Quoting Hugo Mills <hugo@xxxxxxxxxxxxx>:
On Wed, May 23, 2012 at 12:00:02PM -0300, Rogerio Bastos wrote:
Hi,
I'm trying mount many subvolume during boot via fstab:
UUID=xxx /usr btrfs subvol=usr,ro,nodev 0 0
UUID=xxx /home btrfs subvol=home,nodev,nosuid 0 0
UUID=xxx /var btrfs subvol=var,nodev 0 0
UUID=xxx /var/tmp btrfs subvol=var-tmp,nodev,noexec,nosuid 0 0
But only the first one is mounted. When try to mount the others
subvolumes, I get this error:
mount: /dev/sda3 already mounted or /home busy
mount: according to mtab, /dev/sda3 is mounted on /usr
mount: /dev/sda3 already mounted or /var busy
mount: according to mtab, /dev/sda3 is mounted on /usr
mount: mount point /var/tmp does not exist
I'm using linux kernel 3.3.6 and mount 2.20 in Debian 7.
How are your subvolumes arranged?
If you have:
top-level # default subvolume mounted as /
`--- home
`--- usr
`--- var
`--- tmp
and you are mounting / first, then you don't need to mount the
subvolumes, as they're already visible within / I'm not quite sure
what the consequences of mounting a subvolume directly onto itself as
a mountpoint are -- but it may have this effect.
If you have:
top-level
`--- root # default subvolume mounted as /
`--- home
`--- usr
then you should be able to (and have to) mount them separately.
Hugo.
I have two partitions:
/dev/sda1 (top-level) # root filesystem
/dev/sda3 (top-level)
`--- home
`--- var
`--- var-tmp
`--- usr
The sda3's top-level isn't being mounted.
--
Rogerio de Carvalho Bastos
http://wiki.dcc.ufba.br/Main/RogerioBastos
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