CHL Preflight Night 61334
Executing preflight for 61334 at Tue Oct 20 19:18:54 -03 2026.
Log can be found in /atlas/obs/04/61334/preflight.dat.
Setting donefile '/atlas/obs/04/61334/preflight_complete.20261020221854.29503' on successful script completion.
Sitech host is tcs.
Disabling voice.exe countdown.
Disabling chiller checks.
Disabling dehumidifier power check.
Logging errors to /tmp/preflight.20261020221854.29503.
Tue Oct 20 19:18:54 -03 2026 [elapsed=0 sec] DFM (initialization)
get service string...OK
service is running...OK
is initialized...OK
Tue Oct 20 19:18:54 -03 2026 [elapsed=0 sec] Getting TCS lock.
OK TCS lock granted to preflight-CHL [891182cf-11e9-4fa2-a64b-d63561afcf15;1800]
Tue Oct 20 19:18:54 -03 2026 [elapsed=0 sec] Enabling red LEDs for preflight.
sitepsw 3 ON redLED
Tue Oct 20 19:18:55 -03 2026 [elapsed=1 sec] About to start CHL preflight. Point your web browser at http://localhost:7454.
Tue Oct 20 19:18:55 -03 2026 [elapsed=1 sec] auxcam is disabled.
Tue Oct 20 19:18:55 -03 2026 [elapsed=1 sec] Skipping auxcam.
error: unknown module: vent
Tue Oct 20 19:18:55 -03 2026 [elapsed=1 sec] DEADMAN
Get heartbeat host ... got 'tcs'
Fetching timestamp (redis-cli -h tcs) ... done. Got response: 1792534728
OK
Tue Oct 20 19:18:55 -03 2026 [elapsed=1 sec] OPSEC
AUTO mode: ...OK
Tue Oct 20 19:18:55 -03 2026 [elapsed=1 sec] CLUSTER NFS MOUNTS
admin proc1:/export/atlas-cal...OK
admin proc1:/export/atlas-red...OK
proc1 admin:/export/atlas-obs...OK
proc2 admin:/export/atlas-obs...OK
proc2 proc1:/export/atlas-cal...OK
proc2 proc1:/export/atlas-red...OK
proc3 admin:/export/atlas-obs...OK
proc3 proc1:/export/atlas-cal...OK
proc3 proc1:/export/atlas-red...OK
proc4 admin:/export/atlas-obs...OK
proc4 proc1:/export/atlas-cal...OK
proc4 proc1:/export/atlas-red...OK
Tue Oct 20 19:18:56 -03 2026 [elapsed=2 sec] SCREENS
admin dash-tcsdata...OK
admin dash-recent...OK
admin dash-skycoverage...OK
admin dash-logstamp...OK
proc1 redq...OK
proc1 prochain-redpost-04a...OK
proc1 prochain-redpost-04x...OK
Tue Oct 20 19:18:57 -03 2026 [elapsed=3 sec] QUEUE
0 observations queued.
