{"id":6,"date":"2018-08-07T14:23:00","date_gmt":"2018-08-07T14:23:00","guid":{"rendered":"https:\/\/medschool.prd.vanderbilt.edu\/dors\/hardware\/"},"modified":"2018-08-07T18:26:42","modified_gmt":"2018-08-07T18:26:42","slug":"hardware","status":"publish","type":"page","link":"https:\/\/medschool.vanderbilt.edu\/dors\/hardware\/","title":{"rendered":"Hardware"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-29\" src=\"https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-storage2-cropped2.jpg\" alt=\"\" width=\"960\" height=\"165\" srcset=\"https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-storage2-cropped2.jpg 960w, https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-storage2-cropped2-300x52.jpg 300w, https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-storage2-cropped2-768x132.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/p>\n<h2>Storage System<\/h2>\n<p>The DORS primary disk consists of a DataDirect Networks (DDN) SFA-12K40 storage system, located in the Hill Data Center.\u00a0 Highlights include:\u200b<\/p>\n<ul>\n<li>Dual storage controllers with active-active failover eliminates downtime during routine maintenance\u200b<\/li>\n<li>Filesystem metadata is stored on Solid-State Disk (SSD), minimizing latency while browsing files\u200b<\/li>\n<li>427 terabytes of usable capacity in 350 disk drives\u200b<\/li>\n<li>490 empty disk drive slots, enabling low-cost expansion\u200b<\/li>\n<li>80x 6Gbps SAN fabric connections and a QDR Infiniband network provide up to 40 Gigabytes per second of throughput to clients\u200b<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-27\" src=\"https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-backup2-cropped2.jpg\" alt=\"\" width=\"960\" height=\"165\" srcset=\"https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-backup2-cropped2.jpg 960w, https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-backup2-cropped2-300x52.jpg 300w, https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-backup2-cropped2-768x132.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/p>\n<h2>Tape Backup System<\/h2>\n<p>The DORS backup system consists of an IBM tape library with the Advanced Library Management System and Tivoli Storage Manager (TSM) software.\u00a0 This system is located in the VUH datacenter, providing additional data security in case of building\/infrastructure failure in the Hill Data Center (and vice-versa). Key capabilities:\u200b\u200b<\/p>\n<ul>\n<li>Logical partitioning enables multiple tape services to simultaneously share the robotics\u200b<\/li>\n<li>6x LTO-6 tape drives (2.5TB capacity per cartridge)\u200b<\/li>\n<li>&gt;2300 slots for up to ~6 petabytes of shared capacity\u200b<\/li>\n<li>16Gbps Fibre Channel fabric for maximum throughput\u200b<\/li>\n<li>20TB disk cache minimizes nightly backup window\u200b<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-28\" src=\"https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-connectivity-cropped2.jpg\" alt=\"\" width=\"960\" height=\"165\" srcset=\"https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-connectivity-cropped2.jpg 960w, https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-connectivity-cropped2-300x52.jpg 300w, https:\/\/cdn.vanderbilt.edu\/t2-main\/medschool-prd\/wp-content\/uploads\/sites\/23\/2018\/08\/dors-connectivity-cropped2-768x132.jpg 768w\" sizes=\"auto, (max-width: 960px) 100vw, 960px\" \/><\/p>\n<h2>\u200bAccess and Connectivity<\/h2>\n<p>DORS runs on IBM\u2019s General Parallel Filesystem (GPFS), providing high-performance, parallelized throughput to ACCRE via native GPFS connections to all gateways and compute nodes.\u00a0 Access to systems outside of ACCRE is supported by Clustered NFS (CNFS) and Windows file sharing (CIFS).\u00a0 GPFS, CNFS, and CIFS are all configured with multiple redundant servers, providing automated transparent failover in case one server requires maintenance, or for carrying out rolling upgrades of system software with no downtime.\u00a0 Network connectivity consists of multiple redundant 10Gbps Ethernet links from every DORS server to ACCRE (40Gbps total), main campus (20Gbps total), and VUMC (20Gbps total).\u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Storage System The DORS primary disk consists of a DataDirect Networks (DDN) SFA-12K40 storage system, located in the Hill Data Center.\u00a0 Highlights include:\u200b Dual storage controllers with active-active failover eliminates downtime during routine maintenance\u200b Filesystem metadata is stored on Solid-State Disk (SSD), minimizing latency while browsing files\u200b 427 terabytes of usable capacity in 350 disk&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"tags":[],"class_list":["post-6","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/pages\/6","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/comments?post=6"}],"version-history":[{"count":1,"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/pages\/6\/revisions"}],"predecessor-version":[{"id":30,"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/pages\/6\/revisions\/30"}],"wp:attachment":[{"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/media?parent=6"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medschool.vanderbilt.edu\/dors\/wp-json\/wp\/v2\/tags?post=6"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}