Poking around I just noticed that btrfs de stats /data points out that 3 of my drives have some read_io_errors. I'm guessing that is a bad thing. I assume this would indicate bad hardware and would be a likely cause of system crashes. :( On Tue, Dec 1, 2015 at 11:38 PM, Gareth Pye <gareth@xxxxxxxxxxxxxx> wrote: > I'm getting some crashes when converting from RAID1 to RAID5, I know > that there was some issues recently but was lead to believe that there > were fixes that should have been in 4.3. (I'm using the ubuntu kernel > ppa teams 4.3 kernel) > > One of the first things I checked was that I was using an up to date > btrfs util and it keeps reporting that I'm using version 4.0 (btrfs > --version). This is after confirming that my git clone is up to date, > the last commit to my master is talking about v4.3.1 and the > version.sh tells me it is 4.3.1 as well. Why the different reported > versions? > > i'm converting in small chunks so I can then do a balance to recover > the partial blocks, the following command locks the pc up > occassionally. Mostly the balance completes happily on next boot but > I've seen it cause a reboot once. > > btrfs fi balance start -dprofiles=raid1,convert=raid5,limit=1 /data > > After running that several times I'm using the following to clean up > the partial RAID5 chunks: > > btrfs fi balance start -dprofiles=raid5,usage=21 /data > > I haven't noticed that clean up balance ever crashing. Is this a > known bug or should I try and discover the cause better. Dmesg and > syslog don't have anything obvious in them. > > -- > Gareth Pye - blog.cerberos.id.au > Level 2 MTG Judge, Melbourne, Australia > "Dear God, I would like to file a bug report" -- Gareth Pye - blog.cerberos.id.au Level 2 MTG Judge, Melbourne, Australia "Dear God, I would like to file a bug report" -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
