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 give it a kick 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

root@server ~
# ledctl locate=/dev/sdb

This red blink won't stop until you tell Ledmon to stop.

root@server ~
# ledctl locate_off=/dev/sdb