btrfs-progs shouldn't be unconditionally trusting the backup superblocks
if the primary is garbage. It should only check the backups if the user
specifically asks it to.
Agreed. Let me add that all the rescue tools should accept a parameter
to pick the backup superblocks. Currently fsck -s,
On Fri, Feb 22, 2013 at 11:03:25AM -0800, Zach Brown wrote:
> > Next, since previously we had btrfs on sdb and mkfs.ext4
> > does not overwrite super-block mirror 1.. so
> >
> >btrfs_read_dev_super(int fd, struct btrfs_super_block *sb, u64
> > sb_bytenr)
> >
> > finds btrfs on sdb.
>
> bt
> Next, since previously we had btrfs on sdb and mkfs.ext4
> does not overwrite super-block mirror 1.. so
>
>btrfs_read_dev_super(int fd, struct btrfs_super_block *sb, u64
> sb_bytenr)
>
> finds btrfs on sdb.
btrfs-progs shouldn't be unconditionally trusting the backup superblocks
if the
setup:
mkfs.btrfs /dev/sdb
mkfs.ext4 /dev/sdb && mount /dev/sdb /ext4
mkfs.btrfs /dev/sdc /dev/sdd
test case:
mkfs.btrfs /dev/sdc /dev/sdd
problem:
mkfs is fine, however reports the following error ..
---
ERROR: unable to scan the device '/dev/sdb' - Device or resource busy
ERROR: u
