{"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\/hu\/blog\/administrirovanie\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0","title":{"rendered":"R\u00e9gi szerver lemezes rendszere PCIe 1.0-r\u00f3l 2.0-ra val\u00f3 friss\u00edt\u00e9se","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><img decoding=\"async\" alt=\"R\u00e9gi szerver lemezes rendszere PCIe 1.0-r\u00f3l 2.0-ra val\u00f3 friss\u00edt\u00e9se\" src=\"\/wp-content\/uploads\/2019\/06\/68025340a72b1acac62371764f328712.jpg\" style=\"display:block;margin: 0 auto;\" \/><b class=\"spoiler_title\">Mi\u00e9rt v\u00e1lasztott\u00e1k a cikk t\u00e9m\u00e1jak\u00e9nt a t\u00e1rol\u00f3 rendszer fejleszt\u00e9s\u00e9t<\/b>Nyilv\u00e1nval\u00f3, hogy el\u0151sz\u00f6r a k\u00f6vetkez\u0151kre van sz\u00fcks\u00e9g \u00e1ltal\u00e1ban:<\/p>\n<ol>\n<li>N\u00f6velni a RAM-ot. Ez annyira nyilv\u00e1nval\u00f3 l\u00e9p\u00e9s, hogy m\u00e9g azt sem tartottam sz\u00fcks\u00e9gesnek, hogy az alapcikkben \u00edrjak r\u00f3la.<\/li>\n<li>Tov\u00e1bbi processzor(oka)t beszerelni, vagy mindk\u00e9t processzort a kiszolg\u00e1l\u00f3k \u00e1ltal t\u00e1mogatott legnagyobb teljes\u00edtm\u00e9ny\u0171 verzi\u00f3kra cser\u00e9lni.<\/li>\n<\/ol>\n<p>\nR\u00e9gi szerverek eset\u00e9ben a mem\u00f3ri\u00e1t \u00e9s a processzorokat \u00e1ltal\u00e1ban j\u00f3 \u00e1rakon lehet beszerezni.<\/p>\n<p>Egy bizonyos pillanatban minden szerver tulajdonos el\u0151tt felmer\u00fcl a k\u00e9rd\u00e9s \u2014 friss\u00edt\u00e9s vagy \u00faj szerver.<\/p>\n<p>Mivel az \u00faj szerver \u00e1ra mostan\u00e1ban milli\u00f3 rubelben m\u00e9rhet\u0151, sokan a friss\u00edt\u00e9s mellett d\u00f6ntenek.<\/p>\n<p>A sikeres friss\u00edt\u00e9shez nagyon fontos kompromisszumokat alkalmazni, hogy kis \u00f6sszeg\u00e9rt (az \u00faj szerver \u00e1r\u00e1hoz k\u00e9pest) jelent\u0151s teljes\u00edtm\u00e9nyfokozatot \u00e9rj\u00fcnk el.<\/p>\n<p>A cikk tartalmaz egy list\u00e1t a jelenleg jelent\u0151sen olcs\u00f3bb SSD PCI-E 2.0 x8 szerverekr\u0151l, RAID vez\u00e9rl\u0151kr\u0151l SSD cache t\u00e1mogat\u00e1ssal, \u00e9s tesztelt SATA III SSD-r\u0151l SATA II interf\u00e9szen.<br \/>\n<noindex><a rel=\"nofollow\" name=\"habracut\"><\/a><\/noindex><br \/>\nA legnyilv\u00e1nval\u00f3bb m\u00f3dja a t\u00e1rol\u00f3 rendszer fejleszt\u00e9s\u00e9nek \u2014 a HDD-r\u0151l SSD-re t\u00f6rt\u00e9n\u0151 \u00e1tt\u00e9r\u00e9s. Ez igaz a laptopokra \u00e9s a szerverekre egyar\u00e1nt. A szervereken azonban a k\u00fcl\u00f6nbs\u00e9g tal\u00e1n csak annyi, hogy az SSD-ket k\u00f6nnyen RAID-be lehet \u00e1ll\u00edtani.