Instaledl f17-rc4 and updated. all is good, fast, except for missing or bad config gui's like date, no windows share printers (3rd relese to do this in a row), no screen saver config, ...no firewall hence no sftp(but this could be a severkey issue?
LVM ext4 is faster than usual with new compiler and kernel.
Here is some btrfs commands in action.
LogVol72btrfs VolGroup72 -wi-a--- 331.50g
[root@Ruthie-07 ~]# btrfsck /dev/mapper/VolGroup72-LogVol72btrfs
checking extents
checking fs roots
checking root refs
found 82395975680 bytes used err is 0
total csum bytes: 80346192
total tree bytes: 121475072
total fs tree bytes: 10698752
btree space waste bytes: 24376626
file data blocks allocated: 82274500608
referenced 82274500608
Btrfs Btrfs v0.19
[root@Ruthie-07 ~]# mount /dev/mapper/VolGroup72-LogVol72btrfs -t btrfs /mnt/btr72
[root@Ruthie-07 ~]# lvs
LV VG Attr LSize Pool Origin Data% Move Log Copy% Convert
LogVol71Storage VolGroup71 -wi-ao-- 425.00g
LogVol71root VolGroup71 -wi-ao-- 32.00g
LogVol71swap VolGroup71 -wi-ao-- 4.00g
LogVol72Storage VolGroup72 -wi-a--- 600.00g
LogVol72btrfs VolGroup72 -wi-ao-- 331.50g
[root@Ruthie-07 ~]# btrfs filesystem defrag -s 0 -l 1025000 /mnt/btr72/BKUPS/YR2010/usb-*/*.rpm /mnt/btr72/BKUPS/YR2011/usb-*/*.rpm /mnt/btr72/BKUPS/YR2012/usb-*/*.rpm
[root@Ruthie-07 ~]# btrfs filesystem df /mnt/btr72
Data: total=150.01GB, used=76.62GB
System, DUP: total=8.00MB, used=24.00KB
System: total=4.00MB, used=0.00
Metadata, DUP: total=6.75GB, used=116.73MB
Metadata: total=8.00MB, used=0.00
[root@Ruthie-07 ~]# df -h
...
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/VolGroup72-LogVol72btrfs 332G 77G 242G 25% /mnt/btr72
Sj