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PostPosted: Sun Dec 31, 2006 11:08 am 
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Joined: Sat Jun 25, 2005 7:39 pm
Posts: 162
I wrote a script (modified from one I found on the internet) to mount my backup drive and rsync my home director plus the myth directory over to it. The script looks like:
Code:
#!/bin/sh
# Author: Brice Burgess - bhb@iceburg.net
# backup.sh -- backup to a local drive using rsync

TODAY=$(date +%B\ %d,\ %Y\ at\ %H\:%M)
echo "    .: Backup Routine for" $TODAY ":." >> /myth/logs/backup_log.txt

# Directories to backup. Separate with a space. Exclude trailing slash!
SOURCES="/home/mythtv /myth"

# Directory to backup to. This is where your backup(s) will be stored.
# Exclude trailing slash!
TARGET="/backup"

# Backup hard drive
BACKUP_HD="/dev/sdb1"

# Your EXCLUDE_FILE tells rsync what NOT to backup. Leave it unchanged if you want
# to backup all files in your SOURCES. If performing a FULL SYSTEM BACKUP, ie.
# Your SOURCES is set to "/", you will need to make use of EXCLUDE_FILE.
# The file should contain directories and filenames, one per line.
# An example of a EXCLUDE_FILE would be:
# /proc/
# /tmp/
# /mnt/
# *.SOME_KIND_OF_FILE

EXCLUDE_FILE="/myth/backup/exclude_file.txt"

#Mount backup HD at /backup
echo "Mounting backup HD"
mount -t xfs $BACKUP_HD /backup

# Comment out the following line to disable verbose output
#VERBOSE="-v"
###########################

if [ ! -x $TARGET ]; then
  echo "Backup target does not exist or you don't have permission!"
  echo "Exiting..."
  TODAY=$(date +%B\ %d,\ %Y\ at\ %H\:%M)
  echo "Backup target does not exist. Failed on" $TODAY >> /myth/logs/backup_log.txt
  exit 2
fi

echo "Verifying Sources..."
for source in $SOURCES; do
   echo "Checking $source..."
   if [ ! -x $source ]; then
     echo "Error with $source!"
     echo "Directory either does not exist, or you do not have proper permissions."
     TODAY=$(date +%B\ %d,\ %Y\ at\ %H\:%M)
     echo "Verifying Sources failed on" $TODAY >> /myth/logs/backup_log.txt
     exit 2
   fi
done

if [ -f $EXCLUDE_FILE ]; then
EXCLUDE="--exclude-from=$EXCLUDE_FILE"
fi

echo "Sources verified. Running rsync..."
for source in $SOURCES; do

  # Create directories in $TARGET to mimick source directory hiearchy
  if [ ! -d $TARGET/$source ]; then
    mkdir -p $TARGET/$source
  fi
 
  rsync $VERBOSE --exclude=$TARGET/ $EXCLUDE -a --delete $source/ $TARGET/$source/
 
done
 
  TODAY=$(date +%B\ %d,\ %Y\ at\ %H\:%M)
  echo "Backup completed successfully on" $TODAY >> /myth/logs/backup_log.txt

cd /
umount $BACKUP_HD
TODAY=$(date +%B\ %d,\ %Y\ at\ %H\:%M)
echo $BACKUP_HD "unmounted successfully on" $TODAY >> /myth/logs/backup_log.txt

exit 0

Running normally in the console it produces just this:
Code:
    .: Backup Routine for December 31, 2006 at 11:59 :.
Backup completed successfully on December 31, 2006 at 11:59
/dev/sdb1 unmounted successfully on December 31, 2006 at 11:59

It's meant to run at 2am everyday from the crontab with this:
Code:
* 2 * * *    root   backup_rsync.sh

