[arch-general] After the recent linux kernel update booting fails if usb disks are present in /etc/fstab

[C Anthony Risinger]

On Mon, Jun 6, 2011 at 2:00 PM, C Anthony Risinger <anthony at xtfx.me> wrote:
> On Mon, Jun 6, 2011 at 10:26 AM, Javier Vasquez <j.e.vasquez.v at gmail.com> wrote:
>> On Mon, Jun 6, 2011 at 7:02 AM, Hector Martinez-Seara <hseara at gmail.com> wrote:
>>> Hi,
>>> The case is that we use usb external drives for storing data. It is
>>> likely not the most efficient way but is very very cheap. And yes they
>>> are plug 24/7. Anyway I will look for some post booting deamon that
>>> cant take care of them. Any idea anyone where to look for?
>>> Hector
>>
>> Autofs is what I use, you can use the UUIDs to mount specific
>> partitions at your will...
>
> yeah systemd does all this for me now, but before that i used autofs
> *alot* ... not only for this sort of thing but also FUSE stuff like
> sshfs/etc.
>
> it works well, though the config syntax can get a bit daunting.  you
> can even use a multi-map to create more autofs mounts on the fly, and
> ultimately have a whole tree of auto-cleaned mounts.
>
> ... eg:
>
> ----------------------------------------------------------------------------
> /app/tree  /port-scm/inst-sync    -fstype=autofs,-browse    :file:/none \
>            /port-scm/root-srv    -fstype=autofs,-browse    :file:/none \
>            /port-scm/root-sync    -fstype=autofs,-browse    :file:/none \
>            /port-scm/user-srv    -fstype=autofs,-browse    :file:/none \
>            /port-scm/user-sync    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-bin    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-dev    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-etc    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-lib    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-run    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-tmp    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-usr-share    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-var-cache    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-var-lib    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-var-log    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/inst-var-tmp    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-bin    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-dev    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-etc    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-lib    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-run    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-tmp    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-usr-share    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-var-cache    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-var-lib    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-var-log    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/root-var-tmp    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-bin    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-dev    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-etc    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-lib    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-run    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-tmp    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-usr-share    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-var-cache    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-var-lib    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-var-log    -fstype=autofs,-browse    :file:/none \
>            /virt-mnt/user-var-tmp    -fstype=autofs,-browse    :file:/none \
>            /virt-srv/core-misc    -fstype=autofs,-browse    :file:/none \
>            /virt-srv/node-misc    -fstype=autofs,-browse    :file:/none \
>            /virt-srv/user-misc    -fstype=autofs,-browse    :file:/none \
>            /virt-srv/util-misc    -fstype=autofs,-browse    :file:/none
> ----------------------------------------------------------------------------
>
> ... i know thats a lot, but when someone accessed `/app/tree` for the
> first time that whole entire hierarchy would be mounted under it.
> autofs will auto-create/remove intermediate directories.  other autofs
> *would* have been defined (all the `:file:/none` stuff) but i ended up
> moving to ayatemd exclusively because it %#$@-ing awesome and can do
> much much *much* more, in a clean and straightforward way.
>
> ... so you could always try installing/using that too :-)

ERATTA

... and by `ayatemd` i of course meant systemd :-)

curse my resistance to actually type after 15 years of computer
exposure!  i can't stand keyboards ... this is the future:

http://geekhack.org/showwiki.php?title=Island:10077

... except wireless, lightweight, and maybe even non-physical via
Kinect-like technology ;-)

C Anthony