Ke hoʻomau nei ka hoʻonui ʻana i ka mana o ka paʻakikī, akā ke emi nei ka ulu ʻana i nā makahiki i hala. No laila, i mea e hoʻokuʻu ai i ka huakaʻi 4 TB mua ma hope o ke kūʻai aku ʻana o 2 TB HDDs, ua hoʻohana ka ʻoihana i ʻelua mau makahiki wale nō, ʻekolu mau makahiki a hiki i ka hōʻailona 8 TB, a ua lawe ʻia i ʻekolu mau makahiki e pālua i ka mana o kahi 3,5 -ʻīniha paʻakikī ua lanakila hoʻokahi wale nō i loko o ʻelima makahiki.
Loaʻa ka holomua hou loa i ka papa inoa piha o nā hoʻonā hou. I kēia lā, ʻo nā conservatives e like me Toshiba, ka mea a hiki i kēia manawa i hōʻole i ka helium, ua koi ʻia e hana i nā paʻa paʻa i nā hihia i hoʻopaʻa ʻia, a ua hoʻonui ʻia ka helu o nā papa ma kahi spindle i ʻeiwa mau ʻāpana - ʻoiai hoʻokahi, a no ka manawa lōʻihi, ʻelima mau papa. i manaʻo ʻia he palena kūpono. Ma nā niches kūikawā, hoʻohana ʻia ka ʻenehana i kapa ʻia. ka hoʻopaʻa ʻana i ka tile (SMR, Shingled Magnetic Recording), kahi e hoʻopaʻa ʻia ai ka māhele ma ka pā. A ʻo ka mea hope loa, i mea e hoʻololi ai i ka palena o ka mana paʻakikī mai 14 a i 16 TB me ka ʻole o ka hoʻohana ʻana iā SMR, pono nā mea hana e hoʻokō i kekahi o nā ʻenehana hoʻohiki, kahi papa inoa e emi iho nei a mākou e hana hou ai i kēlā me kēia makahiki. , — heluhelu ʻana i kahi mele e kekahi mau poʻo i ka manawa like (TDMR, Two-Dimensional Magnetic Recording). ʻO ka holomua hou aʻe e koi i nā loli nui i nā kumu o ka hana HDD - e like me ka hoʻomehana ʻana i ka pā me ka laser a i ʻole microwaves (HAMR/MAMR, Heat/Microwave-Assisted Magnetic Recording) i ka manawa e hala ai ke poʻo hoʻopaʻa.
Eia nō naʻe, maʻalahi ka ʻike ʻana o nā ʻenehana i wehewehe ʻia e pili ana i ka hoʻonui ʻana i ke kiko kākau a me ka hoʻonui ʻana i ka leo ma ka spindle hoʻokahi, ʻoiai ʻo ka hapa nui o lākou he hopena ʻaoʻao maikaʻi ma ke ʻano o ka hoʻonui ʻana i ka wikiwiki o ka heluhelu ʻana a me ke kākau ʻana i ka ʻikepili laina. Wahi a kēia ʻāpana, ua haki nā HDD hou i ka palena 250 MB / s a ua hoʻohālikelike ʻia me nā mea hoʻohana mua. Akā ʻaʻole hiki ke holomua ka wikiwiki o ka loaʻa ʻana i nā ʻāpana like ʻole o nā diski magnetic, a ma ke ʻano o ka leo, e emi wale ka helu o nā hana i kēlā me kēia kekona. I ka manawa like, piʻi aʻe nā koi no ka hoʻomanawanui hewa, no ka mea, ʻoi aku ka nui o ka ʻikepili i mālama ʻia ma ka spindle, ʻoi aku ka nui o ka nalowale ʻana a ʻoi aku ka lōʻihi o ka hoʻihoʻi ʻana.
