{"id":34884,"date":"2019-10-31T22:01:01","date_gmt":"2019-10-31T19:01:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0\/"},"modified":"2019-10-31T22:01:01","modified_gmt":"2019-10-31T19:01:01","slug":"upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/et\/blog\/administrirovanie\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0","title":{"rendered":"Kasutusel oleva serveri diskial s\u00fcsteemi uuendamine PCIe 1.0-lt 2.0-le","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"Kasutusel oleva serveri diskial s\u00fcsteemi uuendamine PCIe 1.0-lt 2.0-le\" src=\"\/wp-content\/uploads\/2019\/06\/68025340a72b1acac62371764f328712.jpg\" style=\"display:block;margin: 0 auto;\" \/><b class=\"spoiler_title\">Miks on selle artikli teemaks salvestuslahenduse uuendamine<\/b>On selge, et esmaj\u00e4rjekorras tuleb tavaliselt:<\/p>\n<ol>\n<li>Suurendada t\u00f6\u00f6m\u00e4lu. See on nii ilmne samm, et ma ei pidanud seda p\u00f5hiartiklis vajalikuks v\u00e4lja tuua.<\/li>\n<li>Paigaldada t\u00e4iendavaid protsessoreid v\u00f5i vahetada m\u00f5lemad protsessorid v\u00e4lja k\u00f5ige j\u00f5udsamate versioonide vastu, mida serveri pesa toetab.<\/li>\n<\/ol>\n<p>\nVanade serverite puhul on m\u00e4lu ja protsessorid tavaliselt saadaval v\u00e4ga odavatele hindadele.<\/p>\n<p>Teataval hetkel seisab iga oma serveri omanik silmitsi k\u00fcsimusega \u2014 uuendamine v\u00f5i uus server.<\/p>\n<p>Kuna uue serveri hind v\u00f5ib praegu k\u00fc\u00fcndida miljonitesse rubla, siis paljud valivad uuendamise tee.<\/p>\n<p>Eduka uuendamise puhul on v\u00e4ga oluline kasutada kompromisse, et saada v\u00e4ikese tasu eest (seoses uue serveri hinnaga) m\u00e4rkimisv\u00e4\u00e4rne j\u00f5udluse kasv.<\/p>\n<p>Artiklis on loetletud serveri SSD-d PCI-E 2.0 x8, mis on praegu oluliselt odavnenud, samuti on esitatud RAID-kontrollerid, mis toetavad SSD-vahendust, ja testitud SATA III SSD SATA II liideses.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nK\u00f5ige ilmsem viis diskis\u00fcsteemi uuendamiseks on liikuda HDD-lt SSD-le. See kehtib nii s\u00fclearvutite kui ka serverite puhul. Serverites on t\u00f5en\u00e4oliselt ainus erinevus see, et SSD-sid saab h\u00f5lpsasti RAID-is kombineerida.<\/p>\n<p>T\u00f5si, on \u00f5rnad hetked, mis on seotud sellega, et vanal serveril ei pruugi olla SATA III porte, ja siis tuleb asendada v\u00f5i paigaldada sobiv kontroller.<\/p>\n<p>Kuna on ka vahepealseid viise.<\/p>\n<h2>Caching SSD-l.<\/h2>\n<p>\n\u00dcldiselt sobib see meetod h\u00e4sti andmebaaside, 1C, igasuguse juhusliku ligip\u00e4\u00e4su jaoks. Kiirus t\u00f5epoolest suureneb. Suurtele failidele, nagu videovalve, on see meetod kasutuks.<\/p>\n<h3>RAID-kontrollerid LSI (IBM, DELL, CISCO, Fujitsu)<\/h3>\n<p>\nAlates seeriast 92xx on LSI-l tehnoloogia CacheCade 2.0, mis v\u00f5imaldab kasutada peaaegu igasuguseid SATA SSD-sid kui RAID-massiivi vahem\u00e4lu. Nii lugemiseks kui ka kirjutamiseks. Ja isegi luua peegeldust vahem\u00e4lust SSD-dest.