3 # Author: Alan J. Pippin
4 # Description: This script will attempt to scrub each zfs pool
5 # given to it in the for loop. This script ensures
6 # That only 1 scrub operation is running at any given time.
7 # This serializes the zfs scrub process for each pool.
9 PATH=/usr/sbin:/sbin:$PATH
13 logfile=/var/log/zfs/zfs-scrub.log
17 # Check to see if this zfs filesystem has a scrub being performed on it now.
18 # If it does, we cannot perform more than one scrub operation at a time.
20 zpool status | grep scrub: | grep "in progress" > /dev/null 2>&1
22 # Another zpool scrub operation is already running
23 # Wait until it is done before continuing
24 ransleep=$(($RANDOM % $maxsleeptime))
27 # Another zpool scrub operation is not running
33 echo "$date: Scrub started for zfs pool $i" >> $logfile