Asus DS300j G2 Series User Manual page 254

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To verify that the required packages are installed on the host, do the following actions:
1. Open a terminal window.
2. Type the following command and press Enter :
# rpm -qa | grep device-mapper
If the required package is present, the system returns the following line.
SLES 10 SP2:
device-mapper-1.02.13-6.14
SLES 10 SP3:
device-mapper-1.02.13-6.14
SLES 11:
device-mapper-1.02.27-8.6
SLES 11 SP1:
device-mapper-1.02.27-8.17.20
Note that the actual version number might be different, depending on your configuration.
3. Type the following command and press Enter :
# rpm -qa | grep multipath-tools
If the required package is present, the system returns the following line.
SLES 10 SP2:
multipath-tools-0.4.7-34.38
SLES 10 SP3:
multipath-tools-0.4.7-34.50.10
SLES 11:
multipath-tools-0.4.8-40.1
SLES 11 SP1:
multipath-tools-0.4.8-40.21.1
Note that the actual version number might be different, depending on your configuration.
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To setup multipathing with ASUS DS300f G2, or any other subsystem, you must provide the required device
attributes in a configuration file. The multipath configuration file is named multipath.conf. The functional version
of the file is saved in the /etc directory.
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For RedHat systems, there is a default /etc/multipath.conf file. However, the default file does not have the
required device attributes to work with ASUS DS300f G2.
There are also sample configuration files in the /usr/share/doc/device-mapper-multipath-[version] directory:
• multipath.conf.annotated – multipath device attributes listed and defined
• multipath.conf.synthetic – multipath device attributes listed only
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For SuSE systems, there is no default /etc/multipath.conf file.
There are sample multipath configuration files in the /usr/share/doc/packages/multipath-tools directory:
• multipath.conf.annotated – multipath device attributes listed and defined
• multipath.conf.synthetic – multipath device attributes listed only
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You must provide a configuration file with required device attributes to work with ASUS DS300f G2.
Take the following actions to prepare a configuration file:
1. Choose an existing multipath.conf file and open the file in a text editor.
2. Save a working copy of the file under another name.
3. Edit the file to include the following line under defaults:
defaults {
user_friendly_names yes
}
4. Edit the file to include the following lines under devices:
DS300f G2 Series User Manual
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