<\/p>\n<p>Br\u00e4nditud kontrollerite kasutamine on muutumas keerulisemaks. See kehtib eelk\u00f5ige IBM-i kohta. CacheCade v\u00f5tmed ja SSD-d tuleb osta IBM-ilt erakordse hinnaga, seega on lihtsam vahetada kontroller LSI vastu ja osta odavalt riistvaraline v\u00f5ti. Tarkvaralised v\u00f5tmepidajad on oluliselt kallimad kui riistvaralised.<\/p>\n<h3>Adapteci RAID-kontrollerid<\/h3>\n<p>\nAdapteci kontrolleritel on tehnoloogia MaxCache, mis v\u00f5imaldab ka SSD-d kasutada vahem\u00e4luna. Meid huvitavad kontrollerite versioonid, mille l\u00f5pp on Q-t\u00e4hega.<\/p>\n<p>Q-kontrollerid suudavad kasutada peaaegu k\u00f5iki SSD-sid, mitte ainult Adapteci pakutavaid SSD-sid.<\/p>\n<ul>\n<li>Alates 5xxx seeriast on k\u00f5igil kontrolleritel tugi h\u00fcbriid RAID-ile. Selle tehnoloogia olemus on see, et lugemine toimub alati SSD-lt, kui on peegeldus \u00fche ketta all, kus on SSD.<\/li>\n<li>5xxxQ, n\u00e4iteks 5805ZQ. Need kontrollerid toetavad MaxCache 1.0. Ainult lugemise vahem\u00e4lu.<\/li>\n<li>6xxQ, n\u00e4iteks 6805Q. MaxCache 2.0. Lugemise ja kirjutamise vahem\u00e4lu.<\/li>\n<li>7xxQ, n\u00e4iteks 7805Q. MaxCache 3.0. Lugemise ja kirjutamise vahem\u00e4lu.<\/li>\n<li>8xxQ kasutamine uuendamise eesm\u00e4rkidel on peaaegu m\u00f5ttetu k\u00f5rgete hindade t\u00f5ttu.<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/pc-administrator\/blog\/319214\/\">Artikkel SSD-de vahem\u00e4lust Habr's (kontrollerid ja operatsioonis\u00fcsteem).<\/a><\/noindex><\/p>\n<h3>Tarkvaralised tehnoloogiad SSD-de vahem\u00e4luks<\/h3>\n<p>\nMa ei hakka neid tehnoloogiaid tutvustama. Peaaegu igas ops\u00fcsteemis toetatakse neid juba praegu. Mulle j\u00e4i meelde, et btrfs-i kasutamisel suunatakse lugemisekutsed automaatselt seadmele, millel on l\u00fchem j\u00e4rjekord \u2014 SSD.<\/p>\n<h2>SATA III SSD SATA II liidesel<\/h2>\n<p>\nKuna uue kontrolleri jaoks pole alati v\u00f5imalusi ja raha, tekib k\u00fcsimus, kui h\u00e4sti t\u00f6\u00f6tavad SATA III SSD-d vananenud SATA II liidesel.<\/p>\n<p>Teeme v\u00e4ikese testi. Katseobjektiks on meil SATA III SSD Intel S3710, 400GB.<\/p>\n<p>Juhuslik lugemine, iops<br \/>\nKeskmine lugemisaeg, mS<br \/>\nJuhuslik kirjutamine, iops<br \/>\nKeskmine kirjutamisaeg, mS<br \/>\nLineaarne lugemine, MB\/s<br \/>\nLineaarne kirjutamine, MB\/s<\/p>\n<p>SATA II<br \/>\n21241<br \/>\n2<br \/>\n13580<br \/>\n4<br \/>\n282<br \/>\n235<\/p>\n<p>SATA III<br \/>\n68073<br \/>\n0.468<br \/>\n61392<br \/>\n0.52<br \/>\n514<br \/>\n462<\/p>\n<p>\n<b class=\"spoiler_title\">K\u00e4sklused kiiruskatsete l\u00e4biviimiseks<\/b><\/p>\n<pre><code class=\"bash\">fio --name LinRead --eta-newline=5s --filename=\/dev\/sda --rw=read --size=500m --io_size=10g --blocksize=1024k --ioengine=libaio --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting \nfio --name LinWrite --eta-newline=5s --filename=\/dev\/sda --rw=write --size=500m --io_size=10g --blocksize=1024k --ioengine=libaio --fsync=10000 --iodepth=32 --direct=1 --numjobs=1 --runtime=60 --group_reporting\n\nfio --name RandRead --eta-newline=5s --filename=\/dev\/sda --rw=randread --size=500m --io_size=10g --blocksize=4k --ioengine=libaio --iodepth=32 --direct=1 --numjobs=4 --runtime=60 --group_reporting\n\nfio --name RandWrite --eta-newline=5s --filename=\/dev\/sda --rw=randwrite --size=500m --io_size=10g --blocksize=4k --ioengine=libaio --iodepth=32 --direct=1 --numjobs=4 --runtime=60 --group_reporting\n<\/code><\/pre>\n<p>Nagu n\u00e4ha, on erinevus nii lineaarsetes kiirus, IOPS, viivitustes v\u00e4ga m\u00e4rkimisv\u00e4\u00e4rne, seet\u00f5ttu on m\u00f5ttekas kasutada ainult SATA III liidest, ja kui seda ei ole, siis paigaldada kontroller.<\/p>\n<p>\u00d5igluse nimel pean \u00fctlema, et <noindex><a rel=\"nofollow\" href=\"http:\/\/www.thg.ru\/storage\/ustanovka_ssd_v_sistemu_s_sata_3_gbits_test\/ustanovka_ssd_v_sistemu_s_sata_3_gbits_test-01.html\">teiste katsete<\/a><\/noindex> kiirusel random lugemise ja kirjutamise osas oli erinevus t\u00fchine. V\u00f5ib-olla oli see suur erinevus IOPS-i osas SATA II ja SATA III vahel tingitud sellest, et mul oli kasutusel mingi \u00e4\u00e4rmiselt eba\u00f5nnestunud SATA II kontroller v\u00f5i juhtmeviga, kus olid mingid vead.<\/p>\n<p>Kuid t\u00f5siasi on see, et tuleks kontrollida SATA II kiirus \u2014 \u00e4kki on teil sama aeglane kontroller. Sel juhul on \u00fcleminek SATA III kontrollerile h\u00e4davajalik.<\/p>\n<h2>PCIe SSD PCI-e 2.0 v\u00f5i 1.0 bussil<\/h2>\n<p>\nNagu teada, on k\u00f5ige kiiremad SSD-d PCI-e NVMe, mis ei ole piiratud SAS v\u00f5i SATA protokollidega.<\/p>\n<p>Kuid kaasaegsete PCI-e SSD-de paigaldamisel tuleb arvesse v\u00f5tta, et enamik neist kasutab vaid 4 PCI-e rida, tavaliselt PCI-e 3.0 v\u00f5i 3.1.<\/p>\n<p>N\u00fc\u00fcd vaatame PCI-e busside kiirusetabelit.<\/p>\n<p>PCI Expressi l\u00e4bilaskev\u00f5ime, Gbyte\/s<\/p>\n<p>Aasta <br \/>\n v\u00e4ljalaskmine<\/p>\n<p>Versioon<br \/>\nPCI Express<\/p>\n<p>\u00dclekanne<\/p>\n<p>Kiirus<br \/>\nkodeerimine<\/p>\n<p>l\u00e4bilaskev\u00f5ime x rida kohta<\/p>\n<p>\u00d74<br \/>\n\u00d78<br \/>\n\u00d716<\/p>\n<p>2002<br \/>\n1.0<br \/>\n8b\/10b<\/p>\n<p>0.50 Gbyte\/s<br \/>\n1.0 Gbyte\/s<br \/>\n2.0 Gbyte\/s<br \/>\n4.0 Gbyte\/s<\/p>\n<p>2007<br \/>\n2.0<br \/>\n8b\/10b<\/p>\n<p>1.0 Gbyte\/s<br \/>\n2.0 Gbyte\/s<br \/>\n4.0 Gbyte\/s<br \/>\n8.0 Gbyte\/s<\/p>\n<p>2010<br \/>\n3.0<br \/>\n128b\/130b<\/p>\n<p>1,97 Gbit\/s<br \/>\n3,94 Gbit\/s<br \/>\n7,88 Gbit\/s<br \/>\n15,8 Gbit\/s<\/p>\n<p>PCI 3.0 x4 SSD paigaldamisel PCI-e 2.0 bussile t\u00f6\u00f6tab see sama arvu radadega, kuid oluliselt madalama kiirusel. Probleem seisneb selles, et t\u00e4nap\u00e4evaste PCI-e SSD-de lineaarset kiirus \u00fcletab PCI-e 2.0 ja veel enam PCI-e 1.0 l\u00e4bilaskev\u00f5imet.