Yes, you can blink your disk enclosure whenever you want.
This tools made by Intel Corp. It's also opensource. Check this repos.
Installation is pretty simple, just go with your package manager.
root@server $ yum install ledmon root@server # df -h Filesystem Size Used Avail Use% Mounted on devtmpfs 55G 0 55G 0% /dev tmpfs 55G 0 55G 0% /dev/shm tmpfs 55G 42M 55G 1% /run tmpfs 55G 0 55G 0% /sys/fs/cgroup /dev/sdb2 107G 20G 87G 19% / /dev/sdb1 1014M 256M 759M 26% /boot /dev/sda 224G 196G 28G 88% /mnt/brick1 tmpfs 11G 0 11G 0% /run/user/9869 tmpfs 11G 0 11G 0% /run/user/0 firstname.lastname@example.org ~ # ledctl locate=/dev/sdb
This red blink won't stop until you tell Ledmon to stop.
email@example.com ~ # ledctl locate_off=/dev/sdb