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

3. Update the kernel package or apply the OS update package.
4. Install HDLM.
For details on HDLM installation, see Installing HDLM for Managing Boot
Disks on page 3-132.
When you install HDLM, replace step 10 in Settings for Using a Logical
Volume (LVM2) on an HDLM Device as a Boot Disk on page 3-155
with
the following:
¢
To install HDLM, see
Performing a New Installation of HDLM on page
3-100 perform steps 2 to 10, 12, and 13 to create an HDLM device.
In steps 12 to 27 that follow, you will edit the configuration file to
change the definition so that the OS starts with HDLM specified.
Also, replace step 10 in Performing a New Installation of HDLM on page
3-100
with the following:
¢
Copy the files acquired from before HDLM was removed
(.dlmfdrv.conf and .dlmfdrv.unconf) into the directory /etc/opt/
DynamicLinkManager.
Go to step 13 to reboot the host.
When using Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6
When using Red Hat Enterprise Linux 5 or Red Hat Enterprise Linux 6, you
can update kernel packages or apply OS update packages while HDLM is
installed.
When you are not using the HDLM device as a boot disk
To update a kernel package or apply an OS update package when an
HDLM device is not used as the boot disk:
1. Perform the procedure in
Preparations for an Upgrade Installation or Re-
installation of HDLM on page 3-105.
2. Update the kernel package or apply the OS update package.
3. Execute the dlmupdatesysinit
utility for updating system scripts.
For details about this utility, see
dlmupdatesysinit Utility for Updating
System Scripts on page 7-41.
4. Restart the host.
When you are using the HDLM device as a boot disk
To update a kernel package or apply an OS update package when an
HDLM device is used as the boot disk:
1. Perform the procedure in Preparations for an Upgrade Installation or Re-
installation of HDLM on page 3-105.
2. Edit the configuration file by changing the OS startup definition so that
the OS will start with a SCSI device specified.
Perform step 1 to 16 in Upgrade Installation in an Environment Where an
HDLM Device Is Used as a Boot Disk on page 3-147.
4-12
HDLM Operation
Hitachi Dynamic Link Manager User Guide for Linux
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