Best use of mdev?
Michael D. Setzer II
mikes at kuentos.guam.net
Thu May 1 07:49:33 PDT 2008
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I was just contacted by a user that has 11 partitions on a large hard disk. My
g4l project currently has the nods setup as being precreated in the /dev
directory. It had massive number of these for both the hd and sd going all
the way to sdp but only to the 9th option. I was manually able to create a
script to create the additional nods, but then started looking at options to
have it automaticly create the proper nods. I have found the mdev, and
seem to have figured some of it out, but think there might be some
additional things to make it work better.
I booted from the g4l cd, and did the following manually.
created the /etc/mdev.conf with these two lines.
hd[a-z][0-9]* 0:3 660
sd[a-z][0-9]* 0:3 660
Run the commands to create the /dev
mkdir /sys
mount -t sysfs sysfs /sys
mdev -s
Below is the original contents of the /dev directory minus all the hd and sd
files. Not sure which all of these can also be created with the mdev.conf file
and which have to be manually created. Also, some of the directories were
for raid systems that users had. Would the mdev create these?
Unfortunately, I don't have all the hardware to test.
The g4l is the root id, and that as how it runs.
Thanks.
drwxr-xr-x 2 g4l g4l 1024 Mar 1 2004 vc
drwxr-xr-x 2 g4l g4l 1024 Jun 30 2004 pts
crw-rw-rw- 1 g4l g4l 1, 5 Oct 10 2004 zero
crw-rw---- 1 g4l 5 4, 6 Oct 10 2004 tty6
crw--w--w- 1 g4l 5 4, 0 Oct 10 2004 tty0
brw-rw---- 1 g4l 6 1, 1 Oct 10 2004 ram1
brw-rw---- 1 g4l 6 1, 0 Oct 10 2004 ram0
crw-rw-rw- 1 g4l g4l 1, 3 Oct 10 2004 null
crw-r----- 1 g4l 9 1, 1 Oct 10 2004 mem
crw-r----- 1 g4l 9 1, 2 Oct 10 2004 kmem
brw-rw---- 1 g4l 6 2, 0 Oct 10 2004 fd0
crw-r--r-- 1 g4l g4l 1, 9 Apr 28 2005 urandom
brw-r--r-- 1 g4l g4l 9, 0 Apr 28 2005 md0
brw-r--r-- 1 g4l g4l 9, 1 Apr 28 2005 md1
brw-r--r-- 1 g4l g4l 9, 2 Apr 28 2005 md2
brw-r--r-- 1 g4l g4l 9, 3 Apr 28 2005 md3
brw-r--r-- 1 g4l g4l 9, 4 Apr 28 2005 md4
brw-r--r-- 1 g4l g4l 9, 5 Apr 28 2005 md5
brw-r--r-- 1 g4l g4l 9, 6 Apr 28 2005 md6
brw-r--r-- 1 g4l g4l 9, 7 Apr 28 2005 md7
brw-r--r-- 1 g4l g4l 9, 8 Apr 28 2005 md8
brw-r--r-- 1 g4l g4l 9, 9 Apr 28 2005 md9
brw-r--r-- 1 g4l g4l 9, 10 Apr 28 2005 md10
brw-r--r-- 1 g4l g4l 9, 11 Apr 28 2005 md11
brw-r--r-- 1 g4l g4l 9, 12 Apr 28 2005 md12
brw-r--r-- 1 g4l g4l 9, 13 Apr 28 2005 md13
brw-r--r-- 1 g4l g4l 9, 14 Apr 28 2005 md14
brw-r--r-- 1 g4l g4l 9, 15 Apr 28 2005 md15
brw-r--r-- 1 g4l g4l 9, 16 Apr 28 2005 md16
brw-r--r-- 1 g4l g4l 9, 17 Apr 28 2005 md17
brw-r--r-- 1 g4l g4l 9, 18 Apr 28 2005 md18
brw-r--r-- 1 g4l g4l 9, 19 Apr 28 2005 md19
brw-r--r-- 1 g4l g4l 9, 20 Apr 28 2005 md20
brw-r--r-- 1 g4l g4l 9, 21 Apr 28 2005 md21
brw-r--r-- 1 g4l g4l 9, 22 Apr 28 2005 md22
brw-r--r-- 1 g4l g4l 9, 23 Apr 28 2005 md23
brw-r--r-- 1 g4l g4l 9, 24 Apr 28 2005 md24
brw-r--r-- 1 g4l g4l 9, 25 Apr 28 2005 md25
brw-r--r-- 1 g4l g4l 9, 26 Apr 28 2005 md26
brw-r--r-- 1 g4l g4l 9, 27 Apr 28 2005 md27
brw-r--r-- 1 g4l g4l 9, 28 Apr 28 2005 md28
brw-r--r-- 1 g4l g4l 9, 29 Apr 28 2005 md29
brw-r--r-- 1 g4l g4l 9, 30 Apr 28 2005 md30
brw-r--r-- 1 g4l g4l 9, 31 Apr 28 2005 md31
drwxr-xr-x 2 g4l g4l 4096 Jan 20 2006 cciss
drwxr-xr-x 2 g4l g4l 4096 Jan 23 2006 ataraid
drwxr-xr-x 2 g4l g4l 32768 Jan 23 2006 ida
crw-r--r-- 1 g4l g4l 5, 0 Apr 28 02:36 tty
lrwxrwxrwx 1 g4l g4l 4 Apr 29 10:09 ramdisk -> ram0
lrwxrwxrwx 1 g4l g4l 4 Apr 29 10:09 ram -> ram0
lrwxrwxrwx 1 g4l g4l 3 Apr 29 10:09 cdrom -> hdb
crw-rw---- 1 g4l 5 4, 5 May 1 13:55 tty5
crw-rw---- 1 g4l 5 4, 4 May 1 13:55 tty4
crw-rw---- 1 g4l 5 4, 3 May 1 13:55 tty3
crw-rw---- 1 g4l 5 4, 2 May 1 13:55 tty2
crw------- 1 g4l g4l 5, 1 May 1 13:56 console
crw------- 1 g4l g4l 4, 1 May 1 13:58 tty1
crw-r--r-- 1 g4l g4l 5, 2 May 1 14:04 ptmx
+----------------------------------------------------------+
Michael D. Setzer II - Computer Science Instructor
Guam Community College Computer Center
mailto:mikes at kuentos.guam.net
mailto:msetzerii at gmail.com
http://www.guam.net/home/mikes
Guam - Where America's Day Begins
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http://setiathome.berkeley.edu (Original)
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BOINC at HOME CREDITS
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