Installing Hdlm For Managing Boot Disks; Notes On Installing Hdlm In A Boot Disk Environment - Hitachi XP P9500 User Manual

3. Creating an HDLM Environment

3.7 Installing HDLM for Managing Boot Disks

This section explains the procedure for installing HDLM in an environment in which
the boot disk is on a SCSI device in the storage system, and for creating an HDLM
device. This section also explains the procedure for setting up an environment in which
the HDLM device is the boot disk.

3.7.1 Notes on Installing HDLM in a Boot Disk Environment

Note the following when using HDLM on a boot disk:
The storage system for which the boot disk will be created must satisfy the
following conditions:
• The storage system supports the boot disk functionality even if HDLM is not
used.
• HBAs support startup from the storage system.
When you install the OS, create the root directory (
separate partitions.
When you use HDLM as a boot disk, do not specify an HDLM device for the
kernel parameters
When Red Hat Enterprise Linux, SUSE LINUX Enterprise Server 10 , or SUSE
LINUX Enterprise Server 11 is used, HDLM supports environments that use
LVM2 as a boot disk.
When Red Hat Enterprise Linux, SUSE LINUX Enterprise Server 10 , or SUSE
LINUX Enterprise Server 11 is used, HDLM does not support an environment
that uses an md device as a boot disk.
If you changed the configuration during startup or if the
are incorrect, the system might not start.
If the root directory (
error log (
a problem occurs, use the log displayed on the console to analyze the problem.
The
dlmcfgmgr
DynamicLinkManager/hdlmboot.log
Once you have built an environment for starting the OS from an HDLM device,
you cannot change the boot disk.
If you do not use the storage systems disk set for the boot disk, before you install
HDLM, edit the
specification and enable the sd device specification.
172
,
resume journal
) has not been mounted at startup, you cannot collect a boot
/
/etc/opt/DynamicLinkManager/hdlmboot.log
log created at startup is output to
file in the following manner to disable the
/etc/fstab
) and the
/
, and .
dump
/etc/fstab
/etc/opt/
.
directory in
/boot
file settings
). In this case, if
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