HP XP P9500 Storage User Manual
Page 171
Upgrade Installation in an Environment Where an HDLM Device Is Used as
and perform operations while reading the SCSI
device names in those subsections as the new SCSI device names (udev
name) that were changed by using the udev function.
In an environment where HDLM has been installed, you can use the
dlmcfgmgr utility to check the correspondence between a SCSI device and
a udev name.
Figure 3-7 Example of Executing the dlmcfgmgr Utility with the -v and -
udev Parameters Specified on page 3-103
the dlmcfgmgr utility with the -v and -udev parameters specified.
Figure 3-7 Example of Executing the dlmcfgmgr Utility with the -v
and -udev Parameters Specified
The HDevName, Device, and Udev columns display HDLM devices, SCSI
devices, and udev names, respectively.
•
To update the kernel package, you need to perform either of the following
depending on which OS you are using:
¢
When using Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6:
Refer to the information about updating the kernel package in
Updating Kernel Packages and Applying OS Update Packages on page
¢
When using Red Hat Enterprise Linux AS4/ES4 or SUSE LINUX
Enterprise Server:
You must first uninstall HDLM before updating the kernel package,
and then re-install it after the update. Note that uninstalling and re-
installing HDLM might change the correspondence between HDLM
devices and SCSI devices.
•
To update the kernel package in an environment that satisfies the
following conditions, you need to change the Persistent Binding setting:
¢
The host is in a BladeSymphony environment.
¢
The boot disk is managed by HDLM.
¢
The Persistent Binding functionality is enabled.
For details about the Persistent Binding setting, see the manual Hitachi
Gigabit Fibre Channel Board User's Guide.
•
If you use HDLM on a boot disk, LUKS cannot be used for the swap
partitions.
•
If you use the kdump function in an environment where an HDLM device
is used as a boot disk, you might need to create an initial RAM disk image
file for kdump in a single-path boot disk environment that uses a SCSI
device.
Creating an HDLM Environment
3-103
Hitachi Dynamic Link Manager User Guide (for Linux(R))