<\/p>\n<h3>M.2 SSD ja PCI-e adapter<\/h3>\n<p>Hea uuendusv\u00f5imalus on osta 10 dollari eest adapter ja paigaldada M.2 SSD serverisse, kuid head SSD-d v\u00e4hendavad kiirus (eriti PCI-e 1.0 puhul), ja M.2 SSD ei pruugi alati olla serverikoormuste jaoks sobivad: neil on madal kulumiskindlus, toite kaitse ja stabiilsed kiirusn\u00e4itajad, mis on seotud SLC-puhvri t\u00e4itmisega odavates mudelites.<\/p>\n<p>See meetod sobib ainult PCI-e 2.0 bussiga serveritele ja mitte kriitilistele \u00fclesannetele.<\/p>\n<h3>PCI-E 2.0 x8 SSD<\/h3>\n<p>\nK\u00f5ige m\u00f5istlikum uuendus on PCI-E 2.0 x8 SSD kasutamine serverites, millel on PCI-e 1.0 (l\u00e4bilaskev\u00f5ime kuni 2 GB\/s) ja PCI-e 2.0 (kuni 4 GB\/s).<\/p>\n<p>Selliseid serveri SSD-sid saab praegu v\u00e4ga soodsalt osta erinevatelt turuplatvormidelt ja internetihankesid, sealhulgas Venemaal.<\/p>\n<p>Olen koostanud tabeli vanemate SSD-de kohta, mis suurep\u00e4raselt suudavad kiirendada teie vana serverit. Tabeli l\u00f5ppu lisasin m\u00f5ned SSD-d PCI-E 3.0 x8 liidese peal. \u00c4kki leiate need m\u00f5istlikul hinnal.<\/p>\n<p>Nimi<br \/>\nTB<br \/>\nPBW<br \/>\nPCI-E<br \/>\n4k lugemise IOP, K<br \/>\n4k kirjutamise IOP, K<br \/>\nlugemine, MB\/s<br \/>\nkirjutamine, MB\/s<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusionio_iodrive2_duo_mlc_application_accelerator_review\">Fusion-io ioDrive II DUO MLC<\/a><\/noindex><br \/>\n2.4<br \/>\n32.5<br \/>\n2.0 x8<br \/>\n480<br \/>\n490<br \/>\n3000<br \/>\n2500<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sandisk.com\/content\/dam\/sandisk-main\/en_us\/assets\/resources\/enterprise\/data-sheets\/fusion-iomemory-sx350-pcie-application-accelerators-datasheet.pdf\">SANDISK FUSION IOMEMORY SX350-1300<\/a><\/noindex><br \/>\n1.3<br \/>\n4<br \/>\n2.0 x8<br \/>\n225<br \/>\n345<br \/>\n2800<br \/>\n1300<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusion_iomemory_px600_review\">SANDISK FUSION IOMEMORY PX600-1300<\/a><\/noindex><br \/>\n1.3<br \/>\n16<br \/>\n2.0 x8<br \/>\n235<br \/>\n375<br \/>\n2700<br \/>\n1700<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sandisk.com\/content\/dam\/sandisk-main\/en_us\/assets\/resources\/enterprise\/data-sheets\/fusion-iomemory-sx350-pcie-application-accelerators-datasheet.pdf\">SANDISK FUSION IOMEMORY SX350-1600<\/a><\/noindex><br \/>\n1.6<br \/>\n5.5<br \/>\n2.0 x8<br \/>\n270<br \/>\n375<br \/>\n2800<br \/>\n1700<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusion_iomemory_sx300_review\">SanDisk Fusion ioMemory SX300-3200<\/a><\/noindex><br \/>\n3.2<br \/>\n11<br \/>\n2.0 x8<br \/>\n345<br \/>\n385<br \/>\n2700<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.sandisk.com\/content\/dam\/sandisk-main\/en_us\/assets\/resources\/enterprise\/data-sheets\/fusion-iomemory-sx350-pcie-application-accelerators-datasheet.pdf\">SanDisk