Precautions Regarding Changes To The Configuration Of An Hdlm Operating Environment; Changing The Configuration Of A System That Uses Hdlm; When The Path Configuration Is Changed - Hitachi XP P9500 User Manual
Hitachi dynamic link manager software user guide for solaris (6.6) (hit5205-96011, november 2011)
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•
Changing the instance number of the HBA driver by changing the
contents of the /etc/path_to_inst file
•
Switching the kernel mode
Precautions Regarding Changes to the Configuration of an HDLM
Operating Environment
Keep the following in mind when changing the configuration of an HDLM
operating environment.
Changing the Configuration of a System that Uses HDLM
After changing the configuration of a system that uses HDLM, perform these
steps:
1
Delete all unnecessary logical device files in the /dev/dsk and /dev/rdsk
.
directories.
2
Back up the HDLM driver configuration definition file (/kernel/drv/
.
dlmfdrv.conf).
3
Execute the dlmsetconf utility for creating the HDLM driver configuration
.
definition file.
Edit the HDLM driver unconfiguration definition file (/opt/
DynamicLinkManager/config/dlmfdrv.unconf) as required, and then
execute the dlmsetconf utility.
For details on how to edit the HDLM driver unconfiguration definition file
(/opt/DynamicLinkManager/config/dlmfdrv.unconf), see
HDLM Device Unconfiguration Function When Performing a New
Installation of HDLM on page
4
Depending on the changes you have made to the HDLM system
.
configuration, restart the host with the reconfiguration option specified, or
execute the dlmcfgmgr utility for managing the HDLM configuration.
When the Path Configuration Is Changed
When the path configuration of an LU is changed and any of the following
operations occur, logical device files of HDLM devices might be re-created
with a different name:
•
The -r parameter was specified when executing the dlmsetconf utility for
creating the HDLM driver configuration definition file.
•
One of the following changes was made to the construction of the path
used by HDLM to determine the logical device file name of the HDLM
device:
¢
¢
A path was deleted.
The target ID was changed. Alternatively, when Sun HBA had been
used with fabric connection (using Sun StorageTek (TM) SAN
Foundation Software), the connection destination was changed to a
different storage port.
HDLM Operation
Hitachi Dynamic Link Manager User Guide (for Solaris(R))
3-66.
Using the
4-17
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