{"id":6321,"date":"2017-05-31T12:58:17","date_gmt":"2017-05-31T12:58:17","guid":{"rendered":"http:\/\/evolphin.com\/help\/?p=6321"},"modified":"2020-05-18T08:52:15","modified_gmt":"2020-05-18T12:52:15","slug":"upgrading-zoom-servers-with-hadr-independent-databases","status":"publish","type":"post","link":"https:\/\/evolphin.com\/help\/deployment\/server-installation\/upgrading-zoom-servers-with-hadr-independent-databases\/","title":{"rendered":"Upgrading Zoom Servers with HADR (Independent Databases)"},"content":{"rendered":"\n

Prerequisites<\/span><\/h2>\n\n\n\n
  1. Zoom should be installed with the HADR module in (I) configuration, i.e. Independent DB locations, not shared, at each Zoom server. Assuming e.g.\u00a0<\/span>ZS1, ZS2 & ZS3 = Three servers with independent DBs (I mode)<\/li>
  2. Preview server(s) installed on separate machines (Assuming e.g. ZPS1 & ZPS2)<\/span><\/li><\/ol>\n\n\n\n

    Steps<\/span><\/h2>\n\n\n\n
    1. For each Zoom Server:<\/span>
      1. Restart<\/b> the Zoom Server service <\/span>with checkpoint<\/b>.<\/span>
        1. Use the javaZoom utility as given in: <\/span>https:\/\/evolphin.com\/help\/docs\/v5\/server\/zoom-server-checkpointing-on-restart\/<\/span><\/a><\/li>
        2. A privileged user is required to restart the service when using the javaZoom command.<\/span>
          1. On Windows: Open<\/strong> Command Prompt as Administrator.<\/span><\/li>
          2. On Linux: Switch<\/strong> to the root user in the Terminal.<\/span> <\/li><\/ol><\/li>
          3. Otherwise, use javaZoom to enable checkpoint but not restart (-nr option). Then services can be restarted manually, as done normally.<\/span> <\/li><\/ol><\/li>
          4. Wait<\/b> for the checkpoint to complete. <\/span> <\/li><\/ol><\/li><\/ol>\n\n\n\n

            Note:<\/span><\/p>\n\n\n\n

            • This checkpoint restart can be done in a staggered manner, i.e. one Zoom Server at a time, so that the users are able to use the system while one service is unavailable during checkpointing.<\/span><\/li>
            • Preferably, perform this upgrade process soon after the scheduled auto-restart of the Zoom servers, so that there is lesser data to checkpoint and it completes faster.<\/span><\/li><\/ul>\n\n\n\n
              1. Open<\/b> the HADR Dashboard Status page in the Web Management Console. <\/span>Wait<\/b> till all the servers (or at least the DB writer server(s)) have the same <\/span>Last Delivered<\/span><\/i> transaction number, matching the highest <\/span>Last Proposed<\/span><\/i> number.<\/span><\/li>
              2. Immediately<\/span>, stop<\/b> the Zoom server services on all the machines ZS1, ZS2 & ZS3.<\/span><\/li>
              3. Stop<\/b> the HADR file-server services on all the machines ZS1, ZS2 & ZS3.<\/span><\/li>
              4. Again, <\/span>restart<\/b> with checkpointing, each Zoom server service. <\/span>Wait<\/b> for checkpointing to complete and then immediately <\/span>stop<\/b> the service.<\/span><\/li>
              5. Stop<\/b> the preview-server service (and curator-server service, if enabled) on the ZPS1 & ZPS2 machine(s).<\/span><\/li>
              6. Copy<\/b> or <\/span>backup<\/b> the conf folder on each Zoom server & Preview server<\/span><\/li>
              7. Move<\/b> or <\/span>backup<\/b> the db folder out of the installation directory in each zoom server.<\/span><\/li><\/ol>\n\n\n\n

                If db folder is not located in the installation directory, you do not need to back up the db<\/span><\/p>\n\n\n\n

                1. Move or back up<\/strong> the preview cache folder out of the Zoom installation directory on the ZPS machines.
                  1. Preview cache location is given in the <previewCacheLocation> field in the conf\/preview-server.xml file.<\/li>
                  2. Skip this step if the preview cache folder is not located in the installation directory. <\/li><\/ol><\/li>
                  3. Uninstall<\/strong> the Zoom installation on all the server & preview-server machines (ZS1, ZS2, ZS3; ZPS1, ZPS2) :
                    1. On Windows: From the Control Panel > Programs > Uninstall<\/strong> the Evolphin Zoom program, or uninstall using the old cached installer.<\/li>
                    2. On Linux: Delete<\/strong> the ZOOM_INSTALL_DIR folder. <\/li><\/ol><\/li>
                    3. Install<\/strong> the new Evolphin Zoom version
                      1. On Windows: Install<\/strong> using the Setup file. Stop all the Zoom services after the installation completes.<\/span><\/li>
                      2. On Linux: <\/span>Unzip<\/b> the zoom-unix64.tar.bz2 setup file.<\/span> <\/li><\/ol><\/li>
                      3. Copy<\/b> the new conf folder in any one server to a new backup.<\/span>
                        1. This is useful in comparing and adding any new files, properties, or changes required for the new Zoom version into the existing conf.<\/span> <\/li><\/ol><\/li>
                        2. On each Zoom server, <\/span>copy<\/b> all files\/folders from the earlier backup conf\/ and replace them in the new [ZOOM_INSTALL_DIR]\/conf\/<\/span><\/li>
                        3. On each Preview server, <\/span>copy<\/b> all files\/folders from the earlier backup conf\/ and replace them in the new [ZOOM_INSTALL_DIR]\/conf\/<\/span><\/li>
                        4. On each Zoom server, <\/span>if<\/b> it had been moved out of the installation directory in step 7, <\/span>move<\/b> the DB folder back to its original location.<\/span><\/li>
                        5. Start<\/b> the Zoom & HADR service on ZS1, ZS2 & ZS3<\/span><\/li>
                        6. Start<\/b> the Preview service (and Curator service, if enabled) on ZPS1 & ZPS2 machines.<\/span><\/li><\/ol>\n","protected":false},"excerpt":{"rendered":"

                          Prerequisites Zoom should be installed with the HADR module in (I) configuration, i.e. Independent DB locations, not shared, at each Zoom server. Assuming e.g.\u00a0ZS1, ZS2 & ZS3 = Three servers with independent DBs (I mode) Preview server(s) installed on separate machines (Assuming e.g. ZPS1 & ZPS2) Steps For each Zoom Server: Restart the Zoom Server […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[8],"tags":[21],"class_list":["post-6321","post","type-post","status-publish","format-standard","hentry","category-server-installation","tag-zoom-5"],"yoast_head":"\nUpgrading Zoom Servers with HADR (Independent Databases) - Evolphin Documentation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/evolphin.com\/help\/deployment\/server-installation\/upgrading-zoom-servers-with-hadr-independent-databases\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Upgrading Zoom Servers with HADR (Independent Databases) - Evolphin Documentation\" \/>\n<meta property=\"og:description\" content=\"Prerequisites Zoom should be installed with the HADR module in (I) configuration, i.e. Independent DB locations, not shared, at each Zoom server. 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