02-27-2014
Thanks!
@jlliagre - system was rebooted and the problem cleared. Back then prstat -Z did not show any one zone using cpu resources. Nobody had cpu. as you saw sys % time was low, too. So the kernel was not thrashing AFAIK.
/tmp gets cleaned up monthly, so maybe 200 files were out there.
@hicksd8 - pg_contig_disable = 0. I think this may have precipitated the problem. OTN has some similar information, we knew about it but decided against setting it. We rebooted, it is now set to 1. We also forced mgt to acquiesce to a periodic off-time reboot. We now are allowed reboots on the weekend. The whole thing is political, no technical person is allowed input in decisions like this until something goes South.
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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The rem_drv command informs the system that the device driver device_driver is no longer valid.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)