{"id":33491,"date":"2019-10-31T21:52:52","date_gmt":"2019-10-31T18:52:52","guid":{"rendered":"https:\/\/prohoster.info\/blog\/rossijskaya-shd-aerodisk-nagruzochnoe-testirovanie-vyzhimaem-iops-y\/"},"modified":"2019-10-31T21:52:52","modified_gmt":"2019-10-31T18:52:52","slug":"rossijskaya-shd-aerodisk-nagruzochnoe-testirovanie-vyzhimaem-iops-y","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/administrirovanie\/rossijskaya-shd-aerodisk-nagruzochnoe-testirovanie-vyzhimaem-iops-y","title":{"rendered":"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/c18b0a93e4cd676317b37b1cd196ca59.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Hej alle sammen! Som lovet publicerer vi resultaterne af belastningstesten af det russiskfremstillede datalagringssystem \u2013 AERODISK ENGINE N2.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><\/p>\n<p>I den tidligere artikel udf\u00f8rte vi crash-tests af storage-systemet, og resultaterne var positive (det vil sige, vi kunne ikke bryde systemet). Resultaterne af crash-testen kan ses <noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/aerodisk\/blog\/447070\/\">HER<\/a><\/noindex>.<\/p>\n<p><\/p>\n<p>I kommentarerne til den forrige artikel kom der \u00f8nsker om mere avancerede crash-tests. Vi har noteret os dem og vil helt sikkert implementere dem i en af de kommende artikler. Du kan desuden bes\u00f8ge vores laboratorium i Moskva n\u00e5r som helst (kom personligt eller g\u00f8r det online) og udf\u00f8re testene selv (det er ogs\u00e5 muligt at teste under et specifikt projekt :-)). Skriv til os, s\u00e5 ser vi p\u00e5 alle scenarier! <\/p>\n<p><\/p>\n<p>Derudover, hvis du ikke er i Moskva, kan du ogs\u00e5 l\u00e6re vores lagringssystem bedre at kende ved at deltage i et gratis tr\u00e6ningsarrangement i et kompetencecenter n\u00e6r dig.<\/p>\n<p><\/p>\n<p>Nedenfor finder du en liste over kommende arrangementer og datoer for kompetencecentrene.<\/p>\n<p><\/p>\n<ul>\n<li>Jekaterinburg. 16. maj 2019. Uddannelsesseminar. Du kan registrere dig via linket: <noindex><a rel=\"nofollow\" href=\"https:\/\/aerodisk.promo\/ekb\/\">https:\/\/aerodisk.promo\/ekb\/ <\/a><\/noindex><\/li>\n<li>Jekaterinburg. 20. maj \u2013 21. juni 2019. Kompetencecenter. Kom forbi n\u00e5r som helst i arbejdstiden for en live demonstration af AERODISK ENGINE N2. Den pr\u00e6cise adresse og registreringslink vil blive offentliggjort senere. Hold \u00f8je med vores nyheder.<\/li>\n<li>Novosibirsk. HOLD \u00d8JE MED INFORMATIONER P\u00c5 VORES HJEMMESIDE eller p\u00e5 \u0425\u0410\u0411\u0420.<br \/>\noktober 2019<\/li>\n<li>Kazan. HOLD \u00d8JE MED INFORMATIONER P\u00c5 VORES HJEMMESIDE eller p\u00e5 \u0425\u0410\u0411\u0420.<br \/>\noktober 2019<\/li>\n<li>Krasnojarsk. HOLD \u00d8JE MED INFORMATIONER P\u00c5 VORES HJEMMESIDE eller p\u00e5 \u0425\u0410\u0411\u0420.<br \/>\nnovember 2019<\/li>\n<\/ul>\n<p><\/p>\n<p>Vi vil ogs\u00e5 gerne dele en anden gl\u00e6delig nyhed: vores <noindex><a rel=\"nofollow\" href=\"https:\/\/www.youtube.com\/channel\/UCOnFSximR_IIBQVhAc6909g\">YouTube<\/a><\/noindex> kanal er endelig fuldt operationel, hvor man kan se videoer fra tidligere arrangementer. Her uploader vi ogs\u00e5 j\u00e6vnligt vores undervisningsvideoer.<\/p>\n<p><\/p>\n<h2 id=\"testovyy-stend\">Testb\u00e6nk<\/h2>\n<p><\/p>\n<p>S\u00e5 lad os vende tilbage til testene. Vi har opgraderet vores laboratorie storage system ENGINE N2 ved at installere ekstra SAS SSD-diske samt Fibre Channel 16G front-end adaptere. Symmetrisk har vi ogs\u00e5 opgraderet serveren, som vi vil sende belastningen fra, ved at tilf\u00f8je FC 16G adaptere.<\/p>\n<p><\/p>\n<p>Som resultat har vi i laboratoriet et 2-controller lagringssystem med 24 SAS SSD-diske p\u00e5 1,6 TB, 3 DWPD, som er tilsluttet en fysisk Linux-server via FC 16G SAN-switches.