Software RAID Management

Overview of all RAIDS cat /proc/mdstat Details for a RAID /sbin/mdadm -D /dev/md0 Add Device /sbin/mdadm –grow /dev/md0 -n3 Refresh a Device if it dropped out (through over-heating!) /sbin/mdadm –add /dev/md0 /dev/sdc1

Checking on available filespace

You can check on available file space using df -h or du To get a list in ascending order use: du -ah | sort -rn you can also | head to get top few files only.