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Full Discussion: Cleanup special files create via device match in a whole root zone
Operating Systems Solaris Cleanup special files create via device match in a whole root zone Post 302831171 by hugo_perez on Wednesday 10th of July 2013 10:48:02 AM
Old 07-10-2013
Cleanup special files create via device match in a whole root zone
I added in the configuration file of a whole root zone the following device match entries:
<device match="/dev/rmt/*"/>
<device match="/dev/sg/*"/>
after the reboot the zone was able to see all the devices of its global zone, and let under /dev/rmt and /dev/sg the special files created with mknod instead of links to /devices (that did not exist).

Now, I want to clean up all the tapes from the whole root zone but not from its global zone. I tried to remove the device match lines and rebooted in several (including touch /reconfigure in the whole root zone and reboot -- -r) ways without luck; I tried going to single user mode and do rm -f and they did not get removed.

Note: I also halted the zone and then I tried to see if the devices were under its <zone rootpath>/root/rmt but they are empty until I boot the zone.

Any idea
 

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LEARN ABOUT OPENDARWIN

rem_drv

rem_drv(1M)															       rem_drv(1M)

NAME

       rem_drv - remove a device driver from the system

SYNOPSIS

       rem_drv [-b basedir] device_driver

       The  rem_drv command informs the system that the device driver device_driver is no longer valid. If possible, rem_drv unloads device_driver
       from memory. rem_drv also updates the system driver configuration files.

       If rem_drv has been executed, the next time the system is rebooted it automatically performs a reconfiguration boot (see kernel(1M)).

       The following options are supported:

       -b basedir      Sets the path to the root directory of the diskless client. Used on the server to execute rem_drv for a client. The  client
		       machine must be rebooted to unload the driver.

		       Note -  The  root  file system of any non-global zones must not be referenced with the -b option. Doing so might damage the
			       global zone's file system, might compromise the security of the global zone, and might damage the non-global zone's
			       file system. See zones(5).

       Example 1: Removing the sd Driver

       The following example removes the sd driver from use:

       example% rem_drv sd

       Example 2: Removing a Diskless Client

       The  following example removes the driver from the sun1 diskless client. The driver is not uninstalled or unloaded until the client machine
       is rebooted.

       example% rem_drv -b /export/root/sun1 sd

       Note the caveat on the use of the -b option in the description of that option, above.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

       add_drv(1M), kernel(1M), update_drv(1M), attributes(5), devfs(7FS)

								    6 Apr 2005							       rem_drv(1M)
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