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Old 10-29-2007, 10:37 AM   #1
thllgo
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Registered: Sep 2003
Location: Laurel MD
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raw devices go away on reboot?


Hello

I created some raw devices and they are gone after a reboot.

We are installing Sybase on a Dell 1950 running RH AS 4. I did the following to create some raw devices.

1. cd /dev
2. mkdir raw
3. cd raw
4. mknod raw1 c 162 1
5. raw /dev/raw/raw1 /dev/sdb1
6. chown sybase raw1
7. chgrp sybase raw1

We start Sybase and all works just fine. After a reboot everything is gone, including the raw directory. Why is this and how do I stop it from going away after a reboot?

Help and Thank you
 
Old 10-29-2007, 11:59 AM   #2
thllgo
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Registered: Sep 2003
Location: Laurel MD
Posts: 257

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I found the solution

1. Format the partitions to type 60, unknown.
1a. Do the mknod and raw commands as above.
2. Edit the file /etc/sysconfig/rawdevices to include the new devices.
3. Run the command "sysconfig rawdevices on"
4. Modify the file /etc/udev/permissions.d/50-udev.permissions if you wish permissions to be other than root:root

and voila, it works.
Thanks
 
  


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