On May 10, 2013, at 10:21 PM, Hugo Mills <h...@carfax.org.uk> wrote: > On Fri, May 10, 2013 at 10:07:56PM +0200, Marcus Lövgren wrote: >> Hi list, >> >> I am using kernel 3.9.0, btrfs-progs 0.20-rc1-253-g7854c8b. >> >> I have a three disk array of level single: >> >> # btrfs fi sh >> Label: none uuid: 2e905f8f-e525-4114-afa6-cce48f77b629 >> Total devices 3 FS bytes used 3.80TB >> devid 1 size 2.73TB used 2.25TB path /dev/sdd >> devid 2 size 2.73TB used 1.55TB path /dev/sdc >> devid 3 size 2.73TB used 0.00 path /dev/sdb >> >> Btrfs v0.20-rc1-253-g7854c8b >> >> # btrfs fi df /mnt/data >> Data: total=3.79TB, used=3.79TB >> System: total=4.00MB, used=420.00KB >> Metadata: total=6.01GB, used=4.87GB >> >> >> When running >> # btrfs balance start -dconvert=raid5 -mconvert=raid5 /mnt/data >> >> I get >> >> ERROR: error during balancing '/mnt/data' - Invalid argument >> There may be more info in syslog - try dmesg | tail >> >> dmesg | tail says: >> >> btrfs: unable to start balance with target data profile 128 >> >> Isn't it possible to convert raid level to raid5? > > Yes, it should be possible. It looks like the kernel's got a > problem with it, which is odd because 3.9 should know about RAID-5. >
Wasn't there some issues that the kernel or tools wanted 4 disks when converting to raid5? Remco > Hugo. > > -- > === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === > PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk > --- I think that everything darkling says is actually a joke. --- > It's just that we haven't worked out most of them yet. -- 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
