Hey Josh,

Indeed, from "ceph -w", I found my client got blacklisted the moment the "rbd 
lock" command was executed.

I think this might be caused by my configuration that both Ceph OSD and rbd 
command are running inside the containers on the same host. 

Thanks

Huamin

----- Original Message -----
From: "Josh Durgin" <[email protected]>
To: "Huamin Chen" <[email protected]>, [email protected]
Sent: Monday, September 14, 2015 6:35:49 PM
Subject: Re: rbd lock list command failure

On 09/09/2015 09:26 AM, Huamin Chen wrote:
> Hi
>
> Running "rbd lock list" inside a Docker container yields mixed results. 
> Sometimes I can get the right results but most times I just get errors.
>
> A good run is like this:
> [root@host server]# docker run --privileged --net=host -v /dev:/dev -v 
> /sys:/sys ceph/base rbd lock list foo --pool kube --id kube -m host:6789 
> --key=AQAMgXhVwBCeDhAA9nlPaFyfUSatGD4drFWDvQ==
> 2015-09-09 16:11:16.812858 7f3337ff5840 -1 did not load config file, using 
> default settings.
> There is 1 exclusive lock on this image.
> Locker      ID                                                     Address
> client.4333 kubelet_lock_magic_host 10.16.154.78:0/1000001
>
> Same commands but with error:
> [root@host server]# docker run --privileged --net=host -v /dev:/dev -v 
> /sys:/sys ceph/base rbd lock list foo --pool kube --id kube -m host:6789 
> --key=AQAMgXhVwBCeDhAA9nlPaFyfUSatGD4drFWDvQ==
> 2015-09-09 16:11:30.430345 7f4159766840 -1 did not load config file, using 
> default settings.
> 2015-09-09 16:11:30.464193 7f4159766840 -1 librbd::ImageCtx: error finding 
> header: (108) Cannot send after transport endpoint shutdown
> rbd: error opening image foo: (108) Cannot send after transport endpoint 
> shutdown

Are you using blacklisting? That is the error that a blacklisted client
gets from rados.
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