2916244 - HANA does not start due to NFS authorization problems

• After a NFS mount issue on Linux, the Virtual Machine was forcefully shutdown;
• After the restart, SAP HANA system does not start;
• In nameserver traces, you can observe messages similar to the following:
  [11822]{110018}[134/-1] 2020-04-16 12:57:07.759655 w FileIO NFSFileAccessor.cpp(00431) : Failed to flush file attribute cache of "/usr/sap/<SID>/HDBXX/<hostname>//daemon.ini.lck": 13 (Permission denied)
  [11822]{110018}[134/-1] 2020-04-16 12:57:07.759668 e lockfile FileLock.cpp(00238) : Cannot determine last modification time of lock file for /usr/sap/<SID>/HDBXX/<hostname>//daemon.ini 13 (Permission denied)
  [11822]{110018}[134/-1] 2020-04-16 12:57:07.759701 e FileIO NFSFileAccessor.cpp(00315) : Could not create file "/usr/sap/<SID>/HDBXX/<hostname>//daemon.ini.lck": 13 (Permission denied)
  [11822]{110018}[134/-1] 2020-04-16 12:57:07.759802 e lockfile FileLock.cpp(00198) : Exception while trying to get lock for /usr/sap/<SID>/HDBXX/<hostname>//daemon.ini exception 1: no.2000001 (ConfigMgr/NetworkFile.cpp:163)
  Generic file error; $[1]$=write new file with permissions $accessrights$ failed with os error: $sysrc$ ($sysmsg$); $accessrights$=rwxrwxrwx; $sysrc$=13; $sysmsg$=Permission denied
  [11822]{110018}[134/-1] 2020-04-16 12:57:07.759827 e Configuration Configuration.cpp(00294) : ltt::exception in "Configuration::setStringValueAux": exception 1: no.2000001 (ConfigMgr/NetworkFile.cpp:163)
  Generic file error; $[1]$=write new file with permissions $accessrights$ failed with os error: $sysrc$ ($sysmsg$); $accessrights$=rwxrwxrwx; $sysrc$=13; $sysmsg$=Permission denied
  exception throw location:
  1: 0x00007fb10861cfee in config::NetworkFile::writeInternal(ltt::basic_string<char, ltt::char_traits<char>, ltt::integer_constant<64> > const&, int, int, bool) const+0x26a at NetworkFile.cpp:161 (libhdbbasement.so)
  2: 0x00007fb10861d648 in config::NetworkFile::directWrite(ltt::basic_string<char, ltt::char_traits<char>, ltt::integer_constant<64> > const&, int, int) const+0xa4 at NetworkFile.cpp:83 (libhdbbasement.so)
  3: 0x00007fb1086801a4 in config::FileLock::tryLock()+0x210 at FileLock.cpp:274 (libhdbbasement.so)
  4: 0x00007fb10868037c in config::FileLock::lock()+0x68 at FileLock.cpp:140 (libhdbbasement.so)
  5: 0x00007fb108691df2 in config::IniFile::write()+0x40 at IniFile.cpp:554 (libhdbbasement.so)
  6: 0x00007fb108613a36 in config::LayeredIniFile::write()+0x22 at LayeredIniFile.cpp:368 (libhdbbasement.so)
  7: 0x00007fb10868450d in config::Configuration::setStringValueAux(ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt::basic_string<char, ltt::char_traits<char>, ltt::integer_constant<64> > const&)+0x249 at Configuration.cpp:288 (libhdbbasement.so)
  8: 0x00007fb1086847ca in config::Configuration::setStringValue(ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt::basic_string<char, ltt::char_traits<char>, ltt::integer_constant<64> > const&)+0x16 at Configuration.cpp:306 (libhdbbasement.so)
  9: 0x00007fb1283a2ef6 in NameServer::MDCRequestHandler::daemonCreateDatabase(ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, ltt_adp::basic_string<char, ltt::char_traits<char>, ltt::integral_constant<bool, true> > const&, NameServer::ServiceType)+0x2562 at MDCRequestHandler.cpp:1649 (libhdbns.so)
  10: 0x00007fb12827c356 in NameServer::MDCRequestHandler::startDatabaseIntern(NameServer::Response&, NameServer::Request&)+0x1672 at MDCRequestHandler.cpp:501 (libhdbns.so)
  11: 0x00007fb12828186f in NameServer::MDCRequestHandler::startDatabase(NameServer::Response&, NameServer::Request&)+0x1b at MDCRequestHandler.cpp:299 (libhdbns.so)
  12: 0x00007fb12838a2aa in NameServer::TREXNameServer::processRequest(NameServer::Request const&, NameServer::Response&)+0x176 at functional.hpp:3182 (libhdbns.so)
  13: 0x00007fb12837e0e1 in NameServer::TREXNameServer::handle(TrexNet::Request&, TrexService::HandlerContext&)+0x850 at TREXNameServer.cpp:1146 (libhdbns.so)
  14: 0x00007fb129e6041f in TRexAPI::TREXIndexServer::handle(TrexNet::Request&, TrexService::HandlerContext&)+0x2eb at TREXIndexServer.cpp:4231 (hdbnameserver)
  15: 0x00007fb10842f8e5 in TrexService::WorkerThread::run(void*)+0x14f1 at TrexServiceThreads.cpp:615 (libhdbbasement.so)
  16: 0x00007fb10844d912 in TrexThreads::PoolThread::run()+0x710 at PoolThread.cpp:464 (libhdbbasement.so)
  17: 0x00007fb108450316 in TrexThreads::PoolThread::run(void*&)+0x12 at PoolThread.cpp:144 (libhdbbasement.so)
  18: 0x00007fb10573d236 in Execution::Thread::staticMainImp(void**)+0x3f2 at Thread.cpp:540 (libhdbbasis.so)
  19: 0x00007fb10573d996 in Execution::Thread::staticMain(void*)+0x22 at ThreadMain.cpp:31 (libhdbbasis.so)
  20: 0x00007fb10573a629 in Execution::pthreadFunctionWrapper(Execution::PthreadWrapperInfo*)+0x375 at Thread.cpp:1083 (libhdbbasis.so)
  21: 0x00007fb1052150a4 in start_thread+0xc0 (libpthread.so.0)
  22: 0x00007fb103e9c02d in __clone+0x69 (libc.so.6)

• SAP HANA Platform;
• Distributed System using NFS;

permission denied, rc=13, errno: 13, exception, hdbdaemon, nameserver, indexserver, hdbnameserver, hdbindexserver, hdbdaemon , KBA , HAN-DB-SEC , SAP HANA Security & User Management , Problem