Fusion ioMemory SX350-3200<\/a><\/noindex><br \/>\n3.2<br \/>\n11<br \/>\n2.0 x8<br \/>\n345<br \/>\n385<br \/>\n2800<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/fusion_iomemory_px600_review\">SANDISK FUSION IOMEMORY PX600<\/a><\/noindex><br \/>\n2.6<br \/>\n32<br \/>\n2.0 x8<br \/>\n350<br \/>\n385<br \/>\n2700<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/support.huawei.com\/enterprise\/en\/doc\/EDOC1000052593?section=j005\">Huawei ES3000 V2<\/a><\/noindex><br \/>\n1,6<br \/>\n8,76<br \/>\n2.0 x8<br \/>\n395<br \/>\n270<br \/>\n1550<br \/>\n1100<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/support.huawei.com\/enterprise\/en\/doc\/EDOC1000052593?section=j005\">Huawei ES3000 V2<\/a><\/noindex><br \/>\n3,2<br \/>\n17,52<br \/>\n2.0 x8<br \/>\n770<br \/>\n230<br \/>\n3100<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.emc.com\/collateral\/data-sheet\/h11411-xtremsf-ds.pdf\">EMC XtremSF<\/a><\/noindex><br \/>\n2,2<br \/>\n\u00a0<br \/>\n2.0 x8<br \/>\n340<br \/>\n110<br \/>\n2700<br \/>\n1000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/virident_flashmax_ii_mlc_application_accelerator_review_22tb\">HGST Virident FlashMAX II<\/a><\/noindex><br \/>\n2,2<br \/>\n33<br \/>\n2.0 x8<br \/>\n350<br \/>\n103<br \/>\n2700<br \/>\n1000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/documents.westerndigital.com\/\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/product\/hgst\/general-docs\/data-sheet-flashmax-pcie.pdf\">HGST Virident SSD FlashMAX II<\/a><\/noindex><br \/>\n4,8<br \/>\n10.1<br \/>\n2.0 x8<br \/>\n269<br \/>\n51<br \/>\n2600<br \/>\n900<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/documents.westerndigital.com\/\/content\/dam\/doc-library\/en_us\/assets\/public\/western-digital\/product\/hgst\/general-docs\/data-sheet-flashmax-pcie.pdf\">HGST Virident FlashMAX III<\/a><\/noindex><br \/>\n2,2<br \/>\n7.1<br \/>\n2.0 x8<br \/>\n531<br \/>\n59<br \/>\n2700<br \/>\n1400<\/p>\n<p>Dell Micron P420M<br \/>\n1.4<br \/>\n9.2<br \/>\n2.0 x8<br \/>\n750<br \/>\n95<br \/>\n3300<br \/>\n630<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.storagereview.com\/micron_p420m_enterprise_pcie_ssd_review\">Micron P420M<\/a><\/noindex><br \/>\n1.4<br \/>\n9.2<br \/>\n2.0 x8<br \/>\n750<br \/>\n95<br \/>\n3300<br \/>\n630<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.anandtech.com\/show\/10890\/hgst-ultrastar-sn200-accelerator-768-tb-capacity-61-gbs-read-speed-12m-iops\">HGST SN260<\/a><\/noindex><br \/>\n1.6<br \/>\n25.10<br \/>\n3.0 x8<br \/>\n1200<br \/>\n200<br \/>\n6170<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.anandtech.com\/show\/10890\/hgst-ultrastar-sn200-accelerator-768-tb-capacity-61-gbs-read-speed-12m-iops\">HGST SN260<\/a><\/noindex><br \/>\n3,2<br \/>\n17,52<br \/>\n3.0 x8<br \/>\n1200<br \/>\n200<br \/>\n6170<br \/>\n2200<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/ark.intel.com\/content\/www\/ru\/ru\/ark\/products\/88731\/intel-ssd-dc-p3608-series-1-6tb-1-2-height-pcie-3-0-x8-20nm-mlc.html\">Intel P3608<\/a><\/noindex><br \/>\n3,2<br \/>\n17,5<br \/>\n3.0 x8<br \/>\n850<br \/>\n80<br \/>\n4500<br \/>\n2600<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.kingston.com\/datasheets\/DCP1000_us.pdf\">Kingston DCP1000<\/a><\/noindex><br \/>\n3,2<br \/>\n2,78<br \/>\n3.0 x8<br \/>\n1000<br \/>\n180<br \/>\n6800<br \/>\n6000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/docs.oracle.com\/cd\/E65386_01\/html\/E65387\/gokdw.html#scrolltoc\">Oracle F320<\/a><\/noindex><br \/>\n3.2<br \/>\n29<br \/>\n3.0 x8<br \/>\n750<br \/>\n120<br \/>\n5500<br \/>\n1800<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.samsung.com\/semiconductor\/global.semi.static\/PM1725_NVMe_PCIe_SSD_Samsung_2016-1.pdf\">Samsung PM1725<\/a><\/noindex><br \/>\n3.2<br \/>\n29<br \/>\n3.0 x8<br \/>\n1000<br \/>\n120<br \/>\n6000<br \/>\n2000<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.samsung.com\/semiconductor\/ssd\/enterprise-ssd\/MZPLL3T2HMLS\/\">Samsung PM1725a<\/a><\/noindex><br \/>\n3.2<br \/>\n29<br \/>\n3.0 x8<br \/>\n1000<br \/>\n180<br \/>\n6200<br \/>\n2600<\/p>\n<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.samsung.com\/semiconductor\/ssd\/enterprise-ssd\/MZPLL3T2HAJQ\/\">Samsung PM1725b<\/a><\/noindex><br \/>\n3.2<br \/>\n18<br \/>\n3.0 x8<br \/>\n980<br \/>\n180<br \/>\n6200<br \/>\n2600<\/p>\n<p>\n<img decoding=\"async\" alt=\"Kasutusel oleva serveri diskial s\u00fcsteemi uuendamine PCIe 1.0-lt 2.0-le\" src=\"\/wp-content\/uploads\/2019\/06\/369c72c6f028b915a199e85fc3de3819.jpg\" style=\"display:block;margin: 0 auto;\" \/>Nendest SSD-dest paistavad silma Fusion ioMemory. Teaduslikuks direktoriks <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Fusion-io\">Fusion<\/a><\/noindex> oleks <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%92%D0%BE%D0%B7%D0%BD%D1%8F%D0%BA,_%D0%A1%D1%82%D0%B8%D0%B2\">Steve Wozniak<\/a><\/noindex>. Hiljem ostis selle ettev\u00f5tte SanDisk 1,2 miljardi dollari eest. Ajalooliselt maksid need 50 000 dollarit t\u00fckk. Praegu v\u00f5ib neid osta m\u00f5ne saja dollari eest uue seisukorraga ja 1TB v\u00f5i suurema mahutavusega.<\/p>\n<p>Kui vaatate tabelit l\u00e4hemalt, on n\u00e4ha, et neil on suhteliselt k\u00f5rge kirjutamise IOPS, mis on peaaegu v\u00f5rdne lugemise IOPS-iga. Arvesse v\u00f5ttes nende praegust hinda, on minu arvates need SSD-d t\u00e4helepanu v\u00e4\u00e4rivad. <\/p>\n<p>Kuid neil on mitu ise\u00e4rasust:<\/p>\n<ol>\n<li>Need ei saa olla k\u00e4ivitatavad.<\/li>\n<li>Seade on vajalik kasutamiseks. Draivereid on praktiliselt k\u00f5ikidele, kuid viimaste Linuxi versioonide jaoks tuleb need koostada.