{"id":422,"date":"2006-10-27T17:00:00","date_gmt":"2006-10-27T17:00:00","guid":{"rendered":"http:\/\/markwilson.me.uk\/blog\/2006\/10\/notes-on-server-hardware-developments.htm"},"modified":"2007-03-09T10:21:47","modified_gmt":"2007-03-09T10:21:47","slug":"notes-on-server-hardware-developments","status":"publish","type":"post","link":"https:\/\/www.markwilson.co.uk\/blog\/2006\/10\/notes-on-server-hardware-developments.htm","title":{"rendered":"Notes on server hardware developments"},"content":{"rendered":"<p><!--116345731813779550-->I&#8217;ve just spent the day with <a href=\"http:\/\/www.hp.com\/uk\/\">HP<\/a>, learning about their StorageWorks EVA SANs and the current ProLiant server roadmap.  It was an interesting day, but most of what was discussed can be found on the HP website; however I did pick up some snippets of information that might be useful:<\/p>\n<ul>\n<li>Firstly, when comparing Intel and AMD figures for the power consumption of their servers &#8211; if Intel quote the wattage, they quote the mean value, whereas AMD quote a peak figure &#8211; so it&#8217;s heard to draw accurate comparisons.<\/li>\n<li>Secondly, as I reported when I wrote about <a href=\"https:\/\/www.markwilson.co.uk\/blog\/2006\/09\/slicing-server-tco-with-hp-proliant.htm\">HP blade servers<\/a> a few weeks back, <a href=\"http:\/\/h18000.www1.hp.com\/products\/quickspecs\/11531_div\/11531_div.html\">3.5&#8243; Ultra320 SCSI disks<\/a> are being discontinued in favour of <a href=\"http:\/\/h18004.www1.hp.com\/products\/quickspecs\/12244_div\/12244_div.html\">2.5&#8243; serial-attached SCSI (SAS) disks<\/a>.  The main difference (apart from the smaller form factor) is that <a href=\"http:\/\/en.wikipedia.org\/wiki\/Serial_Attached_SCSI\">SAS<\/a> disks are switched between lanes (cf. a shared bus with Ultra320), increasing performance in a linear manner with each disk connected to a controller (whereas a shared SCSI channel will typically exhibit a bell-curve in its performance characteristics).  Also, the smaller physical size of the disk means that a 10,000RPM 2.5&#8243; disk will provide  more-or-less equivalent performance to an similarly specified 15,000RPM 3.5&#8243; disk and that less energy is required to spin it, meaning a lower power consumption (and less heat generated).<\/li>\n<li>One of the other changes in the server lineup is a general move from <a href=\"http:\/\/en.wikipedia.org\/wiki\/PCI-X\">PCI-X<\/a> to <a href=\"http:\/\/en.wikipedia.org\/wiki\/PCI-Express\">PCI Express<\/a> (PCIe) slots offering improved performance (many servers allow a combination of the two to be specified).<\/li>\n<li>Finally, the new <a href=\"http:\/\/h18013.www1.hp.com\/products\/quickspecs\/12362_div\/12362_div.html\">iLO2 management processors<\/a> (as well as iLO with firmware v1.82 or later) now support schema-less AD integration and iLO2 has a much-improved remote console, with most of the Java code removed, increasing performance drastically.<\/li>\n<\/ul>\n<p>There&#8217;s no real &#8220;story&#8221; to any of the above &#8211; they are just a jumble of notes that might be useful in understanding where HP (and other vendors) are heading in the industry standard x86\/x64 server space.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>I&#8217;ve just spent the day with HP, learning about their StorageWorks EVA SANs and the current ProLiant server roadmap. It was an interesting day, but most of what was discussed can be found on the HP website; however I did pick up some snippets of information that might be useful: Firstly, when comparing Intel and &hellip; <a href=\"https:\/\/www.markwilson.co.uk\/blog\/2006\/10\/notes-on-server-hardware-developments.htm\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Notes on server hardware developments<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[60],"class_list":["post-422","post","type-post","status-publish","format-standard","hentry","tag-server-hardware"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Notes on server hardware developments - markwilson.it<\/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:\/\/www.markwilson.co.uk\/blog\/2006\/10\/notes-on-server-hardware-developments.htm\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Notes on server hardware developments - markwilson.it\" \/>\n<meta property=\"og:description\" content=\"I&#8217;ve just spent the day with HP, learning about their StorageWorks EVA SANs and the current ProLiant server roadmap. It was an interesting day, but most of what was discussed can be found on the HP website; however I did pick up some snippets of information that might be useful: Firstly, when comparing Intel and &hellip; Continue reading Notes on server hardware developments\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.markwilson.co.uk\/blog\/2006\/10\/notes-on-server-hardware-developments.htm\" \/>\n<meta property=\"og:site_name\" content=\"markwilson.it\" \/>\n<meta property=\"article:published_time\" content=\"2006-10-27T17:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2007-03-09T10:21:47+00:00\" \/>\n<meta name=\"author\" content=\"Mark Wilson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@markwilsonit\" \/>\n<meta name=\"twitter:site\" content=\"@markwilsonit\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Mark Wilson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm\"},\"author\":{\"name\":\"Mark Wilson\",\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/#\\\/schema\\\/person\\\/98f61365e7c39d6be942174b8c4de468\"},\"headline\":\"Notes on server hardware