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6 virtualization environments supported by hdlm – HP Hitachi Dynamic Link Manager Software User Manual

Page 109

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3. Creating an HDLM Environment

87

#

In this example, a device file for RAC whose major number is

307

and minor

number is

1608

is created.

3.

For the created alias device file, set the owner, group, and access permission

mode by using the following command. The owner, group, and access

permission mode to be set differs depending on the usage purpose of Oracle

RAC 11g corresponding to that device. For details on this point, refer to the

Oracle documentation.

# chmod

mode

/dev/

alias-device-file

# chown

owner

:

group

/dev/

alias-device-file


Execution example:

# chmod 640 /dev/crs_ocr1

# chown root:oinstall /dev/crs_ocr1

#

4.

Execute the following command for the created alias device file and check

that the major number, minor number, owner, group, and access permission

mode is properly set:

# ls -l /dev/

alias-device-file


Execution example:

# ls -l /dev/crs_ocr1

crw-r----- 1 root oinstall 307, 1608

date/time

/dev/

crs_ocr1

#

3.1.6 Virtualization Environments Supported by HDLM

HDLM supports LDoms in a virtualization environment.
LDoms consist of a control domain, and one or more service domains, I/O domains,

and guest domains.
The following describes domains supported by HDLM.

„

If the control domain and the I/O domains that manage the HBAs for

HDLM-managed storage are not separated:

HDLM can be installed in the control domain.