<\/li>\n<li>Nende optimaalne sektor suurus on 4096 baiti. (Ka 512 baiti on toetatud)<\/li>\n<li>Draiver v\u00f5ib halvematel juhtudel tarbida bastante palju RAMi (512 baiti sektori suurusega)<\/li>\n<li>T\u00f6\u00f6kiirus s\u00f5ltub protsessori kiirusest, seega on parem energias\u00e4\u00e4stu tehnoloogiad v\u00e4lja l\u00fclitada. See on nii pluss kui ka miinus, kuna v\u00f5imsa protsessoriga v\u00f5ib seade t\u00f6\u00f6tada isegi kiiremini kui kirjeldatud spetsifikatsioonides.<\/li>\n<li>Vajab head jahutust. Serverite jaoks ei tohiks see probleem olla.<\/li>\n<li>Ei ole soovitatav ESXi-le, kuna ESXi eelistab 512N sektoriga kettaid, mis v\u00f5ib viia draiveri suure m\u00e4lukasutuseni.<\/li>\n<li>Br\u00e4nditud versioonid nendest SSD-dest ei ole tavaliselt tootjate poolt toetatud viimase SanDiski draiveri (m\u00e4rts 2019) tasemeni.<\/li>\n<\/ol>\n<p>\nViisin l\u00e4bi Fusion ioMemory testid v\u00f5rreldes \u00fcsna modernse serveri SSD-ga Intel P3700 PCI-E 3.0 x8 (viimane maksab umbes neli korda rohkem kui Fusion sarnase mahutavusega). Samuti v\u00f5ib n\u00e4ha, kui palju kiirus x4 busi t\u00f5ttu v\u00e4heneb.<\/p>\n<p>Fusion PX600 1.3TB PCI-E 2.0 x8<br \/>\nIntel P3700 1.6TB PCI-E 3.0 x4<\/p>\n<p><img decoding=\"async\" alt=\"Kasutusel oleva serveri diskial s\u00fcsteemi uuendamine PCIe 1.0-lt 2.0-le\" src=\"\/wp-content\/uploads\/2019\/06\/7157ec6e43cac87fc0cdf5dd2887cfac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"Kasutusel oleva serveri diskial s\u00fcsteemi uuendamine PCIe 1.0-lt 2.0-le\" src=\"\/wp-content\/uploads\/2019\/06\/f5db5f37b300332bd787d5b2fe57b67e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\nJah, Intel P3700 puhul on lugemise lineaarne kiirus selgelt piiratud. Pasporti j\u00e4rgi peaks see olema 2800 MB\/s, kuid meil on 1469 MB\/s. \u00dcldiselt v\u00f5ib \u00f6elda, et PCI-e 2.0 busi korral saab kasutada serveri SSD-sid PCI-E 3.0 x4, kui neid m\u00f5istlikult hinna eest hankida \u00f5nnestub.<\/p>\n<h3>J\u00e4reldused<\/h3>\n<p>\nVana serveri, millel on PCI-E 1.0 v\u00f5i 2.0 bus, diskis\u00fcsteemi saab parandada SSD-de kasutamisega, mis suudavad kasutada 8 PCI-E rida, mis annavad l\u00e4bilaskev\u00f5ime kuni 4 GB\/s (PCI-E 2.0) v\u00f5i 2 GB\/s (PCI-E 1.0). K\u00f5ige kasulikum on seda teha, kasutades moraalselt vananenud PCI-E 2.0 SSD-sid.<\/p>\n<p>Samuti on lihtsad rakendatavad kompromisslahendused, mis on seotud CacheCade v\u00f5tme ostmisega LSI kontrolleritele v\u00f5i Adapteci kontrolleri v\u00e4ljavahetamisega Q-versiooniks.<\/p>\n<p>Ja t\u00e4iesti tavaline viis on osta (raid)kontroller SATA III, et SSD-d t\u00f6\u00f6taksid t\u00e4ielikul kiirusel ja suudaksid hallata k\u00f5ike, mis vajab kiirust.