Re: new version of udev has different cd/dvd devices

[Darren Salt <linux@youmustbejoking.demon.co.uk>]

I demand that Patrick Mansfield may or may not have written...

[snip; tool for setting udev policy]
> Also:

>  - allow selection of policies, so for example, you can have by-id,
>    by-path, or user-named. So we don't always create by-id, by-path or
>    user-named.

I'm happy with whatever's there at boot and at udev startup, after modules
are loaded, gets automatically enumerated (sorting by bus address, generic
rules), with everything else being handled dynamically.

(I'd stick with static /dev but for hotplugging of some types of USB device.)

> The items I stumble on are:

> How do you know if an attribute (mainly the id / serial number) for the
> device is useful as a persistent attribute? Do you assume all are invalid,
> valid, or what?

Not sure. My guess is "assume valid" with a blacklist of known-bad attribute
values, although this could make restoring from backup after replacing or
(possibly) moving some hardware somewhat interesting.

> Should or how do you integrate this into the installer? It is bad to *not*
> allow naming or use of by-id at install time, but then later require it to
> mount root. [...]

Then there's upgrading of existing installations...

-- 
| Darren Salt | nr. Ashington, | d youmustbejoking,demon,co,uk
| Debian,     | Northumberland | s zap,tartarus,org
| RISC OS     | Toon Army      | @
|   We've got Souness, we don't want him

I don't want to grow up. I won't grow up. You can't make me.


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