Self healing #17
One can configure self-healing parameter in storaged.conf to enable
self healing. In that case export-hosts parameter must be configured too.
When a device is broken for a given time, an automatic rebuild with
relocation accours.
Fix fstat requests
Do not use any more statistics in export object
X file #88
On can create a file name X in the directory of the root file system where
is supposed to be mounted a device. If the storio can see a file named X,
it knows that the device is not mounted and so considers the device as failed.
dangerous use of "fatal()" #85
Log priority of fatal() has been lowered from LOG_EMERG to LOG_ERR.
The application now crashes setting a log tagged fatal in the syslog
but no messages is sent to the terminals.