Tue Oct 20 19:18:57 -03 2026 [elapsed=3 sec] CLOCKS
admin: Tue Oct 20 22:18:57 UTC 2026
metbox: OK
proc1: OK
proc2: OK
proc3: OK
proc4: OK
archon: OK
NTP:
remote refid st t when poll reach delay offset jitter
==============================================================================
+metbox2.chl.atl .PPS. 1 u 679 1024 377 0.329 0.266 0.158
*10.0.11.4 .GPS. 1 u 977 1024 377 0.640 0.504 0.199
ntp.ubuntu.com .POOL. 16 p - 64 0 0.000 0.000 0.000
-185.125.190.58 29.88.99.4 2 u 49m 1024 374 231.264 -8.461 51.566
-185.125.190.56 29.88.99.4 2 u 363 1024 377 231.943 -7.413 48.309
-185.125.190.57 29.88.99.4 2 u 763 1024 377 230.596 -5.639 149.566
+alphyn.canonica 132.163.96.1 2 u 577 1024 375 155.339 -1.303 2.168
Tue Oct 20 19:18:57 -03 2026 [elapsed=3 sec] DISKS
200GB available in /atlas/obs...OK (7565GB)
200GB available in /atlas/red...OK (10933GB)
Checking disks on admin ... archon ... proc1 ... proc2 ... proc3 ... proc4 ... done
Filesystem Size Used Avail Use% Mounted_on
admin:/dev/md0p1 11T 3.0T 7.3T 30% /
admin:/dev/loop0 106M 106M 0 100% /snap/core/17284
admin:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/mapper/ubuntu--vg-ubuntu--lv 58G 18G 38G 32% /
archon:/dev/loop0 106M 106M 0 100% /snap/core/17284
archon:/dev/loop1 106M 106M 0 100% /snap/core/17292
archon:/dev/sda2 974M 321M 586M 36% /boot
archon:/dev/sda1 511M 4.4M 507M 1% /boot/efi
proc1:/dev/md0p1 15T 3.3T 11T 24% /
proc1:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc1:/dev/loop1 106M 106M 0 100% /snap/core/17292
proc1:/dev/sda1 511M 6.7M 505M 2% /boot/efi
proc2:/dev/md0p1 15T 454G 13T 4% /
proc2:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc2:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc3:/dev/md0p1 15T 903G 13T 7% /
proc3:/dev/loop0 106M 106M 0 100% /snap/core/17292
proc3:/dev/loop1 106M 106M 0 100% /snap/core/17284
proc4:/dev/md0p1 15T 697G 13T 6% /
proc4:/dev/loop0 106M 106M 0 100% /snap/core/17284
proc4:/dev/loop1 106M 106M 0 100% /snap/core/17292
Tue Oct 20 19:18:57 -03 2026 [elapsed=3 sec] SERVICES1
xcam
chiller...OK
dome...OK
mount...OK
modo...OK
cam...OK
acam...OK
weather...OK
met...OK
sentry...OK
dfm...OK
duplicates...OK
Tue Oct 20 19:18:58 -03 2026 [elapsed=4 sec] Disabling mount tracking.
Tue Oct 20 19:18:58 -03 2026 [elapsed=4 sec] SERVICES2
Tue Oct 20 19:18:58 -03 2026 [elapsed=4 sec] CHILLER
status...OK
chiller: 3.0/3.0C ? chiller=ON dryer=? IDLE
Tue Oct 20 19:19:02 -03 2026 [elapsed=8 sec] DOME
status...OK
audio setup: using amcam-mezz-s to record
Pointing webcam to azcheck position ... done
Homing the dome ... waiting ... done
Attempting audio conversion ... size= 912kB time=00:00:29.18 bitrate= 256.0kbits/s speed= 160x
audio converted to domehome.wav.
Copy dome audio to dashboards ... done
slewing to azimuth 0 (N)...OK
Copy azcheck JPEG to dashboards ... done
parking...OK
dome: AZ=35.00 CLOSED/CLOSED (0%) IDLE
Tue Oct 20 19:22:20 -03 2026 [elapsed=206 sec] MOUNT
blinky status...OK
motor logs...OK
slewing to az=70,alt=70...OK
slewing to az=290,alt=70...OK
parking...OK
mount: 292.15 -27.58, az/alt=324.69 +86.49 idle(e) IDLE
Tue Oct 20 19:23:15 -03 2026 [elapsed=261 sec] MODO
status...OK
slewing to az=60,alt=60...OK
modo: dome=stopped mount=tracking IDLE
Tue Oct 20 19:23:37 -03 2026 [elapsed=283 sec] CAM SERVICE
status...OK
cam: main=[idle] aux=[off] N=0/0 spi=38.9 IDLE
Tue Oct 20 19:23:37 -03 2026 [elapsed=283 sec] ACAM
status Camera tripped exists... OK
Camera tripped is current... OK (10 seconds old)
Software failsafe ready... OK (NA)
CCD on...FAIL
ION pump on...OK
CCD temp...OK (-55.1C)
Checking CCD plane: Z0=-192.00 DZDX=+456.00 DZDY=-421.00
acam: -55C TEC ION e=30.0s d=0.6s N=0 IDLE
Tue Oct 20 19:23:37 -03 2026 [elapsed=283 sec] WEATHER
status weather: C+ 13.9C 64% 14/23kph@284 DP5.4C/-51C/d IDLE
...OK
Tue Oct 20 19:23:38 -03 2026 [elapsed=284 sec] MET
status...OK
met: c=Y o=N Rc20 Cx1h Wo11d Ho11d To11d Do7d wait RC IDLE
Tue Oct 20 19:23:38 -03 2026 [elapsed=284 sec] SENTRY
status...OK
sentry: close=YES open=NO drop=NO IDLE
Tue Oct 20 19:23:40 -03 2026 [elapsed=286 sec] DFM (SHUTTERS)
initializing and homing shutters...
