I have a backup script that runs on CRON that I developed about 5 years ago. It has always worked perfectly but a recent firmware update on my QNAP TS 259 has seem to break the large file move/copy capability amongst the ESATA drives.
I would like to just change my backhup.sh so that writes to two locations at once, instead of writing to one location then using CP to copy it to another location.
Code:
#!/bin/sh
####################################
#
# Backup to eSATA on NAS TS259.
#
####################################
# What to backup.
backup_files="/share/video/. /share/music/. /share/Web/. /share/tempdownload/. /share/Data/. /share/sheri.mccormack/. /share/pictures/. /share/Documents/. /share/charlie.mccormack/. /share/sydney.mccormack/. /share/persvideo/."
# Where to backup to.
dest1="/share/eSATADisk1/"
dest2="/share/eSATADisk2/"
#dest3=""
#dest4=""
# Create archive filename.
day=$(date +%Y%m%d-%H%M%S)
hostname=$(hostname -s)
archive_file="$hostname-$day.tgz"
# Print start status message.
echo "Backing up $backup_files to $dest/$archive_file"
date
echo
# Backup the files using tar.
#tar czfP $backup_files | tee $dest1/$archive_file $dest2/$archive_file
#tar czfP $dest2/$archive_file $backup_files
cp -rfpv $dest2/* $dest1/
# cp script for moving stuff around
#cp -rfpv $dest3/*.* $dest4/
# Print end status message.
echo
echo "Backup finished"
date
I also use this file to just move stuff around by adding and removing the # signs. So above were I do the tar command I assume I could write to two locations at the same time. Just not sure how to do it.
Any help greatly appreciated.
Moderator's Comments:
Please use CODE tags, rather than ICODE tags, for multiline samples
Last edited by Scrutinizer; 02-08-2015 at 02:00 PM..
Reason: icode tags ===>>> CODE tags
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LEARN ABOUT MINIX
libcurl-share
libcurl-share(3) libcurl share interface libcurl-share(3)NAME
libcurl-share - how to use the share interface
DESCRIPTION
This is an overview on how to use the libcurl share interface in your C programs. There are specific man pages for each function mentioned
in here.
All functions in the share interface are prefixed with curl_share.
OBJECTIVES
The share interface was added to enable sharing of data between curl "handles".
ONE SET OF DATA - MANY TRANSFERS
You can have multiple easy handles share data between them. Have them update and use the same cookie database or DNS cache! This way, each
single transfer will take advantage from data updates made by the other transfer(s).
SHARE OBJECT
You create a shared object with curl_share_init(3). It returns a handle for a newly created one.
You tell the shared object what data you want it to share by using curl_share_setopt(3). Currently you can only share DNS and/or COOKIE
data.
Since you can use this share from multiple threads, and libcurl has no internal thread synchronization, you must provide mutex callbacks if
you're using this multi-threaded. You set lock and unlock functions with curl_share_setopt(3) too.
Then, you make an easy handle to use this share, you set the CURLOPT_SHARE option with curl_easy_setopt(3), and pass in share handle. You
can make any number of easy handles share the same share handle.
To make an easy handle stop using that particular share, you set CURLOPT_SHARE to NULL for that easy handle. To make a handle stop sharing
a particular data, you can CURLSHOPT_UNSHARE it.
When you're done using the share, make sure that no easy handle is still using it, and call curl_share_cleanup(3) on the handle.
SEE ALSO curl_share_init(3), curl_share_setopt(3), curl_share_cleanup(3)libcurl 7.10.7 8 Aug 2003 libcurl-share(3)
02-08-2015
