topic Re: Why do we start SASServer1_1 first and wait for this to be started cleanly before starting other in Administration and Deployment

Why do we start SASServer1_1 first and wait for this to be started cleanly before starting other svr

bmsampath — Sun, 19 Sep 2021 19:42:33 GMT

Hi All,

I am new to SAS Admin. I have the following query.

I need to know why SASServer1_1 is started first in mid-tier and why do we have to wait for this to be started cleanly before starting other WebApp instances SASServer1_2, 1_3 and so on

Could you please help me with this?

Thanks,

Sampath

Re: Why do we start SASServer1_1 first and wait for this to be started cleanly before starting other

sbxkoenk — Sun, 19 Sep 2021 21:33:53 GMT

For questions like these, you should at least mention the SAS version you are working with and the OS.

Can you provide us with the SAS LOG of these statements (after submitting them)? :

%PUT &=sysvlong4;
%PUT &=sysscp;

Also, do you have a multi-server setup of SAS?

Can you tell us a bit about the SAS server architecture (SAS environment) as existing on your site?

Thanks,

Koen

Re: Why do we start SASServer1_1 first and wait for this to be started cleanly before starting other

bmsampath — Mon, 20 Sep 2021 05:51:52 GMT

Hi Koen,

We have meta/compute in one windows 2008 server and mid-tier in another windows 2008 server.

We have the following services running in mid-tier.

Services in Mid-tier

JMS Broker on port 61616
Cache locator on port 41415
httpd-webserver
SASServer1_1 => We need this to be started cleanly before starting remaining webApp servers.
SASServer12_1
SASServer2_1
SASServer9_1
Deployment Tester Server
Remote services
SAS Environment Manager
SAS Environment Manager Agent
Deployment Agent

output from SASStudio:

1 %put &=sysvlong4;
SYSVLONG4=9.04.01M2P07232014
2 %put &=sysscp;
SYSSCP=WIN

Hope this helps.

Thanks,
Sampath

Re: Why do we start SASServer1_1 first and wait for this to be started cleanly before starting other

gwootton — Mon, 20 Sep 2021 12:33:54 GMT

SAS Server 1 needs to be started first because the other application servers are dependent on the applications in SASServer1, mainly the Web Infrastructure Platform that allows them to engage with the rest of the environment.

Re: Why do we start SASServer1_1 first and wait for this to be started cleanly before starting other

masireddy — Tue, 21 Sep 2021 16:00:30 GMT

Hi Sampath

Are you referring to SASServer1 instances SASServer1_2, 1_3 or other WebApp servers SASServer12_1, SASServer2_1, SASServer9_1?

Applications that run inside SAS Web Application Server instances have dependencies on other SAS services. Many SAS web applications must connect to other servers during their initialization process. If these prerequisite servers are not running, failures might occur during application initialization. The prerequisite servers include the following:
- SAS Web Server, if it is configured
- database servers, including SAS Web Infrastructure Platform Data Server and third-party data servers
- SAS Metadata Server
- SAS Cache Locator, only for the server where SAS Web Infrastructure Platform is deployed
- SAS JMS BrokerSASServer1_1

Usually, SAS Web Infrastructure Platform is deployed in SASServer1.

Regards

Nithin Reddy