{"id":4035,"date":"2018-01-16T17:14:46","date_gmt":"2018-01-16T15:14:46","guid":{"rendered":"http:\/\/www.solti.ua\/?p=4035"},"modified":"2018-01-17T15:50:37","modified_gmt":"2018-01-17T13:50:37","slug":"creation-of-a-high-availability-server-cluster-for-the-communal-enterprise-kharkivvodokanal","status":"publish","type":"post","link":"https:\/\/www.solti.ua\/en\/creation-of-a-high-availability-server-cluster-for-the-communal-enterprise-kharkivvodokanal\/","title":{"rendered":"Creation of a high-availability server cluster for the Communal Enterprise &#8220;Kharkivvodokanal&#8221;"},"content":{"rendered":"<div class=\"wpb-content-wrapper\"><p>[vc_row equal_height=&#8221;yes&#8221; content_placement=&#8221;middle&#8221; bg_type=&#8221;bg_color&#8221; seperator_enable=&#8221;seperator_enable_value&#8221; seperator_type=&#8221;xlarge_triangle_seperator&#8221; seperator_position=&#8221;bottom_seperator&#8221; seperator_svg_height=&#8221;30&#8243; bg_color_value=&#8221;#f5f5f5&#8243; css=&#8221;.vc_custom_1507625573876{padding-bottom: 20px !important;}&#8221;][vc_column width=&#8221;1\/4&#8243;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-93c1baff6678e689ce816cbed00d85ce.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-93c1baff6678e689ce816cbed00d85ce.enable-bg-rollover .rollover-video i {\n  background: ;\n  background: -webkit-linear-gradient();\n  background: linear-gradient();\n}\n.shortcode-single-image-wrap.shortcode-single-image-93c1baff6678e689ce816cbed00d85ce .rollover-icon {\n  font-size: 32px;\n  color: #ffffff;\n  min-width: 44px;\n  min-height: 44px;\n  line-height: 44px;\n  border-radius: 100px;\n  border-style: solid;\n  border-width: 0px;\n}\n.dt-icon-bg-on.shortcode-single-image-wrap.shortcode-single-image-93c1baff6678e689ce816cbed00d85ce .rollover-icon {\n  background: rgba(255,255,255,0.3);\n  -webkit-box-shadow: none;\n  box-shadow: none;\n}\n<\/style><div class=\"shortcode-single-image-wrap shortcode-single-image-93c1baff6678e689ce816cbed00d85ce alignnone  vc_custom_1513774935735 enable-bg-rollover dt-icon-bg-off\" ><div class=\"shortcode-single-image\"><div class=\"fancy-media-wrap  layzr-bg\" style=\"\"><img decoding=\"async\" class=\"preload-me lazy-load aspect\" src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20165%20165&#39;%2F%3E\" data-src=\"https:\/\/www.solti.ua\/wp-content\/uploads\/kharkivvodokanal-logo-165x165.png\" data-srcset=\"https:\/\/www.solti.ua\/wp-content\/uploads\/kharkivvodokanal-logo-165x165.png 165w, https:\/\/www.solti.ua\/wp-content\/uploads\/kharkivvodokanal-logo.png 300w\" loading=\"eager\" sizes=\"(max-width: 165px) 100vw, 165px\" width=\"165\" height=\"165\"  data-dt-location=\"https:\/\/www.solti.ua\/en\/sozdaniye-servernogo-klastera-vysokoy-dostupnosti-dlya-kp-kharkovvodokanal\/kharkivvodokanal-logo\/\" style=\"--ratio: 165 \/ 165;\" alt=\"\u041a\u041f \u00ab\u0425\u0430\u0440\u044c\u043a\u043e\u0432\u0432\u043e\u0434\u043e\u043a\u0430\u043d\u0430\u043b\u00bb\" \/><\/div><\/div><\/div>[\/vc_column][vc_column width=&#8221;3\/4&#8243;]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>ABOUT THE CUSTOMER<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1516116724787{margin-top: 20px !important;}&#8221;]The municipal enterprise &#8220;Kharkovvodokanal&#8221; is a technological complex of water supply and sewerage facilities and networks that provides the needs of the residents of Kharkov and the Kharkov region.[\/vc_column_text][\/vc_column][\/vc_row][vc_row seperator_enable=&#8221;seperator_enable_value&#8221; seperator_type=&#8221;xlarge_triangle_right_seperator&#8221; seperator_position=&#8221;bottom_seperator&#8221; seperator_svg_height=&#8221;20&#8243; css=&#8221;.vc_custom_1507631428570{margin-bottom: 15px !important;}&#8221;][vc_column]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>FORMULATION OF THE TASK<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1516176695072{padding-top: 20px !important;}&#8221;]Economic problems that are solved significantly increased the burden on the existing IT infrastructure of the enterprise.