <lmihaiescu at gmail.com<mailto:lmihaiescu at gmail.com>>
Date: Monday, December 1, 2014 at 9:46 PM
To: Georgios Dimitrakakis <giorgis at acmac.uoc.gr<mailto:giorgis at acmac.uoc.gr>>
Cc: Gary Kotton <gkotton at vmware.com<mailto:gkotton at vmware.com>>, "openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>" <openstack at lists.openstack.org<mailto:openstack at lists.openstack.org>>
Subject: Re: [Openstack] More than one Ephemeral Disk

Hi Georgios,

I believe Gary refers to this: http://docs.openstack.org/user-guide/content/attach_volume_to_instance.html

Which is probably not exactly what you have in mind, but it might still accomplish what you need,

George

On Mon, Dec 1, 2014 at 2:26 PM, Georgios Dimitrakakis <giorgis at acmac.uoc.gr<mailto:giorgis at acmac.uoc.gr>> wrote:
Hi Gary!

Thanks for the feedback!

Can you be a little more specific how to implement that? How can I setup a flavor with more than one ephemeral disk?

Regards,

George

On Mon, 1 Dec 2014 18:50:41 +0000, Gary Kotton wrote:
Hi,
You are able to do this when you boot using block device mappings. You can
have a number of ephemeral devices.
Thanks
Gary

On 12/1/14, 8:13 PM, "Georgios Dimitrakakis" <giorgis at acmac.uoc.gr<mailto:giorgis at acmac.uoc.gr>> wrote:

Hi all!

A rather strange question:

Is it possible to have more than one ephemeral disks attached on boot
at  VM?

Can each flavors somehow have many ephemeral disks with different size?


Best,

George

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