Unfortunately, last night (the first time it ever ran by itself with crontab), it seemed to go into a loop for almost 3 hours. The log for that period says:
Code:
    .: Backup Routine for December 31, 2006 at 02:00 :.
    .: Backup Routine for December 31, 2006 at 02:01 :.
    .: Backup Routine for December 31, 2006 at 02:02 :.
    .: Backup Routine for December 31, 2006 at 02:03 :.
    .: Backup Routine for December 31, 2006 at 02:04 :.
    .: Backup Routine for December 31, 2006 at 02:05 :.
    .: Backup Routine for December 31, 2006 at 02:06 :.
    .: Backup Routine for December 31, 2006 at 02:07 :.
Backup completed successfully on December 31, 2006 at 02:07
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:07
    .: Backup Routine for December 31, 2006 at 02:08 :.
    .: Backup Routine for December 31, 2006 at 02:09 :.
    .: Backup Routine for December 31, 2006 at 02:10 :.
    .: Backup Routine for December 31, 2006 at 02:11 :.
    .: Backup Routine for December 31, 2006 at 02:12 :.
    .: Backup Routine for December 31, 2006 at 02:13 :.
    .: Backup Routine for December 31, 2006 at 02:14 :.
    .: Backup Routine for December 31, 2006 at 02:15 :.
Backup completed successfully on December 31, 2006 at 02:15
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:15
    .: Backup Routine for December 31, 2006 at 02:16 :.
    .: Backup Routine for December 31, 2006 at 02:17 :.
Backup completed successfully on December 31, 2006 at 02:17
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:17
    .: Backup Routine for December 31, 2006 at 02:18 :.
    .: Backup Routine for December 31, 2006 at 02:19 :.
    .: Backup Routine for December 31, 2006 at 02:20 :.
Backup completed successfully on December 31, 2006 at 02:20
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:20
    .: Backup Routine for December 31, 2006 at 02:21 :.
    .: Backup Routine for December 31, 2006 at 02:22 :.
    .: Backup Routine for December 31, 2006 at 02:23 :.
    .: Backup Routine for December 31, 2006 at 02:24 :.
    .: Backup Routine for December 31, 2006 at 02:25 :.
    .: Backup Routine for December 31, 2006 at 02:26 :.
    .: Backup Routine for December 31, 2006 at 02:27 :.
    .: Backup Routine for December 31, 2006 at 02:28 :.
    .: Backup Routine for December 31, 2006 at 02:29 :.
Backup completed successfully on December 31, 2006 at 02:29
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:29
    .: Backup Routine for December 31, 2006 at 02:30 :.
    .: Backup Routine for December 31, 2006 at 02:31 :.
    .: Backup Routine for December 31, 2006 at 02:32 :.
    .: Backup Routine for December 31, 2006 at 02:33 :.
    .: Backup Routine for December 31, 2006 at 02:34 :.
    .: Backup Routine for December 31, 2006 at 02:35 :.
    .: Backup Routine for December 31, 2006 at 02:36 :.
    .: Backup Routine for December 31, 2006 at 02:37 :.
    .: Backup Routine for December 31, 2006 at 02:38 :.
    .: Backup Routine for December 31, 2006 at 02:39 :.
Backup completed successfully on December 31, 2006 at 02:39
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:39
    .: Backup Routine for December 31, 2006 at 02:40 :.
    .: Backup Routine for December 31, 2006 at 02:41 :.
    .: Backup Routine for December 31, 2006 at 02:42 :.
Backup completed successfully on December 31, 2006 at 02:42
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:42
    .: Backup Routine for December 31, 2006 at 02:43 :.
    .: Backup Routine for December 31, 2006 at 02:44 :.
    .: Backup Routine for December 31, 2006 at 02:45 :.
    .: Backup Routine for December 31, 2006 at 02:46 :.
    .: Backup Routine for December 31, 2006 at 02:47 :.
Backup completed successfully on December 31, 2006 at 02:47
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:47
    .: Backup Routine for December 31, 2006 at 02:48 :.
    .: Backup Routine for December 31, 2006 at 02:49 :.
    .: Backup Routine for December 31, 2006 at 02:50 :.
    .: Backup Routine for December 31, 2006 at 02:51 :.
    .: Backup Routine for December 31, 2006 at 02:52 :.
    .: Backup Routine for December 31, 2006 at 02:53 :.
    .: Backup Routine for December 31, 2006 at 02:54 :.
    .: Backup Routine for December 31, 2006 at 02:55 :.
    .: Backup Routine for December 31, 2006 at 02:56 :.
    .: Backup Routine for December 31, 2006 at 02:57 :.
    .: Backup Routine for December 31, 2006 at 02:58 :.
Backup completed successfully on December 31, 2006 at 02:58
/dev/sdb1 unmounted successfully on December 31, 2006 at 02:58
    .: Backup Routine for December 31, 2006 at 02:59 :.
Backup completed successfully on December 31, 2006 at 03:06
/dev/sdb1 unmounted successfully on December 31, 2006 at 03:06
Backup completed successfully on December 31, 2006 at 03:25
/dev/sdb1 unmounted successfully on December 31, 2006 at 03:25
Backup completed successfully on December 31, 2006 at 03:31
/dev/sdb1 unmounted successfully on December 31, 2006 at 03:31
Backup completed successfully on December 31, 2006 at 03:52
/dev/sdb1 unmounted successfully on December 31, 2006 at 03:52
Backup completed successfully on December 31, 2006 at 03:53
/dev/sdb1 unmounted successfully on December 31, 2006 at 03:53
Backup completed successfully on December 31, 2006 at 03:53
/dev/sdb1 unmounted successfully on December 31, 2006 at 03:53
Backup completed successfully on December 31, 2006 at 04:00
/dev/sdb1 unmounted successfully on December 31, 2006 at 04:00
Backup completed successfully on December 31, 2006 at 04:18
/dev/sdb1 unmounted successfully on December 31, 2006 at 04:18
Backup completed successfully on December 31, 2006 at 04:23
/dev/sdb1 unmounted successfully on December 31, 2006 at 04:23
Backup completed successfully on December 31, 2006 at 04:51
/dev/sdb1 unmounted successfully on December 31, 2006 at 04:51
Backup completed successfully on December 31, 2006 at 05:12
Backup completed successfully on December 31, 2006 at 05:12
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:12
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:12
Backup completed successfully on December 31, 2006 at 05:20
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:20
Backup completed successfully on December 31, 2006 at 05:23
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:23
Backup completed successfully on December 31, 2006 at 05:24
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:24
Backup completed successfully on December 31, 2006 at 05:27
Backup completed successfully on December 31, 2006 at 05:27
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:27
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:27
Backup completed successfully on December 31, 2006 at 05:28
Backup completed successfully on December 31, 2006 at 05:28
Backup completed successfully on December 31, 2006 at 05:28
Backup completed successfully on December 31, 2006 at 05:28
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:28
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:28
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:28
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:28
Backup completed successfully on December 31, 2006 at 05:28
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:28
Backup completed successfully on December 31, 2006 at 05:30
Backup completed successfully on December 31, 2006 at 05:30
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:30
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:30
Backup completed successfully on December 31, 2006 at 05:31
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:31
Backup completed successfully on December 31, 2006 at 05:31
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:31
Backup completed successfully on December 31, 2006 at 05:32
Backup completed successfully on December 31, 2006 at 05:32
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:32
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:32
Backup completed successfully on December 31, 2006 at 05:33
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:33
Backup completed successfully on December 31, 2006 at 05:36
Backup completed successfully on December 31, 2006 at 05:36
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:36
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:36
Backup completed successfully on December 31, 2006 at 05:37
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:37
Backup completed successfully on December 31, 2006 at 05:37
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:37
Backup completed successfully on December 31, 2006 at 05:37
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:37
Backup completed successfully on December 31, 2006 at 05:38
Backup completed successfully on December 31, 2006 at 05:38
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:38
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:38
Backup completed successfully on December 31, 2006 at 05:39
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:39
Backup completed successfully on December 31, 2006 at 05:39
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:39
Backup completed successfully on December 31, 2006 at 05:41
Backup completed successfully on December 31, 2006 at 05:41
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:41
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:41
Backup completed successfully on December 31, 2006 at 05:42
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:42
Backup completed successfully on December 31, 2006 at 05:42
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:42
Backup completed successfully on December 31, 2006 at 05:42
Backup completed successfully on December 31, 2006 at 05:42
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:42
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:42
Backup completed successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43
Backup completed successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43
Backup completed successfully on December 31, 2006 at 05:43
Backup completed successfully on December 31, 2006 at 05:43
Backup completed successfully on December 31, 2006 at 05:43
Backup completed successfully on December 31, 2006 at 05:43
Backup completed successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43
/dev/sdb1 unmounted successfully on December 31, 2006 at 05:43

