Read-only short period for /shared

/shared filesystem became read-only for a short period of time during 12:00 -12:30 today while we are debugging NFS problem on

13:35 Update: /shared should be mounted read and write mode.

13:25 Update:
 metadata filesystem check is over, /shared filesystem is mounted back on 

13:15 Update:
We are running e2fsck on the metadata filesystem to check possible corruption.

 Update: We are backing up original metadata filesystem for /shared.

12:50 Update: we found errors on metadata server, we have to run fscheck on it.

12:45 Update:
  Problem persists, we are working on it.