Äèñêîâûé ìàññèâ ïðÿìîãî ïîäêëþ÷åíèÿ Lenovo D3284
Öåíó óòî÷íÿéòå
Ñèñòåìà õðàíåíèÿ äàííûõ Lenovo Storage D3284 Direct-Attached – åìêàÿ, ïðîèçâîäèòåëüíàÿ, ýôôåêòèâíàÿ, âûïîëíåíà â ôîðì-ôàêòîðå 5U, âìåùàåò äî 84 íàêîïèòåëåé.
Öåíó óòî÷íÿéòå
Îïèñàíèå ìàññèâà Lenovo D3284
Ñèñòåìà õðàíåíèÿ äàííûõ Lenovo Storage D3284 ðàçðàáîòàíà íà ïðåäïðèÿòèÿõ îäíîèìåííîé êîìïàíèè, ïðåäñòàâëÿåò ñîáîé íàäåæíîå îáîðóäîâàíèå äëÿ õðàíåíèÿ è îáñëóæèâàíèÿ äàííûõ, îòëè÷àåòñÿ ãèáêîñòüþ, ïðîèçâîäèòåëüíîñòüþ. Äàííûå çäåñü ðàçìåùàþòñÿ ñ âûñîêîé ïëîòíîñòüþ, ñàìà ïëàòôîðìà çàíèìàåò ìàëî ìåñòà.  êëàñòåð ìîæíî âêëþ÷èòü äî 4 òàêèõ êîðïóñîâ (âìåñòå îíè âìåñòÿò 336 íàêîïèòåëåé) è ïîäêëþ÷èòü ê 3-åì ñåðâåðàì îäíîâðåìåííî. Îáîðóäîâàíèå ñòàíåò îòëè÷íûì ðåøåíèåì äëÿ ñðåäíèõ è êðóïíûõ êîìïàíèé.
Îñíîâíûå îñîáåííîñòè îáîðóäîâàíèÿ
- Äèñêîâûé ìàññèâ ïðÿìîãî ïîäêëþ÷åíèÿ D3284 ðåàëèçîâàí â ôîðì-ôàêòîðå 5U.  ñòðóêòóðó âõîäÿò 2 ìîäóëÿ ðàñøèðåíèÿ SAS (12 Ãáèò/ñåê.), ôóíêöèîíèðóþùèõ ïî ïðèíöèïó active/active.
- Ñèñòåìà ïîääåðæèâàåò æåñòêèå äèñêè è òâåðäîòåëüíûå íàêîïèòåëè áîëüøîãî òèïîðàçìåðà (3,5 äþéìà), êîòîðûå óñòàíàâëèâàþòñÿ â ÷èñëå 84 øò. Îòñåêè ïîääåðæèâàþò óñòàíîâêó è íàêîïèòåëåé ìàëîãî ôîðìàòà (2,5 äþéìà).
- Äàííûå ìîäóëè ìîãóò îáúåäèíÿòüñÿ â åäèíûé êëàñòåð ïðè ïîìîùè âñòðîåííîé ïàíåëè. Â îáùåé ñëîæíîñòè êîíñîëèäèðóåòñÿ äî 4-õ óñòðîéñòâ, ïðîöåäóðà îòíèìàåò ìèíèìóì âðåìåíè.
- Ïëàòôîðìà ðàáîòàåò ïðè ïîìîùè 2-õ áëîêîâ ïèòàíèÿ, êîòîðûå ðåçåðâèðóþò äðóã äðóãà, îáåñïå÷èâàÿ áåñïåðåáîéíóþ ðàáîòó. Ýòîìó ñïîñîáñòâóþò è 5 âåíòèëÿòîðîâ.
Ïðåèìóùåñòâà ìàññèâà
- Îò ñåãìåíòíûõ àíàëîãîâ ìîäèôèêàöèÿ Lenovo D3284 îòëè÷àåòñÿ âûñîêèìè ïîêàçàòåëÿìè åìêîñòè è ìàñøòàáèðîâàíèÿ.  ïåðñïåêòèâå âëîæåíèÿ îêóïàþòñÿ ìíîãîêðàòíî.
- Çíà÷èòåëüíàÿ ïðîïóñêíàÿ ñïîñîáíîñòü è ñêîðîñòü ðàáîòû îáåñïå÷èâàþò âûïîëíåíèå ðåñóðñîåìêèõ çàäà÷, ñ áîëüøèì êîëè÷åñòâîì îïåðàöèé ââîäà-âûâîäà. Ýòî âûñîêîïðîèçâîäèòåëüíûå âû÷èñëåíèÿ, òîðãîâûå îïåðàöèè è êýøèðîâàíèå.
-  ñòîéêå ñèñòåìà çàíèìàåòñÿ ìàëî ìåñòà, ÷òî â ñî÷åòàíèè ñ íåáîëüøèì ïîòðåáëåíèåì ýíåðãèè ñïîñîáñòâóåò ñíèæåíèþ ýêñïëóàòàöèîííûõ ðàñõîäîâ.
Òåõíè÷åñêèå õàðàêòåðèñòèêè
| Form factor | 5U rack mount |
| Number of ESMs | 2 |
| Expansion ports | 3x 12 Gb SAS x4 (Mini-SAS HD SFF-8644) ports (A, B, C) per ESM |
| Drive bays | 84 LFF hot-swap drive bays in two drawers. Each drawer has three drive rows, and each row has 14 drives. Up to 4x D3284 enclosures can be daisy chained on a supported adapter for a total of up to 336 LFF drives. |
| Drive technologies | NL SAS HDDs and SAS SSDs. Intermix of HDDs and SSDs is supported within an enclosure/drawer, but not within a row. |
| Drive connectivity | Dual-ported 12 Gb SAS drive attachment infrastructure. |
| Drives |
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| Storage capacity | Up to 3.36 PB (336x 10 TB LFF NL SAS HDDs) |
| Host adapters |
RAID controllers:
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| Host operating systems | Microsoft Windows Server 2012 R2 and 2016; Red Hat Enterprise Linux (RHEL) 6 and 7; SUSE Linux Enterprise Server (SLES) 11 and 12; VMware vSphere ESXi 5.5 and 6.0. |
| Cooling | N+1 redundant cooling with five hot-swap fans. |
| Power supply | Two redundant hot-swap 2214 W AC power supplies. |
| Hot-swap parts | ESMs, drives, sideplanes, power supplies, and fans. |
| Management interfaces | SAS Enclosure Services, 10/100 Mb Ethernet for external management. |
| Warranty | Three-year customer-replaceable unit, parts delivered limited warranty with 9x5 next business day response. |
| Service and support | Optional warranty service upgrades are available through Lenovo: Technician installed parts, 24x7 coverage, 2-hour or 4-hour response time, 6-hour or 24-hour committed repair, 1-year or 2-year warranty extensions, YourDrive YourData, hardware installation. |
| Dimensions | Height: 221 mm (8.7 in), width: 447 mm (17.6 in), depth: 933 mm (36.7 in) |
| Maximum weight | 131 kg (288.8 lb) |
