Maqaalkani waxa uu ka hadlayaa Solid State Hybrid Hard Drives ( SSHD ), sida ay u shaqeeyaan iyo waa maxay faa'iidooyinka, sifooyinkooda si loo arko haddii aad rabto mid. Hadda waxaan ognahay in kaydinta nidaamka guud ahaan la dhigo inta u dhaxaysa RAM iyo CPU si loo hayo xogta dhowaan la keenay si loo sii isticmaalo. Tani waxay badbaadinaysaa wakhti, xisaabintuna aad ayay u dheeraysaa. Hybrid Drive-yada sidoo kale waxay isticmaalaan kayd laakiin taasi waxay u dhaxaysaa Hard Disk Drive^{(Hard Disk Drives)} -yada iyo RAM (marka laga reebo kaydka u dhexeeya RAM iyo CPU ).

Waa maxay Hybrid Hard Drive (SSHD)

Dabayaaqadii ilaa 2012, warshadeeyayaashu waxay samaynayeen HDD-yada^(HDDs) ( Hard Disk Drives ) ama SSD^(SSDs) -yada ( Solid State Drives ) ama labadaba waxayna u kala ilaalinayeen isticmaalka kombuyuutarrada. Hard Disk^{(Hard Disk Drives)} -yada waxay ahaayeen kuwo joogto ah, laakiin leh xaddi badan oo kayd ah oo weli aad u jaban marka la barbar dhigo kuwa adag^{(Solid State Drives)} . SSD-yada^(SSDs) waxaa sidoo kale loo yaqaan " Solid State Disks" mararka qaarkood (laakin ma jiro disk gudaha ah). Gudaha SSD waa wareeg isku dhafan oo isku dhafan kaas oo kaydiya xogta xitaa marka aysan jirin awood. Ma jiro wax farsamo ah oo ku lug leh sida Hard Disk^{(Hard Disks)} -yada , sidaas awgeed, waxay badbaadinaysaa wakhtiga soo celinta iyo qorista xogta.

Hybrid Drive ( SSHD )^(SSHD) waa isku darka Hard Disk Drive -ka ( HDD ) iyo A Solid State Drive ( SSD ) oo kan dambe u dhaqmayo sidii kayd ahaan halkii uu ka ahaan lahaa kayd kayd. Firmware-keedu waxa uu hubinayaa waxa xogta xogta loo soo "qaadanayo" si isdaba joog ah waxayna ku kaydisaa xogtaas qaybta SSD ee Hybrid Drive si marka xigta ee CPU u baahdo, xogta ku nool qaybta SSD si degdeg ah ayaa loo bixin karaa. Sidaa darteed, Hybrid Drive -ku asal ahaan waa Hard Disk-ga oo wata kaydka nooca adag ee State Drive^{(Solid State Drive)} -ka si loo badbaadiyo wakhtiga hawlgallada “qaadista”.

FIIRO GAAR AH:^(NOTE:) Hawlgalka "qaadista" wuxuu ku lug leeyahay hubinta saxanadaha, raadadka, iyo qaybaha xogta loo baahan yahay, u wareejinta madaxyada magnetic HDD ilaa meeshaas iyo ururinta xogta loo baahan yahay. Waxaa ka mid ah hawlgalka "akhri" halkaasoo xogta loo baahan yahay, laga dhigay inay ka hoos maraan madaxyada saxanka HDD^(HDD) si loogu isticmaalo "fetch". Si kale haddii loo dhigo, "qaado" waxay si fudud u keenaysaa xogta uu u baahan yahay CPU .

Fiiri deg deg ah HDD vs SSD

Darawalada adag ee Gobolka^{(Solid State Drives)(Solid State Drives)} , sidaan horay u soo aragnay, waxaa sidoo kale loo yaqaan Harid State Disks^{(Solid State Disks)} , inkastoo aysan jirin wax disk ah oo ku lug leh. Habka dhismaha ee HDD iyo SSD labaduba way kala duwan yihiin. HDD asal ahaanwaa makaanik. Waxay ku lug leedahay tiro ka mid ah saxanadaha birlabeedka halkaas oo xogta lagu kaydiyo qaab xagashada si loo calaamadiyo lambarrada binary (0 iyo 1). Saxan kasta oo magnetic wuxuu leeyahay hal ama laba "madax" si loo akhriyo/qoro xogta. Tirada madax ee disk kasta waxay ku xiran tahay in saxanku yahay mid la isticmaali karo labada dhinacba. Hadday haa tahay, markaa waxaa jira laba madax oo kale hal disk kasta.

