glusterd: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On Debian possible default full paths are:

/usr/sbin/glusterd - from package: glusterfs-server

You may install the required package with command apt-get install {package}

Error in other languages:
glusterd: bevel nie gevind nie
glusterd: comandă negăsită
glusterd: comando não encontrado
glusterd: commande introuvable
glusterd: command not found
glusterd: käsku ei ole
glusterd: không tìm thấy lệnh
glusterd: komanda nerasta
glusterd: Kommando nicht gefunden.
glusterd: kommandot finns inte
glusterd: komut yok
glusterd: nie znaleziono polecenia
glusterd: níor aimsíodh an t-ordú
glusterd: no se encontró la orden
glusterd: no s'ha trobat l'ordre
glusterd: opdracht niet gevonden
glusterd: parancs nem található
glusterd: perintah tidak ditemukan
glusterd: príkaz nenájdený
glusterd: příkaz nenalezen
glusterd: команда не найдена
glusterd: командата не е открита
glusterd: 命令找不到
glusterd: コマンドが見つかりません