Provided by: xrootd-client_5.7.3-1_amd64 
NAME
xrdcp - copy files
SYNOPSIS
xrdcp [options] source destination
options: [--cksum args] [--debug lvl]
[--coerce] [--force] [--help] [--license]
[--nopbar] [--posc] [--proxy ipaddr:port]
[--recursive] [--retry time] [--server]
[--silent] [--sources num] [--streams num]
[--tpc [delegate] first|only] [--verbose]
[--version] [--xrate rate] [--zip file]
[--dynamic-src] [--infiles fn]
[--parallel n] [--allow-http] [--xattr]
[--notlsok] [--tlsnodata] [--tlsmetalink]
[--zip-mtln-cksum] [--rm-bad-cksum] [--continue]
[--xrate-threshold] [--retry-policy]
legacy options: [-adler] [-DSparm string] [-DIparm number]
[-md5] [-np] [-ODcgi] [-OScgi] [-x]
DESCRIPTION
The xrdcp utility copies one or more files from one location to another. The data source and destination
may be a local or remote file or directory. Additionally, the data source may also reside on multiple
servers.
OPTIONS
-C | --cksum type[:value|print|source]
obtains the checksum of type (i.e. adler32, crc32, md5 or zcrc32) from the source, computes the
checksum at the destination, and verifies that they are the same. If auto is chosen as the checksum
type, xrdcp will try to automatically infer the right checksum type based on source/destination
configuration, source file type (metalink, ZIP), and available checksum plug-ins. If a value is
specified, it is used as the source checksum. When print is specified, the checksum at the
destination is printed but is not verified.
-d | --debug lvl
debug level: 1 (low), 2 (medium), 3 (high)
-F | --coerce
ignores locking semantics on the destination file. This option may lead to file corruption if not
properly used.
-f | --force
re-creates a file if it is already present.
-h | --help
displays usage information.
-H | --license
displays license terms and conditions.
-N | --nopbar
does not display the progress bar.
-P | --posc
requests POSC (persist-on-successful-close) processing to create a new file. Files are automatically
deleted should they not be successfully closed.
-D | --proxy proxyaddr:proxyport
[NOT YET IMPLEMENTED]
use proxyaddr:proxyport as a SOCKS4 proxy. Only numerical addresses are supported.
-r | --recursive
recursively copy all files starting at the given source directory.
--retry
retry failed copy-jobs.
--server
runs as if in a server environment. Used only for server-side third party copy support.
-s | --silent
neither produces summary information nor displays the progress bar.
-y | --sources num
uses up to num sources to copy the file.
-S | --streams num
use num parallel data streams to do the transfer (the main stream is in this case not used to carry
out the transfer). The maximum value is 15. The default is 0 (i.e., use only the control stream).
--tpc [delegate] first|only
copies the file from remote server to remote server using third-party-copy protocol (i.e., data
flows from server to server). The source and destination servers must support third party copies.
Additional security restrictions may apply and may cause the copy to fail if they cannot be
satisfied. Argument 'first' tries tpc and if it fails, does a normal copy; while 'only' fails the
copy unless tpc succeeds. When 'delegate' is specified, the copy delegates the command issuer's
credentials to the target server which uses those credentials to authenticate with the source
server. Delegation is ignored if the target server is not configured to use delegated credentials.
Currently, only gsi credentials can be delegated.
-v | --verbose
displays summary output.
-V | -version
displays version information and immediately exits.
-z | --zip file
copy given file from a ZIP archive (same as xrdcl.unzip opaque info).
-X | --xrate rate
limits the copy speed to the specified rate. The rate may be qualified with the letter k, m, or g to
indicate kilo, mega, or giga bytes, respectively. The option only applies when the source or
destination is local.
-X | --xrate-threshold rate
If the transfer rate drops below given threshold force the client to use different source or if no
more sources are available fail the transfer.
-Z | --dynamic-src
file size may change during the copy
-I | --infiles fn
specifies the file that contains a list of input files
--parallel n
number of copy jobs to be run simultaneously
--allow-http
allow HTTP as source or destination protocol. Requires the XrdClHttp client plugin
--xattr
preserve extended attributes
--notlsok
If server is too old to support TLS encryption fallback to unencrypted communication.
--tlsnodata
In case of roots/xroots protocol, encrypt only the control stream and leave the data streams
unencrypted.
--tlsmetalink
Treat all URLs in metalink as roots/xroots.
--zip-mtln-cksum
Use the checksum available in a metalink file even if a file is being extracted from a ZIP archive.
--rm-bad-cksum
Remove the target file if checksum verification failed (enables also POSC semantics).
--continue
Continue copying a file from the point where the previous copy was interrupted.
LEGACY OPTIONS
Legacy options are provided for backward compatibility. These are now deprecated and should be avoided.
-adler
equivalent to "--cksum adler32:source".
-DIpname numberval
set the internal parameter pname with the numeric value numberval.
-DSpname stringval
set the internal parameter pname with the string value stringval.
-md5
equivalent to "--cksum md5:source".
-np
equivalent to "--nopbar".