<\/p>\n<p>Az igazs\u00e1g az, hogy vannak finomabb r\u00e9szletek, p\u00e9ld\u00e1ul, hogy lehet, hogy nincsenek SATA III portok a r\u00e9gi szerveren, \u00e9s akkor le kell cser\u00e9lni, vagy megfelel\u0151 vez\u00e9rl\u0151t kell beszerelni.<\/p>\n<p>Term\u00e9szetesen vannak k\u00f6ztes megold\u00e1sok is.<\/p>\n<h2>SSD caching.<\/h2>\n<p>\n\u00d6sszess\u00e9g\u00e9ben ez a m\u00f3dszer j\u00f3l alkalmazhat\u00f3 adatb\u00e1zisokhoz, 1C-hez \u00e9s b\u00e1rmilyen v\u00e9letlenszer\u0171 hozz\u00e1f\u00e9r\u00e9shez. A sebess\u00e9g val\u00f3ban n\u0151. Nagy f\u00e1jlok, vide\u00f3 megfigyel\u00e9s eset\u00e9n pedig ez a m\u00f3dszer haszontalan.<\/p>\n<h3>LSI RAID vez\u00e9rl\u0151k (IBM, DELL, CISCO, Fujtsu)<\/h3>\n<p>\nA 92xx sorozatt\u00f3l kezdve az LSI-nak van egy CacheCade 2.0 technol\u00f3gi\u00e1ja, amely lehet\u0151v\u00e9 teszi szinte b\u00e1rmilyen SATA SSD RAID t\u00f6mbk\u00e9nt val\u00f3 haszn\u00e1lat\u00e1t. Ak\u00e1r olvas\u00e1sra, ak\u00e1r \u00edr\u00e1sra. S\u0151t, ak\u00e1r t\u00fck\u00f6rk\u00e9pet is lehet l\u00e9trehozni a cache SSD-kr\u0151l.<\/p>\n<p>A m\u00e1rk\u00e1zott vez\u00e9rl\u0151k eset\u00e9ben a helyzet bonyolultabb. Ez k\u00fcl\u00f6n\u00f6sen igaz az IBM-re. A CacheCade-hez sz\u00fcks\u00e9ges kulcsokat \u00e9s SSD-ket az IBM-t\u0151l kell megv\u00e1s\u00e1rolni horribilis \u00e1ron, ez\u00e9rt egyszer\u0171bb LSI-re v\u00e1ltani, \u00e9s olcs\u00f3n venni egy hardveres kulcsot. A szoftveres kulcsok l\u00e9nyegesen dr\u00e1g\u00e1bbak, mint a hardveresek.<\/p>\n<h3>Adaptec RAID vez\u00e9rl\u0151k<\/h3>\n<p>\nAz Adaptec vez\u00e9rl\u0151k\u00f6n van a MaxCache technol\u00f3gia, amely lehet\u0151v\u00e9 teszi az SSD cache-k\u00e9nt val\u00f3 haszn\u00e1lat\u00e1t. Azok a verzi\u00f3k \u00e9rdekelnek minket, amelyek Q bet\u0171vel v\u00e9gz\u0151dnek.<\/p>\n<p>A Q-vez\u00e9rl\u0151k szinte b\u00e1rmilyen SSD-t k\u00e9pesek haszn\u00e1lni, nemcsak az Adaptec \u00e1ltal biztos\u00edtott SSD-ket.<\/p>\n<ul>\n<li>Az 5xxx-t\u0151l kezdve minden vez\u00e9rl\u0151 t\u00e1mogatja a Hybrid RAID-et. Ennek a technol\u00f3gi\u00e1nak az a l\u00e9nyege, hogy az olvas\u00e1s mindig SSD-r\u0151l t\u00f6rt\u00e9nik, amikor van t\u00fck\u00f6r, amelyben az egyik lemez SSD.