{"id":329,"date":"2021-02-04T19:56:20","date_gmt":"2021-02-04T19:56:20","guid":{"rendered":"https:\/\/ni.cmu.edu\/computing\/?post_type=ht_kb&#038;p=329"},"modified":"2021-02-04T20:05:08","modified_gmt":"2021-02-04T20:05:08","slug":"raptor-file-server-description","status":"publish","type":"ht_kb","link":"https:\/\/ni.cmu.edu\/computing\/knowledge-base\/raptor-file-server-description\/","title":{"rendered":"Raptor File Server Description"},"content":{"rendered":"<p>The server is a Dell PowerEdge R740XD and is configured with one Intel Xeon Silver 4214 2.2G processor and 72GB RAM. It is running Ubuntu 20.04 LTS operating system. There is a SAS 12Gbps HBA External Controller that is used to attach to a JBOD-S43 Single Expander.\u00a0 Twenty-four slots of the 43 bays are filled with 8.0TB SAS 3.0 12.0Gb\/s 7200RPM &#8211; 3.5&#8243; &#8211; Ultrastar DC HC320 (512e) ( Enterprise Level) hard drives.<\/p>\n<p>Using <a href=\"https:\/\/en.wikipedia.org\/wiki\/ZFS\">ZFS<\/a>, the drives in JBOD are configured as two 11 disk raidz2 (fault tolerance of 2 drives) sets stripped together as one volume with two hot spares.\u00a0 The majority of this volume is used for the users&#8217; home directories.\u00a0 A small portion of the space is used for data that is exported to our web servers using NFS.\u00a0 This enables our labs and users to easily present online content.<\/p>\n<p>In addition to the RAID redundancy, ZFS is configured to take hourly, daily, weekly, monthly and yearly snapshots.\u00a0 We also have a backup server that is configured to replicate the Raptor&#8217;s ZFS volume for protection against possible catastrophic loss.<\/p>\n<p>Raptor File Server is located in the machine room in Mellon Institute.<\/p>\n<p>We support connecting to the server through ssh\/sftp and SMB\/CIFS protocol.\u00a0 Connections using SMB\/CIFS protocol is limited to machines on the Carnegie Mellon University network.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The server is a Dell PowerEdge R740XD and is configured with one Intel Xeon Silver 4214 2.2G processor and 72GB RAM. It is running Ubuntu 20.04 LTS operating system. There is a SAS 12Gbps HBA External Controller that is used to attach to a JBOD-S43 Single Expander.\u00a0 Twenty-four slots of&#8230;<\/p>\n","protected":false},"author":1,"comment_status":"closed","ping_status":"closed","template":"","format":"standard","meta":{"footnotes":""},"ht-kb-category":[13],"ht-kb-tag":[],"class_list":["post-329","ht_kb","type-ht_kb","status-publish","format-standard","hentry","ht_kb_category-raptor-file-server"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/ht-kb\/329","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/ht-kb"}],"about":[{"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/types\/ht_kb"}],"author":[{"embeddable":true,"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/comments?post=329"}],"version-history":[{"count":6,"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/ht-kb\/329\/revisions"}],"predecessor-version":[{"id":335,"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/ht-kb\/329\/revisions\/335"}],"wp:attachment":[{"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/media?parent=329"}],"wp:term":[{"taxonomy":"ht_kb_category","embeddable":true,"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/ht-kb-category?post=329"},{"taxonomy":"ht_kb_tag","embeddable":true,"href":"https:\/\/ni.cmu.edu\/computing\/wp-json\/wp\/v2\/ht-kb-tag?post=329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}