<\/p>\n<p>The customer was tasked with increasing the performance of existing resources, resulting in engineering, construction and configuration of a failover cluster of virtual servers to work with databases containing large economic data of enterprise structural units :<\/p>\n<ul>\n<li>accounting of commodities;<\/li>\n<li>accounting of salary;<\/li>\n<li>accounting of financial activities;<\/li>\n<li>selection of data and construction of reports on payments from settlement tasks &#8220;legal entities&#8221;, &#8220;individuals&#8221;;<\/li>\n<li>accounting of contracts;<\/li>\n<li>data from the human resources department.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row bg_type=&#8221;bg_color&#8221; css=&#8221;.vc_custom_1507625609810{margin-bottom: 15px !important;}&#8221; bg_color_value=&#8221;#f5f5f5&#8243;][vc_column]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>ABOUT THE PROJECT<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1516179348990{padding-top: 20px !important;}&#8221;]<\/p>\n<p>It was decided to build a cluster of high availability on the basis of two productive HP DL360 servers with the assignment of a database storage role to it to meet existing needs.<\/p>\n<p>The server cluster looks to the user as a single logical server and is managed as a single logical system. It groups the systems differing in physical characteristics, which increases the resistance to failures and improves performance. Users of the server cluster do not even guess that their requests can be performed by different servers at different times.<\/p>\n<p>Server clustering helps to avoid downtime when a hardware or server software failure occurs. If the instance of SQL Server is configured as a failover cluster, the high availability of such an instance of SQL Server is protected by the presence of redundant nodes. Only one of the nodes in the FCI belongs to the WSFC resource group at the same time.<\/p>\n<p>In the event of hardware failure, operating system failure, applications or services, or when a scheduled update is performed, the group of resources is transferred to another node in the failover cluster. This process is invisible to the client or application that connects to SQL Server, and minimizes the wait time for the application or client during the crash.[\/vc_column_text][\/vc_column][\/vc_row][vc_row css=&#8221;.vc_custom_1513774237458{margin-bottom: 15px !important;}&#8221;][vc_column]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>Completed work<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1516179767581{padding-top: 20px !important;}&#8221;]<\/p>\n<ul>\n<li>A network is configured: all network interfaces are integrated and a single logical adapter (Teaming) is created, channel aggregation is performed.<\/li>\n<li>A shared storage is configured.<\/li>\n<li>Two servers running Windows Server 2012 R2 have been added to the domain.<\/li>\n<li>The role of &#8220;Failover Clustering&#8221; has been established.<\/li>\n<li>MS SQL Server 2016 software is installed and configured.<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][\/vc_row][vc_row bg_type=&#8221;bg_color&#8221; css=&#8221;.vc_custom_1513774380496{margin-bottom: 15px !important;}&#8221; bg_color_value=&#8221;#f5f5f5&#8243;][vc_column]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>RESULT OF PROJECT IMPLEMENTATION<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_column_text css=&#8221;.vc_custom_1516179868010{padding-top: 20px !important;}&#8221;]A database store has been created in the form of a fault-tolerant MS SQL cluster that provides real-time database mirroring.<\/p>\n<p>The created cluster not only increases the availability of information, but also provides load balancing, redundancy and fault tolerance.<\/p>\n<p>&nbsp;<\/p>\n<p>In addition, the system of guaranteed power supply based on APC SYMMETRA LX was upgraded.[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column]<div class=\"dt-fancy-separator title-left h3-size accent-border-color\" style=\"width: 100%;\"><div class=\"dt-fancy-title\"><span class=\"separator-holder separator-left\"><\/span>SOLTI CERTIFICATES<span class=\"separator-holder separator-right\"><\/span><\/div><\/div>[vc_row_inner css=&#8221;.vc_custom_1507631376861{margin-top: 10px !important;}&#8221;][vc_column_inner width=&#8221;1\/3&#8243; css=&#8221;.vc_custom_1505211674987{margin-top: 20px !important;}&#8221;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-6635bdd65be2c03e809adf796e70a78d.