monitorix-tmpfs/sync-monitorix

   1 #!/bin/bash
   2
   3 # Syncs your monitorix rrd databases in virtual memory on/dev/shm/monitorix
   4 # and uses rsync to keep it backed-up to your hdd. Why do this?  It minimizes
   5 # hdd usage.
   6 #
   7 # Note that this script was adapted from one originally written by Pwd which you
   8 # can find here http://wiki.archlinux.org/index.php/Speed-up_Firefox_using_tmpfs
   9
  10 STATIC=/var/lib/monitorix-backup
  11 LINK=/var/lib/monitorix
  12 VOLATILE=/dev/shm/monitorix-data # recommend you do NOT use /tmp if you use bleachbit
  13
  14 [[ -r $VOLATILE ]] || install -dm755 $VOLATILE
  15
  16 if [[ `readlink $LINK` != $VOLATILE ]]; then
  17   mv $LINK $STATIC
  18   ln -s $VOLATILE $LINK
  19 fi
  20
  21 if [[ -e $LINK/.flagged ]]; then
  22   rsync -av --delete --exclude .flagged $LINK/ $STATIC/
  23 else
  24   rsync -av $STATIC/ $LINK/
  25   touch $LINK/.flagged
  26 fi