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Full Discussion: Xargs and rsync not sending all files
Top Forums Shell Programming and Scripting Xargs and rsync not sending all files Post 303039476 by DougyC on Monday 7th of October 2019 09:31:05 AM
Old 10-07-2019
[SOLVED} Xargs and rsync not sending all files
Hi all,

I have a script issue I can't seem to work out.

In a directory I have several folders and I want to send just the sapdata1 to sapdata14 folders and their contents but not sapdataXX/.snapshot

the script is:
Code:
#!/bin/bash

# SETUP OPTIONS
export SRCDIR="/scratch/doug/test/sapdata*"
export FSRCDIR="/scratch/doug/test"
export DESTDIR="fred@111.222.333.444:/sendtest/TST"
export THREADS="40"

echo "Starting... "
date

# RSYNC DIRECTORY STRUCTURE
rsync -zvr -f"- *sapdata*/.snapshot" -f"+ */" -f"- *" ${SRCDIR} ${DESTDIR} \

# FIND ALL FILES AND PASS THEM TO MULTIPLE RSYNC PROCESSES
cd $FSRCDIR  &&  find sapdata* -path "sapdata*/.snapshot" -prune -o ! -type d -print0 | xargs -0 -n1 -P${THREADS} -I% rsync -arvh --partial --size-only % ${DESTDIR}/%

echo "Complete"
date

The first rsync seems to work, I can see all the folders at the destination.

The find works and finds just over 600 files, however the xargs command only seems to send 40 files and then stops, I thought the -P would spawn 40 processes at a time until all the files were sent . I'm probably missing something obvious but I just can't figure it out.

I should also mention that I'm sending about 15Tb worth of large files. Hence the send in parallel script.

Any help appreciated.
Thanks
Last edited by DougyC; 10-09-2019 at 05:50 AM..
 

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LEARN ABOUT DEBIAN

parallel-rsync

PARALLEL-RSYNC(1)														 PARALLEL-RSYNC(1)

NAME

       parallel-rsync - deploy files to listed hosts

SYNOPSIS

       parallel-rsync [OPTIONS] -h hosts.txt local remote

DESCRIPTION

       pssh provides a number of commands for executing against a group of computers, using SSH. It's most useful for operating on clusters of
       homogenously-configured hosts.

       parallel-rsync deploy files files to all hosts you listed.

OPTIONS

       -r --recursive
	   recusively copy directories (OPTIONAL)

       -a ----archive
	   use rsync -a (archive mode) (OPTIONAL)

       -z --compress
	   use rsync compression (OPTIONAL)

       -h --hosts
	   hosts file (each line "host[:port] [user]")

       -l --user
	   username (OPTIONAL)

       -p --par
	   max number of parallel threads (OPTIONAL)

       -o --outdir
	   output directory for stdout files (OPTIONAL)

       -e --errdir
	   output directory for stderr files (OPTIONAL)

       -t --timeout
	   timeout (secs) (-1 = no timeout) per host (OPTIONAL)

       -O --options
	   SSH options (OPTIONAL)

       -v --verbose
	   turn on warning and diagnostic messages (OPTIONAL)

EXAMPLE

	   # parallel-rsync -r -h hosts.txt -l irb2 foo /home/irb2/foo

ENVIRONMENT

       All four programs take similar sets of options. All of these options can be set using the following environment variables:

       o   PSSH_HOSTS
       o   PSSH_USER
       o   PSSH_PAR
       o   PSSH_OUTDIR
       o   PSSH_VERBOSE
       o   PSSH_OPTIONS

SEE ALSO

       parallel-ssh(1), parallel-scp(1), parallel-slurp(1), parallel-nuke(1), ssh(1), rsync(1)

AUTHOR

       Brent N. Chun <bnc@theether.org>

COPYING

       Copyright: 2003, 2004, 2005, 2006, 2007 Brent N. Chun

NOTES

	1. bnc@theether.org
	   mailto:bnc@theether.org

								    03/30/2009							 PARALLEL-RSYNC(1)
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