HP Hitachi Dynamic Link Manager Software User Manual

Page 363

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4. HDLM Operation

339

4.2 Updating Kernel Packages and Applying OS Update Packages

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.
Table 4-1: HDLM Installation Environments in Which Kernel Packages Can Be

Updated or OS Update Packages Applied shows the HDLM installation environments

in which kernel packages can be updated or OS update packages applied.

Table 4-1: HDLM Installation Environments in Which Kernel Packages Can Be

Updated or OS Update Packages Applied

4.2.1 Environment Where an HDLM Device Is not Used as the 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 3.6.4 Performing a Re-installation of HDLM.

2.

Update the kernel package or OS update package.

3.

Execute the

dlmupdatesysinit

utility for updating system scripts.

For details about this utility, see 7.8 dlmupdatesysinit Utility for Updating System

Scripts.

4.

Restart the host.

4.2.2 Environment Where an HDLM Device Is Used as the 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 3.6.4 Performing a Re-installation of HDLM.

2.

Edit the configuration file by changing the OS startup definition so that the OS

will start with a SCSI device specified.

HDLM installation environment

See:

Environments where an HDLM device is not used as the boot
disk

4.2.1 Environment Where an HDLM Device Is
not Used as the Boot Disk

Boot disk environment

HDLM device

4.2.2 Environment Where an HDLM Device Is

Used as the Boot Disk

Logical volume (LVM2) on

an HDLM device

4.2.3 Environment Where a Logical Volume

(LVM2) on an HDLM Device Is Used as the Boot

Disk

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