-ODcgi
add cgi information cgi to any destination xrootd URL. You should specify the opaque information
directly on the destination URL.
-OScgi
add cgi information cgi to any source xrootd URL.
-x
equivalent to "--sources 12".
OPERANDS
source
a dash (i.e. -) indicating stanard in, a local file, a local directory name suffixed by /, or an
xrootd URL in the form of
xroot://[user@]host[:port]/absolutepath
The absolutepath can be a directory.
destination
a dash (i.e. -) indicating stanard out, a local file, a local directory name suffixed by /, or an
xrootd URL in the form
xroot://[user@]host[:port]/absolutepath
The absolutepath can be a directory.
ENVIRONMENT
The following environment variables are supported. They apply to xrdfs and any other application using
the libXrdCl library, unless specified otherwise. The text in the brackets is a name of the corresponding
xrdcp commandline parameter.
XRD_LOGLEVEL
Determines the amount of diagnostics that should be printed. Valid values are: Dump, Debug, Info,
Warning, and Error.
XRD_LOGFILE
If set, the diagnostics will be printed to the specified file instead of stderr.
XRD_LOGMASK
Determines which diagnostics topics should be printed at all levels. It's a "|" separated list of
topics. The first element may be "All" in which case all the topics are enabled and the subsequent
elements may turn them off, or "None" in which case all the topics are disabled and the subsequent
flags may turn them on. If the topic name is prefixed with "^", then it means that the topic should
be disabled. If the topic name is not prefixed, then it means that the topic should be enabled.
The log mask may as well be handled for each diagnostic level separately by setting one or more of
the following variables: XRD_LOGMASK_ERROR, XRD_LOGMASK_WARNING, XRD_LOGMASK_INFO,
XRD_LOGMASK_DEBUG, and XRD_LOGMASK_DUMP. The default for each level is "All", except for the Dump
level, where the default is "All|^PollerMsg". This means that, at the Dump level, all the topics but
"PollerMsg" are enabled.
Available topics: AppMsg, UtilityMsg, FileMsg, PollerMsg, PostMasterMsg, XRootDTransportMsg,
TaskMgrMsg, XRootDMsg, FileSystemMsg, AsyncSockMsg, TlsMsg
XRD_TLSDBGLVL
Determine the debug level for the TLS component. Valid values are: OFF, CTX, SOK, SIO, ALL and OUT.
The default value is OFF.
XRD_PARALLELEVTLOOP
The number of event loops (i.e. the number of threads handling requests). Default number is 10.
XRD_READRECOVERY
Determines if read recovery should be enabled or disabled (enabled by default).
XRD_WRITERECOVERY
Determines if write recovery should be enabled or disabled (enabled by default).
XRD_OPENRECOVERY
Determines if open recovery should be enabled or disabled for mutable (truncate or create) opens
(enabled by default).
XRD_CONNECTIONWINDOW (-DIConnectionWindow)
A time window for the connection establishment. A connection failure is declared if the connection
is not established within the time window. If a connection failure happens earlier then another
connection attempt will only be made at the beginning of the next window.
XRD_CONNECTIONRETRY (-DIConnectionRetry)
Number of connection attempts that should be made (number of available connection windows) before
declaring a permanent failure.
XRD_REQUESTTIMEOUT (-DIRequestTimeout)
Default value for the time after which an error is declared if it was impossible to get a response
to a request.
XRD_STREAMTIMEOUT (-DIStreamTimeout)
Default value for the time after which a connection error is declared (and a recovery attempted) if
there are unfulfilled requests and there is no socket activity or a registered wait timeout.
XRD_SUBSTREAMSPERCHANNEL (-DISubStreamsPerChannel)
Number of streams per session.
XRD_TIMEOUTRESOLUTION (-DITimeoutResolution)
Resolution for the timeout events. Ie. timeout events will be processed only every
XRD_TIMEOUTRESOLUTION seconds.
XRD_STREAMERRORWINDOW (-DIStreamErrorWindow)
Time after which the permanent failure flags are cleared out and a new connection may be attempted
if needed.
XRD_RUNFORKHANDLER (-DIRunForkHandler)
Determines whether the fork handlers should be enabled, making the API fork safe.
XRD_REDIRECTLIMIT (-DIRedirectLimit)
Maximum number of allowed redirections.
XRD_NOTAUTHORIZEDRETRYLIMIT (-dNotAuthorizedRetryLimit)
Maximum number of allowed retries at a meta-manager for not-authorized error.
XRD_POLLERPREFERENCE (-DSPollerPreference)
A comma separated list of poller implementations in order of preference. The default is: built-in.
XRD_CLIENTMONITOR (-DSClientMonitor)
Path to the client monitor library.
XRD_CLIENTMONITORPARAM (-DSClientMonitorParam)
Additional optional parameters that will be passed to the monitoring object on initialization.
XRD_WORKERTHREADS (-DIWorkerThreads)
Number of threads processing user callbacks.
XRD_CPPARALLELCHUNKS (-DICPParallelChunks)
Maximum number of asynchronous requests being processed by the xrdcp command per connected channel
substream (adjusted in real-time).