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-6635bdd65be2c03e809adf796e70a78d.enable-bg-rollover .rollover-video i {\n  background: ;\n  background: 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src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20141%20100&#39;%2F%3E\" data-src=\"https:\/\/www.solti.ua\/wp-content\/uploads\/2017\/09\/Microsoft-Certified-Technology-Specialist.png\" data-srcset=\"https:\/\/www.solti.ua\/wp-content\/uploads\/2017\/09\/Microsoft-Certified-Technology-Specialist.png 141w\" loading=\"eager\" sizes=\"(max-width: 141px) 100vw, 141px\" width=\"141\" height=\"100\"  data-dt-location=\"https:\/\/www.solti.ua\/en\/about_us\/certificates\/microsoft-certified-technology-specialist\/\" style=\"--ratio: 141 \/ 100;\" alt=\"Microsoft Certified Technology Specialist\" \/><\/div><\/div><\/div><div id=\"ultimate-heading-60856a8b91d0ae2f1\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-60856a8b91d0ae2f1 uvc-448  uvc-heading-default-font-sizes\" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-60856a8b91d0ae2f1 h6'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h6 style=\"font-weight:bold;margin-top:15px;margin-bottom:30px;\">Microsoft Certified Technology Specialist (MCTS): Volume Licensing Specialist, Small and Medium Organizations<\/h6><\/div><\/div>[\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243; css=&#8221;.vc_custom_1513775044790{margin-top: 20px !important;}&#8221;]<style type=\"text\/css\" data-type=\"the7_shortcodes-inline-css\">.shortcode-single-image-wrap.shortcode-single-image-a1ff8d8289594bedbacbaec1a4494448.enable-bg-rollover .rollover i,\n.shortcode-single-image-wrap.shortcode-single-image-a1ff8d8289594bedbacbaec1a4494448.enable-bg-rollover .rollover-video i {\n  background: ;\n  background: -webkit-linear-gradient();\n  background: 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src=\"data:image\/svg+xml,%3Csvg%20xmlns%3D&#39;http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg&#39;%20viewBox%3D&#39;0%200%20176%20100&#39;%2F%3E\" data-src=\"https:\/\/www.solti.ua\/wp-content\/uploads\/2017\/09\/Microsoft-Certified-IT-Professional.png\" data-srcset=\"https:\/\/www.solti.ua\/wp-content\/uploads\/2017\/09\/Microsoft-Certified-IT-Professional.png 176w\" loading=\"eager\" sizes=\"(max-width: 176px) 100vw, 176px\" width=\"176\" height=\"100\"  data-dt-location=\"https:\/\/www.solti.ua\/en\/about_us\/certificates\/microsoft-certified-it-professional\/\" style=\"--ratio: 176 \/ 100;\" alt=\"Microsoft Certified IT Professional\" \/><\/div><\/div><\/div><div id=\"ultimate-heading-84916a8b91d0ae989\" class=\"uvc-heading ult-adjust-bottom-margin ultimate-heading-84916a8b91d0ae989 uvc-4572  uvc-heading-default-font-sizes\" data-hspacer=\"no_spacer\"  data-halign=\"center\" style=\"text-align:center\"><div class=\"uvc-heading-spacer no_spacer\" style=\"top\"><\/div><div class=\"uvc-main-heading ult-responsive\"  data-ultimate-target='.uvc-heading.ultimate-heading-84916a8b91d0ae989 h6'  data-responsive-json-new='{\"font-size\":\"\",\"line-height\":\"\"}' ><h6 style=\"font-weight:bold;margin-top:15px;margin-bottom:30px;\">Microsoft Certified IT Professional (MCITP)<\/h6><\/div><\/div>[\/vc_column_inner][\/vc_row_inner][vc_column_text]<\/p>\n<p style=\"text-align: center;\"><a class=\"details more-link\" href=\"https:\/\/www.solti.ua\/en\/about-us\/certificates\/\" rel=\"nofollow\">Details<\/a><\/p>\n<p>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>A database store has been created in the form of a fail-safe MS SQL cluster that provides real-time mirroring of databases, and a power system has been modernized.<\/p>\n","protected":false},"author":1,"featured_media":3306,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[80,57],"tags":[],"yst_prominent_words":[],"class_list":["post-4035","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-projects-en-3","category-projects-en","category-80","category-57","description-off"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v14.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Creation of a high-availability server cluster for the Communal Enterprise &quot;Kharkivvodokanal&quot; - SOLTI LLC - IT solutions, technologies, integration<\/title>\n<meta name=\"description\" content=\"A project for building and configuring a failover cluster of virtual machines for the Communal Enterprise &quot;Kharkivvodokanal&quot;\" \/>\n<meta name=\"robots\" content=\"index, follow\" 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