[PLUG] autofs...

Larry Brigman larry.brigman at gmail.com
Thu Jul 8 15:37:05 UTC 2010


On Thu, Jul 8, 2010 at 2:49 AM, Michael C. Robinson
<plug_1 at robinson-west.com> wrote:
> Does autofs auto unmount removable media drives as well?
>
> I've been struggling with bash to count seconds off of the date command
> to try and get syntax right before tackling file access times, can't
> remember how to get that value by the way.  The thought is, if a file
> isn't currently being accessed and it hasn't been accessed for say 6
> seconds, then the user probably wants some media to be unmounted.
> Clearly when the unmount happens, the link to the auto mounted media
> will disappear.  Isn't autofs supposed to take care of unmounting media
> for you though?  I thought the --timeout=6 for example in auto.master
> indicates how long a device can be mounted and not accessed before it
> should be unmounted.
>
> So my auto.master looks like this:
>
> /.autofs/zip        /etc/auto.zip250 --timeout=6
> /.autofs/cdrom      /etc/auto.cdrom  --timeout=6
> /.autofs/bernoulli  /etc/auto.bern   --timeout=6
> /.autofs/floppy     /etc/auto.flop   --timeout=6
>
> And my auto.zip250:
>
> # zip 250 drive
> zip             -fstype=auto    :/dev/hdd4
>
> And my auto.cdrom:
>
> # cdrom
> cdrom           -fstype=auto    :/dev/hdc
>
> And my auto.bern:
> # bernoulli
> bernoulli       -fstype=auto    :/dev/sda4
>
> And finally my auto.flop:
>
> # floppy drive
> floppy          -fstype=vfat    :/dev/fd0
>
> I should mention that I'm trying to export this media via samba to a
> Windows 98SE box.  I'm wondering if samba is interfering with the
> unmounting?
>
> I have a directory called file_vault which is samba exported that
> contains soft links to the directories that will exist when the media is
> mounted.  Every time I access file_vault remotely, the media mounts.
>
> Oh, strangely enough the drives have to seemingly be loaded at boot or
> else the appropriate device files won't exist.
>
> I would be happy with an intuitive way to send the unmount command from
> the Windows 98SE box via the mouse.
>

Samba or NFS references to the mounted media will prevent it from
being un-mounted.



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