installation and reference guide HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.02.00 (AA-RW8AF-TE, March 2009)
B Multipathing driver event log messages
This appendix lists the event log messages for HP MPIO MSA DSM drivers and provides a description
of each message. The error log messages are written in the SYSTEM log file.
This appendix describes the following event log messages:
• MPIO.SYS event log messages
• HP MPIO MSA DSM event log messages
MPIO.SYS event log messages
Table 6 lists MPIO driver event log messages, an explanation of each message, and a description of
the data that accompanies the message.
Table 6 MPIO.SYS event log messages
Contents of the
data dump
DescriptionMessageEvent
ID
N/A
MPIO created a new pseudo-LUN (a new
disk physical device object).
Pseudo-LUN created.
1
The current num-
ber of paths to the
device
A new instance of an existing pseudo-LUN
device object is seen through a different
path.
Added device to pseudo-
LUN.
2
N/A
MPIO failed to create a new (or update an
existing) pseudo-LUN device object, even
though DSM_name claimed support for it.
There was an error creat-
ing a device claimed by
the DSM.
3
The Path ID of the
failed device
A pseudo-LUN handled a failover. This
message does not indicate whether the fail-
over was successful.
A fail-over on pseudo-LUN
occurred.
16
N/A
At least one path to a pseudo-LUN has
failed. This signals the end of failover hand-
ling for the pseudo-LUN and that the device
is now operating with at least one less path.
Pseudo-LUN is currently
in a degraded state. One
or more paths have
failed, though the pro-
cess is now complete.
17
The Path ID of the
failing device
A pseudo-LUN has just one path, and DSM
has requested a failover.
A Single Path Fail-Over
is being attempted on
pseudo-LUN .
18
The Path ID of the
failing device
Resource allocation failed during an attemp-
ted failover, and failover is not currently
active.
An operation failed on
device due to lack of
memory.
19
HP MPIO Full Featured DSM for MSA1000/1500 (Active-Active) Disk Arrays 3.02.00 37