GPText 2.0 installation failed with SSH errors

Products

• VMware Tanzu Greenplum

Issue/Introduction

Symptoms:

GPText installation fails with the following error:

20170623:03:45:45:007517 gptext-install:bdtcstr15n1:gpadmin-[INFO]:-Copy zookeeper cluster info to all segments ...
20170623:03:47:22:007517 gptext-install:bdtcstr15n1:gpadmin-[CRITICAL]:-Installation failed:
20170623:03:47:22:007517 gptext-install:bdtcstr15n1:gpadmin-[ERROR]:-Traceback (most recent call last):
 File "/tmp/greenplum-text-install-48676/install.py", line 118, in do_installation
 self._process_installation(version, zoo_man, solr_man)
 File "/tmp/greenplum-text-install-48676/install.py", line 172, in _process_installation
 self._create_gptext_config(zoo_cluster, zoodeployhosts, solrdeployhosts)
 File "/tmp/greenplum-text-install-48676/install.py", line 433, in _create_gptext_config
 UtilityManager.copy_zoo_cluster_toseg(self.pool)
 File "/tmp/greenplum-text-install-48676/utility.py", line 686, in copy_zoo_cluster_toseg
 lambda x: [zoo_cluster, x.getSegmentHostName(),
 File "/tmp/greenplum-text-install-48676/utility.py", line 327, in list_poolexe_checkres
 pool.check_results()
 File "/greenplum/greenplum-db/lib/python/gppylib/commands/base.py", line 140, in check_results
 raise ExecutionError("Error Executing Command: ",item)
ExecutionError: ExecutionError: 'Error Executing Command: ' occured. Details: '/usr/bin/scp -o 'StrictHostKeyChecking no' -r /data/master/gpseg-1/gptext.conf xxxx:/datax/primary/gpseg117' cmd had rc=1 completed=True halted=False
 stdout=''
 stderr='lost connection

Environment

Resolution

Enlarge the MaxStartups parameter (/etc/ssh/sshd_config) at all hosts from 10 to 100, then restart the SSH service. The issue should be fixed now.

Notes
GPText engineering team is also working on the doc improvement for the installation chapter.