Jan 17 15:04:22 hostname multipathd[625]: sda: add missing path
Jan 17 15:04:22 hostname multipathd[625]: sda: failed to get udev uid: Invalid argument
Jan 17 15:04:22 hostname multipathd[625]: sda: failed to get sysfs uid: Invalid argument
Jan 17 15:04:22 hostname multipathd[625]: sda: failed to get sgio uid: No such file or directory
The problem is that VMWare by default doesn't provide information needed by udev to generate /dev/disk/by-id entries. Apart from ESX, VMWare Workstation (my case) is also affected. The resolution is to put