3 # Author: Alan J. Pippin
4 # Description: This script will attempt to scrub a given pool.
5 # This script ensures that only 1 scrub operation is
6 # running at any given time. This serializes the zfs
7 # scrub process for any pool.
9 PATH=/usr/sbin:/sbin:/etc/bin:$PATH
15 if [ -z "$pools" ]; then
16 echo "-E- Usage: $0 <pools>"
22 # Check to see if any zfs filesystem has a scrub being performed on it now.
23 # If it does, we cannot perform more than one scrub operation at a time.
25 zpool status | grep scrub: | grep "in progress" > /dev/null 2>&1
27 # Another zpool scrub operation is already running
28 # Wait until it is done before continuing
29 ransleep=$(($RANDOM % $maxsleeptime))
32 # Another zpool scrub operation is not running
38 echo "$date: Scrub started for zfs pool $i"
41 # Wait until the scrub completes, and check for any errors
43 zpool status $i | grep scrub: | grep "in progress" > /dev/null 2>&1
45 # Our zpool scrub operation is still running
46 # Wait until it is done before continuing
47 ransleep=$(($RANDOM % $maxsleeptime))
50 # Our scrub operation has completed
56 echo "$date: Scrub completed for zfs pool $i"
58 # Check for any scrub errors
59 zpool status $i | grep scrub: | grep "with 0 errors" > /dev/null 2>&1
61 # The scrub found errors
62 zpool status $i | /usr/bin/mailx -s "zpool scrub $i found errors" $mailto