Mailinglist Archive: opensuse-factory (949 mails)

[Sid Boyce <sboyce@xxxxxxxxxxxxxxxx>]

On 02/08/09 18:02, Luc Willems wrote:
>  looking around on linux kernel mailing list i found this thread
>
> http://www.mail-archive.com/linux-btrfs@xxxxxxxxxxxxxxx/msg02487.html
>
> it mentions that using new version .19 of tools on "old" 2.6.30 kernel will 
> not work because of change in internal data storage structure.
>
> factory is using following versions :
> kernel :kernel-default-base-2.6.30.2-1.1
> btrfs tools: btrfsprogs-0.19-2.2
>
> There is a backport for 2.6.30 kernels. so is this backport included in 
> openSuSE kernel or do we need to downgrade btrfsprogs ?
>
>       luc
>  
You just reminded me, yesterday I read a long article via linuxtoday.com
about btrfs, that's what prompted me to try it. It did mention the
kernel problem and how Linus had to be rescued when he could no longer
get at data on 2.6.30 - may be he couldn't boot as he is using btrfs as
his root filesystem.
It'll be a while before I try using it for root seriously, perhaps on a
spare box pretty soon if and after 2.6.31-rc appears in factory.
Regards
Sid.

> On Sunday 02 August 2009 13:50:45 Luc Willems wrote:
> > Hello,
> >
> > i'm trying to test the new btrfs filesystem in opensuse factory.
> >
> > i have currently followin kernel and btrfs packages installed:
> > kernel-default-2.6.30-10.1
> > btrfsprogs-0.19-2.2
> >
> > i'm running this in VirtualBox 3.0.2
> > i can create btrfs on /dev/sdb1 but when i mount it , i get following error
> > :
> >
> > linux-m4pt:/home/luc # mount -vvvv /dev/sdb1 /data
> > mount: fstab path: "/etc/fstab"
> > mount: mtab path:  "/etc/mtab"
> > mount: lock path:  "/etc/mtab~"
> > mount: temp path:  "/etc/mtab.tmp"
> > mount: UID:        0
> > mount: eUID:       0
> > mount: spec:  "/dev/sdb1"
> > mount: node:  "/data"
> > mount: types: "(null)"
> > mount: opts:  "(null)"
> > mount: you didn't specify a filesystem type for /dev/sdb1
> >        I will try type btrfs
> > mount: mount(2) syscall: source: "/dev/sdb1", target: "/data",
> > filesystemtype: "btrfs", mountflags: -1058209792, data: (null) mount: wrong
> > fs type, bad option, bad superblock on /dev/sdb1,
> >        missing codepage or helper program, or other error
> >        In some cases useful info is found in syslog - try
> >        dmesg | tail  or so
> >
> > looking in dmes , i see following :
> >
> > [ 3086.053308] device fsid 3446bae7efc3e33f-daf4e58f9a3617ae devid 1
> > transid 7 /dev/sdb1 [ 3086.054435] BTRFS: couldn't mount because of
> > unsupported optional features (1). [ 3086.054593] btrfs: open_ctree failed
> >
> > checking the device seems to be ok
> > linux-m4pt:/home/luc # btrfsck /dev/sdb1
> > found 28672 bytes used err is 0
> > total csum bytes: 0
> > total tree bytes: 28672
> > total fs tree bytes: 4096
> > btree space waste bytes: 23875
> > file data blocks allocated: 0
> >  referenced 0
> > Btrfs Btrfs v0.19
> >
> >              luc


-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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