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Re: [BackupPC-users] OT: udev rule for persistent removable device naming
2012-04-03 18:02:15
Jim Kyle <jim AT jimkyle DOT com> wrote on 04/03/2012
05:21:29 PM:
> On Tuesday, April 3, 2012, at 3:49:12 PM, Timothy J Massey wrote:
>
> > And because sometimes the drive that I insert will be perfectly
blank (a
> > new drive), I can't use something like a drive label: it might
not have
> > one!
>
> Don't you have to partition and format the new drive before it can
be used?
Sure, and that's what my script does.
> If you do, you could write a "standard"
disk label to it at that time, and
> then use that standard label in the udev rule or even to mount the
drive if
> your version of fstab allows drives to be specified by label.
And how exactly does the script know what device name
that drive will use *before* I put that "standard" label on it?
I've already shown that the device name the drive gets is quasi-random
(race condition), and if the script guesses wrong I wipe out a drive in
my RAID array! :)
If I could get Seagate et. al. to put my "standard"
disk label on the drive from the factory, I'd be golden. But until
they do, I need to make sure that the blank drive *before* initialization
shows up in the right place. And if I make that work consistently,
then I don't *need* the label! :)
Tim Massey
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