| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
14241
|
Wed Oct 10 12:38:27 2018 |
yuki | Configuration | LSC | All hardware was installed | I connected DAC - AIboard - PZTdriver -
PZT mirrors and made sure the PZT mirrors
were moving when changing the signal |
|
|
14257
|
Mon Oct 15 20:11:56 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | Final Procedure Report for Green Locking
in YARM:
Purpose |
|
|
14260
|
Wed Oct 17 20:46:24 2018 |
yuki | Configuration | ASC | Y end table upgrade plan | To do for Green Locking in YARM:
The auto-alignment servo should
be completed. This servo requires many parameters |
|
|
14301
|
Fri Nov 16 15:09:31 2018 |
Steve | Configuration | VAC | not venting cryo and ion pumps | Notes on the ion pumps and cryo pump:
Our
4 ion pumps were closed off for a lomg time.
I estmated their pressure to be around ~1 |
|
|
14322
|
Tue Nov 27 17:06:51 2018 |
Steve | Configuration | VAC | Agilent 84FS turbo installed as TP2 | Chub & Steve, |
|
|
14382
|
Thu Jan 3 21:17:49 2019 |
rana | Configuration | Computers | Workstation Upgrade: Donatella -> Scientific Linux 7.2 | donatella was one of our last workstations
running ubuntu12. we installed SL7 on there
today |
|
|
14387
|
Mon Jan 7 11:54:12 2019 |
Jon | Configuration | Computer Scripts / Programs | Vac system shutdown | I'm making a controlled shutdown of
the vac controls to add new ADC channels.
Will advise when it's back up. |
|
|
14388
|
Mon Jan 7 19:21:45 2019 |
Jon | Configuration | Computer Scripts / Programs | Vac system shutdown | ADC work finished for the day. The vac
controls are back up, with all valves
CLOSED and all pumps OFF. |
|
|
14476
|
Fri Mar 8 08:40:26 2019 |
Anjali | Configuration | | Frequency stabilization of 1 micron source | The schematic of the homodyne configuration
is shown below.
Following are the list of components |
|
|
14664
|
Tue Jun 11 19:25:58 2019 |
aaron | Configuration | BHD | Reviving the single OMC BHD design? | I drew out some idea of how we might
use a single OMC to clean both paths of the
BHD after mixing, without being susceptible |
|
|
14672
|
Thu Jun 13 22:21:44 2019 |
Koji | Configuration | CDS | Paola wireless connected to martian | SURFs had trouble connecting paola to martian
via wireless.
Of course, it requires a fixed IP |
|
|
14685
|
Fri Jun 21 19:22:40 2019 |
Koji | Configuration | BHD | Reviving the single OMC BHD design? | I think a Faraday rotator rotates the polarizations
in a same way for both forward and backward
beam, and it's not like in this figure. |
|
|
14692
|
Mon Jun 24 13:48:36 2019 |
Kruthi | Configuration | CDS | Giada wireless connection | [Gautam, Kruthi]
This afternoon, Gautam helped me
setup Giada to access the GigE installed |
|
|
14767
|
Wed Jul 17 17:56:18 2019 |
Koji | Configuration | Computers | Gave resolv.conf to giada | Kruthi noticed that she could not login
to rossa from giada.
I checked /etc/resolv.conf and |
|
|
14812
|
Thu Jul 25 14:28:03 2019 |
gautam | Configuration | Computers | firewalld disabled for EPICS CA | I think rana did some more changes to this
workstation to make it useful for commissioning
activities - but the MEDM screens were still |
|
|
15085
|
Sun Dec 8 20:48:29 2019 |
rana | Configuration | Computers | Megatron: starts up grade | I noticed recently that Megatron was running
Ubuntu 12, so I've started
its OS upgrade. |
|
|
15095
|
Wed Dec 11 22:01:24 2019 |
rana | Configuration | Computers | Megatron: starts up grade | Megatron is now running Ubuntu 18.04
LTS.
