Unable to access disks
Access to the disk might be restricted due to incorrect disk specification or configuration failure during disk subsystem initialization.
If you cannot open a disk, the specification of the disk may be
incorrect. It is also possible that a configuration failure may
have occurred during disk subsystem initialization. For example, on Linux® you should consult /var/log/messages to
determine if disk device configuration errors have occurred.
Feb 16 13:11:18 host123 kernel: SCSI device sdu: 35466240 512-byte hdwr sectors (18159 MB)
Feb 16 13:11:18 host123 kernel: sdu: I/O error: dev 41:40, sector 0
Feb 16 13:11:18 host123 kernel: unable to read partition table
On AIX®, consult Operating system error logs for hardware configuration error log entries.
Accessible disk devices will generate error log entries similar
to this example for a SSA device:
--------------------------------------------------------------------------
LABEL: SSA_DEVICE_ERROR
IDENTIFIER: FE9E9357
Date/Time: Wed Sep 8 10:28:13 edt
Sequence Number: 54638
Machine Id: 000203334C00
Node Id: c154n09
Class: H
Type: PERM
Resource Name: pdisk23
Resource Class: pdisk
Resource Type: scsd
Location: USSA4B33-D3
VPD:
Manufacturer................IBM
Machine Type and Model......DRVC18B
Part Number.................09L1813
ROS Level and ID............0022
Serial Number...............6800D2A6HK
EC Level....................E32032
Device Specific.(Z2)........CUSHA022
Device Specific.(Z3)........09L1813
Device Specific.(Z4)........99168
Description
DISK OPERATION ERROR
Probable Causes
DASD DEVICE
Failure Causes
DISK DRIVE
Recommended Actions
PERFORM PROBLEM DETERMINATION PROCEDURES
Detail Data
ERROR CODE
2310 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
---------------------------------------------------------------------------
---------------------------------------------------------------------------
LABEL: MMFS_DISKFAIL
IDENTIFIER: 9C6C05FA
Date/Time: Tue Aug 3 11:26:34 edt
Sequence Number: 55062
Machine Id: 000196364C00
Node Id: c154n01
Class: H
Type: PERM
Resource Name: mmfs
Resource Class: NONE
Resource Type: NONE
Location:
Description
DISK FAILURE
Probable Causes
STORAGE SUBSYSTEM
DISK
Failure Causes
STORAGE SUBSYSTEM
DISK
Recommended Actions
CHECK POWER
RUN DIAGNOSTICS AGAINST THE FAILING DEVICE
Detail Data
EVENT CODE
1027755
VOLUME
fs3
RETURN CODE
19
PHYSICAL VOLUME
vp31n05
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