Another message, now, to confirm that everything is fine once booted on my main Gentoo, corruption do not come back. All directory (/opt, /mnt) are back and broken binaries are back alive too like nothing append. So for now on until the reason is found, I will use sysrescuecd to do the fscks and mount it in rw there first and then reboot on my normal OS. Mathieu On Wed, 6 Apr 2016 09:25:40 -0500 Mathieu Belanger <admin@xxxxxxxxxxx> wrote: > Well, I did boot systemrescuecd to fsck my /dev/sda2 and mount it ro to > do the backup and I was able to get all the data back but with a bonus : > I can mount the fscked /dev/sda2 in rw on systemrescuecd, the corruption > don't come back. SystemrescueCD is based on Gentoo I think. But the one > I got got a 3.18 kernel. I did manually compile the latest tools to be > sure and a got an error because 3.18 support format40 4.0.0, not 4.0.1 > but that error did not affect me. > > I will do more test with that "corrupt" partition before restorating > the backup. > > On Tue, 5 Apr 2016 17:43:45 +0200 > Edward Shishkin <edward.shishkin@xxxxxxxxx> wrote: > > > Hello Mathieu, > > > > I found that by default reiser4 still relies on a block layer feature, > > which is not longer supported. This is so-called "barriers". And yes, > > on the power outage bad things are bound to happen. However, it > > is up to bad luck. > > > > The attached patch removes the rest of block barriers support in > > reiser4. So, now we honestly wait for IO completion of wandered > > blocks (overwrite set) before submitting a journal header (journal > > footer). > > > > Not sure if it will address your problem though. Also, data corruption > > after rw-mounting of checked (rebuild-fs) partition is still a concern. > > > > Thanks, > > Edward. > > > -- > Mathieu Belanger <admin@xxxxxxxxxxx> > -- > To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Mathieu Belanger <admin@xxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe reiserfs-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
