Re: NFS support

2010-11-10 Thread Josef Bacik
On Wed, Nov 10, 2010 at 12:53:59PM +0800, Wenyi Liu wrote: Hi All: I found the project ideas about NFS support in btrfs wiki. But, I have long time to disconnect to the btrfs mail list. Can you give me the process of the support? Thanks!! NFS support already is there. Thanks, Josef

Re: labelling

2010-11-10 Thread Hugo Mills
On Wed, Nov 10, 2010 at 08:40:00AM +0100, Helmut Hullen wrote: Hallo, linux-btrfs, I have problems with btrfs labels. My way: 2-TByte-disk: mkfs.btrs LABEL=MM2 /dev/sdd2 worked. Mounting mount LABEL=MM2 /srv/MM worked. Additional 1.5-TByte-Disk: btrfs add

migrating drives (device delete)

2010-11-10 Thread Oliver Večernik
Hi, running on Ubuntu server 10.10 (2.6.35-22-server) I've got a 160GB disk for / (/boot is on another partition with ext2). I added another 750GB drive with the following command: # btrfs device add /dev/sdb2 / # btrfs device balance / As far as I can see it is a RAID 0 and now full: # sudo

Re: migrating drives (device delete)

2010-11-10 Thread Oliver Večernik
Hallo Helmut, What tells df: about 300 GByte in use? # df -h | head -n 2 FilesystemSize Used Avail Use% Mounted on /dev/sda2 844G 293G 552G 35% / # btrfs filesystem df / Metadata: total=896.00MB, used=484.77MB Data: total=291.50GB, used=291.15GB System:

Re: migrating drives (device delete)

2010-11-10 Thread Helmut Hullen
Hallo, Oliver, Du meintest am 10.11.10: # sudo btrfs filesystem show Label: none uuid: cd4fd4c1-0632-4cbe-bf3b-ba7a9acda1e0 Total devices 2 FS bytes used 291.62GB devid2 size 696.77GB used 146.63GB path /dev/sdb2 devid1 size 147.19GB used 146.64GB path

btrfs review

2010-11-10 Thread ext-alexander.vdovichev
Hi list, I spent some time with btrfs testing and reviewing - the document can be found here - http://www.sendspace.com/file/f7u51m (it was too large to attach it here). Please comment it. Thanks,-- To unsubscribe from this list: send the line unsubscribe linux-btrfs in the body of a message

Re: labelling

2010-11-10 Thread Helmut Hullen
Hallo, Hugo, Du meintest am 10.11.10: findfs LABEL=MM2 shows /dev/sdd2 (the first partition) file -s /dev/sdd2 file -s /dev/sdc3 shows LABEL=MM2 for both partitions (that's not good). No, this is both good and correct. You've got a single filesystem spanning

Re: migrating drives (device delete)

2010-11-10 Thread Oliver Večernik
This isn't necessarily RAID-0. It's just spread the block group allocations across both drives. Block groups are 1 GiB in size. if you use RAID-0, it will allocate block groups in pairs, on different drives, and stripe the data within the pair (on some much smaller stripe size). If you use

Re: Chunk map/control

2010-11-10 Thread Phillip Susi
On 9/22/2010 4:12 PM, Phillip Susi wrote: Is there currently a way to view and manipulate the chunks? If I understand things correctly, a new fs has a few chunks: 1) System chunk. Contains tree of trees, device tree, chunk tree. 2) Metadata chunk. Contains the directory tree for the

Re: labelling

2010-11-10 Thread Helmut Hullen
Hallo, Hugo, Du meintest am 10.11.10: findfs LABEL=MM2 shows /dev/sdd2 (the first partition) file -s /dev/sdd2 file -s /dev/sdc3 shows LABEL=MM2 for both partitions [...] Unmounting /srv/MM and mount LABEL=MM2 /srv/MM doesn't work now, it tries to

Re: Btrfs-progs: Update man page for mixed data+metadata option.

2010-11-10 Thread Josef Bacik
On Wed, Nov 10, 2010 at 12:02:18PM -0600, Mitch Harder wrote: Update the mkfs.btrfs man page for the -M option to mix data and metadata chunks. Signed-off-by: Mitch Harder mitch.har...@sabayonlinux.org --- man/mkfs.btrfs.8.in |5 + 1 files changed, 5 insertions(+), 0 deletions(-)

Re: Btrfs-progs: Update man page for mixed data+metadata option.

2010-11-10 Thread Mitch Harder
On Wed, Nov 10, 2010 at 8:10 PM, Josef Bacik jo...@redhat.com wrote: On Wed, Nov 10, 2010 at 12:02:18PM -0600, Mitch Harder wrote: Update the mkfs.btrfs man page for the -M option to mix data and metadata chunks. Signed-off-by: Mitch Harder mitch.har...@sabayonlinux.org ---  

Re: Btrfs-progs: Update man page for mixed data+metadata option.

2010-11-10 Thread C Anthony Risinger
On Wed, Nov 10, 2010 at 9:53 PM, Mitch Harder mitch.har...@sabayonlinux.org wrote: On Wed, Nov 10, 2010 at 8:10 PM, Josef Bacik jo...@redhat.com wrote: On Wed, Nov 10, 2010 at 12:02:18PM -0600, Mitch Harder wrote: Update the mkfs.btrfs man page for the -M option to mix data and metadata

Re: On Removing BUG_ON macros

2010-11-10 Thread Ian Kent
On Mon, 2010-11-08 at 23:02 +0800, Ian Kent wrote: On Mon, 2010-11-08 at 09:15 -0500, Josef Bacik wrote: On Mon, Nov 08, 2010 at 10:06:13PM +0800, Ian Kent wrote: On Mon, 2010-11-08 at 07:42 -0500, Josef Bacik wrote: On Mon, Nov 08, 2010 at 10:54:07AM +0800, Ian Kent wrote: On Sun,

Re: NFS support

2010-11-10 Thread Wenyi Liu
Thank you, I will choose another one. 2010/11/10, Josef Bacik jo...@redhat.com: On Wed, Nov 10, 2010 at 12:53:59PM +0800, Wenyi Liu wrote: Hi All: I found the project ideas about NFS support in btrfs wiki. But, I have long time to disconnect to the btrfs mail list. Can you give me the