Experimental Physics and
Industrial Control System

Tim Mooney <[email protected]> · Thu, 25 Aug 2011 14:24:19 -0500 (CDT)

----- Original Message -----
> From: "emmanuel mayssat" <[email protected]>
> To: "Pete Jemian" <[email protected]>
> Cc: [email protected]
> Sent: Thursday, August 25, 2011 12:25:21 PM
> Subject: Re: 'open' epics backup?
> On 12:41 Wed 24 Aug , Pete Jemian wrote:
> > Not sure what type of backup you are considering.
> > Here's a couple tools or methods:
> >
> > * persistence of PVs across IOC reboots: autosave, from synApps
> > * snapshots of a set of PVs at regular times: SDDS files
> > * time-series display of PVs: various including SDDS or rrdtool
> 
> I am currently using SDDS and moving away from it.
> (no python support, no used outside of epics community)
> I looked at RRDtool.
> Although that is not a backup utility, that's definitly something I
> want to use to move away from
> timeseries using SDDS. (which I also use)
> Just a question: how do you take a time serie of thousands of PV with
> rrdtool at one time T?
> I assume you had to develop a ca plugin/utility, didn't you?
> 
> When I talked about backup, I am refering to snapshot, which can be
> restored.
> sddscasr can do that. Anything else?

I use BURT for this.
http://www.aps.anl.gov/epics/extensions/burt/index.php

> As far as IRMIS is concerned, well although I don't know much about
> it, just hearing IRMIS sounds
> complicated. Reading the IRMIS primer is confusing. I just want to
> take a snapshot and IRMIS, it seems
> to me, can do everything ;-)
> 
> 
> --
> Emmanuel

-- 
Tim Mooney ([email protected]) (630)252-5417
Software Services Group (www.aps.anl.gov)
Advanced Photon Source, Argonne National Lab

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System