Akā ua loaʻa pū i nā mea hana o nā mea hoʻopaʻa magnetic kahi pane i kēia pilikia. Lawe mākou i ʻekolu mau paʻakikī paʻakikī mai 14TB a i 16TB e ʻike i ke ʻano o ka ʻenehana 64 mau makahiki i ka 2019, a ʻike mākou i kekahi mau ʻano. ʻO nā hiʻohiʻona poʻokela o nā pahu paʻakikī 3,5-ʻīniha hou, i hana ʻia no nā kikowaena rack a me nā ʻōnaehana mālama, loaʻa kekahi mea like me nā drive solid-state - mai nā loina o ka ʻāpana ʻōlelo a hiki i ka hoʻopili pololei ʻana o nā chips flash i loko o ka waihona hoʻomanaʻo kūloko. A ʻo nā hiʻohiʻona o nā mea kūʻai aku, ua kokoke loa i kā lākou mau hiʻohiʻona i kā lākou mau hoa kikowaena, a ʻo ka wehewehe ʻana i ka "desktop HDD" ʻaʻole i ʻōlelo hou i ka wikiwiki a me ka hilinaʻi o ka hāmeʻa. Akā ʻaʻole i kaupalena ʻia ke kumu o kēia loiloi i nā huaʻōlelo maʻamau. Manaʻo mākou e ʻike i ke ʻano o ka unuhi ʻana o nā ʻano hou o ka hoʻolālā paʻakikī i nā helu hana paʻakikī.
Nā hiʻohiʻona ʻenehana o nā mea komo hoʻāʻo
Ma mua o ka hoʻomaka ʻana i ka nānā ʻana i nā hopena hōʻike, pono e noʻonoʻo pono i nā ʻano o nā mea hana a mākou e hana ai. I kēia manawa ʻaʻole i like ka nui o lākou e like me ka mea maʻamau i kā mākou hui hoʻāʻo, akā ua hoʻokō mākou i nā kūlana nui, me ka ʻole o ka hoʻohālikelike ʻana i nā paʻakikī paʻakikī ʻaʻole hiki ke koi ʻia. Hoʻokomo ʻia ka loiloi i nā huahana mai nā mea hana ʻekolu - Seagate, Toshiba a me Western Digital, a no nā ʻano like ʻole lākou: nā mea kūʻai aku a me ka server. ʻO nā hiʻohiʻona nui e hoʻohui iā lākou he leo o 14 a i ʻole 16 TB, kahi pahu i hoʻopaʻa ʻia i hoʻopiha ʻia me ka helium, a me ka wikiwiki spindle o 7200 rpm. A no ka hoʻohālikelike ʻana me nā mea kaumaha, ʻo ka hoʻāʻo ʻana e pili ana i ʻekolu mau mea liʻiliʻi i kamaʻāina iā mākou (10 a me 12 TB), i hoʻolālā ʻia no ka hoʻohana ʻana i nā kikowaena, home a i ʻole ke keʻena NAS.
| Mea hana | Seagate | Toshiba | ʻO Western Digital | |||
|---|---|---|---|---|---|---|
| Pūnaehana | ʻO BarraCuda Pro | Hōʻike X10 | 'OkaWolfWolf | MG08 | S300 | Ultrastar DC HC530 |
| Helu kumu hoʻohālike | ST14000DM001 | ST10000NM0016 | ST12000VN0008 | MG08ACA16TE | HDWT31AUZSVA | WUH721414ALE6L4 |
| Nā kumu kumu | Xnumx iniha | Xnumx iniha | Xnumx iniha | Xnumx iniha | Xnumx iniha | Xnumx iniha |
| mau ' | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s | SATA 6Gb/s |
| Kaha, GB | 14 000 | 10 000 | 12 000 | 16 000 | 10 000 | 14 000 |
| Kauoa | ||||||
| ʻO ka māmā holo o ka spindle, rpm | 7 200 | 7 200 | 7 200 | 7 200 | 7 200 | 7 200 |
| Hoʻohana ʻia ka nui o ka hoʻopaʻa ʻana i ka ʻikepili, GB/platter | 1 750 | 1 429 | 1 500 | 1 778 | 1 429 | 1 750 |
| Ka helu o nā papa/poʻo | 8/16 | 7/14 | 8/16 | 9/18 | 7/14 | 8/16 |
| Nui ʻāpana, bytes | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) | 4096 (512 byte emulation) |