mount 320.81 -12.93, az/alt=59.88 +60.07 tracking(w) IDLE 1s
A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R
initialized motor A constants
initialized motor B constants
A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R
A 0.020s 3 0.0%
B 0.020s -1 0.0%
A 2 0.1mm 15 N F R | B -1 -0.0mm 15 N F R
finding forward (close) limit for shutter A
...done
backing off limit
....................backing off 4 sec...
at limit
done
finding forward (close) limit for shutter B
...done
backing off limit
.................backing off 4 sec...
at limit
done
A 0 0.0mm 15 N F R | B -1 -0.0mm 15 N F R
exercising shutters...Using amcam-mezz-s to record
A 0.020s 9 0.1%
A 0.051s 109 1.2%
A 0.081s 385 4.2%
A 0.111s 739 8.1%
A 0.142s 1218 13.3%
A 0.172s 1795 19.6%
A 0.203s 2490 27.2%
A 0.233s 3291 36.0%
A 0.263s 4194 45.8%
A 0.293s 5137 56.1%
A 0.324s 6010 65.7%
A 0.354s 6802 74.3%
A 0.384s 7456 81.5%
A 0.414s 8012 87.5%
A 0.444s 8457 92.4%
A 0.474s 8796 96.1%
A 0.505s 9027 98.6%
A 0.535s 9142 99.9%
A 0.565s 9161 100.0%
B 0.020s 2 0.0%
B 0.050s 95 1.0%
B 0.081s 382 4.2%
B 0.111s 748 8.2%
B 0.141s 1208 13.2%
B 0.172s 1799 19.7%
B 0.202s 2492 27.2%
B 0.232s 3281 35.8%
B 0.262s 4200 45.9%
B 0.293s 5143 56.2%
B 0.323s 6022 65.8%
B 0.353s 6802 74.3%
B 0.384s 7452 81.4%
B 0.414s 8026 87.7%
B 0.444s 8472 92.5%
B 0.474s 8803 96.2%
B 0.505s 9037 98.7%
B 0.535s 9148 99.9%
sleeping 3 sec between shutter moves...
A 0.020s 9151 100.0%
A 0.051s 9057 98.9%
A 0.081s 8773 95.8%
A 0.111s 8428 92.1%
A 0.142s 7969 87.1%
A 0.172s 7347 80.3%
A 0.202s 6667 72.8%
A 0.233s 5898 64.4%
A 0.263s 4952 54.1%
A 0.293s 4055 44.3%
A 0.323s 3163 34.6%
A 0.354s 2376 26.0%
A 0.384s 1715 18.7%
A 0.414s 1124 12.3%
A 0.445s 692 7.6%
A 0.475s 347 3.8%
A 0.505s 123 1.3%
A 0.536s 8 0.1%
B 0.020s 9147 99.9%
B 0.050s 9036 98.7%
B 0.080s 8772 95.8%
B 0.111s 8420 92.0%
B 0.141s 7961 87.0%
B 0.171s 7378 80.6%
B 0.202s 6687 73.1%
B 0.232s 5898 64.4%
B 0.262s 4990 54.5%
B 0.292s 4038 44.1%
B 0.323s 3168 34.6%
B 0.353s 2373 25.9%
B 0.383s 1716 18.7%
B 0.414s 1151 12.6%
B 0.444s 686 7.5%
B 0.474s 358 3.9%
B 0.504s 126 1.4%
B 0.535s 6 0.1%
A 0 0.0mm 15 N F R | B -4 -0.1mm 15 N F R
---------------------------------------------------
Evaluating shutter behavior:
Shutter A opened to 100.0 percent in 0.565 seconds.
