> Dietmar Maurer wrote: > >>> Does that mean I should never use more than one device if I have > >>> applications depending on fsync (databases)? > >> It just means that write barriers won't get passed to the device. > >> This is only a problem if the devices have write caches. > > > > But fsync is implemented using 'write barriers' - so fsync does not > > work? > > > > After fsync, all data should be sent from the OS to the disk > controller: > > > > a.) this work perfectly using LVM? > > > > b.) this does not work at all using LVM? > > > > c.) it works when you use one single physical drive with LVM? Please, can someone answer that questions? - Dietmar _______________________________________________ linux-lvm mailing list linux-lvm@redhat.com https://www.redhat.com/mailman/listinfo/linux-lvm read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