We should probably be able to load |
|
|
15117
|
Mon Jan 13 15:47:37 2020 |
shruti | Configuration | Computer Scripts / Programs | c1psl burt restore | [Yehonathan, Jon, Shruti]
Since the PMC would not lock, we
initially burt-restored the c1psl machine |
|
|
15125
|
Wed Jan 15 14:10:28 2020 |
Jon | Configuration | PSL | New EPICS database for C1PSL + C1IOO | Summary
I have completed the
new EPICS channel database for the c1psl
and c1ioo channels |
|
|
15142
|
Wed Jan 22 19:17:20 2020 |
gautam | Configuration | Computers | Megatron: starts up grade | upgrade was done
cronjob testing wasn't one
by one 😢 |
|
|
15145
|
Thu Jan 23 15:32:42 2020 |
gautam | Configuration | Computers | Megatron: starts up grade | The burt snapshotting is still not so reliable
- for whatever reason, the number of snapshot
files that actually get written looks random. |
|
|
15150
|
Thu Jan 23 23:07:04 2020 |
Jon | Configuration | PSL | c1psl breakout board wiring | To facilitate wiring the c1psl chassis
and scripting loopback tests, I've
compiled a distilled spreadsheet with the |
|
|
15158
|
Mon Jan 27 14:01:01 2020 |
Jordan | Configuration | General | Repurposed Sorenson Power Supply | The 24 V Sorenson (2nd from bottom) in
the small rack west of 1x2 was repurposed
to 12V 600 mA, and was run to a terminal |
|
|
15159
|
Mon Jan 27 18:16:30 2020 |
gautam | Configuration | Computers | Sluggish megatron? | I've also been noticing that the IMC
Autolocker scripts are running rather sluggishly
on Megatron recently. Some evidence - on |
|
|
15164
|
Tue Jan 28 15:39:04 2020 |
gautam | Configuration | Computers | Sluggish megatron? | There were a bunch of medm processes stalled
on megatron (connected with screenshot taking).
To see if they were interfering with the |
|
|
15167
|
Tue Jan 28 17:36:45 2020 |
gautam | Configuration | Computers | Local EPICS7.0 installed on megatron | [Jon, gautam]
We found that the caput |
|
|
15168
|
Tue Jan 28 19:12:30 2020 |
Jon | Configuration | PSL | Spare channels added to c1psl chassis | After some discussion with Gautam, I decided
to build more spare channels into the new
c1psl machine. This is anticipation of adding |
|
|
15421
|
Mon Jun 22 10:43:25 2020 |
Jon | Configuration | VAC | Vac maintenance at 11 am | The vac system is going down at 11 am today
for planned maintenance:
Re-install the repaired |
|
|
15424
|
Mon Jun 22 20:06:06 2020 |
Jon | Configuration | VAC | Vac maintenance complete | This work is finally complete. The dry
pump replacement was finished quickly but
the controls updates required some substantial |
|
|
15425
|
Tue Jun 23 17:54:56 2020 |
rana | Configuration | VAC | Vac maintenance complete | I propose we go for all CAPS for all channel
names. The lower case names is just a holdover
from Steve/Alan from the 90's. All other |
|
|
15446
|
Wed Jul 1 18:03:04 2020 |
Jon | Configuration | VAC | UPS replacements | I looked into how the new UPS devices
suggested by Chub would communicate with
the vac interlocks. There are several possible |
|
|
15465
|
Thu Jul 9 18:00:35 2020 |
Jon | Configuration | VAC | UPS replacements | Chub has placed the order for two new UPS
units (115V for TP2/3 and a 220V version
for TP1). |
|
|
15510
|
Sat Aug 8 07:36:52 2020 |
Sanika Khadkikar | Configuration | Calibration-Repair | BS Seismometer - Multi-channel calibration | Summary :
I have been working on analyzing |
|
|
15526
|
Fri Aug 14 10:10:56 2020 |
Jon | Configuration | VAC | Vacuum repairs today | The vac system is going down now for planned
repairs [ELOG
15499]. It will likely take most |
|
|
15527
|
Sat Aug 15 02:02:13 2020 |
Jon | Configuration | VAC | Vacuum repairs today | Vacuum work is completed. The TP2 and TP3
interlocks have been overhauled as proposed
in ELOG |
|
|
15528
|
Sat Aug 15 15:12:22 2020 |
Jon | Configuration | VAC | Overhaul of small turbo pump interlocks | Summary
Yesterday I completed
the switchover of small turbo pump interlocks
as proposed in ELOG |
|
|
15738
|
Fri Dec 18 22:59:12 2020 |
Jon | Configuration | CDS | Updated CDS upgrade plan | Attached is the layout for the "intermediate"
CDS upgrade option, as was discussed on Wednesday.
Under this plan: |
|
|
15742
|
Mon Dec 21 09:28:50 2020 |
Jamie | Configuration | CDS | Updated CDS upgrade plan |
Quote:
|
|
|
15746
|
Wed Dec 23 23:06:45 2020 |
gautam | Configuration | CDS | Updated CDS upgrade plan |
The diagram should clearly show
the host machines and the expansion chassis
and the interconnects between them.
We |
|
|
15771
|
Tue Jan 19 14:05:25 2021 |
Jon | Configuration | CDS | Updated CDS upgrade plan | I've produced updated diagrams of the
CDS layout, taking the comments in 15476 into |
|
|
15772
|
Tue Jan 19 15:43:24 2021 |
gautam | Configuration | CDS | Updated CDS upgrade plan | Not sure if 1Y1 can accommodate both c1sus2
and c1bhd as well as the various electronics
chassis that will have to be installed. There |
|
|
15921
|
Mon Mar 15 20:40:01 2021 |
rana | Configuration | Computers | installed QTgrace on donatella for dataviewer | I installed QTgrace using yum on donatella. Both Grace and |
|
|
15928
|
Wed Mar 17 09:05:01 2021 |
Paco, Anchal | Configuration | Computers | 40m Control Room Changes |
Switched positions of allegra and
donatella.
While doing so, the
hdmi cable previously used by donatella snapped. |
|
|
16027
|
Wed Apr 14 13:16:20 2021 |
Anchal | Configuration | Computers | 40m Control Room Changes |
I have confirmed that the old two
monitors' backlighting is not working.
One can see the impression of the display |
|
|
16163
|
Wed May 26 11:45:57 2021 |
Anchal, Paco | Configuration | IMC | MC2 analog camera | [Anchal, Paco]
We went near the MC2 area and opened
the lid to inspect the GigE and analog video |
|
|
16302
|
Thu Aug 26 10:30:14 2021 |
Jamie | Configuration | CDS | front end time synchronization fixed? | I've been looking at why the front
end NTP time synchronization did not seem
to be working. I think it might not |
|
|
16614
|
Mon Jan 24 12:33:41 2022 |
rana | Configuration | Wiki | AIC Wiki: txz files allowed | I updated the mime.local.conf file for
the AIC Wiki so as to allow attachments with
the .txz |
|
|
16874
|
Wed May 25 16:56:44 2022 |
Paco | Configuration | BHD | IFO recovery - IMC alignment | [Yuta, Paco]
We aligned IMC to recover the IFO
progressively. First step was to center the |
|
|
16875
|
Wed May 25 17:34:47 2022 |
yuta | Configuration | BHD | IFO recovery - IFO alignment | IFO aligned to maximize flashings, except
for GRY and LO-AS.
|
|
|
16877
|
Thu May 26 19:55:43 2022 |
yuta | Configuration | BHD | Oplevs centered, BHD DCPDs are now online | [Paco, Yuta]
We have aligned the IFO (except
for LO-AS and GRY), and centered |
|