| Ka nui hoʻopaʻa, MB | 256 | 256 | 256 | 512 | 256 | 512 |
| 'Ohanahana | ||||||
| Max. hoʻomau i ka māmā heluhelu kaʻina, MB/s | 250 | 249 | 210 | ʻO ND | 248 | 267 |
| Max. hoʻomau i ka wikiwiki kākau ʻana, MB/s | 250 | 249 | 210 | ʻO ND | 248 | 267 |
| Ka manawa huli maʻamau: heluhelu/kākau, ms | ʻO ND | ʻO ND | ʻO ND | ʻO ND | ʻO ND | 7,5/ND |
| hoʻomanawanui hewa | ||||||
| Haawe hoʻolālā, TB/g | 300 | ʻO ND | 180 | 550 | 180 | 550 |
| Nā hewa heluhelu make, ka nui o nā hanana i kēlā me kēia leo ʻikepili (bits) | 1/10 ^ 15 | 1/10 ^ 15 | 1/10 ^ 15 | 10/10 ^ 16 | 10/10 ^ 14 | 1/10 ^ 15 |
| MTBF (mean time between fails), h | ʻO ND | 2 500 000 | 1 000 000 | 2 500 000 | 1 000 000 | 2 500 000 |
| AFR (ke kuhi hewa i kēlā me kēia makahiki), % | ʻO ND | 0,35 | ʻO ND | ʻO ND | ʻO ND | 0,35 |
| Ka helu o nā kaʻa kaʻa poʻo | 300 000 | 600 000 | 600 000 | 600 000 | 600 000 | 600 000 |
| ʻano kino | ||||||
| Ka hoʻohana ʻana i ka mana: idle / heluhelu-kākau, W | 4,9/6,9 | 4,5/8,4 | 5,0/7,8 | ʻO ND | 7,15/9,48 | 5,5/6,0 |
| Ka nui o ka walaʻau: hana ʻole/huli, B | ʻO ND | ʻO ND | 1,8/2,8 | 2,0/ND | 3,4/ND | 2,0/3,6 |
| ʻO ka wela kiʻekiʻe, °C: hoʻokuʻu ʻia ka pā | 60/70 | 60/ND | 70/70 | 55/70 | 70/70 | 60/70 |
| Ke kū i ka haʻihaʻi: hoʻokuʻu ʻia ka pā | ʻO ND | 40 g (2 ms) / 250 g (2 ms) | 70 g (2 ms) / 250 g (2 ms) | 70 g (2 ms) / 250 g (2 ms) | 70 g (2 ms) / 250 g (2 ms) | 70 g (2 ms) / 300 g (2 ms) |
| Nā ana holoʻokoʻa: L × H × D, mm | 147 x 101,9 x 26,1 | 147 x 101,9 x 26,1 | 147 x 101,9 x 26,1 | 147 x 101,9 x 26,1 | 147 x 101,9 x 26,1 | 147 x 101,6 x 26,1 |
| Mass, g | 690 | 650 | 690 | 720 | 770 | 690 |
| Ka wā hoʻohiki, makahiki | 5 | 5 | 3 | 5 | 3 | 5 |
| Kumukuai kuai (USA, koe nae ka auhau), $ | Mai 549 (newegg.com) | Mai 289 (newegg.com) | Mai 351 (newegg.com) | ʻO ND | Mai 301 (newegg.com) | Mai 439 (amazon.com) |
| Kumukuai kuai (Russia), rub. | Mai ka 34 (market.yandex.ru) | Mai ka 17 (market.yandex.ru) | Mai ka 26 (market.yandex.ru) | ʻO ND | Mai ka 19 (market.yandex.ru) | Mai ka 27 (market.yandex.ru) |
ʻO ka hiʻohiʻona mua i kā mākou hōʻiliʻili haʻahaʻa o nā pahu paʻakikī o ka nui ʻole - BarraCuda Pro 14 TB - he drive no nā PC desktop a me DAS, akā ʻaʻole maʻalahi, akā "ʻoihana". Ma ka ʻaoʻao hoʻokahi, ʻo ia ka mea e pili ana ka BarraCuda Pro i nā palena maʻamau o nā papa paʻa paʻa. No ka laʻana, ʻaʻole ia i manaʻo ʻia no ka hoʻohui ʻana i nā arrays RAID, no ka mea, no kēia mea makemake ʻia e loaʻa iā TLER (Time-Limited Error Recovery) - kahi hoʻonohonoho firmware e pale ai i ka HDD mai ka lele ʻana i waho o ka papa ma muli o nā hoʻāʻo lōʻihi e ka microcontroller. e heluhelu i ka mahele pilikia. Eia kekahi, ʻaʻole kūpono ka BarraCuda Pro chassis e hana i loko o kahi papa a i ʻole NAS me kekahi mau hīnaʻi, no ka mea, ʻaʻole ia e uku no ka haʻalulu rotational.