For some reason it didn't just run once, according to RRDtools, it just worked the processor and all the HD's for about 3 hours and I don't know why. Is something in my crontab messed up?


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PostPosted: Sun Dec 31, 2006 12:57 pm 
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Joined: Sat Feb 26, 2005 9:05 am
Posts: 160
Location: Ipswich, UK
I don't know if this is your actual problem but your crontab is definitely wrong:

Code:
* 2 * * *    root   backup_rsync.sh

Should be:
Code:
0 2 * * *    root   backup_rsync.sh


Your crontab sets it to run once every minute between 2am and 3am...

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 Post subject:
PostPosted: Sun Dec 31, 2006 1:03 pm 
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Joined: Sat Jun 25, 2005 7:39 pm
Posts: 162
Mephi wrote:
I don't know if this is your actual problem but your crontab is definitely wrong:

Code:
* 2 * * *    root   backup_rsync.sh

Should be:
Code:
0 2 * * *    root   backup_rsync.sh


Your crontab sets it to run once every minute between 2am and 3am...

Crap, I bet that's it. I've changed that and we'll see how it does tonight. I'm still wondering why it kept running till 5:40...


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 Post subject:
PostPosted: Sun Dec 31, 2006 2:40 pm 
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Site Admin
Joined: Fri Oct 31, 2003 11:40 pm
Posts: 357
Location: Irvine, Ca
Yes, your crontab is definitely Not what you wanted as you told it to run _every_ minute from 2:00 to 2:59 which it did, starting 60 copies running. If you wanted to run once copy at 2:00 then Mephi is right:
Code:
0 2 * * *    root   backup_rsync.sh

is the way to do that.

Check if you filled up the /backup directory on the root filesystem, too as it might have written there after unmounting /dev/sdb1.


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