Comment 19 for bug 1396965
Revision history for this message
| Preston L. Bannister (preston-bannister) wrote Re: [Bug 1396965] Re: Add capability to detach root device volume of an instance, when in shutoff state | #19 |
This bug (or misfeature) needs to be addressed.
If you only need to do this once, and the volume is not especially large,
workarounds are quite practical.
If your volumes are large, our if you need to do this across hundreds or
thousands (or more) instances, you are going to put massive load on your
storage (for no reason).
Your storage vendor will happily sell you a lot more/higher-
storage. You might but be fond of this approach.
On one side you have a relatively cheap fix to the implementation. On the
other side you have a massive cost to each and every cloud.
On Thu, Sep 29, 2016 at 12:07 PM Thiago Carreira <email address hidden>
wrote:
> Hello Tim Bell, you are right; but I think that is a better solution
> than changing database tables.
>
> In fact, the best solution is the fixing the bug. The method for
> download the volume have a --force option (which should stands for the
> case), but this does not work.
>
> The hack I wrote above can be easly implemented (as a workaround) in a
> bash script fashion, even in python: just read the user credentials and
> call a subprocess on Python Code to Openstack CLI passing the command
> line. Again, this is a hack, not the best solution.
>
> Best regards.
>
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> Title:
> Add capability to detach root device volume of an instance, when in
> shutoff state
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