Solution : https://service.sap.com/sap/support/notes/525677 (SAP Service marketplace login required)
Summary :
This SAP Note discusses issues with starting or connecting to the shadow instance during system switch upgrades, including during the implementation of Enhancement Packages or Support Package stacks using SAPehpi (starting Basis release 700). The errors occur post the phase STOP_SHDI_LAST, emphasizing that problems are not due to the non-running status of the shadow instance. Various solutions are proposed depending on the platform and situation: HP-UX specific issues with environment variables, UNIX issues with logical host names, manual restarts in specific releases, and parameter adjustments in the instance profile to troubleshoot or avoid errors. Specific instructions are given to handle errors like "TEXTENV_INVALID" and issues with codepages in shadow system configurations.
Key words :
high priority category upgrade information validity software componentfrom rel, cleanipc <sysno> remove cleanipc <shdsysno> removewhere sysno = number, <upgrade_directory>/<sid>/dvebmgs<shdsysno>/work header data released, components bc-ehp enhancement package priority correction, customer component bc-upg upgrade - general, <dir_put>/sid/homeshd/sidthe profile parameter, upgrade directory + temse output path + file, <sid>_dvebmgs<shdsysno>_<host, cd /usr/sap/put/bin 5, sap nw 2004s support rel
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