<\/li>\n<li>5xxxQ, p\u00e9ld\u00e1ul 5805ZQ. Ezek a vez\u00e9rl\u0151k t\u00e1mogatj\u00e1k a MaxCache 1.0-t. Csak olvas\u00e1si cache-el\u00e9s.<\/li>\n<li>6xxQ, p\u00e9ld\u00e1ul 6805Q. MaxCache 2.0. Olvas\u00e1si \u00e9s \u00edr\u00e1si cache-el\u00e9s.<\/li>\n<li>7xxQ, p\u00e9ld\u00e1ul 7805Q. MaxCache 3.0. Olvas\u00e1si \u00e9s \u00edr\u00e1si cache-el\u00e9s.<\/li>\n<li>8xxQ eset\u00e9ben az upgrade szinte nem \u00e9ri meg a magas \u00e1rak miatt.<\/li>\n<\/ul>\n<p>\n<noindex><a rel=\"nofollow\" href=\"https:\/\/habr.com\/ru\/company\/pc-administrator\/blog\/319214\/\">Cikk az SSD cache-el\u00e9sr\u0151l a Habr-on (vez\u00e9rl\u0151k \u00e9s oper\u00e1ci\u00f3s rendszerek).<\/a><\/noindex><\/p>\n<h3>Szoftveres cache-el\u00e9si technol\u00f3gi\u00e1k SSD-n.<\/h3>\n<p>\nNem fogom r\u00e9szletezni ezeket a technol\u00f3gi\u00e1kat. Gyakorlatilag b\u00e1rmely oper\u00e1ci\u00f3s rendszerben t\u00e1mogatottak. Megjegyeztem, hogy a btrfs haszn\u00e1lata sor\u00e1n automatikusan a legkisebb sorban l\u00e9v\u0151 eszk\u00f6zh\u00f6z ir\u00e1ny\u00edtja az olvas\u00e1si k\u00e9r\u00e9seket \u2014 SSD.<\/p>\n<h2>SATA III SSD SATA II interf\u00e9szen.<\/h2>\n<p>\nMivel nem mindig van lehet\u0151s\u00e9g \u00e9s p\u00e9nz \u00faj vez\u00e9rl\u0151re, felmer\u00fcl a k\u00e9rd\u00e9s, hogy mennyire j\u00f3l m\u0171k\u00f6dnek a SATA III SSD-k a m\u00e1r elavult SATA II interf\u00e9szen.<\/p>\n<p>V\u00e9gezz\u00fcnk egy kis tesztet. Alanyunk egy 400GB-os SATA III SSD Intel S3710 lesz.<\/p>\n<p>V\u00e9letlenszer\u0171 olvas\u00e1s, IOPS.<br \/>\n\u00c1tlagos olvas\u00e1si k\u00e9sleltet\u00e9s, mS.<br \/>\nV\u00e9letlenszer\u0171 \u00edr\u00e1s, IOPS.<br \/>\n\u00c1tlagos \u00edr\u00e1si k\u00e9sleltet\u00e9s, mS.<br \/>\nLine\u00e1ris olvas\u00e1s, MB\/s.<br \/>\nLine\u00e1ris \u00edr\u00e1s, 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\">Sebess\u00e9g tesztel\u00e9s\u00e9re haszn\u00e1lt parancsok.<\/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\n\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>Ahogy l\u00e1that\u00f3, a k\u00fcl\u00f6nbs\u00e9g line\u00e1ris sebess\u00e9g, IOPS \u00e9s k\u00e9sleltet\u00e9sek tekintet\u00e9ben jelent\u0151s, ez\u00e9rt csak a SATA III interf\u00e9sz haszn\u00e1lata \u00e9ri meg, ha viszont az nem \u00e1ll rendelkez\u00e9sre, vez\u00e9rl\u0151t kell beszerelni.