Experimental Physics and
Industrial Control System

Tim Mooney <[email protected]> · Wed, 16 Mar 2011 07:59:52 -0500 (CDT)


----- Original Message -----
> From: "Abadie Lana" <[email protected]>
> To: [email protected]
> Sent: Wednesday, March 16, 2011 6:20:25 AM
> Subject: Autosave config file
> Hi all
> I would like to know if somebody can help me with autosave utility.
> I have a few questions:
> 1. in the xxxsaveRestore.cmd
> There is the function save_restoreSet_status_prefix : what is the use
> of this function since we specify the value of the prefix when calling
> dbLoadRecords and assigning the proper value to the macro

Autosave is partly a channel access client, and the 

> I tried to out two different values as shown below. The only
> differences between the two is when I start the ioc, it complains that
> it could not read status value:
> 
> epics> save_restore: Can't connect to all status PV(s)
> save_restore: Can't connect to status PV(s) for list 'plc-sample.sav'
> 
> ### save_restore setup
> # status-PV prefix
> save_restoreSet_status_prefix("blabla:")
> 
> # Use status-PV
> save_restoreSet_UseStatusPVs(1)
> 
> # Debug-output level
> save_restoreSet_Debug(0)
> 
> # Ok to save/restore save sets with missing values (no CA connection
> to PV)?
> save_restoreSet_IncompleteSetsOk(1)
> # Save dated backup files?
> save_restoreSet_DatedBackupFiles(1)
> 
> # Number of sequenced backup files to write
> save_restoreSet_NumSeqFiles(3)
> # Time interval between sequenced backups
> save_restoreSet_SeqPeriodInSeconds(300)
> 
> # specify where save files should be
> set_savefile_path("$(EPICS_AUTOSAVE_VAR)")
> 
> # specify what save files should be restored. Note these files must be
> # in the directory specified in set_savefile_path(), or, if that
> function
> # has not been called, from the directory current when iocInit is
> invoked
> 
> # Save files associated with the request files 'auto-output.req' and
> # 'auto-input.req'. These files are the standard way to use autosave
> 
> set_pass1_restoreFile("plc-sample.sav")
> 
> # specify directories in which to to search for included request files
> set_requestfile_path("./")
> 
> dbLoadRecords("$(EPICS_MODULES)/autosave/db/save_restoreStatus.db"),
> "P=TEST-S7-COMM:")
> 
> 
> However the PVs related to autosave are there and autosave is working.
> So where i can see the impact?
> 
> 2. I would like to check if i understood the policy for autosave
> generated files - the configuration used is the previous one
> - We have xxx.sav_<date> which says the initial values used when the
> ioc started :
> - Then it replicates this file to a savX (circular algorithm between
> .sav, .sav0, sav1)
> - .sav has always a backup .savB and copied to .sav sav0 or sav1 every
> 5mn
> - we also use
> create_monitor_set("plc-sample.req",30,"P=TEST-S7-COMM:") ->if a PV
> changes its value then it will be report on .sav or the most recent
> one? As i think .sav is the one used for restore
> 
> 
> 
> [root@current ~]# ll /var/opt/codac-2.0/autosave/ |grep
> plc-sample|grep 'Mar 16'
> -rw-r--r-- 1 codac codac 392 Mar 16 11:58 plc-sample.sav
> -rw-r--r-- 1 codac codac 392 Mar 16 11:57 plc-sample.sav0
> -rw-r--r-- 1 codac codac 392 Mar 16 12:02 plc-sample.sav1
> -rw-r--r-- 1 codac codac 392 Mar 16 10:53 plc-sample.sav_110316-105306
> -rw-r--r-- 1 codac codac 392 Mar 16 11:02 plc-sample.sav_110316-110228
> -rw-r--r-- 1 codac codac 392 Mar 16 11:57 plc-sample.sav_110316-115743
> -rw-r--r-- 1 codac codac 392 Mar 16 11:52 plc-sample.sav2
> -rw-r--r-- 1 codac codac 392 Mar 16 11:58 plc-sample.savB
> [root@current ~]#
> 
> root@current ~]# ll /var/opt/codac-2.0/autosave/ |grep plc-sample|grep
> 'Mar 16'
> -rw-r--r-- 1 codac codac 371 Mar 16 12:05 plc-sample.sav
> -rw-r--r-- 1 codac codac 371 Mar 16 12:12 plc-sample.sav0
> -rw-r--r-- 1 codac codac 392 Mar 16 12:02 plc-sample.sav1
> -rw-r--r-- 1 codac codac 392 Mar 16 10:53 plc-sample.sav_110316-105306
> -rw-r--r-- 1 codac codac 392 Mar 16 11:02 plc-sample.sav_110316-110228
> -rw-r--r-- 1 codac codac 392 Mar 16 11:57 plc-sample.sav_110316-115743
> -rw-r--r-- 1 codac codac 371 Mar 16 12:07 plc-sample.sav2
> -rw-r--r-- 1 codac codac 371 Mar 16 12:05 plc-sample.savB
> [root@current ~]#
> 
> Many thanks for your feedback and hope I'm clear
> 
> Lana

-- 
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