ETERNUS SF AdvancedCopy Manager V15.3 Operation Guide

A.2.1 Pre-processing of backup

The name of a script file for pre-processing of a backup is as follows.

In the case of non-cluster operation

<Environment directory>\etc\backup\scripts\OpcBackupPre.js

In the case of cluster operation

<Shared disk>:\etc\opt\swstorage\etc\backup\scripts\OpcBackupPre.js

A.2.1.1 Pre-processing script for backup

  1: // AdvancedCopy Manager for Windows
  2: // All Rights Reserved, Copyright FUJITSU LIMITED, 2002-2009
  3: //
  4: // OpcBackupPre.js: Pre-Processing Script for swstbackup
  5: //
  6: // [Parameters]
  7: // 1st argument: device name of transaction volume
  8: // 2nd argument: device name of backup volume
  9: //
 10: // [Return Values]
 11: // 0: The script ended normally.
 12: // 2: The number of the arguments is incorrect.
 13: // (2-3): not used, but must not be used because older versions use these values.
 14: // 4: An error other than the above occurred.
 15: 
 16: try {
 17:  // create global objects
 18:  var WshShell = WScript.CreateObject("WScript.Shell");            // create Shell object
 19:  var WshEnv  = WshShell.Environment("PROCESS");                 // create Environment object
 20:  var fsObj= WScript.CreateObject("Scripting.FileSystemObject"); // create FileSystemObject object
 21: 
 22:  // create SwstBackupPreProc object
 23:  var proc = new SwstBackupPreProc();
 24: 
 25:  // there is nothing to do if the pre/post-processing is not customized
 26:  proc.doNothingForDriveLetter();
 27: 
 28:  // if a backup volume is specified, .bd file is created.
 29:  if (proc.bvName.length != 0) {
 30:proc.writePostFile(proc.bdFileName, proc.bvName);
 31:    }
 32:  SwstQuit(0);
 33: } catch (e) {
 34:  SwstQuit(4);
 35: }
 36: 
 37: function SwstBackupPreProc()
 38: {
 39:  // member variables
 40:  this.tvName = WScript.Arguments.length!=2?SwstQuit(1):WScript.Arguments.Item(0); // device name of transaction volume
 41:  this.postFileName = getDataPathName() + "\\" + getPutFileName(this.tvName) + ".pre"; // name of postprocessing file
 42:  this.bvName = WScript.Arguments.Item(1);                                        // device name of transaction volume
 43:  this.bdFileName = getDataPathName() + "\\" + getPutFileName(this.tvName) + ".bd"; // name of postprocessing file
 44: 
 45:  // member functions
 46:  this.doNothingForDriveLetter = doNothingForDriveLetter; // self-explanatory
 47:  this.writePostFile      = writePostFile;      // self-explanatory
 48: }
 49: 
 50: function doNothingForDriveLetter()
 51: {
 52:  this.writePostFile(this.postFileName, "none");
 53: }
 54: 
 55: function writePostFile(postfile, postdata)
 56: {
 57:  var overwrite = true; // means to overwrite a file if it exists.
 58:  var postFileStream = fsObj.CreateTextFile(postfile, overwrite);
 59:  postFileStream.Write(postdata);
 60:  postFileStream.Close();
 61: }
 62: 
 63: function SwstQuit(exitStatus)
 64: {
 65:  switch(exitStatus) {
 66:  case 0:
 67:WScript.Quit(0);
 68:  case 1:
 69:WScript.Echo("[Backup Preprocessing] The number of the arguments is incorrect.");
 70:WScript.Quit(2);
 71:  default:
 72:WScript.Echo("[Backup Preprocessing] The script exited abnormally.");
 73:WScript.Quit(4);
 74:    }
 75: }
 76: 
 77: function getDataPathName()
 78: {
 79:  return WshShell.RegRead(getSetupInfoKey() + "\\etcPathName") + "\\etc\\backup\\data\\DEFAULT";
 80: }
 81: 
 82: function getBinPathName()
 83: {
 84:  return WshShell.RegRead(getSetupInfoKey() + "\\PathName") + "\\bin";
 85: }
 86: 
 87: function getSetupInfoKey()
 88: {
 89:  var nodeName = WshEnv.Item("SWSTGNODE");
 90:  if( nodeName != "" ){
 91:return "HKEY_LOCAL_MACHINE\\SOFTWARE\\Fujitsu\\AdvancedCopy Manager\\CurrentVersion\\" + nodeName;
 92:    }
 93:  return "HKEY_LOCAL_MACHINE\\SOFTWARE\\Fujitsu\\AdvancedCopy Manager\\CurrentVersion";
 94: }
 95: 
 96: function getPutFileName(deviceName){
 97:  var fileName;
 98:  if( isSafeDISKName(deviceName) ){
 99:var re = /(\S+)\/(\S+):(\S+)/;
100:fileName = deviceName.replace(re, "$1_$2_$3");
101:    }else{
102:fileName = deviceName;
103:    }
104:  return(fileName);
105: }
106: 
107: function getGXDXPX(deviceName){
108:  var gXdXpX;
109:  if( isSafeDISKName(deviceName) ){
110:var re = /(\S+)\/(\S+):(\S+)/;
111:gXdXpX = deviceName.replace(re, "$3");
112:    }else{
113:gXdXpX = deviceName;
114:    }
115:  return(gXdXpX);
116: }
117: 
118: function isSafeDISKName(deviceName){
119:  var key = ":g";
120:  var s = deviceName.indexOf(key);
121:  if ( s < 0 ) {
122:return (false);
123:    } else {
124:return (true);
125:    }
126: }