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Exists in two variabts:
pdcp is a variant of the rcp(1) command. Unlike rcp(1), which copies files to a single remote host, pdcp can copy files to multiple remote hosts in parallel. However, pdcp does not recognize files in the format ''rname@rhost:path,'' therefore all source files must be on the local host machine. Destination nodes must be listed on the pdcp command line using a suitable target nodelist option (See the OPTIONS section below). Each destination node listed must have pdcp installed for the copy to succeed.
When pdcp receives SIGINT (ctrl-C), it lists the status of current threads. A second SIGINT within one second terminates the program. Pending threads may be canceled by issuing ctrl-Z within one second of ctrl-C. Pending threads are those that have not yet been initiated, or are still in the process of connecting to the remote host.
Like pdsh(1), the functionality of pdcp may be supplemented by dynamically loadable modules. In pdcp, the modules may provide a new connect protocol (replacing the standard rsh(1) protocol), filtering options (e.g. excluding hosts that are down), and/or host selection options (e.g. -a selects all nodes from a local config file). By default, pdcp requires at least one "rcmd" module to be loaded (to provide the channel for remote copy).
In other respects, rpdcp is exactly like pdcp, and further statements regarding pdcp in this manual also apply to rpdcp.
If a host or hostlist is preceded by a '-' character, this causes those hosts to be explicitly excluded. If the argument is preceded by a single '^' character, it is taken to be the path to file containing a list of hosts, one per line. If the item begins with a '/' character, it is taken as a regular expression on which to filter the list of hosts (a regex argument may also be optionally trailed by another '/', e.g. /node.*/). A regex or file name argument may also be preceeded by a minus '-' to exclude instead of include thoses hosts.
A list of hosts may also be preceded by "user@" to specify a remote username other than the default, or "rcmd_type:" to specify an alternate rcmd connection type for these hosts. When used together, the rcmd type must be specified first, e.g. "ssh:user1@host0" would use ssh to connect to host0 as user "user1."
This range syntax is meant only as a convenience on clusters with a prefixNN naming convention and specification of ranges should not be considered necessary -- the list foo1,foo9 could be specified as such, or by the range foo[1,9].
Some examples of range usage follow:
Copy /etc/hosts to foo01,foo02,...,foo05
pdcp -w foo[01-05] /etc/hosts /etc
Copy /etc/hosts to foo7,foo9,foo10
pdcp -w foo[7,9-10] /etc/hosts /etc
Copy /etc/hosts to foo0,foo4,foo5
pdcp -w foo[0-5] -x foo[1-3] /etc/hosts /etc
As a reminder to the reader, some shells will interpret brackets ('[' and ']') for pattern matching. Depending on your shell, it may
be necessary to enclose ranged lists within quotes. For example, in tcsh, the first example above should be executed as:pdcp -w
"foo[01-05]" /etc/hosts /etc
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