Hitachi Dynamic Link Manager Software Users Guide for Linux (7.6)

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When using Red Hat Enterprise Linux AS4/ES4 or SUSE LINUX
Enterprise Server:
You must first remove HDLM before updating the kernel package, and
then re-install it after the update. Note that removing and re-installing
HDLM might change the correspondence between HDLM devices and
SCSI devices.
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To update the kernel package in an environment that satisfies the
following conditions, you need to change the Persistent Binding setting:
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The host is in a Hitachi Compute Blade environment.
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The boot disk is managed by HDLM.
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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.
Overview of the Procedure for Installing HDLM in a Boot Disk
Environment
This subsection provides an overview of the procedure for installing HDLM in
a boot disk environment.
Settings for Using an HDLM Device as a Boot Disk
1. Check whether LABEL is used. If it is, remove it.
To use HDLM, you must remove the LABEL setting, because a SCSI device
cannot be identified from the value set in LABEL in an HDLM environment.
See steps 1 to 16 in
Settings for Using an HDLM Device as a Boot Disk on
page 3-137.
2. Install HDLM.
See step 17 in Settings for Using an HDLM Device as a Boot Disk on page
3-137.
3. Edit the configuration file to change the definition such that the HDLM
device can be used as a boot disk.
After editing the configuration file, restart the host to activate the setting.
See steps 18 to 34 in Settings for Using an HDLM Device as a Boot Disk
on page 3-137.
After completing the above procedure, you can perform a new installation of
HDLM in a boot disk environment that uses a SCSI device.
Creating an HDLM Environment
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Hitachi Dynamic Link Manager User Guide for Linux
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