Database unknow in Exchange 2010 sp2

Hello all,

i have Exchange 2010 SP2  as following :-

2 server  CAS/HUB  with hardware Load balancing.    [ CAS1 and CAS2 ]

2 server Mailbox  still with out DAG                               [ Mail 1 and Mail 2 ]

Mail 1 holding MB-DB1

i see the  following screen in all servers Except Mail 1

Image may be NSFW.
Clik here to view.

During opening mail box through OWA it takes along time then open mail box , please advice.