CN102236529A - Hybrid storage device with expandability, computer system and control method - Google Patents
Hybrid storage device with expandability, computer system and control method Download PDFInfo
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- CN102236529A CN102236529A CN2010101554105A CN201010155410A CN102236529A CN 102236529 A CN102236529 A CN 102236529A CN 2010101554105 A CN2010101554105 A CN 2010101554105A CN 201010155410 A CN201010155410 A CN 201010155410A CN 102236529 A CN102236529 A CN 102236529A
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Abstract
The invention provides a hybrid storage device with expandability, a computer system and a control method. The hybrid storage device with the expandability is used for the computer system, and comprises a first storage unit, an expanded storage device and a selection unit, wherein the first storage unit is coupled to the selection unit by a first data transmission interface; the expanded storage device comprises a disk controller and a second storage unit which is coupled to the disk controller by a second data transmission interface; the selection unit is used for selectively connecting the first storage unit to a south bridge circuit or the expanded storage device; and when the expanded storage device is connected to the computer system, the selection unit switches the connection of the first storage unit to the expanded storage device, so that the disk controller can perform access control on the first storage unit or the second storage unit.
Description
Technical field
The present invention relates to a kind of hybrid storage device and relative computer system and control method, but particularly relate to hybrid storage device and relative computer system and control method that a kind of elasticity expands.
Background technology
Storage device is being played the part of very important role in computer system, no matter be that general numerical data or various application data all must be stored in the storage device, so that utilization.(Hard Disk Drive HDD) has the low-cost characteristics of writing speed faster that reach to traditional hard disk unit, and therefore, traditional hard disk unit is one of storage device commonly used at present.Yet, because traditional hard disk unit is when the read-write running, must high speed rotating disk dish and in conjunction with the moving of read/write head, so certainly will expend more electric energy, more need spend the more time simultaneously required data read could be come out.Therefore, when computer system was carried out start, if adopt traditional hard disk unit, regular meeting was slow excessively because of reading speed, and caused the overlong time of starting shooting, and caused user's inconvenience.
Compared to traditional hard disk unit, take semiconductor process techniques solid state hard disc (Solid StateDrive, SSD) the read-write framework of applying electronic formula, and do not have mechanical structure fully, thereby, have low power consumption and do not need the advantage of mechanical type action.Yet,, still can't replace traditional hard disk unit at present comprehensively and be widely used in the general computer system because the manufacturing cost of solid state hard disc is high relatively poor with durability (restriction of read-write number of times).
Therefore, prior art proposes a kind of hybrid hard disk in conjunction with traditional hard disk unit and solid state hard disc, is applied in the general computer system.Please refer to Fig. 1, Fig. 1 is the synoptic diagram of existing one hybrid hard disk unit 10.Hybrid hard disk unit 10 comprises a Magnetic Disk Controller 102, a solid state hard disc 104 and a conventional hard 106.Solid state hard disc 104 carries out communication by string type transmission interface 108,110 and Magnetic Disk Controller 102 respectively with conventional hard 106, and Magnetic Disk Controller 102 then carries out the transmission procedure of data by a string type transmission interface 112 and the south bridge circuit of computer system.In hybrid hard disk unit 10, via the control of Magnetic Disk Controller 102, computer system can effectively be used the characteristic of different storing devices.For instance, when storage data, can utilize conventional hard 106 to write data, and binding data is synchronously to solid state hard disc 104; And when reading of data, control comes reading of data by solid state hard disc 104.Therefore, when computer system in when start, provide by solid state hard disc 104 and to read required application program, and conventional hard 106 to be read such as do not need, startup that just can the complete operation system.In other words,, except can reducing start power consumption, more do not need the tediously long data read time, and can effectively promote the speed of start by hybrid hard disk unit 10.On the other hand, in order to accelerate the on time, prior art is quickened the access speed of storage device also by software mode.
Yet, the product of present hybrid hard disk mainly is that traditional hard disk unit and solid state hard disc are arranged on the same hardware product, can't elasticity use for the user, and can only use with regard to existing hybrid hard disk product, and can't carry out any expansion configuration, and for the original user who has the conventional hard device, for realizing the purpose of hybrid hard disk, still must again purchase the aforementioned hard disk unit that combines more, thus, the user for the desire upgrading will increase extra upgrade cost.In addition, if prior art is accelerated the access speed of storage device by software mode, more will increase the burden of system widely.In brief, in the prior art, but the framework of still not holding concurrently original advantage as yet for this hybrid solid state hard disc proposition elasticity configuration, therefore, it is a problem extremely to be solved.
Summary of the invention
Therefore, the present invention mainly is to provide a kind of hybrid storage device and relative computer system and control method of tool expandability.