<br \/>\nSkemaet for testopstillingen ses p\u00e5 billedet nedenfor.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/3c2333896b91cc3ff3902b3899a37ada.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<h2 id=\"metodika-testirovaniya\">Testmetode<\/h2>\n<p><\/p>\n<p>For optimal performance on block access, we will use DDP (Dynamic Disk Pool), which we initially created for ALL-FLASH systems.<br \/>\nFor testing, we created two LUNs each with a capacity of 1 TB and a RAID-10 protection level. We will distribute each LUN across 12 disks (a total of 24) to fully utilize the potential of each installed disk in the storage system. <\/p>\n<p><\/p>\n<p>The LUNs are presented to the server through different controllers to maximize storage resource utilization. <\/p>\n<p><\/p>\n<p>Each test will last for one hour and will be conducted using the Flexible IO (FIO) program, with FIO data automatically exported to Excel where graphs are generated for clarity. <\/p>\n<p><\/p>\n<h3 id=\"profili-nagruzki\">Load profiles<\/h3>\n<p><\/p>\n<p>In total, we will conduct three one-hour tests, excluding the warm-up time, for which we allocate 15 minutes (this is the time required to warm up a set of 24 SSDs). These tests emulate the most common load profiles we encounter, particularly various DBMS, video surveillance systems, media content broadcasting, and backups. <\/p>\n<p><\/p>\n<p>In all tests, we have deliberately disabled caching to RAM on both the storage system and the host. This will naturally degrade the results, but we believe that under these conditions, the test will be more honest. <\/p>\n<p><\/p>\n<h2 id=\"rezultaty-testov\">Test Results<\/h2>\n<p><\/p>\n<p><strong>Test #1. Random load with small blocks.<\/strong> Emulating the operation of a high-load transactional DBMS. <\/p>\n<p><\/p>\n<ul>\n<li>Block size = 4k <\/li>\n<li>Read\/Write = 70%\/30%<\/li>\n<li>Number of operations = 16<\/li>\n<li>Queue depth = 32<\/li>\n<li>Load characteristics = Full Random<\/li>\n<\/ul>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/320420d63cb9cd9a97c685dafa9e612f.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/4c6ce3859fcdb3d597c111f117c55e7f.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>Test results:<\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/feb7948d1f43d259398fce3c82c95a3e.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>In total, with the mid-range Engine N2 system, we achieved 438k IOPS with a latency of 2.6 milliseconds. Considering the system class, we believe the result is quite commendable. To determine if this is the limit for the system, we will look at the utilization of the storage controllers' resources.<\/p>\n<p><\/p>\n<p>We are primarily interested in the CPU, as mentioned earlier, since we intentionally disabled the RAM cache to avoid skewing the test results.<\/p>\n<p><\/p>\n<p>On both storage controllers, we see a similar picture.<\/p>\n<p><\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/habrastorage.org\/webt\/st\/dr\/r2\/stdrr25vmyjtez-hc9kwlridbk0.png\"><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/79cd4e885ef7c56fc198462cd4bedaeb.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/p>\n<p><\/p>\n<p>Thus, the CPU load is 50%. This indicates that this storage system is far from its limits and can still be scaled up comfortably. To give a preview: all subsequent tests also showed controller CPU loads around 50%, so we will not repeat this.