[Gllug] SCSI and /dev

Henrik Morsing henrik at morsing.cc
Wed Mar 3 21:09:31 UTC 2004


> I've never really understood the urge to have a /dev with only valid
> device nodes in it.

Makes it a lot easier in my opinion. If you don't know what the device
name of your new some-card is you're lost.

> I care *far* more about persistent device naming,
> which udev offers, and devfs doesn't. In between SCSI disks, firewire
> storage, and USB card readers, I can't use fstab mounting[1] for my
> removable media. Running rescan-scsi-bus is a hack at best...

> The presence of a few hundred device nodes, which do nothing, and
> probably consume all of a few K of disk bothers me not at all. That
> said, I tend to build kernels with the appropriate drivers built in, and
> not use modules much anyway, so I might just be weird....

A few hundred?
And as far as I know the more files you put in a directory the longer it
takes the system to find one... That is definately a performance hit.

Cheers
Henrik Morsing
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