Grid Computing with the IBM Grid Toolbox

Appendix B. Commands 177

Synopsis

globus-domainname [-help] [-version]

globus-domainname tries to return the system domainname

Setting the environment variable GLOBUS_HOSTNAME will cause

globus-domainname to return a valule based on this variable.

This is useful for specifying the use of certain network interfaces when

communicating etc.

Example

Example B-24 provides an example of this command.

Example: B-24 globus-domainname command

[ibmgrid@y1 ibmgrid]$ globus-domainname

itsolab-yanomani.com

globus-hostname

The globus-hostname command returns the system’s host name.

Synopsis

globus-hostname [-help] [-version]

globus-hostname returns the system hostname and makes some

additional checks to ensure a fully qualified hostname.

Setting the environment variable GLOBUS_HOSTNAME will cause

globus-hostname to return a valule based on this variable.

This is useful for specifying the use of certain network interfaces when

communicating etc.

Example

Example B-25 provides an example of this command.

Example: B-25 globus-hostname command

[ibmgrid@y1 ibmgrid]$ globus-hostname

y1.itsolab-yanomani.com

globus-url-copy

The globus-url-copy command provides a command line interface for using

GridFTP.

178 IBM Grid Toolbox

Synopsis

globus-url-copy [options] sourceURL destURL

OPTIONS

-help | -usage

Print help

-version

Print the version of this program

-versions

Print the versions of all modules that this program uses

-a | -ascii

convert the file to/from netASCII format to/from local file

format

-vb | -verbose

during the transfer, display the number of bytes transferred

and the transfer rate per second

-dbg |-debugftp

Debug ftp connections. Prints control channel communication

to stderr

-b | -binary

Do not apply any conversion to the files. *default*

-s <subject> | -subject <subject>

Use this subject to match with both the source and dest servers

-ss <subject> | -source-subject <subject>

Use this subject to match with the source server

-ds <subject> | -dest-subject <subject>

Use this subject to match with the destionation server

-tcp-bs <size> | -tcp-buffer-size <size>

specify the size (in bytes) of the buffer to be used by the

underlying ftp data channels

-bs <block size> | -block-size <block size>

specify the size (in bytes) of the buffer to be used by the

underlying transfer methods

-p <parallelism> | -parallel <parallelism>

specify the number of streams to be used in the ftp transfer

-notpt | -no-third-party-transfers

turn third-party transfers off (on by default)

-nodcau | -no-data-channel-authentication

turn off data channel authentication for ftp transfers

Example

Example B-26 provides an example of this command when transferring a file

from the local file system to a GridFTP server on a second host.

Example: B-26 globus-url-copy command

[ibmgrid@y1 ibmgrid]$ globus-url-copy file:///home/ibmgrid/transfertest

gsiftp://y2.itsolab-yanomani.com/tmp/transfertest