<\/p>\n<p>A tisztess\u00e9g kedv\u00e9\u00e9rt elmondom, hogy m\u00e1s k\u00eds\u00e9rletek szerint. <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\">k\u00eds\u00e9rletek<\/a><\/noindex> A v\u00e9letlenszer\u0171 olvas\u00e1si \u00e9s \u00edr\u00e1si sebess\u00e9g k\u00f6z\u00f6tti k\u00fcl\u00f6nbs\u00e9g csek\u00e9lynek bizonyult. Lehets\u00e9ges, hogy a SATA II \u00e9s SATA III k\u00f6z\u00f6tti nagy IOPS k\u00fcl\u00f6nbs\u00e9g az\u00e9rt alakult ki, mert egy rendk\u00edv\u00fcl rossz SATA II vez\u00e9rl\u0151 vagy hib\u00e1s illeszt\u0151program volt a rendszerben.<\/p>\n<p>Viszont t\u00e9ny, hogy \u00e9rdemes ellen\u0151rizni a SATA II sebess\u00e9g\u00e9t \u2014 lehet, hogy hasonl\u00f3an lass\u00fa vez\u00e9rl\u0151je van. Ebben az esetben k\u00f6telez\u0151 a SATA III vez\u00e9rl\u0151re val\u00f3 \u00e1t\u00e1ll\u00e1s.<\/p>\n<h2>PCIe SSD a PCI-e 2.0 vagy 1.0 buszon<\/h2>\n<p>\nMint ismert, a leggyorsabb SSD-k a PCI-e NVMe, amelyek nincsenek korl\u00e1tozva SAS vagy SATA protokollok \u00e1ltal.<\/p>\n<p>Viszont a modern PCI-e SSD-k telep\u00edt\u00e9sekor figyelembe kell venni, hogy a legt\u00f6bbj\u00fck csak 4 PCI-e vonalat haszn\u00e1l, jellemz\u0151en PCI-e 3.0 vagy 3.1.<\/p>\n<p>Most n\u00e9zz\u00fck meg a PCI-e busz sebess\u00e9geit.<\/p>\n<p>PCI Express s\u00e1vsz\u00e9less\u00e9g, GB\/s<\/p>\n<p>\u00c9v <br \/>\n gy\u00e1rt\u00e1s<\/p>\n<p>Verzi\u00f3<br \/>\nPCI Express<\/p>\n<p>K\u00f3dol\u00e1s<\/p>\n<p>Sebess\u00e9g<br \/>\nadatok<\/p>\n<p>S\u00e1vsz\u00e9less\u00e9g x vonalra<\/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 GB\/s<br \/>\n1.0 GB\/s<br \/>\n2.0 GB\/s<br \/>\n4.0 GB\/s<\/p>\n<p>2007<br \/>\n2.0<br \/>\n8b\/10b<\/p>\n<p>1.0 GB\/s<br \/>\n2.0 GB\/s<br \/>\n4.0 GB\/s<br \/>\n8.0 GB\/s<\/p>\n<p>2010<br \/>\n3.0<br \/>\n128b\/130b<\/p>\n<p>1.97 GB\/s<br \/>\n3.94 GB\/s<br \/>\n7.88 GB\/s<br \/>\n15.8 GB\/s<\/p>\n<p>Amikor PCI 3.0 x4 SSD-t telep\u00edt\u00fcnk a PCI-e 2.0 buszra, ugyanolyan sz\u00e1m\u00fa vonalon fog m\u0171k\u00f6dni, de l\u00e9nyegesen alacsonyabb sebess\u00e9ggel. A probl\u00e9ma az, hogy a modern PCI-e SSD-k vonali sebess\u00e9ge meghaladja a PCI-e 2.0, \u00e9s m\u00e9g ink\u00e1bb a PCI-e 1.0 s\u00e1vsz\u00e9less\u00e9g\u00e9t.