NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | EXIT STATUS | SEE ALSO | ATTRIBUTES
The scnas command manages NAS devices in a Sun Cluster configuration. To manage NAS directories in the cluster, use the scnasdir(1M) command.
You can use the scnas command to create the NAS device configuration, to update the NAS type-specific properties, and to remove the device configuration from Sun Cluster. The options to this command are processed in the order in which they are typed on the command line.
The scnas command can only be run from an active cluster node. The results of running the command are always the same, regardless of the nodethat is used.
All forms of the scnas command accept the -H option. Specifying -H displays help information. All other options are ignored. Help information is also printed when scnas is run without options.
The NAS device must be set up before using the scnas command to manage a NAS device. Refer to the documentation for the particular NAS device for procedures for setting up a device.
The following options are common to all forms of the scnas command:
If this option is specified on the command line at any position, the command prints help information. All other options are ignored and are not executed. Help information is also printed if scnas is run with no options.
If this option is specified on the command line at any position, the scnas command only checks the usage and does not write the configuration data. If the -n option is specified with the -f option, the scnas command checks the input file for the password.
The following options modify the basic form and function of the scnas command. None of these options can be combined on the same command line.
Specifies the add form of the scnas command. The -a option can be used to add a NAS device into the Sun Cluster configuration. Additional associated properties of the device need to be specified.
Specifies the change form of the scnas command. The -c option is used to change specific NAS device properties.
Specifies the remove form of the scnas command. The -r option is used to remove the NAS device from the Sun Cluster configuration. Before removing a device, all its exported directories must be removed by using scnasdir.
Specifies the print form of the scnas command. When no other options are given, the -p option prints a listing of all the current NAS devices configured in Sun Cluster and all their associated properties. This option can be used with additional options to query a particular device or a particular type of device.
The following additional options can be combined with one or more of the previously described basic options to configure all properties for a device. The device does not need to be online to use these options. Refer to the SYNOPSIS section to see the options that can be used with each form of scnas.
The additional options are as follows:
Use this option to specify the name of the NAS device in the Sun Cluster configuration. The device name identifies the device and can be used to remotely access the device by using rhs or telnet.
This device name must be specified for the add, change, and remove forms of the scnas command.
The NAS device type. Currently, the NAS device type is identified by the vendor name.
For example, the NAS device type for Network Appliance, Inc. is netapp. This option is required when you add a NAS device to the Sun Cluster configuration.
Use this option to provide the properties that are specific to a NAS device type. For example, the NAS device from Network Appliance, Inc. has the following property:
-o userid=userid |
The userid property is used by the cluster to perform administrative duties on the device. When you add a userid to the device configuration, you are prompted for its password. You can also place the password in a text file and use it by specifying the -f option.
For security reasons, the password cannot be specified in command-line options. To keep the password secure, place it in a text file and specify the file by using the -f option. If you do not specify an input file for the password, the command prompts for the password.
Set permissions of the input file to readable by root and prohibit access by either group or world.
In the input file, the password cannot be entered across multiple lines. Leading white spaces and tabs are ignored. Comments begin with an unquoted # sign, and continue to the next new line.
The parser ignores all comments. When you use an input file for the device user password, the # sign cannot be part of the password.
The following scnas command adds a Network Appliance, Inc. storage system to the Sun Cluster configuration.
# scnas -a -h netapp1 -t netapp -o userid=root Please enter password: |
The following scnas command removes a NAS device from the Sun Cluster configuration.
# scnas -r -h netapp1 |
The following exit values are returned:
The command executed successfully.
An error has occurred.
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Availability |
SUNWcsu |
Stability |
Evolving |
NAME | SYNOPSIS | DESCRIPTION | OPTIONS | EXAMPLES | EXIT STATUS | SEE ALSO | ATTRIBUTES