developments\",\"datePublished\":\"2006-10-27T17:00:00+00:00\",\"dateModified\":\"2007-03-09T10:21:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm\"},\"wordCount\":326,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/#\\\/schema\\\/person\\\/98f61365e7c39d6be942174b8c4de468\"},\"keywords\":[\"Server Hardware\"],\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm\",\"url\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm\",\"name\":\"Notes on server hardware developments - markwilson.it\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/#website\"},\"datePublished\":\"2006-10-27T17:00:00+00:00\",\"dateModified\":\"2007-03-09T10:21:47+00:00\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm#breadcrumb\"},\"inLanguage\":\"en-GB\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/2006\\\/10\\\/notes-on-server-hardware-developments.htm#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Notes on server hardware developments\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/#website\",\"url\":\"https:\\\/\\\/www.markwilson.co.uk\\\/blog\\\/\",\"name\":\"markwilson.it\",\"description\":\"get-info -class technology | write-output &gt; 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The basic principles have been the same for\u2026","rel":"","context":"In \"Server Hardware\"","block_context":{"text":"Server Hardware","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/server-hardware"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":621,"url":"https:\/\/www.markwilson.co.uk\/blog\/2006\/09\/tale-of-two-cpu-architectures.htm","url_meta":{"origin":422,"position":1},"title":"A tale of two CPU architectures","author":"Mark Wilson","date":"Wednesday 6 September 2006","format":false,"excerpt":"Last week I wrote about the VMware infrastructure that I'm trying to put in place. I mentioned that my testing has been based on HP ProLiant DL585 servers - each of these is equipped with four dual-core AMD Opteron 8xx CPUs and a stack of memory. Half of the initial\u2026","rel":"","context":"In \"Server Hardware\"","block_context":{"text":"Server Hardware","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/server-hardware"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":435,"url":"https:\/\/www.markwilson.co.uk\/blog\/2006\/11\/sun-fire-x64-servers-maybe-worth-look.htm","url_meta":{"origin":422,"position":2},"title":"Sun Fire x64 servers&#8230; maybe worth a look?","author":"Mark Wilson","date":"Thursday 2 November 2006","format":false,"excerpt":"Sun Microsystems would like me to use their x64 servers for my virtualisation platform (instead of the HP ProLiant DL585s that I'm currently using). Many of our conversations have been covered by a non-disclosure agreement so I can't write much here, but the details of the current Sun Fire and\u2026","rel":"","context":"In \"Server Hardware\"","block_context":{"text":"Server Hardware","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/server-hardware"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":710,"url":"https:\/\/www.markwilson.co.uk\/blog\/2006\/11\/vmware-esx-server-and-hp-msa1500.htm","url_meta":{"origin":422,"position":3},"title":"VMware ESX Server and HP MSA1500 &#8211; Active\/Active or Active\/Passive?","author":"Mark Wilson","date":"Thursday 30 November 2006","format":false,"excerpt":"Recently, I've been working on a design for a virtual infrastructure, based on VMware Virtual Infrastructure 3 with HP ProLiant servers and a small SAN - an HP MSA1500cs with MSA30 (Ultra320 SCSI) and MSA20 (SATA) disk shelves. The MSA is intended as a stopgap solution until we have an\u2026","rel":"","context":"In \"Storage\"","block_context":{"text":"Storage","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/storage"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":371,"url":"https:\/\/www.markwilson.co.uk\/blog\/2006\/09\/slicing-server-tco-with-hp-proliant.htm","url_meta":{"origin":422,"position":4},"title":"Slicing server TCO with HP ProLiant server blades","author":"Mark Wilson","date":"Friday 22 September 2006","format":false,"excerpt":"Over the last few years, I've heard a lot about blade servers - mostly anecdotal - and mostly commenting that they produce a lot of heat so for all the rack space saved through their use, a lot of empty space needs to be left in datacentres that weren't designed\u2026","rel":"","context":"In \"Server Hardware\"","block_context":{"text":"Server Hardware","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/server-hardware"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":227,"url":"https:\/\/www.markwilson.co.uk\/blog\/2005\/10\/microsoft-virtualisation-futures.htm","url_meta":{"origin":422,"position":5},"title":"Microsoft virtualisation futures","author":"Mark Wilson","date":"Wednesday 19 October 2005","format":false,"excerpt":"Last week, John Howard presented a Microsoft TechNet UK event about virtualisation. I've blogged about Virtual Server before and there is a good overview white paper on the Microsoft website. What I found particularly interesting was the insight which John gave into where virtualisation technology is heading (at least in\u2026","rel":"","context":"In \"Microsoft Virtual Server\/Hyper-V\"","block_context":{"text":"Microsoft Virtual Server\/Hyper-V","link":"https:\/\/www.markwilson.co.uk\/blog\/tag\/hyper-v"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts\/422","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/comments?post=422"}],"version-history":[{"count":0,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/posts\/422\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/media?parent=422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/categories?post=422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.markwilson.co.uk\/blog\/wp-json\/wp\/v2\/tags?post=422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}