Re: client-ceph [can not connect from client][connect protocol feature mismatch]

[Stéphane DUGRAVOT <stephane.dugravot@xxxxxxxxxxxxxxxx>]

Hi Sonal,

You can refer to this doc to identify your problem.

Your error code is 42040000, so

• 40000000 upgrade to kernel 3.9
  
•  2000000 CEPH_FEATURE_CRUSH_TUNABLES2
  
•     40000 CEPH_FEATURE_CRUSH_TUNABLES
  

• http://ceph.com/planet/feature-set-mismatch-error-on-ceph-kernel-client/

Stephane.

---

Hi,

I am newbie for ceph, and ceph-user group. Recently I have been working on a ceph client. It worked on all the environments while when i tested on the production, it is not able to connect to ceph.  

Following are the operating system details and error. If someone has seen this problem before, any help is really appreciated. 

OS -

lsb_release -a

No LSB modules are available.

Distributor ID: Ubuntu

Description: Ubuntu 12.04.2 LTS

Release: 12.04

Codename: precise

2015-03-05 13:37:16.816322 7f5191deb700 -- 10.8.25.112:0/2487 >> 10.138.23.241:6789/0 pipe(0x12489f0 sd=3 pgs=0 cs=0 l=0).connect protocol feature mismatch, my 1ffa < peer 42041ffa missing 42040000

2015-03-05 13:37:17.635776 7f5191deb700 -- 10.8.25.112:0/2487 >> 10.138.23.241:6789/0 pipe(0x12489f0 sd=3 pgs=0 cs=0 l=0).connect protocol feature mismatch, my 1ffa < peer 42041ffa missing 42040000

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