Akā ma ka ʻaoʻao ʻē aʻe, ʻaʻole e like me ka hapa nui o nā pāpaʻi paʻakikī ʻē aʻe, ua hoʻonui ʻia nā HDD o kēia brand i ka waiwai hoʻonui makahiki - a hiki i 300 TB o ke kākau hou ʻana, ua mākaukau e hana 24/7 a hele pū ʻia me kahi palapala hōʻoia ʻelima makahiki. ʻAʻole paha ʻoe e hoʻopiʻi e pili ana i ka hana (ma ka liʻiliʻi ma nā hana me ka nui o ka ʻike ʻikepili linear): mahalo i ʻewalu 1,75 TB platters, loaʻa ka hāmeʻa i kahi throughput paʻa o 250 MB/s. Eia kekahi, ua hoʻohiki ka mea hana e ʻoi aku ka kiʻekiʻe o ka wikiwiki o ka komo ʻana ma BarraCuda Pro i ka hoʻohālikelike ʻana i nā drive maʻamau no nā kamepiula papapihi, a ʻoi aku ka haʻahaʻa o ka mana ma mua o ka hapa nui o nā hiʻohiʻona 3,5-inch. Eia naʻe, e nānā mau mākou i nā ʻōlelo a pau a Seagate.
I mea e lanakila ai i kahi kiʻekiʻe kiʻekiʻe o ka nui o ka ʻikepili i loko o ke ʻano o ka hoʻopaʻa ʻana perpendicular maʻamau me ka ʻole o ka hoʻohana ʻana i ka ʻenehana niche SMR (Shingled Magnetic Recording), pono ʻo Seagate e hoʻokō i kekahi o nā ala hoʻohiki a mākou e kākau ai e pili ana i kēlā me kēia makahiki i kā mākou. , - kapaia hoʻopaʻa hoʻopaʻa ʻelua-dimensional (Two-Dimensional Magnetic Recording). Akā kū'ē i kona inoa, ʻaʻole pili ʻo TDMR me ke kaʻina hana hoʻopaʻa ʻikepili e like me ia a ua hoʻolālā ʻia e hoʻonui i ka ratio signal-to-noise i nā kūlana kiʻekiʻe o nā mele ma kahi pā magnetic ma muli o ka heluhelu like ʻana o kahi mele. e nā poʻo heluhelu ʻelua: ua hoʻokaʻawale ʻia nā mea hope ma ke ʻano e hopu ai ke kahua i nā ala pili, a lilo ia i mea maʻalahi ke uku no ke keakea. I ka wā e hiki mai ana, e hoʻonui ka paʻakikī me TDMR i nā poʻo hou aʻe, a me ka hilinaʻi o ka heluhelu ʻana i ka ʻikepili, e piʻi aʻe kona wikiwiki, akā he mea kēia no ka wā e hiki mai ana.
ʻOkoʻa nā drive BarraCuda Pro i nā ʻano like ʻole mai nā polokalamu pili o ka ʻōpio ʻōpio me ka ʻole o ka Pro prefix - e hoʻomaka me ka ʻoiaʻiʻo o nā mea hana HDD āpau i nā hiʻohiʻona papa maʻamau i hoʻopaʻa ʻia ma 6-8 TB. Hiki ke wehewehe ʻia ka BarraCuda Pro drive ma ke ʻano he hua o ka lālā server Seagate, kahi i hoʻonele ʻia i nā hana e pili ana i ka hana ʻana i nā arrays. Akā ʻo ka hopena, ua piʻi ke kumukūʻai o ka hāmeʻa i ke kiʻekiʻe o nā hiʻohiʻona hui, a i ʻole ke kiʻekiʻe: ma Rūsia, ʻaʻole hiki ke loaʻa kahi kumu hoʻohālike 14-terabyte ma mua o 34 rubles, a ma nā kahua kūʻai ma United States - $348. ʻO nā hiʻohiʻona kokoke i Seagate o ka nui like ke kumu kūʻai - mai $549 a i ʻole 375 rubles.
