Simplified TSM connection test to only call 'dsmc query session' (iss…

…ue 1534)

usr/share/rear/verify/TSM/default/389_check_TSM_connection.sh

@@ -1,17 +1,19 @@
 # Test connection to the TSM server.
 #
-# TODO: This should be enhanced to request a TSM password from the user
+# Additionally this requests a general TSM password from the user
 # when there is no TSM password file 'TSM.PWD' in the recovery system
 # cf. https://github.com/rear/rear/issues/1642
+# but it does not request possibly further TSM passwords from the user
+# like passwords for encryption or decryption of files, cf.
+# https://github.com/rear/rear/issues/1534#issuecomment-351313623
 #
 # Regarding usage of '0<&6 1>&7 2>&8' see
 # "What to do with stdin, stdout, and stderr"
 # in https://github.com/rear/rear/wiki/Coding-Style
 #
-# First try "dsmc query session" because it is faster than "dsmc query mgmt":
+# Test with "dsmc query session" (it is faster than e.g. "dsmc query mgmt")
+# and it is also enough for the prompt of the general TSM password, cf.
+# https://github.com/rear/rear/issues/1534#issuecomment-351067465
 dsmc query session 0<&6 1>&7 2>&8 && return
-LogPrintError "Possibly no connection to TSM server ('dsmc query session' returns '$?')"
-# When "dsmc query session" failed try "dsmc query mgmt":
-dsmc query mgmt 0<&6 1>&7 2>&8 && return
-Error "No connection to TSM server ('dsmc query mgmt' returns '$?')"
+Error "No connection to TSM server ('dsmc query session' returns '$?')"