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

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Host OS HDLM installation environment See:

Enterprise Linux

5 or Red Hat

Enterprise Linux

6 on page 4-12

When using Red Hat Enterprise Linux AS4/ES4, Oracle Enterprise

Linux 4, Oracle Enterprise Linux 5, Oracle Unbreakable Enterprise

Kernel 5, Oracle Unbreakable Enterprise Kernel 6, or SUSE Linux

Enterprise Server

If you are using Red Hat Enterprise Linux AS4/ES4, Oracle Enterprise Linux 4,

Oracle Enterprise Linux 5, Oracle Unbreakable Enterprise Kernel 5, Oracle

Unbreakable Enterprise Kernel 6, or SUSE LINUX Enterprise Server, you must

remove HDLM before updating a kernel package or applying an OS update

package.

After HDLM is removed, the mappings between HDLM devices and LDEV

information are not inherited even if you reinstall HDLM. The procedures

provided here assume that you want the mappings between HDLM devices

and LDEV information inherited.

If the mappings between HDLM devices and LDEV information do not need to

be inherited, the procedures provided here are unnecessary. Remove HDLM

by following the procedure in Removing HDLM on page 3-248, and then

update the kernel package or apply the OS update package. Afterwards,

follow the procedure in Installing HDLM on page 3-96 to install HDLM again.

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. Copy the following files into a directory:

/etc/opt/DynamicLinkManager/.dlmfdrv.conf

/etc/opt/DynamicLinkManager/.dlmfdrv.unconf

If this file does not exist, you do not have to copy it into a directory.

2. Remove HDLM.

For details on HDLM removal, see Removing HDLM on page 3-248.

3. Update the kernel package or apply the OS update package.

4. Install HDLM.

For details on HDLM installation, see

Installing HDLM on page 3-96.

When you install HDLM, replace step 10 in Performing a New Installation

of HDLM on page 3-100 with the following:

4-10

HDLM Operation

Hitachi Dynamic Link Manager User Guide for Linux