hawq state 报错： the database is down, but Ambari shows all hawq services as being

系统管理员 2022-06-03 10:30 169阅读 0赞

此问题官方有给出解决方案：https://discuss.pivotal.io/hc/en-us/articles/221826748-Pivotal-HDB-state-indicates-the-database-is-down-but-Ambari-shows-all-Pivotal-HDB-services-as-being-up

Environment

<table style="border-collapse:collapse; border-spacing:0px; table-layout:fixed; color:rgb(68,68,68); font-family:SourceSans; font-size:16px; height:65px"> 
 <tbody style=""> 
  <tr style="background-color:grey"> 
   <td style="padding:0px"><span style="color:rgb(230,230,230)">Product</span></td> 
   <td style="padding:0px"><span style="color:rgb(230,230,230)">Version</span></td> 
  </tr> 
  <tr style=""> 
   <td style="padding:0px">Pivotal HDB&nbsp;(HAWQ)</td> 
   <td style="padding:0px">2.x</td> 
  </tr> 
 </tbody> 
</table>

Symptom

Pivotal HDB shows as "up" in Ambari:

![Screen_Shot_2016-06-30_at_13.44.25.png][]

However, the following issues are seen:

*  HAWQ state fails with the following:

[gpadmin@hdm1 ~]$ hawq state
    Failed to connect to database, this script can only be run when the database is up.
    [gpadmin@hdm1 ~]$

*  Stopping HAWQ via command line or Ambari fails with the following:

20160630:05:45:42:039364 hawq_stop:hdm1:gpadmin-[ERROR]:-Failed to connect to the running database, please check master status

![Screen_Shot_2016-06-30_at_13.45.52.png][]

Error Message:

The [HAWQ master log ][HAWQ master log]will show errors similar to this:

[gpadmin@hdm1 pg_log]$ grep -i /data/hawq/master/pg_log/hba hawq-2016-06-30_044655.csv
    2016-06-30 05:44:03.818472 PDT,"gpadmin","template1",p38928,th1711609984,"172.28.21.118","51844",2016-06-30 05:44:03 PDT,0,,,seg-10000,,,,,"FATAL","28000","no pg_hba.conf entry for host ""172.28.21.118"", user ""gpadmin"", database ""template1"", SSL off",,,,,,,0,,"auth.c",603,
    2016-06-30 05:45:42.491576 PDT,"gpadmin","template1",p39401,th1711609984,"172.28.21.118","51874",2016-06-30 05:45:42 PDT,0,,,seg-10000,,,,,"FATAL","28000","no pg_hba.conf entry for host ""172.28.21.118"", user ""gpadmin"", database ""template1"", SSL off",,,,,,,0,,"auth.c",603,
    [gpadmin@hdm1 pg_log]$

Cause

pg\_hba.conf is set up incorrectly, so gpadmin does not have access to template1 from the HAWQ master host.

Resolution

Review the pg\_hba.conf and the Pivotal HDB [Allowing connections to HAWQ][] documentation to allow gpadmin access to database "template1" from the HAWQ master.

个人解决方法：

1、查看 /data/hawq/master/pg\_hba.conf 文件被人修改过，添加了有两条重复记录，注释掉以后，重启mater成功。

2、通过ambari重启所有服务，部分segment 执行stop命令失败，手动执行：

hawq stop segment -M immediate

成功，执行：

hawq start segment 成功。

[Screen_Shot_2016-06-30_at_13.44.25.png]: https://discuss.pivotal.io/hc/en-us/article_attachments/208871528/Screen_Shot_2016-06-30_at_13.44.25.png
[Screen_Shot_2016-06-30_at_13.45.52.png]: https://discuss.pivotal.io/hc/en-us/article_attachments/208871588/Screen_Shot_2016-06-30_at_13.45.52.png
[HAWQ master log]: https://discuss.pivotal.io/hc/en-us/articles/202754523
[Allowing connections to HAWQ]: http://hdb.docs.pivotal.io/20/clientaccess/client_auth.html#topic2