The present invention discloses a kind of hybrid storage device of tool expandability, is used for a computer system, includes one first storage element, is coupled to a selected cell via one first data transmission interface; One expands storage device, includes a Magnetic Disk Controller; And one second storage element, be coupled to this Magnetic Disk Controller via one second data transmission interface; An and selected cell, be coupled to a south bridge circuit and this expansion storage device of this computer system respectively via one the 3rd data transmission interface and one the 4th data transmission interface, be used for optionally this first storage element being linked to maybe this expansion storage device of this south bridge circuit; Wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this expansion storage device with this first storage element switching, so that this Magnetic Disk Controller carries out access control to this first storage element or this second storage element.
The present invention also discloses a kind of computer system, includes a central processing unit, is used for controlling the running of this computer system; One north bridge circuit is coupled to this central processing unit, is used for handling the exchanges data between central processing unit and associated component; One south bridge circuit is coupled to this north bridge circuit, is used for carrying out exchanges data via this north bridge circuit and this central processing unit; One first storage element is coupled to a selected cell via one first data transmission interface; One expands storage device, includes: a Magnetic Disk Controller; And one second storage element, be coupled to this Magnetic Disk Controller via one second data transmission interface; And a selected cell, be coupled to this south bridge circuit and this expansion storage device via one the 3rd data transmission interface and one the 4th data transmission interface respectively, be used for optionally this first storage element being linked to maybe this expansion storage device of this south bridge circuit; Wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this expansion storage device with this first storage element switching, so that this Magnetic Disk Controller carries out access control to this first storage element or this second storage element.
The present invention also discloses a kind of control method of hybrid storage device, is used for a computer system, and this control method includes the connecting state that detects an expansion storage device; When this expansion storage device is linked to this computer system, one selected cell switches one first storage element and is linked to this expansion storage device so that a Magnetic Disk Controller to this first storage element maybe one second storage element of this expansion storage device carry out access control; And in this expansion storage device when this computer system removes, this selected cell switches this first storage element and is linked to a south bridge circuit, so that this south bridge circuit of this computer system carries out access control to this first storage element.
Description of drawings
Fig. 1 is the synoptic diagram of an existing hybrid hard disk unit.
Fig. 2 is the synoptic diagram of a computer system of the embodiment of the invention.
Fig. 3 is the synoptic diagram of alternate embodiment of the computer system of Fig. 2.
Fig. 4 is the synoptic diagram of alternate embodiment of the computer system of Fig. 2.
Fig. 5 is the synoptic diagram of a flow process of the embodiment of the invention.
The reference numeral explanation
10 hybrid hard disk units
102,214 Magnetic Disk Controllers
104 solid state hard discs
106 conventional hard
108,110,112 string type transmission interfaces
20 computer systems
202 central processing units
204 north bridge circuits
206 south bridge circuits
208 first storage elements
210 expand storage device
212 selected cells
216 second storage elements
218,220,222,224,226 data transmission interfaces
302 bridges
304 solid-state hard disk controllers
402 data transmission connectors
50 flow processs
502,504,506,508,510 steps
MLC1, MLC2 flash memory
Embodiment
Please refer to Fig. 2, Fig. 2 is the synoptic diagram of the embodiment of the invention one computer system 20.Computer system 20 can be a mobile computer or a personal computer, but not as limit.Computer system 20 includes a central processing unit 202, a north bridge circuit 204, a south bridge circuit 206, one first storage element 208, an expansion storage device 210 and a selected cell 212.Wherein, central processing unit 202 is used for the running of control computer system 20, with each assembly in the integration computer system 20, and then realizes the allomeric function of computer system 20.North bridge circuit 204 is coupled to central processing unit 202, is used for handling the exchanges data between central processing unit 202 and associated component.South bridge circuit 206 is coupled to north bridge circuit 204, is used for carrying out exchanges data via north bridge circuit 204 and central processing unit 202, and access first storage element 208 or expand the stored data of storage device 210.Expand storage device 210 and include a Magnetic Disk Controller 214 and one second storage element 216.Preferably, first storage element 208 includes a hard disk unit, and second storage element 216 includes a Ssd apparatus, but not as limit.In addition, as shown in Figure 2, first storage element 208 is coupled to selected cell 212, the second storage elements 216 via data transmission interface 218 and is coupled to Magnetic Disk Controller 214 via data transmission interface 220, and Magnetic Disk Controller 214 is coupled to south bridge circuit 206 via data transmission interface 226.In addition, selected cell 212 is coupled to south bridge circuit 206 and expands storage device 210 via data transmission interface 222 and data transmission interface 224 respectively, is used for optionally first storage element 208 being linked to south bridge circuit 206 or expands storage device 210.
When expanding storage device 210 and not being linked to computer system 20 as yet maybe when expansion storage device 210 when computer system 20 removes, selected cell 210 conducting data transmission interfaces 222 and data transmission interface 218 make first storage element 208 be connected to south bridge circuit 206 via data transmission interface 222 and data transmission interface 218.In the case, but the data on south bridge circuit 206 accesses first storage element 208.When expansion storage device 210 is linked to computer system 20, selected cell 210 conducting data transmission interfaces 224 and data transmission interface 218, so that being switched to be linked to, first storage element 208 expands storage device 210, make 214 pairs first storage elements 208 of Magnetic Disk Controller or second storage element 216 carry out access control, thus, south bridge circuit 206 can come data on access first storage element 208 or second storage element 216 by data transmission interface 226 and Magnetic Disk Controller 214.In other words, by the switching controls of selected cell 212, when expansion storage device 210 was not linked to computer system 20, computer system 20 can be via 206 pairs first storage element 208 access datas of south bridge circuit; When expansion storage device 210 was linked to computer system 20, computer system 20 can be via 206 pairs first storage elements 208 of south bridge circuit or second storage element, 216 access datas.
Therefore, but the invention provides the storage device that elasticity expands, to solve the demand of computer system for hybrid storage device.When general the use, the user can only use original hard disk unit, and in case when the user has other demand (when for example desiring to carry out quick turn-on), only need link upward computer system 20 with expansion storage device 210, and the function of hybrid storage device just can be provided.In addition, at the existing user who uses conventional hard, can provide the user easily its storage device to be expanded by expansion storage device 210 of the present invention upgrades to hybrid hard disk function, does not remove to buy the hybrid hard disk that includes conventional hard and solid state hard disc and need not expend more costs.
Further specify, selected cell 212 is mainly used to switch the object of connection of selecting first storage element 208.Preferably, selected cell 212 can be a multiplexer or switch.In the present invention, selected cell 212 is to carry out corresponding change action according to the connecting state that expands storage device 210.For instance, can detect the connecting state that expands storage device 210 by a Basic Input or Output System (BIOS) (BIOS) of computer system, and control selected cell 212 according to this and carry out corresponding change action.On the other hand, expand storage device 210 and can be used as the platform that expands storage device, the user can be according to the hybrid hard disk type of institute's desire integration, and the Ssd apparatus that desire is expanded is arranged at expansion storage device 210.Certainly, the institute that expands second storage element 216 in the storage device 210 comprises kind and the quantity of storage device and is regardless of, on user demand with design consideration and decide.For instance, second storage element 216 can be a nand flash memory, a NOR flash memory, a synchronous dynamic RAM or other relevant volatibility (or non-volatile) storer and combination thereof.
Be noted that Fig. 2 is an explanation notion of the present invention, those skilled in the art can do suitable variation according to system requirements.For instance, as shown in Figure 3, computer system 20 can also comprise a bridge 302.Bridge 302 is coupled between selected cell 212 and the data transmission interface 224, be used for when selected cell 212 is linked to Magnetic Disk Controller 214 with 208 switchings of first storage element data of being transmitted on bridge data transmission interface 218 and the data transmission interface 224.And bridge 302 directly is coupled to Magnetic Disk Controller 214 by data transmission interface 224.For instance, tentation data transmission interface 218,222 is respectively additional (the Serial AdvancedTechnology Attachment of a serial advanced technology, SATA) transmission interface, data transmission interface 224,226 is respectively a peripheral device interconnection high-speed (Peripheral Component Interconnect Express, PCIe) transmission interface.Because data transmission interface 218 is not the transmission interface of identical type with data transmission interface 224, therefore by bridge 302 with data transmission interface 218 and data transmission interface 224 bridge joints, to carry out data transmission.In conjunction with the application of peripheral device interconnection high-speed transmission interface, expanding storage device 210 is a PCIe mini-card.Simultaneously, second storage element 216 is that (Multi-level Cell, flash memory MLC) is realized with a multiple field memory structure.As shown in Figure 3, second storage element 216 includes a solid-state hard disk controller 304 and flash memory MLC1, MLC2.When computer system 20 detects when expanding storage device 210 and being linked to computer system 20, computer system 20 can control selected cells 212 be switched first storage element 208 be linked to Magnetic Disk Controller 214.For example, when the Basic Input or Output System (BIOS) of computer system 20 detects when expanding storage device 210 and being linked to computer system 20, Basic Input or Output System (BIOS) can produce a controlling signal and control selected cell 212, and selected cell 212 is the binding of 224 of conducting data transmission interface 218, bridge 302 and data transmission interfaces according to this just.In the case, Magnetic Disk Controller 214 is responsible for control to first storage element 208 or second storage element, 216 access datas.In other words, no matter desire is to first storage element 208 or second storage element, 216 access datas, all need pass through Magnetic Disk Controller 214.Simultaneously, south bridge circuit 206 just can be by data transmission interface 226 from the required data of Magnetic Disk Controller 214 accesses.
