Re: Dave's Tinkering Again!

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I hereby accuse Dave Mann of stating:

Why can I not simply use the LABEL= order to designate in fstab as
follows:

LABEL=/boot /boot ext3 defaults 1 2
LABEL=/home /dev/hdb1 ext2 defaults 0 0
LABEL=/storage /dev/hdd1 ext2 auto,user,exec,rw 0 0

To eliminate the lines:

/dev/hdb1 /home ext2 auto,user,exec,rw 0 0
/dev/hdd1 /mnt/storage ext2 auto,user,exec,rw 0 0

This should work exactly the way you want it to, assuming that the LABEL was
set on the partition by mke2fs. Here's an excerpt from fstab(5):

The first field, (fs_spec), describes the block special device or
remote filesystem to be mounted.

For ordinary mounts it will hold (a link to) a block special device
node (as created by mknod(8)) for the device to be mounted, like
`/dev/cdrom' or `/dev/sdb7'. For NFS mounts one will have
<host>:<dir>, e.g., `knuth.aeb.nl:/'. For procfs, use `proc'.

Instead of giving the device explicitly, one may indicate the (ext2
or xfs) filesystem that is to be mounted by its UUID or volume label
(cf. e2label(8) or xfs_admin(8)), writing LABEL=<label> or
UUID=<uuid>, e.g., `LABEL=Boot' or
`UUID=3e6be9de-8139-11d1-9106-a43f08d823a6'. This will make the
system more robust: adding or removing a SCSI disk changes the disk
device name but not the filesystem volume label.

I've never seen the syntax for "assigning" the label in a separate line -
maybe that takes care of assigning a temporary LABEL if one isn't actually
assigned to the filesystem, but it does seem counterintuitive as you
pointed out.

- --
S. Tyler McHenry

http://www.nerdland.net/~tyler/info/

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