Linux Commands #
Pull Harddrive Model and Vendor Info #
cat /sys/class/block/sdc/device/{model,vendor}
Find a String within a file #
grep 'string' /etc/
Find a String within a file and write to a file #
grep 'string' /etc/ > /etc/search.txt
mdadm commands #
sudo mdadm -E /dev/sdb
sudo mdadm --query --detail /dev/md0
sudo mdadm --manage --add /dev/md0 /dev/sdb
sudo mdadm --assemble --scan
To grow a raid array #
remove the smaller disk
sudo mdadm --manage --remove /dev/sdb
mdadm --grow /dev/md0 --size=max
resize2fs /dev/md0
sudo mdadm --manage --add /dev/md0 /dev/sdb