Iyadoo SSDs , ma jiraan madax ku lug leh, ama baahida loo qabo in la beddelo saxanadaha. Marka la soo koobo, waxaa jira waxqabadyo farsamo oo aan sinaba u fiicnayn sidaa darteed xawaaraha wax-akhrinta/qorista ayaa aad uga dheereeya marka loo eego kuwa caadiga ah ee Hard Disk^{(Hard Disks)} -yada . SSD^(SSDs) -yadu waxay leeyihiin wareeg adag oo kaydiya nambarada binary-ga ee matalaya xogta lagu kaydiyay gudaha. Wareeggu wuxuu "qaadaa" xogta isla markiiba si ka duwan HDD halkaasoo saxannada ay ahayd in la beddelo ka hor inta aan la helin xogta.

Sida cad, SSD^(SSDs) -yadu waa qaali marka la barbar dhigo HDD-yada^(HDDs) . Haddii aad u baahan tahay ficilada degdega ah sida ciyaaraha, SSD^(SSDs) -yadu way kuu fiican yihiin oo haddii aad u baahan tahay meel kaydinta badan iyo celceliska xawaaruhu waa caadi, sida markaad ku shaqeyneyso software-ka tafatirka fiidiyowga, Hard Drives ayaa ka fiican.

Akhrinta Xogta^(Data) Isku - dhafka Drive-Waqtiga Badbaadinta^{(Hybrid Drive – Saving Time)}

Hadda, waad garanaysaa sida xogta loogu akhriyo HDD iyo SSD . Isku dhafkan ayaa lagu dabaqayaa akhrinta xogta Hybrid Disk^{(Hybrid Disks)} -yada kuwaas oo ah Hard Disk^{(Hard Disks)} -yada caadiga ah oo leh xoogaa SSD ah . Firmware ayaa lagu daraa naqshadeynta. Firmware-kani waxa uu isha ku hayaa waxa xogta si joogto ah loogu “helo” kombuyuutarka. Xogta joogtada ah waxay ku kaydsan tahay SSD si marka xigta uu CPU u baahdo, Hard Disk-gu uma baahna in uu wareego. Taa baddalkeeda, xogta waxaa laga bixiyaa qaybta SSD ee Hybrid Drive .

Tani waxay u badan tahay sida akhrinta xogta RAM si toos ah - looma baahna in la raadiyo diskka, raadraaca, qaybaha iyo wareejinta diskka si loo "akhriyo" xogta. Asal ahaan, qaybaha OS waxay aad ugu dhowdahay in lagu kaydiyo SSD^(SSDs) -yada marka lagu daro barnaamijyada sida joogtada ah loo isticmaalo.

Marka ugu horraysa ee aad akhrido xogta ku jirta Drive-ka Hybrid , ma noqon doonto mid dhakhso badan. Si kastaba ha noqotee, markaad sii wadato isticmaalka Hybrid Drive, firmware-ku wuxuu fahmayaa xogta inta badan la isticmaalo wuxuuna ka dhigaa mid dhakhso badan oo lagu qanci karo.

Marka la soo koobo, Hybrid Drives waa kuwa cusub laakiin caan ka ah SSDs maadaama kuwa dambe lagu qiimeeyay qaali xilligan. Dadka u baahan meelo kaydineed oo waaweyn iyo xoogaa xawli dheeri ah ayaa laga yaabaa inay aadaan aaladda kaydinta noocaan ah.

Tani waxay sharxaysaa waxa uu yahay Hybrid Drive waxaanan rajaynayaa in si faahfaahsan loo sharaxo. Haddii aad wax fikrad ah hayso, fadlan faallo ka bixi.