<\/p>\n<h3>M.2 SSD \u00e9s PCI-e \u00e1talak\u00edt\u00f3<\/h3>\n<p>Van n\u00e9h\u00e1ny j\u00f3 lehet\u0151s\u00e9g a friss\u00edt\u00e9sre, amikor 10 doll\u00e1r\u00e9rt v\u00e1s\u00e1rolunk egy \u00e1talak\u00edt\u00f3t \u00e9s M.2 SSD-t telep\u00edt\u00fcnk a szerverbe, de ism\u00e9telten a j\u00f3 SSD-k sebess\u00e9ge cs\u00f6kkenni fog (k\u00fcl\u00f6n\u00f6sen a PCI-e 1.0 eset\u00e9ben), \u00e9s az M.2 SSD-k nem mindig megfelel\u0151ek szerveres munkaterhel\u00e9sekhez: magas kop\u00e1s\u00e1ll\u00f3s\u00e1g, \u00e1ramell\u00e1t\u00e1s v\u00e9delme \u00e9s stabil sebess\u00e9gkarakterisztik\u00e1k a olcs\u00f3 modellek SLC-cache tel\u00edtetts\u00e9ge miatt.<\/p>\n<p>\u00cdgy ez a m\u00f3dszer csak olyan szerverek sz\u00e1m\u00e1ra alkalmas, amelyeken a PCI-e 2.0 busz van \u00e9s nem kritikus tev\u00e9kenys\u00e9get v\u00e9geznek.<\/p>\n<h3>PCI-E 2.0 x8 SSD<\/h3>\n<p>\nA leggazdas\u00e1gosabb friss\u00edt\u00e9s a PCI-E 2.0 x8 SSD-k haszn\u00e1lata szerverek sz\u00e1m\u00e1ra, amelyek PCI-e 1.0-n (s\u00e1vsz\u00e9less\u00e9g max 2 GB\/sec) \u00e9s PCI-e 2.0-n (max 4 GB\/sec) m\u0171k\u00f6dnek.<\/p>\n<p>Az ilyen szerver SSD-k most m\u00e1r rendk\u00edv\u00fcl olcs\u00f3n megv\u00e1s\u00e1rolhat\u00f3k k\u00fcl\u00f6nb\u00f6z\u0151 piactereken \u00e9s online aukci\u00f3kon, bele\u00e9rtve Oroszorsz\u00e1got is.<\/p>\n<p>\u00d6ssze\u00e1ll\u00edtottam egy t\u00e1bl\u00e1zatot az erk\u00f6lcsileg elavult SSD-kr\u0151l, amelyek remek\u00fcl gyors\u00edthatj\u00e1k a r\u00e9gi szervereket. A t\u00e1bl\u00e1zat v\u00e9g\u00e9re n\u00e9h\u00e1ny PCI-E 3.0 x8 interf\u00e9szes SSD-t is hozz\u00e1tettem. Lehet, hogy szerencs\u00e9d lesz, \u00e9s \u00e9sszer\u0171 \u00e1ron r\u00e1juk tal\u00e1lsz.<\/p>\n<p>N\u00e9v<br \/>\nTB<br \/>\nPBW<br \/>\nPCI-E<br \/>\n4k olvas\u00e1s iops, K<br \/>\n4k \u00edr\u00e1s iops, K<br \/>\nolvas\u00e1s, MB\/s<br \/>\n\u00edr\u00e1s, 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=\"R\u00e9gi szerver lemezes rendszere PCIe 1.0-r\u00f3l 2.0-ra val\u00f3 friss\u00edt\u00e9se\" src=\"\/wp-content\/uploads\/2019\/06\/369c72c6f028b915a199e85fc3de3819.jpg\" style=\"display:block;margin: 0 auto;\" \/>Ezekb\u0151l az SSD-kkel kiemelkednek a Fusion ioMemory. A tudom\u00e1nyos igazgat\u00f3 <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/Fusion-io\">Fusion<\/a><\/noindex> ugyanaz <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>. K\u00e9s\u0151bb a SanDisk 1,2 milli\u00e1rd doll\u00e1r\u00e9rt megv\u00e1s\u00e1rolta ezt a c\u00e9get. R\u00e9gen darabonk\u00e9nt 50 000 doll\u00e1rt\u00f3l indultak. Ma m\u00e1r n\u00e9h\u00e1ny sz\u00e1z doll\u00e1r\u00e9rt megv\u00e1s\u00e1rolhat\u00f3k \u00faj \u00e1llapotban, 1TB kapacit\u00e1st\u00f3l kezd\u0151d\u0151en.