On Tue 30-09-14 20:18:01, Henrique de Moraes Holschuh wrote: > On Tue, 30 Sep 2014, Pavel Machek wrote: > > > > So I had to hard power-down the machine. That should be perfectly > > > > safe, as ext4 has a journal, and this is plain SATA disk, right? > > > Yes, it should be safe. > > > > Good. > > ... > > > Is there some phase during shutdown where journalling no longer > > protects fs integrity? > > Hmm... what kind of backing device? Because I have Crucial/Micron M500 SSDs > here that _always_ complain (in a SMART counter/attribute) that they have > been subject to a sudden poweroff *when subject to a normal system > shutdown*. > > This is scaring me a great deal. Are we doing something different for SSDs > in the scsi-sd or libata shutdown paths? Nothing I'm aware of but this is more a question for SCSI guys (added to CC). Honza -- Jan Kara <jack@xxxxxxx> SUSE Labs, CR -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
