[Openstack] nova boot --ephemeral usage

Thang Pham thang.g.pham at gmail.com
Sat Apr 26 21:09:45 UTC 2014


Thanks for the reply.  What is noticed is that if no --ephemeral option is
specified with nova boot, and the flavor contains an ephemeral disk, nova
will just create an ephemeral disk using the default size in the flavor,
called disk.local.

Thang


On Sat, Apr 26, 2014 at 4:57 PM, Trump.Zhang <zhangleiqiang at gmail.com>wrote:

> If ephemeral size in flavor is bigger than you specified in command line,
> it will be created with the size you specified. Otherwise API will return
> error.
>
> ————
> Best Regards
> Trump Zhang
>
> 在 2014年4月27日,上午1:16,Thang Pham <thang.g.pham at gmail.com> 写道:
>
> Hi everyone,
>
> I have a usage question about the --ephemeral option in nova boot:
>
> If you have a flavor, which contains an ephemeral disk, usually when you
> create an instance with it, disk.local is created.  But what happens if you
> use that flavor and also use the --ephemeral option in nova boot, e.g. nova
> boot --flavor <flavor> --image <image> --ephemeral size=2 test123.  Is
> disk.local suppose to still be created, as well as the extra ephemeral disk
> you specified?
>
> Thank you in advance,
> Thang
>
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