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ʻO ke kumuhana hoʻāʻo hou aʻe, ʻo ka 14 TB Ultrastar DC HC530, kahi kaʻa kokoke e hōʻike ana i ka mea maikaʻi loa i hiki i nā ʻenekini Western Digital ke hana a hiki i ka hōʻea ʻana o ke kumu hoʻohālike 16 TB hou. A ma ka hoʻomaʻamaʻa ʻana o 3DNews, ua lilo ia i mea paʻakikī Ultrastar brand hard drive me ka ʻole o nā leka maʻamau HGST ma ka inoa: ua hoʻoili ka hui i nā hiʻohiʻona kikowaena āpau ma lalo o kāna hōʻailona ponoʻī ma hope o ka pau ʻana o nā waiwai o HGST i ka hui hui. Ma kāna mau hiʻohiʻona koʻikoʻi, ua like kēia hāmeʻa me ka BarraCuda Pro o ka leo like: i loko o ka pahu i hoʻopaʻa ʻia o ka Ultrastar DC HC530 aia nō hoʻi ʻewalu mau papa magnetic me ka mana pono o 1750 GB, a ʻo ka ʻenehana TDMR e hāʻawi i ka heluhelu ʻikepili mai kahi ākea ākea. tracks. Akā i ka ʻōlelo o nā ʻāpana ʻē aʻe a me nā ʻano hana hou aʻe o nā HDD hui, ʻaʻole hiki ke kau ʻia ka Ultrastar DC HC530 ma ka pae like me nā hiʻohiʻona papapihi, ʻoiai inā ʻaʻole ʻo BarraCuda Pro he ʻelele maʻamau o kāna ʻāpana.
No laila, ʻo ka nui o ke kākau ʻana ma nā pā BarraCuda Pro a me Ultrastar DC HC530 ka like, e like me ka wikiwiki o ka spindle, akā ʻo ka huahana WD e hōʻoiaʻiʻo i kahi kiʻekiʻe o ka laina heluhelu a kākau i ka wikiwiki o ka ʻikepili - a hiki i 267 MB / s (ʻaʻole ia. maopopo kahi i hele mai ai ka ʻokoʻa, akā e hōʻike ana nā hoʻāʻo inā loaʻa maoli ia). Hiki ke hoʻemi ʻia nā latencies i ka wā maʻamau e ka mea hou, ʻekolu-hanauna ʻelua-pae actuator a me ka nui 512 MB buffer, a ʻo ka mea nui loa, ʻo Media Cache - nā wahi mālama no ka kākau wikiwiki ʻana i nā poloka i hoʻopuehu ʻia ma luna o ka ʻili o nā pā. ʻO ka hiʻohiʻona hope e hana i nā disks kokoke i kēia manawa e like me nā drive solid-state, a he ʻano like ʻole ma waena o nā ʻāpana kino a me nā poloka logical. A e hoʻomaka ana me nā hiʻohiʻona 10-terabyte Ultrastar DC HC330, hoʻohana pū ʻo WD i kahi liʻiliʻi o ka hoʻomanaʻo uila e hūnā i nā hana kākau. E hoʻomaopopo ʻo ia, me ka hana kiʻekiʻe loa e nā maʻamau o nā drive magnetic, ʻike ʻia ka huahana WD e ka hoʻohana ʻana i ka mana haʻahaʻa - ʻoiaʻiʻo, ʻo ia ka hāmeʻa me ka haʻahaʻa haʻahaʻa haʻahaʻa loa i waena o nā mea hoʻāʻo a pau, e hoʻoholo ana e kāna mau palapala passport. .
Kūkulu ʻia nā pahu o kēia papa me ka manaʻolana o ka hana mau ʻana i loko o kahi kikowaena kikowaena: ʻelua ʻaoʻao spindle kau ʻana, rotational vibration uku - ʻo kēia a me nā hiʻohiʻona ʻē aʻe o ka Ultrastar DC HC530 i hiki ke hoʻonui i ka hoʻolālā hoʻolālā o ka disk i 550 TB/makahiki, a me ka MTBF mea typical no nearline -models 2,5 miliona hola. Inā hiki ʻole ke hāʻule i ka wā e hoʻonui ai i ka firmware, kūʻai ʻia kahi pahu hoʻomaha ma ka papa hoʻokele. Hiki mai ka diski i nā hoʻololi me ka ʻike maoli i ka 4 KB markup a i ʻole emulate o nā ʻāpana 512-byte, me kahi interface SATA a i ʻole SAS. Ma ka hihia hope, loaʻa pū ke koho o ka hoʻopili ʻana i ka ʻikepili hopena.
ʻO nā kumukūʻai kūʻai o ka WD Ultrastar DC HC530 i kahi hoʻonohonoho me kahi awa SATA a me ka hoʻohālikelike ʻana o ka hoʻoilina 512-byte markup e pili ana i nā hiʻohiʻona kiʻekiʻe a me nā ʻenehana o kēia hāmeʻa: mai RUB 27. ma nā hale kūʻai pūnaewele Lūkini a me $495 ma Amazon.
