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. 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.
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