On Mon, Jun 6, 2011 at 10:26 AM, Javier Vasquez <j.e.vasquez.v@xxxxxxxxx> wrote:
> On Mon, Jun 6, 2011 at 7:02 AM, Hector Martinez-Seara <hseara@xxxxxxxxx> 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 :-)
C Anthony
