Jafner.net/homelab/local-hosts/barbarian/COPY.md
Joey Hafner de9b8a5245
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2024-10-21 15:27:09 -07:00

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# Run a big copy operation with Rsync
Run below as root or superuser:
`rsync -avhW $FROM_DIR $TO_DIR > ~/copy.tmp`
- `-a` Archive mode (recursive, copy symlinks, preserve permissions, preserve modification times, preserve group, preserve owner, preserve device files).
- `-v` Verbose mode (print path of each file copied).
- `-h` Human readable (format numbers to be human-readable).
- `-W` Whole file (copy files whole, do not use transfer delta algorithm).
- `$FROM_DIR` Source directory, with trailing slash. E.g. `/mnt/Media/Media/`
- `$TO_DIR` Destination directory, with trailing slash. E.g. `/mnt/TEMP/Media/`
- `> ~/copy.tmp` Sends stdout to a file which can be used for scripting.
# Send a brief email notification when copy complete
```
( echo "Subject: Copy $FROM_DIR to $TO_DIR operation complete."
echo "Mime-Version: 1.0"
echo "Content-Type: multipart/mixed; boundary=\"d29a0c638b540b23e9a29a3a9aebc900aeeb6a82\""
echo "Content-Transfer-Encoding: 7bit"
echo ""
echo "--d29a0c638b540b23e9a29a3a9aebc900aeeb6a82"
echo "Content-Type: text/html; charset=\"UTF-8\""
echo "Content-Transfer-Encoding: 7bit"
echo "Content-Disposition: inline"
echo ""
echo "Copy $FROM_DIR to $TO_DIR complete. See attached log for details about what was copied."
echo ""
echo "--d29a0c638b540b23e9a29a3a9aebc900aeeb6a82"
echo "Content-Type: text/plain"
echo "Content-Transfer-Encoding: base64"
echo "Content-Disposition: attachment; filename=\"log.txt\""
echo ""
base64 "copy.tmp"
echo "--d29a0c638b540b23e9a29a3a9aebc900aeeb6a82--"
) | sendmail root
```
# Send a verbose email notification when copy complete
This should be set to run after the copy completes (e.g. in a script, or with an `&&`).
```
if [ $(ls -la copy.tmp | awk '{print $5}') -le 23000000 ]; then
( echo "Subject: Copy $FROM_DIR to $TO_DIR operation complete."
echo "Mime-Version: 1.0"
echo "Content-Type: multipart/mixed; boundary=\"d29a0c638b540b23e9a29a3a9aebc900aeeb6a82\""
echo "Content-Transfer-Encoding: 7bit"
echo ""
echo "--d29a0c638b540b23e9a29a3a9aebc900aeeb6a82"
echo "Content-Type: text/html; charset=\"UTF-8\""
echo "Content-Transfer-Encoding: 7bit"
echo "Content-Disposition: inline"
echo ""
echo "Copy $FROM_DIR to $TO_DIR complete. See attached log for details about what was copied."
echo ""
echo "--d29a0c638b540b23e9a29a3a9aebc900aeeb6a82"
echo "Content-Type: text/plain"
echo "Content-Transfer-Encoding: base64"
echo "Content-Disposition: attachment; filename=\"log.txt\""
echo ""
base64 "copy.tmp"
echo "--d29a0c638b540b23e9a29a3a9aebc900aeeb6a82--"
) | sendmail root
rm /tmp/copy.tmp
else
echo "Filesize too large to attach. See log file for details." | mail -s "Copy $FROM_DIR to $TO_DIR operation complete." root
mv copy.tmp copy_$(date +"%y-%m-%d").log
fi
```