btrfsck segmentation fault

2010-01-16 Thread André Goddard Rosa
Hello, when trying to btrfsck my filesystem, I got the following error: # btrfsck /dev/sda7 parent transid verify failed on 13785038848 wanted 45848 found 45839 Segmentation fault Crash occurs at extent-tree.c:find_first_block_group when it gets: leaf = path->nodes[0];

Re: Free space left

2010-01-16 Thread Mathieu Chouquet-Stringer
Hello, kreij...@gmail.com (Goffredo Baroncelli) writes: > Try btrfs-show > [...] How do you read this then: Label: none uuid: 27fafa43-7ad0-4e8a-ada8-36f73ef8984c Total devices 2 FS bytes used 79.63GB devid2 size 111.79GB used 111.01GB path /dev/sdb devid

Re: Free space left

2010-01-16 Thread Goffredo Baroncelli
On Saturday 16 January 2010, Mathieu Chouquet-Stringer wrote: > Hello, > > kreij...@gmail.com (Goffredo Baroncelli) writes: > > Try btrfs-show > > [...] > > How do you read this then: > > Label: none uuid: 27fafa43-7ad0-4e8a-ada8-36f73ef8984c > Total devices 2 FS bytes used 79.6

Re: Free space left

2010-01-16 Thread Goffredo Baroncelli
On Saturday 16 January 2010, you (Svein Erik Brostigen) wrote: > Goffredo Baroncelli wrote: > > Try btrfs-show > > > Ok: > $ mount > /dev/sdc on /media/452f782b-738a-4699-abfa-588eecab07ea type btrfs > (rw,nosuid,nodev,uhelper=devkit) > > $ df > /dev/sdc 932G 6.7G 925G 1%

Re: Free space left

2010-01-16 Thread Svein Erik Brostigen
Goffredo Baroncelli wrote: Try btrfs-show Ok: $ mount /dev/sdc on /media/452f782b-738a-4699-abfa-588eecab07ea type btrfs (rw,nosuid,nodev,uhelper=devkit) $ df /dev/sdc 932G 6.7G 925G 1% /media/452f782b-738a-4699-abfa-588eecab07ea $ btrfs-show failed to read /dev/sdb1 f

Re: Free space left

2010-01-16 Thread Goffredo Baroncelli
On Saturday 16 January 2010, you (Dipl.-Ing. Michael Niederle) wrote: > Hi, Goffredo! > > > Try btrfs-show > > Thanks for your advice! > > btrfs-show works but it displays a lot of error message for non-btrfs devices: > > > btrfs-show > failed to read /dev/sdg > failed to read /dev/sdg1 > fail

Re: Free space left

2010-01-16 Thread Dipl.-Ing. Michael Niederle
Hi, Goffredo! > Try btrfs-show Thanks for your advice! btrfs-show works but it displays a lot of error message for non-btrfs devices: > btrfs-show failed to read /dev/sdg failed to read /dev/sdg1 failed to read /dev/sdg2 failed to read /dev/sdg3 failed to read /dev/sdg4 failed to read /dev/md1

Re: Free space left

2010-01-16 Thread Goffredo Baroncelli
On Saturday 16 January 2010, Michael Niederle wrote: > How can I detect how much free space is left on a btrfs-volume? > > As I read (and learned in practice!) "df" reports cannot be trusted if used on > btrfs-volumes. Try btrfs-show $ btrfs-show Label: bar uuid: ec2918cd-ad47-4eac-9e85-5604b0

worse than expected compression ratios with -o compress

2010-01-16 Thread Jim Faulkner
I have a mysql database which consists of hundreds of millions, if not billions of Usenet newsgroup headers. This data should be highly compressable, so I put the mysql data directory on a btrfs filesystem mounted with the compress option: /dev/sdi on /var/news/mysql type btrfs (rw,noatime,c

Free space left

2010-01-16 Thread Michael Niederle
How can I detect how much free space is left on a btrfs-volume? As I read (and learned in practice!) "df" reports cannot be trusted if used on btrfs-volumes. Greetings, Michael -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.k