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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 SUSE

rsync_selinux

rsync_selinux(8)					rsync Selinux Policy documentation					  rsync_selinux(8)

NAME

       rsync_selinux - Security Enhanced Linux Policy for the rsync daemon

DESCRIPTION

       Security-Enhanced Linux secures the rsync server via flexible mandatory access control.

FILE_CONTEXTS
       SELinux	requires  files to have an extended attribute to define the file type.	Policy governs the access daemons have to these files.	If
       you want to share files using the rsync daemon, you must label the files and directories public_content_t.  So if  you  created	a  special
       directory /var/rsync, you would need to label the directory with the chcon tool.

       chcon -t public_content_t /var/rsync

       To make this change permanent (survive a relabel), use the semanage command to add the change to file context configuration:

       semanage fcontext -a -t public_content_t "/var/rsync(/.*)?"

       This command adds the following entry to /etc/selinux/POLICYTYPE/contexts/files/file_contexts.local:

       /var/rsync(/.*)? system_u:object_r:publix_content_t:s0

       Run the restorecon command to apply the changes:

       restorecon -R -v /var/rsync/

SHARING FILES

       If  you	want  to  share  files	with multiple domains (Apache, FTP, rsync, Samba), you can set a file context of public_content_t and pub-
       lic_content_rw_t.  These context allow any of the above domains to read the content.  If you want a particular domain to write to the  pub-
       lic_content_rw_t domain, you must set the appropriate boolean.  allow_DOMAIN_anon_write.  So for rsync you would execute:

       setsebool -P allow_rsync_anon_write=1

BOOLEANS

       system-config-selinux is a GUI tool available to customize SELinux policy settings.

AUTHOR

       This manual page was written by Dan Walsh <dwalsh@redhat.com>.

SEE ALSO

       selinux(8), rsync(1), chcon(1), setsebool(8), semanage(8)

dwalsh@redhat.com						    17 Jan 2005 						  rsync_selinux(8)
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