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?
Thanks,
Marcus
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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.
On May 10, 2013, at 10:21 PM, Hugo Mills <hugo@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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Yes, you were right! Adding another drive to the array made it continue without errors. Is this already reported as a bug? Thanks for the help, Marcus 2013/5/10 Remco Hosman - Yerf IT <remco@yerf-it.nl>:> On May 10, 2013, at 10:21 PM, Hugo Mills <hugo@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 majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Fri, May 10, 2013 at 11:43:34PM +0200, Marcus Lövgren wrote:> Yes, you were right! Adding another drive to the array made it continue > without errors. Is this already reported as a bug?I believe it has been, yes. I think we''ve even had a patch out for it. I haven''t looked to see if it''s got into 3.10. Hugo.> Thanks for the help, > Marcus > > > 2013/5/10 Remco Hosman - Yerf IT <remco@yerf-it.nl> > > > On May 10, 2013, at 10:21 PM, Hugo Mills <hugo@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 --- Strive for apathy! ---
On 05/10/2013 11:46 PM, Hugo Mills wrote:> On Fri, May 10, 2013 at 11:43:34PM +0200, Marcus Lövgren wrote: >> Yes, you were right! Adding another drive to the array made it continue >> without errors. Is this already reported as a bug? > > I believe it has been, yes. I think we''ve even had a patch out for > it. I haven''t looked to see if it''s got into 3.10. >Yes, there is a patch but as far as I''ve seen it didn''t hit 3.10 (yet). I''ll repost it immediately. Thanks for reminding me on that, Andreas> Hugo. > >> Thanks for the help, >> Marcus >> >> >> 2013/5/10 Remco Hosman - Yerf IT <remco@yerf-it.nl> >> >>> On May 10, 2013, at 10:21 PM, Hugo Mills <hugo@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. >>>> >-- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html