USER DATA I/O ERROR

Hi all,
I ran

errpt -a 

.
I got the following errors , what they could be ? any ideas would be appreciated.

---------------------------------------------------------------------------
LABEL:          J2_USERDATA_EIO
IDENTIFIER:     EA88F829

Date/Time:       Sun Feb 12 16:08:03 USAST 2012
Sequence Number: 11302342
Machine Id:      00xxxxxxxx00
Node Id:         host1
Class:           O
Type:            INFO
Resource Name:   SYSJ2

Description
USER DATA I/O ERROR

Probable Causes
ADAPTER HARDWARE OR MICROCODE
DISK DRIVE HARDWARE OR MICROCODE
SOFTWARE DEVICE DRIVER
STORAGE CABLE LOOSE, DEFECTIVE, OR UNTERMINATED

        Recommended Actions
        CHECK CABLES AND THEIR CONNECTIONS
        INSTALL LATEST ADAPTER AND DRIVE MICROCODE
        INSTALL LATEST STORAGE DEVICE DRIVERS
        IF PROBLEM PERSISTS, CONTACT APPROPRIATE SERVICE REPRESENTATIVE

Detail Data
JFS2 MAJOR/MINOR DEVICE NUMBER
002E 0003
FILE SYSTEM DEVICE AND MOUNT POINT
/dev/fslv01, /usr/sap/SOL
Duplicates
Number of duplicates
           8
Time of first duplicate
Sun Feb 12 16:07:46 USAST 2012
Time of last duplicate
Sun Feb 12 16:08:03 USAST 2012
---------------------------------------------------------------------------
LABEL:          J2_USERDATA_EIO
IDENTIFIER:     EA88F829

Date/Time:       Sun Feb 12 16:07:46 USAST 2012
Sequence Number: 11302341
Machine Id:      00xxxxxxxx00
Node Id:         host1
Class:           O
Type:            INFO
Resource Name:   SYSJ2

Description
USER DATA I/O ERROR

Probable Causes
ADAPTER HARDWARE OR MICROCODE
DISK DRIVE HARDWARE OR MICROCODE
SOFTWARE DEVICE DRIVER
STORAGE CABLE LOOSE, DEFECTIVE, OR UNTERMINATED

        Recommended Actions
        CHECK CABLES AND THEIR CONNECTIONS
        INSTALL LATEST ADAPTER AND DRIVE MICROCODE
        INSTALL LATEST STORAGE DEVICE DRIVERS
        IF PROBLEM PERSISTS, CONTACT APPROPRIATE SERVICE REPRESENTATIVE

Detail Data
JFS2 MAJOR/MINOR DEVICE NUMBER
002E 0003
FILE SYSTEM DEVICE AND MOUNT POINT
/dev/fslv01, /usr/sap/SOL
---------------------------------------------------------------------------
LABEL:          TTY_TTYHOG
IDENTIFIER:     0873CF9F

Date/Time:       Sun Feb 12 14:49:26 USAST 2012
Sequence Number: 11302340
Machine Id:      00xxxxxxxx00
Node Id:         host1
Class:           S
Type:            TEMP
Resource Name:   pts/1

Description
TTYHOG OVER-RUN

Failure Causes
EXCESSIVE LOAD ON PROCESSOR

        Recommended Actions
        REDUCE SYSTEM LOAD.
        REDUCE SERIAL PORT BAUD RATE

---------------------------------------------------------------------------
LABEL:          TTY_TTYHOG
IDENTIFIER:     0873CF9F

Date/Time:       Sat Feb 11 15:49:53 USAST 2012
Sequence Number: 11302339
Machine Id:      00xxxxxxxx00
Node Id:         host1
Class:           S
Type:            TEMP
Resource Name:   pts/8

Description
TTYHOG OVER-RUN

Failure Causes
EXCESSIVE LOAD ON PROCESSOR

        Recommended Actions
        REDUCE SYSTEM LOAD.
        REDUCE SERIAL PORT BAUD RATE

Duplicates
Number of duplicates
           1
Time of first duplicate
Sat Feb 11 15:49:34 USAST 2012
Time of last duplicate
Sat Feb 11 15:49:53 USAST 2012
---------------------------------------------------------------------------
LABEL:          TTY_TTYHOG
IDENTIFIER:     0873CF9F

Date/Time:       Sat Feb 11 15:49:31 USAST 2012
Sequence Number: 11302338
Machine Id:      00xxxxxxxx00
Node Id:         host1
Class:           S
Type:            TEMP
Resource Name:   pts/8

Description
TTYHOG OVER-RUN

Failure Causes
EXCESSIVE LOAD ON PROCESSOR

        Recommended Actions
        REDUCE SYSTEM LOAD.
        REDUCE SERIAL PORT BAUD RATE

---------------------------------------------------------------------------
LABEL:          LVM_IO_FAIL
IDENTIFIER:     E86653C3

Date/Time:       Fri Feb 10 12:34:34 USAST 2012
Sequence Number: 11302171
Machine Id:      00xxxxxxxx00
Node Id:         host1
Class:           H
Type:            PERM
Resource Name:   LVDD
Resource Class:  NONE
Resource Type:   NONE
Location:

Description
I/O ERROR DETECTED BY LVM

Probable Causes
POWER, DRIVE, ADAPTER, OR CABLE FAILURE

        Recommended Actions
        RUN DIAGNOSTICS AGAINST THE FAILING DEVICE

Detail Data
PHYSICAL VOLUME DEVICE MAJOR/MINOR
8000 002D 0000 0002
ERROR CODE AS DEFINED IN sys/errno.h
           5
BLOCK NUMBER
              27558984
LOGICAL VOLUME DEVICE MAJOR/MINOR
8000 002E 0000 0003
PHYSICAL BUFFER TRANSACTION TIME
                     0
RESIDUAL COUNT
                  8192
NUMBER OF BLOCKS
                  8192
I/O TYPE
USER DATA
SENSE DATA
0000 0000 0000 D242 00CB C444 0000 4C00 0000 0128 3EFA 829F 00CB C444 3EFA 5BFF
0000 0000 0000 0000
---------------------------------------------------------------------------

ADAPTER HARDWARE OR MICROCODE
DISK DRIVE HARDWARE OR MICROCODE
SOFTWARE DEVICE DRIVER
STORAGE CABLE LOOSE, DEFECTIVE, OR UNTERMINATED

Local storage ? or SAN ? If local probably adapter run diag

SAN thru SVC
I already ran diagnostics with no clue
Any ideas or further checks?

No path lost errors ?
If you will go to support they will ask first for

  • Version of SVC
  • microcode of frame
  • type of adapters
  • microcode version on adapters
  • version of mpio (sddpcm) driver
    You should start investigation from that.

Or you have problems on SAN switches or some issue with adapter

If you have hardware support why you do not use it