Shutter B opened to 99.9 percent in 0.535 seconds.
Shutter A closed to 0.1 percent in 0.536 seconds.
Shutter B closed to 0.1 percent in 0.535 seconds.
Problems: 0
---------------------------------------------------
Attempting audio conversion ... size= 228kB time=00:00:07.29 bitrate= 256.1kbits/s speed=1.17e+03x
audio converted to shutter.wav.
Copying shutter audio to dashboards ... done
DFM (FOCUS)
changing to best focus... dfm: filter=o[3] foc=9861 IDLE
Tue Oct 20 19:24:15 -03 2026 [elapsed=321 sec] Disabling mount tracking.
Waiting on the mount ... done.
Turning tracking off ... done.
Waiting on the mount ... done.
Recheck mount status ... done.
sitepsw 3 OFF redLED
sitepsw 4 OFF whiteLED
Preflight failed:
ACAM CCD is off;
Tue Oct 20 19:24:16 -03 2026 [elapsed=322 sec] Preflight took 322 seconds to complete.
Tue Oct 20 19:24:16 -03 2026 [elapsed=322 sec] STARTING CLEANUP
Turning off LEDs
sitepsw 3 OFF redLED
sitepsw 4 OFF whiteLED
Releasing TCS lock [preflight]
OK TCS lock released by preflight-CHL
Preflight image
Shutter acutation data:
A 0.020s 4 0.0% A 0.051s 113 1.2% A 0.081s 384 4.2% A 0.112s 749 8.2% A 0.142s 1213 13.3% A 0.172s 1803 19.7% A 0.202s 2466 26.9% A 0.233s 3266 35.7% A 0.263s 4175 45.6% A 0.293s 5103 55.7% A 0.323s 5997 65.5% A 0.353s 6776 74.0% A 0.384s 7433 81.2% A 0.414s 8004 87.4% A 0.444s 8459 92.4% A 0.475s 8793 96.1% A 0.505s 9027 98.6% A 0.535s 9139 99.8% A 0.565s 9154 100.0% B 0.020s 2 0.0% B 0.050s 112 1.2% B 0.081s 378 4.1% B 0.111s 727 7.9% B 0.141s 1202 13.1% B 0.171s 1772 19.4% B 0.201s 2465 26.9% B 0.232s 3268 35.7% B 0.262s 4168 45.5% B 0.292s 5105 55.8% B 0.322s 5987 65.4% B 0.352s 6771 74.0% B 0.383s 7441 81.3% B 0.413s 7987 87.3% B 0.443s 8443 92.2% B 0.473s 8786 96.0% B 0.503s 9018 98.5% B 0.534s 9137 99.8% B 0.564s 9156 100.0% sleeping 3 sec between shutter moves... A 0.020s 9150 100.0% A 0.050s 9042 98.8% A 0.081s 8768 95.8% A 0.111s 8408 91.9% A 0.141s 7941 86.7% A 0.172s 7361 80.4% A 0.202s 6668 72.8% A 0.232s 5868 64.1% A 0.262s 4951 54.1% A 0.292s 4008 43.8% A 0.323s 3140 34.3% A 0.353s 2363 25.8% A 0.383s 1691 18.5% A 0.413s 1129 12.3% A 0.444s 680 7.4% A 0.474s 349 3.8% A 0.504s 119 1.3% A 0.534s 14 0.2% A 0.565s 2 0.0% B 0.020s 9142 99.9% B 0.050s 9015 98.5% B 0.081s 8762 95.7% B 0.111s 8410 91.9% B 0.141s 7953 86.9% B 0.171s 7357 80.4% B 0.202s 6667 72.8% B 0.232s 5865 64.1% B 0.262s 4982 54.4% B 0.292s 4056 44.3% B 0.322s 3165 34.6% B 0.353s 2392 26.1% B 0.383s 1702 18.6% B 0.413s 1145 12.5% B 0.443s 700 7.6% B 0.474s 356 3.9% B 0.504s 132 1.4% B 0.534s 14 0.2% B 0.564s 0 0.0% A 0 0.0mm 15 N F R | B 0 0.0mm 15 N F R