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ʻAʻole maʻalahi ka hōʻuluʻulu ʻana i kahi hōʻiliʻili o 14 TB hard drive no ka hoʻohālikelike hoʻohālikelike, a ʻaʻole hiki iā mākou ke kiʻi i kahi hāmeʻa kūpono mai kahi mea hana ʻekolu - Toshiba. Akā, ua loaʻa iā mākou kahi kumu hoʻohālike o ka hanauna e hiki mai ana, 16 TB. I kēia manawa, hāʻawi nā ʻoihana paʻakikī ʻekolu i nā drive o ka mana like, akā ʻo Toshiba's MG08 series huahana ka mea mua loa i waena o lākou. Ke hilinaʻi nei ka moʻolelo o ka hui Iapana i nā pā me ka like ʻole, inā ʻaʻole pololei, ka like kino like me ka 14TB BarraCuda Pro a me Ultrastar hard drive, akā ʻo kēia ka manawa mua i hiki ai iā Toshiba ke hoʻopaʻa i ʻeiwa pancakes i kahi hihia 3,5-inch maʻamau. ʻAʻole me ka ʻenehana TDMR, i lilo i kūlana koʻikoʻi no ka lanakila ʻana i nā palena hou o ka hiki. Pono ka laina heluhelu a kākau ʻana o Toshiba MG08 ma ke kiʻekiʻe o ka WD Ultrastar DC HC530, akā, he mea kupanaha, ʻaʻole hōʻike ka mea hana i nā kikoʻī e pili ana i ka hana o ka hāmeʻa.
Akā ua ʻike ʻia ua lawe pū ʻo Toshiba i nā hana e hoʻonui ai i ka hilinaʻi a ma ka manawa like e hoʻemi i ka latency o nā hana kākau: ʻo ka flash memory chip ma luna o ka MG08 i ka wā o ka pau ʻana o ka mana hiki iā ʻoe ke mālama i ka ʻikepili i hoʻouna ʻia e ka mea hoʻokele. no ke kākau ʻana, akā no ka hoʻoholo ʻana i nā hopena hoʻāʻo, lawelawe pū ʻo ia ma ke ʻano he hoʻomanaʻo huna huna lua ma hope o ka DRAM buffer. Eia naʻe, ʻike ʻia kēia ʻenehana (Persistent Write Cache) i nā kikoʻī o nā disks me 512-byte layout emulation, ʻo ia kahi kumu hou o ka pōʻino i ka wā o ka pau ʻole o ka mana (a i kekahi manawa ʻaihue i ka hana) ma muli o ka pono e hana i kahi heluhelu. -hoʻololi-kākau hana i kēlā me kēia manawa nā moʻolelo o nā poloka logical ʻaʻole i kūlike me nā palena o nā ʻāpana kino. Akā ʻo ka MG08 pū kekahi me nā hiʻohiʻona me ke komo ʻana i nā ʻāpana 4-kilobyte. ʻO ke ʻano o kēia, ʻaʻohe o ka hoʻomanaʻo flash, a i ʻole ua wehe ʻia ka hana hoʻihoʻi mai ia mea, ʻaʻole mākou ʻike. Akā me ka nānā ʻole i ka PWC, Toshiba MG08, a me nā mea hoʻokele ʻē aʻe mai kēia hui, e hoʻohana i nā algorithms Dynamic Cache, e like me ka mea hana, e hoʻohele maikaʻi i ka hakahaka ma waena o nā hana heluhelu a kākau. ʻAʻohe o mākou ʻike kikoʻī e pili ana iā lākou.
ʻO nā kumu ʻē aʻe o ka hoʻonui ʻia ʻana o ka hewa i ka hoʻolālā Toshiba MG08 ʻo ia ka spindle mounts ma nā ʻaoʻao ʻelua a me nā mea ʻike vibration rotational. Hoʻolālā ʻia kēia mau drive e kākau i ka 550 TB o ka ʻikepili i kēlā me kēia makahiki, loaʻa kahi manawa ma waena o nā hemahema o 2,5 miliona mau hola, maʻamau no nā ʻoihana ʻoihana, a me kahi manawa hōʻoia ʻelima makahiki. Loaʻa nā ʻano hoʻonohonoho kaʻa like ʻole i ke kauoha, me kahi interface SATA a i ʻole SAS a me ka hoʻopili ʻana i ka hopena i ka hopena. Eia nō naʻe, ʻaʻole hiki iā mākou ke hāʻawi iā ʻoe i kahi alakaʻi kumu kūʻai: Ua hoʻolauna ʻia ʻo Toshiba's 16-terabyte drive i Ianuali, akā he holoholona laha loa ia i nā kūʻai kūʻai kūʻai.
