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#1 2003-04-09 14:05:24

rasat
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From: Finland, working in Romania
Registered: 2002-12-27
Posts: 2,176
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How to install sda1, sdc1, idec1 devices?

I am trying to install new devices in /dev but nothing is happening. Are the below devices (/ect/devfsd.conf) compatible with AL's bsd style? 

# If you have removable media and want to force media revalidation when looking
# up new or old compatibility names, uncomment the following lines
# SCSI NEWCOMPAT  /dev/sd/* names
LOOKUP        ^(sd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$    EXECUTE /bin/dd if=$mntpnt/1 of=/dev/null count=1
# SCSI OLDCOMPAT  /dev/sd?? names
LOOKUP        ^(sd[a-z]+)[0-9]+$    EXECUTE /bin/dd if=$mntpnt/1 of=/dev/null count=1
# IDE NEWCOMPAT   /dev/ide/hd/* names
LOOKUP        ^(ide/hd/c[0-9]+b[0-9]+t[0-9]+u[0-9]+)p[0-9]+$    EXECUTE /bin/dd if=$mntpnt/1 of=/dev/null count=1
 IDE OLDCOMPAT   /dev/hd?? names
#LOOKUP        ^(hd[a-z])[0-9]+$    EXECUTE /bin/dd if=$mntpnt/1 of=/dev/null count=1

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#2 2003-04-10 00:56:12

BluPhoenyx
Member
Registered: 2002-12-23
Posts: 239

Re: How to install sda1, sdc1, idec1 devices?

It shouldn't be necessary to 'install' anything in /dev. That's what the devfs daemon is for. smile

I noticed in the default kernel modules that scsi was built as a module so you will need to load this at the very least. However, modprobing any specific scsi device should pull in the scsi module too.


BluPhoenyx

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#3 2003-04-10 06:24:26

rasat
Forum Fellow
From: Finland, working in Romania
Registered: 2002-12-27
Posts: 2,176
Website

Re: How to install sda1, sdc1, idec1 devices?

BluPhoenyx wrote:

It shouldn't be necessary to 'install' anything in /dev. That's what the devfs daemon is for. smile
However, modprobing any specific scsi device should pull in the scsi module too.

Thanks, I got my usb external HDD storage to work.

What I did, I compiled my kernel (2.4.20) with Knoppix's config file (to get the same modules and system). I only added kernel option for devfs and auto mount. After boot, run "modprobe *"
Device sda1 is in AL: /dev/sd/c1b0t0u0p1

The Knoppix's kernel config file is designed for hardware detect. Its good to use as a base when compiling for external hardwares. Here is the file:
http://home4.pacific.net.sg/~rasat/linux/config-hwd

For my work trying to make a hardware detect package for AL (this topic gave me a hope to succeed), how do you create a link file in /dev (example: /dev/sda1 --> /dev/sd/c1b0t0u0p1) same as current hda1 is installed at the boot? The Knoppix's hwd package I am modifying, may need to use common device names.

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#4 2003-04-26 03:34:52

rasat
Forum Fellow
From: Finland, working in Romania
Registered: 2002-12-27
Posts: 2,176
Website

Re: How to install sda1, sdc1, idec1 devices?

rasat wrote:

..... how do you create a link file in /dev (example: /dev/sda1 --> /dev/sd/c1b0t0u0p1) same as current hda1 is installed at the boot?

Untag old device names in /etc/devfsd.conf

REGISTER    .*        MKOLDCOMPAT
UNREGISTER    .*    RMOLDCOMPAT

Load usb modules (if not compiled in kernel):

modprobe usb-uhci
modprobe usb-storage

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#5 2003-10-07 17:51:14

marin_linuxer
Member
From: San Rafael, CA U.S.A.
Registered: 2003-09-03
Posts: 111
Website

Re: How to install sda1, sdc1, idec1 devices?

HTH:

HOWTO-devfsd setup


The default /etc/devfsd.conf installed by devfsd contains some comments to get people started, but it's a bit limited. Here's a commented devfsd.conf with some additional setups for alsa, cd burning and other stuff, for further information on what you can do with devfsd.conf, see the devfsd manpage:

 
# Sample /etc/devfsd.conf configuration file.

# Enable module autoloading.
LOOKUP          .*              MODLOAD

# setup alsa permissions
REGISTER        ^snd/           PERMISSIONS -1.audio 0660

# setup permissions for oss audio/alsa oss emulation
REGISTER        ^sound/         PERMISSIONS -1.audio 0660

# setup some symlinks for oss audio/alsa oss emulation
REGISTER        ^sound/mixer$   CFUNCTION GLOBAL mksymlink $devname mixer
REGISTER        ^sound/mixer$   CFUNCTION GLOBAL mksymlink $devname mixer0
UNREGISTER      ^sound/mixer$   CFUNCTION GLOBAL unlink mixer
UNREGISTER      ^sound/mixer$   CFUNCTION GLOBAL unlink mixer0
REGISTER        ^sound/dsp$     CFUNCTION GLOBAL mksymlink $devname dsp
UNREGISTER      ^sound/dsp$     CFUNCTION GLOBAL unlink dsp
REGISTER        ^sound/adsp$    CFUNCTION GLOBAL mksymlink $devname dsp1
UNREGISTER      ^sound/adsp$    CFUNCTION GLOBAL unlink dsp1

# setup cdrecord compatibility devices and permissions
REGISTER ^scsi/host0/bus0/target(.)/lun0/generic CFUNCTION GLOBAL mksymlink $devname sg1
REGISTER ^scsi/host0/bus0/target(.)/lun0/generic PERMISSIONS -1.burning 660
UNREGISTER ^scsi/host0/bus0/target(.)/lun0/generic CFUNCTION GLOBAL unlink sg1

# setup cdrdao device
REGISTER    ^cdroms/cdrom0$  CFUNCTION GLOBAL mksymlink $devname cdrecorder
UNREGISTER  ^cdroms/cdrom0$  CFUNCTION GLOBAL unlink cdrecorder

# setup apm compat device (XFree seems to need it)
REGISTER        ^misc/apm_bios$  CFUNCTION GLOBAL mksymlink $devname apm_bios
UNREGISTER      ^misc/apm_bios$  CFUNCTION GLOBAL unlink apm_bios

# setup rtc compat device (i use this for mplayer, don't know if anything else
# can make use of it)
REGISTER        ^misc/rtc$      CFUNCTION GLOBAL mksymlink $devname rtc
REGISTER        ^misc/rtc$      PERMISSIONS -1.-1 0644
UNREGISTER      ^misc/rtc$      CFUNCTION GLOBAL unlink rtc

# vmware monitor symlinking, so vmware finds it
REGISTER        ^misc/vmmon$    CFUNCTION GLOBAL mksymlink $devname vmmon
UNREGISTER      ^misc/vmmon$    CFUNCTION GLOBAL unlink vmmon

# needed for vmware
REGISTER        ^vc/(.*)$       CFUNCTION GLOBAL mksymlink $devname tty1
UNREGISTER      ^vc/(.*)$       CFUNCTION GLOBAL unlink tty1

# setup video4linux compat device (thanks to rycee)
REGISTER        v4l/.*          PERMISSIONS -1.video 660

SOURCE:http://wiki.sourcemage.org/index.php?pa … vfsd+setup


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