Re: btrfs balance start -dconvert=raid5 on raid1 not converting to raid5

2015-04-25 Thread Omar Sandoval
On Sat, Apr 25, 2015 at 08:18:30AM +, Duncan wrote: > None None posted on Sat, 25 Apr 2015 05:56:50 +0200 as excerpted: > > > Omar Sandoval írta: > >>On Sat, Apr 25, 2015 at 04:47:31AM +0200, None None wrote: > >>> I tried to convert my btrfs from raid1 to raid5 but after the balance > >>> co

Re: btrfs balance start -dconvert=raid5 on raid1 not converting to raid5

2015-04-25 Thread Duncan
None None posted on Sat, 25 Apr 2015 05:56:50 +0200 as excerpted: > Omar Sandoval írta: >>On Sat, Apr 25, 2015 at 04:47:31AM +0200, None None wrote: >>> I tried to convert my btrfs from raid1 to raid5 but after the balance >>> command it's still raid1. >> >>This is a known bug in v4.0. I sent in

Re: btrfs balance start -dconvert=raid5 on raid1 not converting to raid5

2015-04-24 Thread None None
Omar Sandoval írta: >On Sat, Apr 25, 2015 at 04:47:31AM +0200, None None wrote: >> I tried to convert my btrfs from raid1 to raid5 but after the balance >> command it's still raid1. >> Also for raid56 the wiki says "Parity may be inconsistent after a crash (the >> "write hole")" >> does that m

Re: btrfs balance start -dconvert=raid5 on raid1 not converting to raid5

2015-04-24 Thread Omar Sandoval
On Sat, Apr 25, 2015 at 04:47:31AM +0200, None None wrote: > I tried to convert my btrfs from raid1 to raid5 but after the balance command > it's still raid1. > Also for raid56 the wiki says "Parity may be inconsistent after a crash (the > "write hole")" > does that mean if I convert metadata to

btrfs balance start -dconvert=raid5 on raid1 not converting to raid5

2015-04-24 Thread None None
I tried to convert my btrfs from raid1 to raid5 but after the balance command it's still raid1. Also for raid56 the wiki says "Parity may be inconsistent after a crash (the "write hole")" does that mean if I convert metadata to raid5/6 and the parity becomes inconsistent my btrfs will be lost?

Re: converting to raid5

2013-03-19 Thread Remco Hosman - Yerf-IT
Op 15-3-2013 13:47, David Sterba schreef: On Mon, Mar 11, 2013 at 09:15:44PM +0100, Remco Hosman wrote: first, i did the following: `btrfs val start -dconvert=raid5,usage=1` to convert the mostly empty chunks. This resulted in a lot of allocated space (10's of gigs), with only a few 100 meg us

Re: converting to raid5

2013-03-15 Thread David Sterba
On Mon, Mar 11, 2013 at 09:15:44PM +0100, Remco Hosman wrote: > first, i did the following: `btrfs val start -dconvert=raid5,usage=1` to > convert the mostly empty chunks. > This resulted in a lot of allocated space (10's of gigs), with only a few 100 > meg used. Matches my expectation, converti

converting to raid5

2013-03-11 Thread Remco Hosman
Hi, Just installed 3.9.0-rc2 and the latest btrfs-progs. filesystem is a 4 disk raid1 array. first, i did the following: `btrfs val start -dconvert=raid5,usage=1` to convert the mostly empty chunks. This resulted in a lot of allocated space (10's of gigs), with only a few 100 meg used. i did