cciss_id: 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 CentOS possible default full paths are:

/sbin/cciss_id - from package: device-mapper-multipath

You may install the required package with command yum install {package}

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