Returns a new IOStatWatcher object.
Sets the list of hosts to connect to for collecting IOStat information. This call can block if you pass it hostnames instead of ip addresses.
Upon successful connection, the on_stats callback will be called each time the statistics are collected. Error states (failed connections, etc.) will trigger retries on 60 second intervals, and disconnects will trigger an immediate reconnect.
Sets the coderef called for the
Called each time device use statistics are collected.
host argument is the value passed in to the
stats object is a hashref of mogile device numbers (without leading "dev") to their corresponding utilization percentages.