On Fri, Mar 6, 2015 at 10:22 AM, Marcel Ritter <ritter.mar...@gmail.com> wrote: > Hi, > > please, can someone comment on the current status of raid level migration? > (kernel 4.0.0-rc2, btrfs-progs 3.19-rc2) > > I just started testing this feature, and it doesn't seem to work: > > Starting with Raid1: > > root@thunder[ ~/btrfs-progs ]# ./btrfs fi df /tmp/m > Data, RAID1: total=3.00GiB, used=512.00KiB > Data, single: total=8.00MiB, used=0.00B > System, RAID1: total=8.00MiB, used=16.00KiB > System, single: total=4.00MiB, used=0.00B > Metadata, RAID1: total=1.00GiB, used=112.00KiB > Metadata, single: total=8.00MiB, used=0.00B > GlobalReserve, single: total=16.00MiB, used=0.00B > > Converting to Raid10: > > root@thunder[ ~/btrfs-progs ]# ./btrfs balance start -dconvert=raid10 > -mconvert=raid10 /tmp/m/ > Done, had to relocate 9 out of 9 chunks > > Still Raid1 ...: > > root@thunder[ ~/btrfs-progs ]# ./btrfs fi df /tmp/m > Data, RAID1: total=35.00GiB, used=31.49GiB > System, RAID1: total=32.00MiB, used=16.00KiB > Metadata, RAID1: total=1.00GiB, used=33.86MiB > GlobalReserve, single: total=16.00MiB, used=0.00B > > I also tried conversion of raid6 - but it did not work either > (according to btrfs fi df output). > > Did I miss something, or is it a bug?
Seems like the regression Holger found due to a patch added to 4.0: http://www.spinics.net/lists/linux-btrfs/msg42084.html (he mentions a 3.18.x kernel, but that's because he builds his own kernels with patches backported) > > Bye, > Marcel > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Filipe David Manana, "Reasonable men adapt themselves to the world. Unreasonable men adapt the world to themselves. That's why all progress depends on unreasonable men." -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