<\/p>\n<p>Ha alaposan megn\u00e9zz\u00fck a t\u00e1bl\u00e1zatot, l\u00e1that\u00f3, hogy meglehet\u0151sen magas az IOPS \u00edr\u00e1si teljes\u00edtm\u00e9ny\u00fck, szinte megegyezik az olvas\u00e1si IOPS-szal. Figyelembe v\u00e9ve a jelenlegi \u00e1rukat, \u00fagy v\u00e9lem, \u00e9rdemes figyelmet szentelni ezeknek az SSD-nek. <\/p>\n<p>Igaz, hogy van n\u00e9h\u00e1ny saj\u00e1toss\u00e1guk:<\/p>\n<ol>\n<li>Nem ind\u00edthat\u00f3k el<\/li>\n<li>Illeszt\u0151program sz\u00fcks\u00e9ges a haszn\u00e1latukhoz. Szinte mindenhez van illeszt\u0151program, de az utols\u00f3 Linux verzi\u00f3khoz ezeket le kell ford\u00edtani.<\/li>\n<li>Optim\u00e1lis szektor m\u00e9ret\u00fck 4096 b\u00e1jt. (512-t is t\u00e1mogat)<\/li>\n<li>A legrosszabb forgat\u00f3k\u00f6nyvben az illeszt\u0151program meglehet\u0151sen sok RAM-ot haszn\u00e1lhat (512 b\u00e1jt m\u00e9ret\u0171 szektor eset\u00e9n)<\/li>\n<li>A m\u0171k\u00f6d\u00e9si sebess\u00e9g a processzor sebess\u00e9g\u00e9t\u0151l f\u00fcgg, \u00edgy az energiatakar\u00e9kos technol\u00f3gi\u00e1kat \u00e9rdemes kikapcsolni. Ez egyszerre el\u0151ny \u00e9s h\u00e1tr\u00e1ny, mivel egy er\u0151sebb processzor seg\u00edts\u00e9g\u00e9vel az eszk\u00f6z ak\u00e1r gyorsabban is m\u0171k\u00f6dhet, mint a specifik\u00e1ci\u00f3kban szerepel.<\/li>\n<li>J\u00f3 h\u0171t\u00e9sre van sz\u00fcks\u00e9g. A szerverek sz\u00e1m\u00e1ra ez nem jelenthet probl\u00e9m\u00e1t.<\/li>\n<li>Nem javasolt ESXi sz\u00e1m\u00e1ra, mivel az ESXi a 512N szektor\u00fa lemezeket r\u00e9szes\u00edti el\u0151nyben, ami az illeszt\u0151program nagy mem\u00f3riafogyaszt\u00e1s\u00e1t vonhatja maga ut\u00e1n.<\/li>\n<li>A m\u00e1rk\u00e1zott verzi\u00f3k eset\u00e9ben az SSD-k \u00e1ltal\u00e1ban nem t\u00e1mogatottak a gy\u00e1rt\u00f3k \u00e1ltal, a SanDisk utols\u00f3 illeszt\u0151program szintj\u00e9ig (2019 m\u00e1rcius).<\/li>\n<\/ol>\n<p>\nTeszteket v\u00e9geztem a Fusion ioMemory-val \u00f6sszehasonl\u00edtva egy viszonylag modern Intel P3700 PCI-E 3.0 x8 szerver SSD-vel (ez ut\u00f3bbi k\u00f6r\u00fclbel\u00fcl n\u00e9gyszer dr\u00e1g\u00e1bb, mint a hasonl\u00f3 kapacit\u00e1s\u00fa Fusion). K\u00f6zben meg lehet n\u00e9zni, mennyire cs\u00f6kkenti a sebess\u00e9get a x4 busz.