<\/p>\n<p><\/p>\n<p>If we consider random IOPS with 4k blocks, the comfortable limit of the AERODISK Engine N2 system, based on our lab tests, is around ~700,000 IOPS. If that's not enough and you need to aim for a million, we have the more advanced ENGINE N4 model. <\/p>\n<p><\/p>\n<p>So the story about millions of IOPS relates to the ENGINE N4, and if a million is too much for you, feel free to use the N2.<\/p>\n<p><\/p>\n<p>Let\u2019s return to the tests.<\/p>\n<p><\/p>\n<p><strong>Test #2. Sequential writing with large blocks.<\/strong> Emulating surveillance systems, loading data into an analytical DBMS, or writing backups.<\/p>\n<p><\/p>\n<p>In this test, we are no longer interested in IOPS, as they hold no meaning under sequential load with large blocks. What matters to us primarily are: write throughput (megabytes per second) and latencies, which, of course, will be higher for large blocks than for small ones.<\/p>\n<p><\/p>\n<ul>\n<li>Block size = 128k <\/li>\n<li>Read\/Write = 0%\/100%<\/li>\n<li>Number of operations = 16<\/li>\n<li>Queue depth = 32<\/li>\n<li>Load characteristic \u2013 Sequential<\/li>\n<\/ul>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/7e0b29ca7a48d82a7a47e7bfcf548aa3.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/ec509595a7a73f073790c68d7b81ce9c.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/5966ed7d7b949f24a31f5f56a6246571.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>In total: we have a write speed of five and a half gigabytes per second with latencies at eleven milliseconds. When comparing with the closest foreign competitors, the result is, in our opinion, excellent and is not a limit for the ENGINE N2 system.<\/p>\n<p><\/p>\n<p><strong>Test #3. Sequential reading with large blocks.<\/strong> Emulating media streaming, generating reports from an analytical DBMS, or recovering data from backups. <\/p>\n<p><\/p>\n<p>As in the previous test, we are interested in throughput and latencies.<\/p>\n<p><\/p>\n<ul>\n<li>Block size = 128k <\/li>\n<li>Read\/Write = 100%\/0%<\/li>\n<li>Number of operations = 16<\/li>\n<li>Queue depth = 32<\/li>\n<li>Load characteristic \u2013 Sequential<\/li>\n<\/ul>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/2a3ec3b4d9625799c819a06bdf26cff3.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/0301c7e8da3d88ad23a82739d10635e9.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p><img decoding=\"async\" alt=\"Russisk SAN AERODISK: Belastningstest. Maksimerer IOPS.\" src=\"\/wp-content\/uploads\/2019\/05\/a992a8cf4ec8d3368107f5c965d1d4d5.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p><\/p>\n<p>The streaming read rates are predictably slightly better than those of streaming write.<\/p>\n<p><\/p>\n<p>Interestingly, the latency measurements throughout the test are identical (straight line). This is not an error; under sequential reading with large blocks, this is a common situation for us. <\/p>\n<p><\/p>\n<p>Of course, if the system is left in this state for a couple of weeks, we will eventually see periodic spikes on the graphs associated with external factors. However, in general, they will not affect the overall picture.<\/p>\n<p><\/p>\n<h2 id=\"vyvody\">Konklusioner<\/h2>\n<p><\/p>\n<p>From the dual-controller AERODISK ENGINE N2 system, we were able to achieve quite serious results (~438,000 IOPS and ~5-6 gigabytes per second). The load tests showed that we are certainly proud of our storage solution. On the contrary, the results are very impressive and correspond to a good storage system. <\/p>\n<p><\/p>\n<p>Som vi n\u00e6vnte tidligere, er Engine N2 den mindste model, og de resultater, der vises i denne artikel, er ikke dens gr\u00e6nse. Senere vil vi offentligg\u00f8re en tilsvarende test med vores \u00e6ldre model ENGINE N4. <\/p>\n<p><\/p>\n<p>Naturligvis kan vi ikke d\u00e6kke alle mulige tests