exchanging a defective drive in a software RAID
setup: server with configured software RAID1 and LVM. If you have configured mdadm monitoring correctly you might receive an email like the following one day: A Fail event had been detected on md device /dev/md/0. It could be related to component device /dev/sda1. This requires immediate action because one of your hard disks is possibly broken. # cat /proc/mdstat Personalities : [raid1] md1 : active raid1 sda2[0](F) sdb2[1] 2929739071 blocks super 1....