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<== Date ==> <== Thread ==>

Subject: LinuxRT remote reboot from EPICS
From: "Luchini, Kristi L." <[email protected]>
To: "[email protected]" <[email protected]>
Date: Sat, 28 Feb 2015 00:58:06 +0000
Hello,

LCLS Magnet Controls are upgrading a ps controller that is used to power low current magnets. The new ps controller
has onboard adc,dac, dio,fpga,evr, interrupts  and a removable COMx cpu running LinuxRT.  
So this ps controller will be an embedded EPICS IOC, running LinxuRT.

We are close to rolling  new hardware out to  production, but before that happens, we need  to work on the infrastructure for linuxRT.

For instance:

1) remote reboot of EPICS processes running on linuxRT cpu,  from EDM. 
2) making sure the same process isn't started multiple time on the cpu as part of the reboot...so we don't have duplicate PVs.
3) killing a dead EPICS process on the linuxRT cpu,
4) cpu stats in EPICS
5) providing an easy way to change the DHCP config file and restart the DHCP sever for Operations.
 In case , a ps controller needs to be replaced in the middle of night.   There' s no static ip you can set in the nv ram like an mvme6100. 

Before starting to develop our own solution, I wanted to ask if other have already done so , and hopefully we can benefit from your hard work.

Regards,
- Kristi


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