Toshiba MG08 16 TB
I kēia manawa ua ʻike mākou i nā mea hoʻāʻo nui ʻekolu, e nānā kākou i nā pahu liʻiliʻi liʻiliʻi a mākou e hoʻohālikelike ai i nā hiʻohiʻona 14-16 terabyte hou. ʻO kekahi o lākou, ʻo Exos X10 me ka mana o 10 TB, kahi kaʻa kokoke kokoke i ʻehiku mau papa magnetic i loko o kahi hale i hoʻopaʻa ʻia. A ʻoiai, no ka mea, ua hoʻonui ʻia ka hiki ke hoʻohana ʻia o ka pā mai 1429 a i 1750 GB a ʻoi aku paha, pono e hoʻonui ʻia ka wikiwiki o ke komo ʻana o nā paʻakikī paʻakikī, ma kēia ʻāpana ʻo Exos X10 ʻaʻole i haʻahaʻa i ka 14 TB BarraCuda Pro e like me. nā kikoʻī o nā drive ʻelua. ʻAʻole i hoʻohui ʻia kekahi mea i nā kikoʻī o Seagate hard drive, akā loaʻa iā mākou ka manawa e ʻike i nā mea āpau ma ka hana.
I mea e hoʻonui ai i ka wikiwiki o nā hana komo ʻole, ua hoʻomohala ʻia ka moʻo Exos i kahi AWC (Advanced Write Caching) kākau caching mechanical, e hōʻemi ana i ka manawa pane. Ma lalo o AWC, ua hui pū ʻia nā mea kākau i loko o kahi paʻa DRAM e like me lākou i loko o nā kīʻaha paʻa ʻē aʻe, akā mālama ka buffer i kope o ka ʻikepili ma hope o ka hoʻokuʻu ʻia ʻana i ka pā, a hiki ke heluhelu koke ʻia nā mea o ka pahu aniani e ka mea hoʻokipa. mea hooponopono. IN Aia ka 2,5-inch AWC form factor i ka pae wikiwiki aʻe - nā wahi i mālama ʻia ma ka ʻili o nā papa, kahi i kākau ʻia ai ka ʻikepili mai DRAM ma ke ʻano sequential (Media Cache), a me kahi liʻiliʻi o ka hoʻomanaʻo ʻole-volatile no ka hoʻopakele ʻana i ka ʻikepili. mai ka pale i ka hopena o ka mana. Akā ʻaʻohe hoʻomanaʻo flash i ka Exos X10, a malia paha ʻo Media Cache me ia.
Ke hoʻohālikelike ʻia i nā mea hoʻohana paʻakikī no nā kamepiula desktop a me NAS, ʻike ʻia nā drive series Exos e ka MTBF kiʻekiʻe (2,5 miliona mau hola) a me ka hoʻolālā hoʻolālā (550 TB / makahiki), ka hiki ke hana i loko o kahi kikowaena kikowaena me ka ʻole o ka palena o ka helu o nā hīnaʻi. a he ʻelima mau makahiki lawelawe. ʻO ka paʻakikī paʻakikī me ka helu hiʻohiʻona ST10000NM0016, i loaʻa iā mākou no ka hoʻāʻo ʻana, no ka Hyperscale modifications, nona ka mana haʻahaʻa haʻahaʻa i hoʻohālikelike ʻia me nā lālā ʻē aʻe o ka ʻohana Exos, akā loaʻa wale me kahi interface SATA a me ka hoʻohālikelike ʻana o nā māhele 512-byte. . I ka hoʻonohonoho ʻana me kahi mea hoʻohui SAS, loaʻa i nā hiʻohiʻona Exos nā koho me ke komo ʻana i nā ʻāpana 4 KB, a me ka hoʻopiʻi ʻana i ka disk piha.
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Ua hōʻike hou ʻia ka paʻakikī Seagate IronWolf nā ʻelele hou o kēia brand me kahi Seagate SSD no ka mālama pūnaewele. Hōʻike ʻia ka hiʻohiʻona 12-terabyte IronWolf me nā pā me ka nui o ka hoʻolālā kino like me ka Exos X10, aia wale nō hoʻokahi o lākou. Eia nō naʻe, manaʻo ʻo Seagate i ka hana o kāna brainchild ma ke kaʻina heluhelu a kākau ʻana i nā hana haʻahaʻa haʻahaʻa loa - ʻo 210 MB/s wale nō. A ʻaʻohe ʻenehana paʻakikī i manaʻo ʻia e uku no ka latency pane kiʻekiʻe i loaʻa i nā drive magnetic.
