If a Fibre cable is inadvertently disconnected between the host and a disk, you can restore communication between the host and the disk without restarting.
To restore lost cable communication between host and disk
format
command to verify that the host sees the disks. It may take a few minutes before the host is capable of seeing the disk.
vxdctl
command to force the VxVM configuration daemon vxconfigd
to rescan the disks: