Before the RCG 3.0.1 Reboot (probably later today), there was an action to go through the SDF System to clean it up, check, or atleast note DIFFS. This is because when the RCG change occurs, ALL front ends will be rebooted! After a reboot, the frontends should check the safe.snap files and restore the systems to a "SAFE" state determined by these safe.snap files.
So this is a best effort to make sure we come back to a safe state, with no major surprises and possibly maintain all accepted changes we had.
SDF file checks were primarily addressed by Subsytem experts:
It is sounding like others are ACCEPTING diffs for their subsystems so their SDFs will look green (assuming they have the safe file selected on the SDF).
I picked a few subsystems to help lighten the load for others. Since I am not an expert on these subsystems, I only took snapshot images of all the DIFFs observed on SDF. SO, these will have some RED DIFFs!
PSL SDFs came up with these files as default on the SDF Overview: DBB(safe), FSS(safe), ISS(down), PMC(safe)
ISS came up with the down file, but it also has a safe file as well (the other ones do not have down files).
Did NOT ACCEPT any DIFFS since I am not familiar with channels here. Jason/Peter are out today so did not want to ACCEPT anything without them.
Took snapshot of:
CS ECAT came up with these files as default on the SDF Overview: PLC1(OBSERVE), PLC2(down), PLC3(OBSERVE)
All had OBSERVE files, but some did/didn’t have safe & downs.
Did NOT ACCEPT any DIFFs. Daniel/Patrick said that would be OK.
Took snapshot of:
EX ECAT PLC1(observe), PLC2(down), PLC3(observe)& PEM (safe)
The ECATs mainly had OBSERVEs (plc2 had a down though).
Took snapshot of:
EY ECAT PLC1(observe), PLC2(down), PLC3(observe)& PEM (safe)
The ECATs mainly had OBSERVEs (plc2 had a down though).
Took snapshot of:
Jenne and I have cleared out all of the SUS DOWN.snap SDF screens. Note, there are no DOWN files for the HTTS, IM, and SR3 SDF screens so we cleaned house on the SAFE.snap for these. All suses are sitting in the DOWN file with the exception of these 3 which are on SAFE. We have left red:
- Some benign diffs on the MC2 SDF because this SUS is misaligned (not a usual state for the SAFE.snap to be looking at)
- Some benign diffs on the IM SDF, commiss message, and MASTER ON/OFF - safe wants the masters to be OFF but we haven't set the sus actually to safe yet.
Other findings which we cleared out were:
- Lots of TRAMPS
- Some alignment settings
- The ITMX and ITMY L2_Drivealign P2L Gain tweek
- The ITMX R0 Opticalign Y offset
See snapshot attached of all the SDFs before we started (minus the IM which Cheryl worked through a bit for mostly alignment and TRAMPS).
I accepted the 2 CAL diffs. See screenshot for what they were.
H1 SEI was cleaned up at about 9:30 local this morning. Rich is currently working on some stuff on the BSC's, but we shouldn't lose too much at this point if it doesn't get captured before any model restarts.