Akā ʻo nā mea paʻakikī IronWolf āpau, e hoʻomaka ana me ka mana o 4 TB, ua hōʻaiʻē i kekahi mau hiʻohiʻona ʻenehana mai ka moʻo Exos e hoʻonui ai i ka hoʻomanawanui hewa. Hoʻohālikelike ʻia ka poloka platter magnetic o kēlā me kēia pahu paʻa i nā mokulele ʻelua, a ʻo nā mea ʻike haʻalulu rotational e hōʻoia i ka hana paʻa i nā ʻōnaehana mālama mauna a i ʻole NAS kū hoʻokahi me nā pahu diski ʻewalu. Hoʻolālā ʻia ʻo IronWolf no nā kūlana hana maʻalahi me kahi hoʻolālā hoʻolālā o 180 TB/makahiki a he MTBF o 1 miliona mau hola. ʻO ka hopena, ʻaʻole lōʻihi ka lōʻihi o ka manawa hoʻopaʻa no IronWolf e like me nā hiʻohiʻona koʻikoʻi ma ka papa inoa Seagate - ʻekolu makahiki.
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Ma lalo o ka hōʻailona S300, ua hoʻokuʻu ka hui Iapana ʻo Toshiba i kahi ʻano o nā drive no nā ʻōnaehana nānā wikiō - ua hoʻolaʻa pū ʻia kēia mau paʻakikī paʻakikī i kā lākou iho. ma nā ʻaoʻao o 3DNews. Ma ka hoʻonui ʻana i ka protocol transfer data ATA Streaming Command Set, ʻo nā hiʻohiʻona kahiko ʻo Toshiba S300 e hōʻoiaʻiʻo i ka hoʻopaʻa wikiō like ʻana mai 64 mau kāmela kiaʻi, akā ma kā lākou kumu he mau drive maʻamau no NAS a me DAS me ka hiki ke hana 24/7 a me kahi MTBF maikaʻi: e like me IronWolf, he 1 miliona mau hola, a ʻo ka manawa o ka palapala hōʻoia he ʻekolu mau makahiki like. Mahalo i nā pono hoʻolālā o ka S300 chassis - ʻelua ʻaoʻao spindle kau ʻana a me ka hoʻoikaika ʻana i ka vibration rotational uku - hiki ke hoʻokomo i nā mea ʻoi aku ma mua o ʻewalu o kēia mau mea hana i loko o kahi pā hoʻokahi a i ʻole NAS kū ʻole.
ʻO ke kumu hoʻohālike S300, i koho ʻia no ka hoʻohālikelike ʻana me nā huahana hou me ka mana o 14-16 TB, ua kūkulu ʻia ma luna o ka chassis hardware o MD06ACA-V server drive a loaʻa i ʻehiku mau papa magnetic, a ʻo nā kikoʻī kikoʻī e hōʻike i ka wikiwiki heluhelu/kākau o 248. MB/s, maʻamau no nā HDD mana nui o kēia wā. Akā ʻo nā ʻano hana i hoʻohana ʻia ma Toshiba server hard drive e hōʻemi i ka latency, ʻo ka S300 wale nō ka hana Dynamic Cache.
ʻAʻole like me nā mea hoʻāʻo ʻē aʻe a pau, ʻo ka S300, ʻoiai me ka puʻupuʻu paʻa o ʻehiku mau papa, hana ʻole me ka helium a waiho ʻia i loko o kahi pahu ventilated maʻamau. Me he mea lā no kēia kumu i loaʻa i ka 10 terabyte kŘkohu ka waiwai hoʻohana mana kiʻekiʻe loa i ka papa hōʻuluʻulu o nā kikoʻī o ka poʻe i komo i ka hoʻāʻo, a ʻo kēia ʻāpana, ʻoiai ʻo ia iho he mea nui wale no nā luna kikowaena data, hoʻoholo pololei i ka mahana o ka HDD. E nānā mākou i ka mana maoli o ka S300 iā mākou iho, akā i kēia manawa e nānā mākou i kēia wahi.
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Source: 3dnews.ru