I am seeing this error on AIX host connected to DMX. powermt display is showing "0" IO error.. what could be the reason for this error.

is there any command to confirm that the problem is not with DMX.

LABEL: SC_DISK_ERR2
IDENTIFIER: B6267342

Date/Time: Tue Jun 23 01:20:40 CDT 2009
Sequence Number: 3911
Machine Id: 00xxxxxxxx00
Class: H
Type: PERM
WPAR: Global
Resource Name: hdisk10
Resource Class: disk
Resource Type: SYMM_RAID1
Location: U5791.001.9920R22-P1-C08-T1-W50060482D52DDDA7-LAF000000000000
VPD:
Manufacturer................EMC
Machine Type and Model......SYMMETRIX
ROS Level and ID............5771
Serial Number...............xxxxx000
Part Number.................000000000000xxxxxxxxxxxx
EC Level....................101366
LIC Node VPD................00CD
Device Specific.(Z0)........03
Device Specific.(Z1)........61
Device Specific.(Z2)........577101050000000000012408
Device Specific.(Z3)........12000000
Device Specific.(Z4)........54130008
Device Specific.(Z5)........1F80
Device Specific.(Z6)........45

Description
DISK OPERATION ERROR

Probable Causes
DASD DEVICE

Failure Causes
DISK DRIVE
DISK DRIVE ELECTRONICS

Remove machine ID and serial number.
Message was edited by:
KCSCP