HOSTS
List of hosts; used if -h option not supplied.
opascpall8
Usage
opascpall [-p]
[-r]
[-f
hostfile]
[-h
'hosts']
[-u
user]
source_file dest_file
opascpall [-t]
[-p]
[-f
hostfile]
[-h
'hosts']
[-u
user]
[source_dir
[dest_dir]]
Options
-
--help -
Produces full help text.
-
-p -
Performs copy in parallel on all hosts.
-
-r -
Performs recursive copy of directories.
-
-t -
Performs optimized recursive copy of directories using tar. dest_dir is optional. If dest_dir is not specified, it defaults to the current directory name. If both source_dir and dest_dir are omitted, they both default to the current directory name.
-
-h hosts -
Specifies the list of hosts to copy to.
-
-f hostfile -
Specifies the file with hosts in cluster. Default is /etc/opa/hosts file.
-
-u user -
Specifies the user to perform copy to. Default is current user code.
- source_file
-
Specifies the a file or list of source files to copy.
- source_dir
-
Specifies the name of the source directory to copy. If omitted. is used.
- dest_file or dest_dir
-
Specifies the name of the destination file or directory to copy to. If more than one source file, this must be a directory. If omitted current directory name is used.
Examples
# efficiently copy an entire directory tree
opascpall -t -p /usr/src/opa/mpi_apps /usr/src/opa/mpi_apps
# copy a group of files
opascpall a b c /root/tools/
# copy to an explicitly specified set of hosts
opascpall -h 'arwen elrond' a b c /root/tools
HOSTS='arwen elrond' opascpall a b c /root/tools
Environment
The following environment variables are also used by this command:
-
HOSTS_FILE -
File containing list of hosts; used in absence of -f and -h.
-
FF_MAX_PARALLEL -
When the -p option is used, maximum concurrent operations are performed.
Releases
4 releases since Debian 10 (Buster); the text changed 1 time.