i \u00e9n artikel, s\u00e5 vi opfordrer l\u00e6serne til at dele deres \u00f8nsker til fremtidige tests i kommentarerne, og vi vil helt sikkert tage dem i betragtning i vores kommende publikationer. <\/p>\n<p><\/p>\n<p>Derudover minder vi om, at vi i \u00e5r aktivt fokuserer p\u00e5 tr\u00e6ning, s\u00e5 vi inviterer dig til vores kompetencecentre, hvor du kan deltage i kurser om AERODISK-lagringssystemer, og samtidig f\u00e5 en sjov og interessant tid. <\/p>\n<p><\/p>\n<p>Jeg gentager informationen om de kommende tr\u00e6ningsarrangementer. <\/p>\n<p><\/p>\n<ul>\n<li>Jekaterinburg. 16. maj 2019. Uddannelsesseminar. Du kan registrere dig via linket: <noindex><a rel=\"nofollow\" href=\"https:\/\/aerodisk.promo\/ekb\/\">https:\/\/aerodisk.promo\/ekb\/ <\/a><\/noindex><\/li>\n<li>Jekaterinburg. 20. maj \u2013 21. juni 2019. Kompetencecenter. Kom forbi n\u00e5r som helst i arbejdstiden for en live demonstration af AERODISK ENGINE N2. Den pr\u00e6cise adresse og registreringslink vil blive offentliggjort senere. Hold \u00f8je med vores nyheder.<\/li>\n<li>Novosibirsk. HOLD \u00d8JE MED INFORMATIONER P\u00c5 VORES HJEMMESIDE eller p\u00e5 \u0425\u0410\u0411\u0420.<br \/>\noktober 2019<\/li>\n<li>Kazan. HOLD \u00d8JE MED INFORMATIONER P\u00c5 VORES HJEMMESIDE eller p\u00e5 \u0425\u0410\u0411\u0420.<br \/>\noktober 2019<\/li>\n<li>Krasnojarsk. HOLD \u00d8JE MED INFORMATIONER P\u00c5 VORES HJEMMESIDE eller p\u00e5 \u0425\u0410\u0411\u0420.<br \/>\nnovember 2019<\/li>\n<\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/aerodisk\/blog\/451456\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412\u0441\u0435\u043c \u043f\u0440\u0438\u0432\u0435\u0442! \u041a\u0430\u043a \u0438 \u043e\u0431\u0435\u0449\u0430\u043b\u0438, \u043f\u0443\u0431\u043b\u0438\u043a\u0443\u0435\u043c \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043d\u0430\u0433\u0440\u0443\u0437\u043e\u0447\u043d\u043e\u0433\u043e \u0442\u0435\u0441\u0442\u0430 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0434\u0430\u043d\u043d\u044b\u0445 \u0440\u043e\u0441\u0441\u0438\u0439\u0441\u043a\u043e\u0433\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0441\u0442\u0432\u0430 \u2013 AERODISK ENGINE N2. \u0412 \u043f\u0440\u043e\u0448\u043b\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u043c\u044b \u043b\u043e\u043c\u0430\u043b\u0438 \u0421\u0425\u0414 (\u0442.\u0435. \u0432\u044b\u043f\u043e\u043b\u043d\u044f\u043b\u0438 \u043a\u0440\u0430\u0448-\u0442\u0435\u0441\u0442\u044b) \u0438 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u044b \u043a\u0440\u0430\u0448-\u0442\u0435\u0441\u0442\u0430 \u0431\u044b\u043b\u0438 \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u043c\u0438 (\u0442\u043e \u0435\u0441\u0442\u044c, \u0421\u0425\u0414 \u043c\u044b \u0442\u0430\u043a \u0438 \u043d\u0435 \u0441\u043b\u043e\u043c\u0430\u043b\u0438). \u0421 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u0430\u043c\u0438 \u043a\u0440\u0430\u0448-\u0442\u0435\u0441\u0442\u0430 \u043c\u043e\u0436\u043d\u043e \u043e\u0437\u043d\u0430\u043a\u043e\u043c\u0438\u0442\u044c\u0441\u044f \u0417\u0414\u0415\u0421\u042c. \u0412 \u043a\u043e\u043c\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u044f\u0445 \u043a \u043f\u0440\u0435\u0434\u044b\u0434\u0443\u0449\u0435\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u0431\u044b\u043b\u0438 \u0432\u044b\u0441\u043a\u0430\u0437\u0430\u043d\u044b \u043f\u043e\u0436\u0435\u043b\u0430\u043d\u0438\u044f \u043e [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":25193,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-33491","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - 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