error in raid controller

[SBagheri]

i can ping my ip server but i cant ssh to it and i have this error in raid controller:

Smart Array P410i in Slot 0 (Embedded)    (sn: 5001438012010CF0)

CACHE STATUS PROBLEM DETECTED: The cache on this controller has a problem.
                               To prevent data loss, configuration changes to
                               this controller are not allowed.
                               Please replace the cache to be able to continue
                               to configure this controller.