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April 6th, 2018 08:00
Template Changes and Propagation
I followed https://support.emc.com/kb/517421 to disable basic authentication by modifying webui_httpd.conf as directed and saw this information:
Any modifications to the template file will automatically be detected by the system and propagated to the rest of the cluster.
My question is when? I made the change almost 24 hours ago on node #5. So far, none of the other nodes have picked up the new template.
I only have a 5-node cluster, so I could just copy it manually but should I? Why does the documentation expect it to be propagated automatically, perhaps in an older version of OneFS it did? My version is v8.0.0.4. Thanks.
Message was edited by: Ryan_CSULB (typo in spelling)
Yan_Faubert
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April 6th, 2018 10:00
Yes open an SR. The KB is correct that the location of the file is /etc/mcp/templates/webui_httpd.conf (for this particular file / situation) but the changes in that file do not get propagated (tested in my 8.0.0.4 and also in my 8.1.0.2 environment).
Most likely the KB requires an update with the procedure to manually propagate the changes across all nodes.
Peter_Sero
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April 6th, 2018 08:00
Seems the KB is incorrect in one point: the file to be modified is
/etc/mcp/override/webui_httpd.conf
not
/etc/mcp/templates/webui_httpd.conf
The "templates" directory hold files to be installed on new nodes.
-- Peter
Peter_Sero
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April 6th, 2018 10:00
In general, changes in the "override" folder will be propaged to all nodes in the cluster, for a pre-configured set of files. Best option now is a SR.
Ryan_CSULB
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April 6th, 2018 10:00
Thanks Peter. With the fact that I don't have a file webui_httpd.conf in /etc/mcp/override and potentially incorrect information in the support doc, I think I'll open a SR and request assistance.
Ryan_CSULB
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April 6th, 2018 13:00
EMC Technician suggested I just manually copy the file. He thinks perhaps the file would propagate from the /etc/mcp/template location to the other nodes when the http/webui services restart but he wasn't 100% sure. That makes me wonder if the changes don't actually go into effect until a service restart, but I'm not going to worry about that. I'll likely have a patch install or other maintenance soon enough.