Chapter 10 Notes when Using the Multipath Driver
10.4 Troubleshooting
FUJITSU Storage ETERNUS Multipath Driver V2 User’s Guide for Linux
Copyright 2014 FUJITSU LIMITED
P2U3-0031-15ENZ0
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10.4
Troubleshooting
If you notice anything unusual, check the following points.
•
Is the syslog message one of the messages in
"Appendix A Syslog Messages" (page 125)
?
If it is, follow the instructions in
"Appendix A Syslog Messages" (page 125)
Contact us according to your support contract for the messages whose action is "Contact a Fujitsu
engineer".
•
When the command outputs an error message, refer to
"Chapter 11 Command Reference" (page 115)
.
•
Check this guide or the software information (/opt/FJSVmpd/manual/english/readme.pdf) to see if there
are points to note that apply to occurring symptom.
If you cannot find any solutions, contact us according to your support contract.
The following information is required to contact us according to your support contract.
•
Information related to the Linux server in use
-
Model name
-
HBA or NIC information
•
HBA or NIC product ID
-
OS
•
Version
•
Applied updates
-
Kernel version at the time of startup
-
Following information related to the Multipath Driver in use
•
Product version and applied updates
•
Information obtained from the "mpd_snap" command
Refer to
"11.3 "mpd_snap" Command" (page 124)
for details on the "mpd_snap" command.
•
Information related to the storage system in use
-
Product ID
-
Firmware version
-
RAID group settings
-
Zone settings (or Affinity group settings)
•
Information related to Fibre Channel switch, if used
-
Product ID
-
Zone settings
•
SAN connection diagram including the Linux server, storage system, and Fibre Channel switch (if used)
