Re: RFC: OpenRC as Init System for Debian
On Thu, Apr 26, 2012 at 02:03:17PM -0400, Jonas Smedegaard wrote:
> On 12-04-26 at 10:23am, Jonathan McDowell wrote:
> > On Thu, Apr 26, 2012 at 09:27:43AM +0300, Eray Aslan wrote:
> > > On Thu, Apr 26, 2012 at 03:23:18AM +0800, Chow Loong Jin wrote:
> > > > I think Arto Jantunen explained it pretty well earlier in this
> > > > thread:
> > > > > Reliability in the case of modern kernels and modern hardware
> > > > > means event based, not static. The hardware in a modern computer
> > > > > comes and goes as it pleases (usb devices being the worst
> > > > > example, but scanning
> > >
> > > That's the thing. Hardware do not come and go as it pleases on my
> > > servers and I do not want anything happening when someone inserts a
> > > usb device. It's nice on my laptop but not on my servers.
> >
> > It comes and goes on my servers. I bring online new storage devices,
> > and change their sizes when I decide I want more space. Sometimes I
> > bring online a lot of temporary space and then take it away when I'm
> > done. These are production servers with Fibre Channel attached storage
> > and this is not a unique use case. Having to manually fiddle with
> > rescan-scsi-bus etc to see the new devices is a PITA and I welcome any
> > attempt to make this a more seamless process.
> >
> > Don't assume dynamic device detection is only about personal machines
> > or USB. It's useful in a much wider context.
>
> Agreed it is *useful* in many cases.
>
> But I also agree that it is not *required* in *all* cases.
>
> I believe Debian still supports running locally compiled kernels which
> do not depend on udev, and that some setups do not require udev either
> (not everyone use fibre channel).
It is supported only in the sense that it is not yet impossible.
Please don't ask anyone to spend time to avoid udev dependencies;
hotplugging is normal and udev is the proper way to handle all
devices the Linux kernel finds.
Ben.
--
Ben Hutchings
We get into the habit of living before acquiring the habit of thinking.
- Albert Camus
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