<\/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=\"R\u00e9gi szerver lemezes rendszere PCIe 1.0-r\u00f3l 2.0-ra val\u00f3 friss\u00edt\u00e9se\" src=\"\/wp-content\/uploads\/2019\/06\/7157ec6e43cac87fc0cdf5dd2887cfac.jpg\" style=\"display:block;margin: 0 auto;\" \/><br \/>\n<img decoding=\"async\" alt=\"R\u00e9gi szerver lemezes rendszere PCIe 1.0-r\u00f3l 2.0-ra val\u00f3 friss\u00edt\u00e9se\" src=\"\/wp-content\/uploads\/2019\/06\/f5db5f37b300332bd787d5b2fe57b67e.jpg\" style=\"display:block;margin: 0 auto;\" \/><\/p>\n<p>\nIgen, az Intel P3700 olvas\u00e1si sebess\u00e9ge egy\u00e9rtelm\u0171en cs\u00f6kken. A specifik\u00e1ci\u00f3 szerint 2800 MB\/s-n\u00e1l kellene lennie, m\u00edg nek\u00fcnk 1469 MB\/s. \u00d6sszess\u00e9g\u00e9ben elmondhat\u00f3, hogy PCI-e 2.0 buszn\u00e1l a PCI-E 3.0 x4 szerver SSD-k is haszn\u00e1lhat\u00f3ak, ha j\u00f3 \u00e1ron siker\u00fcl beszerezni \u0151ket.<\/p>\n<h3>K\u00f6vetkeztet\u00e9sek<\/h3>\n<p>\nA r\u00e9gi szerverek PCI-E 1.0 vagy 2.0 busz\u00e1val rendelkez\u0151 t\u00e1rol\u00f3rendszereket fel lehet p\u00f6rgetni SSD-k haszn\u00e1lat\u00e1val, amelyek k\u00e9pesek kihaszn\u00e1lni 8 PCI-E vonalat, \u00edgy ak\u00e1r 4GB\/s (PCI-E 2.0) vagy 2GB\/s (PCI-E 1.0) sebess\u00e9get is el\u00e9rhetnek. A legk\u00f6lts\u00e9ghat\u00e9konyabb megold\u00e1s a m\u00e1r elavult PCI-E 2.0 SSD-k haszn\u00e1lata.<\/p>\n<p>Tov\u00e1bb\u00e1, egyszer\u0171en megval\u00f3s\u00edthat\u00f3k kompromisszumos megold\u00e1sok, p\u00e9ld\u00e1ul a CacheCade kulcs beszerz\u00e9se LSI vez\u00e9rl\u0151k sz\u00e1m\u00e1ra, vagy az Adaptec vez\u00e9rl\u0151 Q-v\u00e1ltozatra val\u00f3 cser\u00e9je.<\/p>\n<p>\u00c9s egy teljesen ban\u00e1lis megold\u00e1s \u2014 SATA III (raid) vez\u00e9rl\u0151t v\u00e1s\u00e1rolni, hogy az SSD-k maxim\u00e1lis sebess\u00e9ggel m\u0171k\u00f6dhessenek \u00e9s mindent kiszolg\u00e1ljanak, ami sebess\u00e9get ig\u00e9nyel.<br \/>\n<br \/>Forr\u00e1s: <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 5.0.3 - aioseo.com -->\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/hu\/blog\/administrirovanie\/upgrade-diskovoj-podsistemy-starogo-servera-s-shinoj-pcie-1-0-2-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"hu_HU\" 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