[StarCluster] building an ami corrupts the original reference machine?

[Robert Yu]

Thanks for the response.

I did some further experiments, and it looks like 0.95.6 clears out "/root"
before it builds the ami, whereas
0.93.3 did not.  I'll try creating the ami through the AWS console as a
work-around.

-Robert

On Fri, Jan 16, 2015 at 4:01 PM, Jennifer Staab <jstaab at cs.unc.edu> wrote:

>  I can't attest to the behavior of StarCluster regarding AMI creation
> because I usually do my AMI creation from AWS console. I can say that in
> the past I had SSH go down if I created an AMI of a running instance.
> Luckily after the AMI was completed and I reboot a few times I got SSH
> functionality back without having to mount my EBS backed instance to
> another running instance to restore SSH functionality.  After that
> experience I just stop the instance prior to making an AMI.  This of course
> only works on EBS backed instances where the stopping them doesn't result
> in termination -- also stopping will dump all that you have stored in
> instance storage.  If rebooting the instance doesn't work you can look
> here <http://alestic.com/2011/02/ec2-fix-ebs-root> for directions on
> mounting to another running instance to restore functionality.
>
> Good Luck!
> -Jennifer
>
>
> On 1/16/15 6:32 PM, Robert Yu wrote:
>
> Hi,
>
> I just updated to 0.95.6 from 0.93.3.
>
>  I noticed that after I run "starcluster ebsiimage ..." to create an ami
> from a running reference instance,
> I can *no longer* ssh into the reference machine using "starcluster
> sshmaster ...":
>
>     StarCluster - (http://star.mit.edu/cluster) (v. 0.95.6)
>    Software Tools for Academics and Researchers (STAR)
>   Please submit bug reports to starcluster at mit.edu
>
>    Connection closed by xx.xxx.xxx.xxx
>
>
>  Maybe I am doing something wrong, but I don't recall this behavior with
> 0.93.3
>
>  Thanks,
> Robert
>
>  --
>   Robert Yu, Member Technical Staff
>
> www.aditazz.com | robert.yu at aditazz.com
> 2000 Sierra Point Parkway, 12th Floor | Brisbane | CA 94005
> 510.459.0216 | cell
> 650.627.7357 | 650.492.7000 x1008 | work
> 650.684.1149 | fax
>
>  *'$ make building'*
> <https://aditazz.atlassian.net/wiki/display/SW/$+make+building>
>
>
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>


-- 
Robert Yu, Member Technical Staff

www.aditazz.com | robert.yu at aditazz.com
2000 Sierra Point Parkway, 12th Floor | Brisbane | CA 94005
510.459.0216 | cell
650.627.7357 | 650.492.7000 x1008 | work
650.684.1149 | fax

*'$ make building'*
<https://aditazz.atlassian.net/wiki/display/SW/$+make+building>
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