<br \/>\n<br \/>Allikas: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/post\/454222\/\">habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0447\u0435\u043c\u0443 \u0442\u0435\u043c\u043e\u0439 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u0432\u044b\u0431\u0440\u0430\u043d \u0430\u043f\u0433\u0440\u0435\u0439\u0434 \u0434\u0438\u0441\u043a\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b\u041f\u043e\u043d\u044f\u0442\u043d\u043e, \u0447\u0442\u043e \u0432 \u043f\u0435\u0440\u0432\u0443\u044e \u043e\u0447\u0435\u0440\u0435\u0434\u044c \u043d\u0443\u0436\u043d\u043e, \u043a\u0430\u043a \u043f\u0440\u0430\u0432\u0438\u043b\u043e: \u0423\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u044c \u043e\u043f\u0435\u0440\u0430\u0442\u0438\u0432\u043d\u0443\u044e \u043f\u0430\u043c\u044f\u0442\u044c. \u042d\u0442\u043e \u043d\u0430\u0441\u0442\u043e\u043b\u044c\u043a\u043e \u043e\u0447\u0435\u0432\u0438\u0434\u043d\u044b\u0439 \u0445\u043e\u0434, \u0447\u0442\u043e \u044f \u0434\u0430\u0436\u0435 \u043d\u0435 \u0441\u0447\u0451\u043b \u043d\u0443\u0436\u043d\u044b\u043c \u043f\u0438\u0441\u0430\u0442\u044c \u043e\u0431 \u044d\u0442\u043e\u043c \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0435 \u041f\u043e\u0441\u0442\u0430\u0432\u0438\u0442\u044c \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440(\u044b) \u0438\u043b\u0438 \u0437\u0430\u043c\u0435\u043d\u0438\u0442\u044c \u043e\u0431\u0430 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u0430 \u043d\u0430 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0432\u0435\u0440\u0441\u0438\u0438 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u0441\u043e\u043a\u0435\u0442\u0430\u043c\u0438 \u0441\u0435\u0440\u0432\u0435\u0440\u0430. \u0414\u043b\u044f \u0441\u0442\u0430\u0440\u044b\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432, \u0447\u0442\u043e \u043f\u0430\u043c\u044f\u0442\u044c, \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0440\u044b, \u043a\u0430\u043a [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":26262,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[688],"tags":[],"class_list":["post-34884","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-administrirovanie"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0447\u0435\u043c\u0443 \u0442\u0435\u043c\u043e\u0439 \u0434\u0430\u043d\u043d\u043e\u0439 \u0441\u0442\u0430\u0442\u044c\u0438 \u0432\u044b\u0431\u0440\u0430\u043d \u0430\u043f\u0433\u0440\u0435\u0439\u0434 \u0434\u0438\u0441\u043a\u043e\u0432\u043e\u0439 \u043f\u043e\u0434\u0441\u0438\u0441\u0442\u0435\u043c\u044b\u041f\u043e\u043d\u044f\u0442\u043d\u043e, \u0447\u0442\u043e \u0432 \u043f\u0435\u0440\u0432\u0443\u044e 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On selge, et esimesena on tavaliselt vaja: Suurendada RAM-i. See on nii ilmne, et ma ei pidanud vajalikuks kirjutada sellest p\u00f5hiteemas. Paigaldada t\u00e4iendav protsessor(id) v\u00f5i asendada m\u00f5lemad protsessorid serveri pesad toetatavate maksimaalselt j\u00f5udluse versioonidega. 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