- 149: Base, Site base, Wed 19-Feb-2003 13:37:12 MST, change disk drives
Hard drive 2 removed, replaced with drive 1.
Time was 1:30 pm local.
- 63: Base, Site base, Mon 16-Dec-2002 17:43:45 MST, aster rebooted
When testing the krypton heater script, a member of our software team
accidentally killed several aster processes about 20:10Z. ASTER was rebooted
here about 21:30Z and the adams rebooted about 30min later.
- 58: Base, Site tower, Mon 16-Dec-2002 13:21:58 MST, krypton heater script
Commands for krypton heaters on the tower:
start_krypton_heat starts script which controls krypton heaters on tower
stop_krypton_heat stops script
The krypton_heat script runs itself every 5 minutes. It cycles
through the 4 kryptons on the tower, and therefore will visit
each kryton every 20 minutes.
krypton_heat gets the latest 5 minute value of kh2oV.2m, kh2oV.10m,
kh2oV.20m or kh2oV.30m, using ncprint on the netcdf file. If
the value is less than 0.05 V, then the appropriate ttl_on
command is sent to the adam, and after 2 minutes, ttl_off
is sent.
The adam name, the ttl port of the krypton heater, the trigger voltage,
and the amount of time to leave the heater on is set in the script,
for each kh2oV variable. If these are changed, do a a stop/start
to restart the script:
stop_krypton_heat
start_krypton_heat
- 48: Base, Site base, Mon 09-Dec-2002 09:17:56 MST, replaced disk drive
replaced disk drive, and returned it to Gordon on
Wed, Dec 4th
- 31: Base, Site base, Thu 21-Nov-2002 13:57:57 MST, Swapping USB data disks
We have two 120Gb Maxtor USB disks, labled USB#1 and USB#2 that we
alternate on the base system. They provide a backup copy of the high
rate data and a way to to shuttle the data back to Boulder.
Here is how to swap the USB disks on aster. You do not need
to reboot to do this.
0. Check that the red light on the front of the disk is not lit.
For a minute or two at about 10:15 am and 6:15 pm MST, files
are copied to it, so you may have to wait a bit.
1. From the aster account (does not have to be root), enter umount
command in a shell window:
umount /mnt/usbhd
If the disk is in use, you will get an error to that effect. Wait
a minute, then try again.
2. Wait until red light on front of drive stops flashing.
3. Unplug silver USB cable from back of drive
4. Unplug power from drive.
5. Plug power into second drive. Wait 5 seconds or so for it to spin up.
6. Plug USB cable into second drive.
7. Enter mount command:
mount /mnt/usbhd
You're done.
On Nov 21, the drive labeled USB#2 is in use and USB#1 was taken back
to Boulder.