title: HANA hdbindexserver start issue after power outage
body: <p>There was a power outage for our 5+1 node HANA cell cluster. </p>
  
  <p>After we booted up the servers, tried to start the HANA DB. </p>
  
  <p>During HDB start with SIDADM we can see on the nodes 2-3-4-5: </p>
  
  <pre><code>FAIL: process hdbindexserver HDB Indexserver not running
  </code></pre>
  
  <p>So of course trying to start hdbindexserver with hand with SIDADM: </p>
  
  <pre><code>cd /usr/sap/SIDADM/HDB0x/exe; ./hdbindexserver
  </code></pre>
  
  <p>But this just produces error: </p>
  
  <pre><code>/usr/sap/SIDADM/HDB0x/foobar003/trace&gt; cat indexserver_alert_foobar003.trc
  ...
  [14268]{-1}[-1/-1] 2017-10-09 19:55:34.593776 e TrexNet          Communication.cpp(00501) : no internal interface found
  [14287]{-1}[-1/-1] 2017-10-09 19:56:01.428226 e Checkpoint       CheckpointMgr.cc(00244) : Skip versions garbage collection savepoint: transaction distribution work failure: snapshot timestamp synchronization failed
  [14287]{-1}[-1/-1] 2017-10-09 19:56:22.467184 e Row_Engine       transdtx.cc(01410) : Unexpected ltt exception thrown: transaction distribution work failure (at foobar/ptime/storage/tm/transdtx.cc:1410 )
  [14287]{-1}[-1/-1] 2017-10-09 19:56:22.467427 f PersistenceLayer PersistenceController.cpp(00679) : startup failed exception  1: no.71000145  (ptime/storage/tm/transdtx.cc:1512)
      snapshot timestamp synchronization failed
  ...
  </code></pre>
  
  <p>The IPs are up. There is 1 TB of RAM. </p>
  
  <p><strong>The question:</strong> what could cause hdbindexserver to fail to start?</p>