Berrito waxaan si faahfaahsan u eegi doonaa Hybrid Drive vs SSD vs HDD .^{(Tomorrow we will take a detailed look at Hybrid Drive vs SSD vs HDD.)}

What is a Hybrid Drive? Is SSHD better than HDD or SSD?

This post talks about Solid State Hybrid Hard Drives (SSHD), how they work and what are the benefits,  their features to see if you would want one. Now we know that a cache in a system is generally placed between RAM and CPU to hold recently fetched data for further use. This saves some time and computing is faster. Hybrid drives too use a cache but that is between Hard Disk Drives and RAM (other than a cache between RAM and CPU).

What is a Hybrid Hard Drive (SSHD)

Late until 2012, manufacturers were making either HDDs (Hard Disk Drives) or SSDs (Solid State Drives) or both and kept them separate for use with computers. Hard Disk Drives were regular ones, but with huge amounts of storage space and still very cheap compared to Solid State Drives. SSDs are also called Solid State Disks sometimes (but there is no disk inside). The inside of a SSD is a complex integrated circuit that stores data even when there is no power. There is no mechanical action involved as in the Hard Disks and hence, saving of time in retrieving and writing data.

A Hybrid Drive (SSHD) is a combination of Hard Disk Drive (HDD) and a Solid State Drive (SSD) with the latter acting as a more as a cache rather than just a storage device. Its firmware checks what data sets are being “fetched” more frequently and stores those data sets on the SSD part of the Hybrid Drive so that the next time the CPU needs it, the data residing on the SSD part can be provided quicker. Thus, a Hybrid Drive is essentially a Hard Disk with Solid State Drive type cache for saving time in “fetch” operations.

NOTE: A “fetch” operation involves checking disks, tracks, and sectors for the required data, rotating the HDD’s magnetic heads to that point and gathering the required data. It includes the “read” operation where the data required, is made to pass below the HDD disk heads so that it can be used with “fetch”. In other words, “fetch” is simply fetching the data required by the CPU.

A Quick Look at HDD vs SSD

Solid State Drives, as we have seen earlier, are also called Solid State Disks, though no disks are involved.  The construction method of both HDD and SSD are different. An HDD is essentially mechanical. It involves a number of magnetic disks where data is stored in the form of scratches to mark binary digits (0 and 1). Each magnetic disk has one or two “heads” to read/write data. The number of heads per disk depends on whether the disk is usable on both sides. If yes, then there are two heads else only one per disk.

With SSDs, there are no heads involved, nor is the need to rotate disks. In short, there is nil mechanical actions so the read/write speeds are much faster compared to the normal Hard Disks. SSDs have a complex circuit that stores binary digits representing the data stored inside it. The circuit “fetches” data almost instantly unlike HDD where disks had to be rotated before accessing the data.

Obviously, SSDs are costly compared to HDDs. If you need faster actions such as with gaming, SSDs are good for you and if you need more storage space and the average speed is okay, such as while working with video editing software, Hard Drives are better.

Reading Data on Hybrid Drive – Saving Time

By now, you know how data is read on HDD and on SSD. A mix of this is applied to reading data on Hybrid Disks which are but normal Hard Disks with a bit of SSD. A firmware is added to the design. This firmware keeps an eye on what data is “fetched” more regularly on a computer. The frequent data is stored on SSD so that the next time the CPU needs it, the Hard Disk’s disks need not be rotated. Instead, the data is provided from the SSD part of the Hybrid Drive.

This is more like reading data from RAM directly – no need to trace disk, track, sectors and rotating the disk to “read” the data. Essentially, parts of OS are more likely to be stored on the SSDs in addition to the regularly used programs.

The first time you read data on a Hybrid drive, it won’t be any faster. However, as you keep using the Hybrid drive, the firmware understands the frequently used data and makes it fast enough to satisfy.

To sum up, Hybrid Drives are new but popular alternatives to SSDs as the latter are priced costly at the moment. People needing large storage spaces and some extra speed may go for this type of storage device.

This explains what is Hybrid Drive and I hope it is explained in enough detail. If you have any thoughts, please comment.

Tomorrow we will take a detailed look at Hybrid Drive vs SSD vs HDD.

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