is_zero_device

Description:

[ Version ( since = "1.11.8" ) ]
public int8 is_zero_device (string device) throws Error

test if a device contains all zero bytes

This returns true iff the device exists and contains all zero bytes.

Note that for large devices this can take a long time to run.

Parameters:

this

A GuestfsSession object

Returns:

the returned value, or -1 on error