Can any one help me in fixing the disk operation errors in AIX hosts connected to VMAX, Support says everything is fine with HBA,cable, SFP and VMAX..But still we are facing this issue. Appreciate your help on this.

IDENTIFIER TIMESTAMP  T C RESOURCE_NAME  DESCRIPTION

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180615 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180515 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180515 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180415 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180315 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180315 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180215 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180215 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180215 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180115 T H hdisk5         DISK OPERATION ERROR

DCB47997   1117180015 T H hdisk0         DISK OPERATION ERROR