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Ledmon: Blink your disk enclosure

Intel's open-source ledmon lets you blink the LED on a specific drive in a server enclosure — handy when you need to physically locate a disk before pulling the wrong one.

1 min read

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