Gluster users - Oct 2015 - building bricks in AWS off an EBS snapshot

On Tuesday 20 October 2015 01:41 AM, Mayzel, Eugene
wrote:
> Hello,
>
> If anyone could help me with a strange issue I am experiencing:
>
> I run an EC2 stack, say v1, that has a gluster with three one brick
> nodes in the replication mode.
>
> I make an ebs volume level snapshot of one of the bricks (not the
> gluster level snapshot)
>
> Now I want to spin a new EC2 stack, v2, using that single snapshot from
> v1 to build all three bricks in v2.
>
> Ebs volumes are successfully built, and can see that all data is there,
> on all three bricks, I clean the bricks using the setfattr and rem
> ./glusterfs routine,
>
Are you referring to <brick-path>/.glusterfs here? If yes, any reason 
why that is being cleaned up?

Regards,
Vijay

Yes,  this is what I do, since otherwise I get the famous "already part of
a volume " error.
After extensive googling I found that the following needs to be done to clean up
any past gluster traces from a brick:

setfattr -x trusted.glusterfs.volume-id <brick-path>
setfattr -x trusted.gfid <brick-path>
rm -r <brick-path>/.glusterfs

Feel free to tell me otherwise, I will take all help I can get ;-)


-----Original Message-----
From: Vijay Bellur [mailto:vbellur at redhat.com] 
Sent: Friday, October 23, 2015 2:05 PM
To: Mayzel, Eugene; gluster-users at gluster.org
Subject: Re: [Gluster-users] building bricks in AWS off an EBS snapshot

On Tuesday 20 October 2015 01:41 AM, Mayzel, Eugene
wrote:
> Hello,
>
> If anyone could help me with a strange issue I am experiencing:
>
> I run an EC2 stack, say v1, that has a gluster with three one brick 
> nodes in the replication mode.
>
> I make an ebs volume level snapshot of one of the bricks (not the 
> gluster level snapshot)
>
> Now I want to spin a new EC2 stack, v2, using that single snapshot 
> from
> v1 to build all three bricks in v2.
>
> Ebs volumes are successfully built, and can see that all data is 
> there, on all three bricks, I clean the bricks using the setfattr and 
> rem ./glusterfs routine,
>
Are you referring to <brick-path>/.glusterfs here? If yes, any reason why
that is being cleaned up?

Regards,
Vijay


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