XRD_CPCHUNKSIZE (-DICPChunkSize)
Size of a single data chunk handled by xrdcp.
XRD_NETWORKSTACK (-DSNetworkStack)
The network stack that the client should use to connect to the server. Possible values are:
IPAuto - automatically detect which IP stack to use
IPAll - use IPv6 stack (AF_INET6 sockets) and both IPv6 and IPv4 (mapped to IPv6) addresses
IPv6 - use only IPv6 stack and addresses
IPv4 - use only IPv4 stack (AF_INET sockets) and addresses
IPv4Mapped6 - use IPv6 stack and mapped IPv4 addresses
XRD_DATASERVERTTL (-DIDataServerTTL)
Time period after which an idle connection to a data server should be closed.
XRD_LOADBALANCERTTL (-DILoadBalancerTTL)
Time period after which an idle connection to a manager or a load balancer should be closed.
XRD_APPNAME (-DSAppName)
Override the application name reported to the server.
XRD_PLUGINCONFDIR
A custom location containing client plug-in config files.
XRD_PLUGIN
A default client plug-in to be used.
XRD_CPINITTIMEOUT (-DICPInitTimeout)
Maximum time allowed for the copy process to initialize, ie. open the source and destination files.
XRD_CPTPCTIMEOUT (-DICPTPCTimeout)
Maximum time allowed for a third-party copy operation to finish.
XRD_TCPKEEPALIVE (-DITCPKeepAlive)
Enable/Disable the TCP keep alive functionality
XRD_TCPKEEPALIVETIME (-DITCPKeepAliveTime)
Time between last data packet sent and the first keepalive probe (Linux only)
XRD_TCPKEEPALIVEINTERVAL (-DITCPKeepAliveInterval)
Interval between subsequent keepalive probes (Linux only)
XRD_TCPKEEPALIVEPROBES (-DITCPKeepProbes)
Number of unacknowledged probes before considering the connection dead (Linux only)
XRD_METALINKPROCESSING
Enable/Disable Metalink processing (enabled by default)
XRD_LOCALMETALINKFILE
Enable/Disable local Metalink file processing (by convention the following URL schema has to be
used: root://localfile//path/filename.meta4) The 'localfile' semantic is now deprecated, use
file://localhost/path/filename.meta4 instead!
XRD_GLFNREDIRECTOR
The redirector will be used as a last resort if the GLFN tag is specified in a Metalink file.
XRD_XCPBLOCKSIZE
Maximu size of a data block assigned to a single source in case of an extreme copy transfer.
XRD_NODELAY
Disables the Nagle algorithm if set to 1 (default), enables it if set to 0.
XRD_PREFERIPV4
If set the client tries first IPv4 address (turned off by default).
XRD_MAXMETALINKWAIT
The maximum time in seconds a clinet can be stalled by the server if a Metalink redirector is
available (defaults to 60s).
XRD_PRESERVELOCATETRIED
If set to 1 XRootD client will preserve tried/triedrc cgi opaque info for kXR_locate request across
redirects/retries, if set to 0 XRootD client will treat kXR_locate as any other passive request.
XRD_PRESERVEXATTRS
If set to 1 (default) xrdcp will preserve file extended attribues, if set to 0 file extended
attributes won't be preserved.
XRD_NOTLSOK
If set to 1 and the server is to old to support TLS encryption, xrdcp will fallback to unencrypted
transmission although roots/xroots protocol was used. By default set to 0.
XRD_TLSNODATA
If set to 1, in case of roots/xroots protocol only the control stream will be encrypted, data
streams will be left unencrypted. By default set to 0.
XRD_TLSMETALINK
If set to 1 all URLs in metalink will be treated as roots/xroots. By default set to 0.
XRD_ZIPMTLNCKSUM
If set to 1, use the checksum available in a metalink file even if a file is being extracted from a
ZIP archive. By default set to 0;
XRD_CPTIMEOUT
Timeout for a classical (not TPC) copy job. By default set to 0 (disabled);
XRD_CLCONFDIR
User defined directory with config files (*.conf).
XRD_CLCONFFILE
User defined config file.
XRD_CPRETRY
Maximum number of times to retry failed copy-jobs (default: 0).
XRD_CPRETRYPOLICY
Copy job retry policy, either force or retry (default: force).
XRD_CPUSEPGWRTRD
Enable in-fly error correction of corrupted pages (default: 1).
RETURN CODES
50 : generic error (e.g. config, internal, data, OS, command line option)
51 : socket related error
52 : postmaster related error
53 : XRootD related error
54 : redirection error
55 : query response was negative (this is not an error)
NOTES
Documentation for all components associated with xrdcp can be found at http://xrootd.org/docs.html
DIAGNOSTICS
Errors yield an error message and a non-zero exit status.
LICENSE
LGPL
SUPPORT LEVEL
The xrdcp command is supported by the xrootd collaboration. Contact information can be found at:
http://xrootd.org/contact.html
v5.7.3 xrdcopy(1)