Kusintha kwa Ukadaulo wa SAS Connector: Kusintha kwa Kusungirako Kuchokera ku Parallel kupita ku High-Speed ​​​​Serial

Kusintha kwa Ukadaulo wa SAS Connector: Kusintha kwa Kusungirako Kuchokera ku Parallel kupita ku High-Speed ​​​​Serial

Makina osungira zinthu masiku ano samangokulira pamlingo wa terabit, ali ndi kuchuluka kwa data, komanso amagwiritsa ntchito mphamvu zochepa ndipo amatenga malo ochepa. Makinawa amafunikanso kulumikizana bwino kuti apereke kusinthasintha kwakukulu. Opanga mapulogalamu amafunika kulumikizana pang'ono kuti apereke kuchuluka kwa data komwe kukufunika pano kapena mtsogolo. Ndipo zimatenga nthawi yoposa tsiku limodzi kuti deta ipangidwe, ikule ndikukhwima pang'onopang'ono. Makamaka mumakampani a IT, ukadaulo uliwonse ukusintha nthawi zonse, ndipo SAS (Serial Attached SCSI, Serial SCSI) specification ndi yosiyana. Monga wolowa m'malo mwa SCSI yofanana, SAS specification yakhala ikuwonedwa ndi anthu kwa nthawi yayitali.

Kwa zaka zambiri zomwe SAS yakhala ikugwiritsidwa ntchito, ma specification ake akhala akukonzedwanso nthawi zonse. Ngakhale kuti protocol yomwe ikugwiritsidwa ntchito sinasinthe kwenikweni, ma specification a external interface connectors asintha kangapo. Uku ndi kusintha komwe kwapangidwa ndi SAS kuti igwirizane ndi malo amsika. Mwachitsanzo, kusintha kwa ma specification a connector monga MINI SAS 8087, SFF-8643, ndi SFF-8654 kwasintha kwambiri ma cabling solutions pamene SAS inasintha kuchoka pa parallel technology kupita ku serial technology. Kale, parallel SCSI inkatha kugwira ntchito mpaka 320 Mb/s pa ma channel 16 mu single-end kapena differential mode. Pakadali pano, SAS 3.0 interface, yomwe imagwiritsidwabe ntchito kwambiri posungira ma enterprise, imapereka bandwidth yomwe imathamanga kawiri kuposa SAS 3 yomwe sinasinthidwe, kufika pa 24 Gbps, yomwe ndi pafupifupi 75% ya bandwidth ya common PCIe 3.0 x4 solid-state drive. Cholumikizira chaposachedwa cha MiniSAS HD chomwe chafotokozedwa mu SAS-4 specification ndi chaching'ono kukula kwake ndipo chimatha kukhala ndi density yayikulu. Kukula kwa cholumikizira chaposachedwa cha Mini-SAS HD ndi theka la cholumikizira choyambirira cha SCSI ndi 70% ya cholumikizira cha SAS. Mosiyana ndi chingwe choyambirira cha SCSI parallel, SAS ndi Mini-SAS HD zonse zili ndi njira zinayi. Komabe, pamodzi ndi liwiro lapamwamba, kuchuluka kwa mphamvu, komanso kusinthasintha kwakukulu, palinso kuwonjezeka kwa zovuta. Chifukwa cholumikiziracho ndi chaching'ono, opanga ma chingwe, osonkhanitsa ma chingwe, ndi opanga makina ayenera kusamala kwambiri ndi magawo a umphumphu wa chizindikiro cha cholumikizira chonse cha chingwe.

Mitundu yonse ya zingwe ndi zolumikizira za SAS, n'zosavuta kuzipangitsa kuti ziwoneke zokongola kwambiri… Kodi mwawona zingati? Zomwe zimagwiritsidwa ntchito m'mafakitale, ndi zomwe zimagwiritsidwa ntchito pazinthu zogula? Mwachitsanzo, chingwe cha MINI SAS 8087 mpaka 4X SATA 7P Male, chingwe cha SFF-8643 mpaka SFF-8482, chingwe cha SlimSAS SFF-8654 8i, ndi zina zotero.

M'lifupi (kumanzere, pakati) kwa chingwe cha Mini-SAS HD ndi 70% ya chingwe cha SAS (kumanja).

Si opanga mawaya onse omwe angapereke zizindikiro zapamwamba kwambiri kuti akwaniritse zofunikira pa kukhulupirika kwa chizindikiro cha makina osungira. Opanga mawaya ayenera kupereka mayankho apamwamba komanso otsika mtengo pamakina osungira aposachedwa. Mwachitsanzo, chingwe cha SFF-8087 kupita ku SFF-8088 kapena chingwe cha MCIO 8i kupita ku 2 OCuLink 4i. Kuti apange zigawo za chingwe chokhazikika komanso cholimba, zinthu zingapo ziyenera kuganiziridwa. Kuwonjezera pa kusunga ubwino wa kukonza ndi njira yokonza, opanga ayeneranso kusamala kwambiri ndi magawo a kukhulupirika kwa chizindikiro, zomwe ndi zomwe zimapangitsa kuti zingwe zosungiramo zinthu zothamanga kwambiri masiku ano zikhale zotheka.