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For camera communication errors ("Unknown" in EDM "Model Number" field) can look for "USB disconnect" error messages in /var/log/messages.  Can see device numbers with "lsusb" and compare to device numbers in /var/log/messages.

Workaround for RIX ANDOR-DIR hang

• Execute the following command on daq-rix-andor-01: ~ddamiani/reset_andor.sh 1-2
• Restart one IOC (e.g. DIR), wait for it to finish
• Restart the second IOC, wait for it to finish

The argument to the script ("1-2") can change, in principle but should do so rarely.  The “1-2” is coming from the USB bus and port enumerations from the operating system:
 
ddamiani@daq-rix-andor-01:~$ egrep 136e /sys/bus/usb/devices/*/idVendor
/sys/bus/usb/devices/1-2.3.1/idVendor:136e
/sys/bus/usb/devices/1-2.4.1/idVendor:136e
 
The first part of the for X-Y.blah bit which is 1-2 currently.