[Jan]

(1st Dec, 2013 02:20 PM)mk01 Wrote:  for beta1X: if you removed subvolumes and adapted fstab to single subvolume btrfs filesystem, then the upgrade won't work (if you would insist on doing upgrade, then I can advise you how easily restore subvolumes). if you still have subvolumes, you should be ok. upgrade to beta2 should respect your root= setting in cmdline.txt and system itself is independent on actually booted root (in the mean of hard coded partition names/labels/uuids).

I am using beta 1.1 and while the were changes partitionwise, when I upgraded from alpha, I am under the impression, that, while I _use_ only a single btrfs volume, the prior partitions still exist (currently unused). Also I have one partition holding my media files.

xbian@xbian ~ $ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 1.4T 0 disk
|-sda1 8:1 0 239.2G 0 part
`-sda3 8:3 0 1.1T 0 part /media/Media-d45fd8fb-1c36-46cf-bc8e-e22c7
loop0 7:0 0 120M 0 loop [SWAP]
zram0 254:0 0 40M 0 disk [SWAP]
mmcblk0 179:0 0 3.7G 0 disk
|-mmcblk0p1 179:1 0 34M 0 part /boot
`-mmcblk0p2 179:2 0 3.6G 0 part

/boot/cmdline.txt reads like that:

sdhci-bcm2708.sync_after_dma=0 dwc_otg.lpm_enable=0 console=tty1 root=/dev/sda1 rootfsopts=noatime,compress=lzo,thread_pool=1,space_cache,autodefrag rootfstype=btrfs rootwait=20 smsc95xx.turbo_mode=N elevator=noop nohdparm splash logo.nologo quiet loglevel=0 noswap mod_scsi.scan=sync

xbian@xbian /boot $ sudo sfdisk -l /dev/sda

Disk /dev/sda: 2930277168 cylinders, 1 heads, 1 sectors/track
Units = cylinders of 512 bytes, blocks of 1024 bytes, counting from 0

Device Boot Start End #cyls #blocks Id System
/dev/sda1 2048 501637119 501635072 250817536 83 Linux
start: (c,h,s) expected (1023,0,1) found (0,32,33)
end: (c,h,s) expected (1023,0,1) found (1023,254,63)
/dev/sda2 0 - 0 0 0 Empty
/dev/sda3 501640461 2930277164 2428636704 1214318352 83 Linux
/dev/sda4 0 - 0 0 0 Empty