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lbaops:observingnotes [2018/09/05 16:19]
chrisphillips
lbaops:observingnotes [2018/09/05 16:25]
chrisphillips [Recording]
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 There is no need to shutdown the host PC to change Xraid disks. The following steps are needed to swap disks There is no need to shutdown the host PC to change Xraid disks. The following steps are needed to swap disks
-  *  Check if any of the xraid disks are currently mounted, and if so unmount them.\\ +  *  Check if any of the xraid disks are currently mounted, and if so unmount them. 
-''​> df | grep xraid''​\\ + 
-''​> umount /​data/​xraid0'' ​(for example, do all mounted disks)+  ​> df | grep xraid 
 +  > umount /​data/​xraid0 
 +(for example, do all mounted disks)
  
   *  Shut down the Xraid chassis, either use the RAID Tools GUI or hold the power button down at the back of the chassis for about 10 seconds (until it starts flashing).   *  Shut down the Xraid chassis, either use the RAID Tools GUI or hold the power button down at the back of the chassis for about 10 seconds (until it starts flashing).
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   *  Power the chassis on again, either using the control GUI or pressing the power button on the rear. Power on takes a few minutes. Check a green light comes on on each disk. A red or orange light means disk failure.   *  Power the chassis on again, either using the control GUI or pressing the power button on the rear. Power on takes a few minutes. Check a green light comes on on each disk. A red or orange light means disk failure.
  
-  *  Mount the disks (see the troubleshooting guide if this does not work)\\ +  *  Mount the disks (see the troubleshooting guide if this does not work) 
-'' ​> mount /​data/​xraid0'' ​etc+ 
 +  ​> mount /​data/​xraid0 ​   
 + etc 
 + 
 +  *  Check the disk ID is updated in cdisko. If not run
  
-  ​*  Check the disk ID is updated in cdisko. If not run\\ +  > /​etc/​init.d/​recorder_server restart
-'' ​> /​etc/​init.d/​recorder_server restart''​+
  
 ====  Recording ==== ====  Recording ====
  
-Recording is make by a program called ''​vsib_record''​ on the LBADR, which is controlled by a Tk gui ''​cdisko''​. Ssh as vlbi onto the LBADR recorder and run:+Recording is make by a program called ''​vsib_record''​ on the LBADR, which is controlled by a Tk gui ''​cdisko2''​. Ssh as vlbi onto the LBADR recorder and run:
  
- cdisko+  ​cdisko2
  
 Fill in the following fields, based on the notes on the experiment wiki: Fill in the following fields, based on the notes on the experiment wiki:
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   *  Experiment, Bandwidth, Channel Selection, Duration.   *  Experiment, Bandwidth, Channel Selection, Duration.
  
-  *  Select the disk partition to record to. If required (ie you are setting up before the experiment starts), select the ''​Scheduled start''​ button, click "Now + 10s" then set the start time to the recording start time. If starting the recorder late, or when changing disk partition during an experiment **do not** use the scheduled start. ​+  *  Select the disk partition to record to. If required (ie you are setting up before the experiment starts), select the ''​Scheduled start''​ button, click "Now + 1m" then set the start time to the recording start time. If starting the recorder late, or when changing disk partition during an experiment **do not** use the scheduled start. ​
  
   *  Click ''​start''​ button   *  Click ''​start''​ button
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   *  Select the next (empty!) disk to record to   *  Select the next (empty!) disk to record to
   *  Click ''​Stop''​   *  Click ''​Stop''​
-  *  ​Immediately ​click ''​Start''​+  *  ​Wait till the state changes from recording to stopped then click ''​Start''​
  
  
lbaops/observingnotes.txt · Last modified: 2018/09/05 16:25 by chrisphillips