[ale] Mount extra partition under the /media subdirectory at boot

Sat Aug 4 09:59:31 EDT 2012

blkid is good for showing device ids for all partitions. I use it on debian.

Wolf

http://evergreen-community-01.lyrasistechnology.org
http://sourcefreedom.com
Apache developer:
wolfhalton at apache.org
On Aug 3, 2012 5:15 PM, "Michael H. Warfield" <mhw at wittsend.com> wrote:

> On Fri, 2012-08-03 at 16:43 -0400, Michael H. Warfield wrote:
> > On Fri, 2012-08-03 at 11:40 -0400, Tom Freeman wrote:
> > > With appologies to one and all. This is documented somewhere in my old
> > > notes which are somewhere in a big home cleanup initiated by adult
> > > children who think their old man needs more than all the help he can
> get.
> > > Well, the children are probably right. But the main machine for the
> house
> > > died dead, and I need it working with the old files.
> >
> > > Of course, if there is a better way to do this...
> >
> > > Essentially, in the past I have used a dirt standard install (Fedora in
> > > the past, Centos this time), with the children's accounts created on
> > > /home, which is it's own partition. Since I also host several GB of
> family
> > > pictures and such, for use by said children and myself, I created a
> large
> > > partition which mounted under the /media directory at boot time. As I
> > > recall, (personal notes are missing), I assign ownership to
> > > nobody:nobody, with permissive permissions to each of the files, and
> dump
> > > all those shared family files into a hierarchy /media/media.
> >
> > If you are going to mount things at boot time I would NOT use /media!
> > Classically, that's what /mnt is for.  Reserve /media for dynamic mounts
> > through udev and that whole subsystem through to the UI.  If you have
> > system related stuff (opt, export, srv) then mount then in their correct
> > root directories.  If you've got something non-transient, like a
> > permanently connected USB drive, I would definitely make it in /mnt.
> > Then you can add entries to your /etc/fstab file like these:
>
> > LABEL=FUJI              /mnt/Fuji               vfat
>  defaults,noauto,user 0 0
> > LABEL=OLYMPUS           /mnt/Olympus            vfat
>  defaults,noauto,user 0 0
> > LABEL=EVO               /mnt/EVO                vfat
>  defaults,noauto,user 0 0
> > LABEL=Kindle            /mnt/Kindle             vfat
>  defaults,noauto,user 0 0
> > LABEL=Terabyte          /mnt/Terabyte           auto
>  defaults,noauto,user 0 0
>
> > UUID=16868893-6b15-49a7-9282-686d0d085aee /mnt/Archive1           auto
>  defaults,noauto,user 0 0
> > UUID=9acdeea0-5fb6-4b08-a0b8-0948e833a07b /mnt/Archive2           auto
>  defaults,noauto,user 0 0
> > UUID=f115baca-83c9-4b7a-9534-03c9cc4416f4 /mnt/Archive3           auto
>  defaults,noauto,user 0 0
> > UUID=8118085e-4d57-4c5a-9473-b08d8e61bf12 /mnt/Archive4           auto
>  defaults,noauto,user 0 0
>
> > That's a mix of lables and UUIDs but came from an actual system that
> > included my various cameras (I've labeled the VFAT file systems) and
> > whatnot.  Those "Archive" drives are actually encrypted drives and the
> > UUIDs are pointing at the UUID of the LUKS container.
>
> > > Almost certainly not the canoniacal (sp?) way to approach the problem,
> but
> > > it has worked for several years. Except that I'm needing to rebuild
> > > hardware at the same time getting ready for teaching a new class at
> > > school. (Time for fixing stuff is in short supply at the moment.)
>
> > > Memory claims there is some approach using a "label" command, and
> > > something else to get this partition to automount at boot. I'm just not
> > > finding the documentable details at the moment...
>
> > For ext* fs - e2label does the trick or use the -L option at the time
> > you build the fs with mkfs.ext?.  For VFAT, you want mlabel or -n to
> > mkfs.vfat.
>
> > Add your fixed entries to /etc/fstab with "defaults,noauto,user" and
> > anyone can mount and unmount them as they wish.  If you WANT them
> > mounted at boot time (which I don't really recommend for external
> > drives) then drop the "noauto" and add some fsck cycle numbers for
> > checking (assuming something != FAT).
>
> > If you REALLY want to do it right, though...  Use autofs.  Only mount it
> > when you need it and nobody has to "mount" the bloody thing.  It's not
> > that hard to create an automount map file to map a path to a location.
> > You can then boot the system up without it and it will be there (if it's
> > there) when you want it (or give you an error if it's not there).  Most
> > of my NFS stuff goes through /net, which is predefined, but you can
> > create maps for just about anything - CIFS, SSHFS, hard devices, etc,
> > etc...  I think under autofs.misc you can find examples for floppies
> > (Gods that be!  Is there anyone still using those damn things???) and
> > CD-ROMS.
>
> > Just install autofs and look at the /etc/auto.* files.
>
> And of COURSE - the moment I replied to this I just HAD to try it out
> and make it work under autofs for myself...
>
> So I took the "Terabyte" entry above (for my 2TB USB drive) and
> converted it to an autofs entry under the "misc" category.  So this is
> my /etc/autofs.misc file on that machine now:
>
> --
> #
> # This is an automounter map and it has the following format
> # key [ -mount-options-separated-by-comma ] location
> # Details may be found in the autofs(5) manpage
>
> cd              -fstype=iso9660,ro,nosuid,nodev :/dev/cdrom
>
> # the following entries are samples to pique your imagination
> #linux          -ro,soft,intr           ftp.example.org:/pub/linux
> #boot           -fstype=ext2            :/dev/hda1
> #floppy         -fstype=auto            :/dev/fd0
> #floppy         -fstype=ext2            :/dev/fd0
> #e2floppy       -fstype=ext2            :/dev/fd0
> #jaz            -fstype=ext2            :/dev/sdc1
> #removable      -fstype=ext2            :/dev/hdd
>
> Terabyte        -fstype=auto            :LABEL=Terabyte
>
> --
>
> Now, if I do an "ls /misc/Terabyte" it mounts the drive for me
> automatically.  After a period of idle time, it unmounts the drive (good
> for USB drives which may be heat sensitive).  Create symlinks from where
> you want to where it is and you should be good to go.
>
> You can create your own autofs map for other parent mount points if you
> wish, you just have to add it to autofs.master and restart autofs if you
> do.  It's a much better option (IMNSHO) than trying to mount external
> drives at boot time and paying the price later.
>
> > > If anybody has an appropriate clue bat to beat me with, and the energy
> to
> > > weild it - I shore would appreciate it. Meantime, back to coursework
> and
> > > searching...
>
> > > Thanks to one and all for putting up with me
> >
> > Regards,
> > Mike
> > _______________________________________________
> > Ale mailing list
> > Ale at ale.org
> > http://mail.ale.org/mailman/listinfo/ale
> > See JOBS, ANNOUNCE and SCHOOLS lists at
> > http://mail.ale.org/mailman/listinfo
>
> --
> Michael H. Warfield (AI4NB) | (770) 985-6132 |  mhw at WittsEnd.com
>    /\/\|=mhw=|\/\/          | (678) 463-0932 |
> http://www.wittsend.com/mhw/
>    NIC whois: MHW9          | An optimist believes we live in the best of
> all
>  PGP Key: 0x674627FF        | possible worlds.  A pessimist is sure of it!
>
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