In addition, as shown in Figure 4, expand storage device 210 and comprise a data transmission connector 402, be coupled to Magnetic Disk Controller 214, and couple via data transmission interface 224 and selected cell 212.Data transmission connector 402 can be used to receive or transmit the data of being transmitted via data transmission interface 218 corresponding to data transmission interface 218.When computer system 20 detects when expanding storage device 210 and being linked to computer system 20, computer system 20 can control selected cells 212 be switched first storage element 208 be linked to Magnetic Disk Controller 214.That is to say, selected cell 212 meeting conducting data transmission interfaces 218 and data transmission interface 224, to realize the binding of 402 of first storage element 208 and data transmission connectors, thus, Magnetic Disk Controller 214 may command are to the access of first storage element 208 and second storage element 216.Therefore, when user's desire promotes starting up speed, can add computer system 20 by expanding storage device 210, and, when boot program, by the Magnetic Disk Controller 214 control operating system application program relevant, read fast realizing, and reach the function of hybrid storage device 216 accesses of second storage element.
Be noted that and do different variations according to this computer system 20 those skilled in the art.For instance, expand storage device 210 and can include an apparatus platform,, be used for being provided with the Magnetic Disk Controller 214 and second storage element 216 as the PCIe mini-card.Data transmission interface 218～226 can be any data transmission interface that is used for transmitting data, and certainly, its kind and specification are then looked design requirement, and can do different variations according to this.
Please refer to Fig. 5, Fig. 5 is the synoptic diagram of a flow process 50 of the computer system 20 of the embodiment of the invention.Wherein flow process 50 is used for realizing an operating process of aforementioned calculation machine system 20, and it includes the following step:
Step 502: beginning.
Step 504: detect the connecting state that expands storage device 210.
Step 506: when expansion storage device 210 is linked to computer system 20, selected cell 212 is linked to 208 switchings of first storage element and expands storage device 210, so that second storage element 216 of 214 pairs first storage elements 208 of Magnetic Disk Controller or expansion storage device 210 carries out access control.
Step 508: in expanding storage device 210 when computer system 20 removes, selected cell 212 is linked to south bridge circuit 206 with 208 switchings of first storage element, so that 206 pairs first storage elements of the south bridge circuit of computer system 20 208 carry out access control.
Step 510: finish.
In addition, second storage element 216 that no matter expands in the storage device 210 is any kind of or quantity, connect upward computer system 20 as long as expand storage device 210, the present invention all can utilize the switching mode of selected cell 212, expands purpose to realize the elasticity of mixing storage device.
In sum, but the invention provides the expansion storage device 210 that elasticity expands, and the switching of collocation selected cell 212, realize the demand of computer system 20 for hybrid storage device.When general the use, the user can only use original hard disk unit, and in case when the user has demand (when for example desiring to carry out quick turn-on), only need expansion storage device 210 is linked upward computer system 20, the function of hybrid storage device just can be provided, thus, the present invention goes back the elasticity of retention system design except the advantage that hybrid storage device can be provided.The more important thing is, at the existing user who uses conventional hard, can provide the user easily its storage device to be expanded by expansion storage device 210 of the present invention and upgrade to hybrid hard disk function, and need not expend excessive cost, can have and take into account hybrid storage device low-cost and high-effect performance.The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (26)
1. the hybrid storage device of a tool expandability is used for a computer system, includes:
One first storage element is coupled to a selected cell via one first data transmission interface;
One expands storage device, includes:
One Magnetic Disk Controller; And
One second storage element is coupled to this Magnetic Disk Controller via one second data transmission interface; And
One selected cell, be coupled to a south bridge circuit and this expansion storage device of this computer system respectively via one the 3rd data transmission interface and one the 4th data transmission interface, be used for optionally this first storage element being linked to maybe this expansion storage device of this south bridge circuit;
Wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this expansion storage device with this first storage element switching, so that this Magnetic Disk Controller carries out access control to this first storage element or this second storage element.
2. hybrid storage device as claimed in claim 1, wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this Magnetic Disk Controller with this first storage element switching.
3. hybrid storage device as claimed in claim 2, it also comprises a bridge, be coupled between this selected cell and the 4th data transmission interface, be used for when this selected cell is linked to this Magnetic Disk Controller with this first storage element switching the data of being transmitted on this first data transmission interface of bridge joint and the 4th data transmission interface.
4. hybrid storage device as claimed in claim 1, wherein this expansion storage device also includes a data transmission connector, corresponding to this first data transmission interface, and is coupled to this Magnetic Disk Controller.
5. hybrid storage device as claimed in claim 4, wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this data transmission connector via this first data transmission interface and the 4th data transmission interface with this first storage element switching.
6. hybrid storage device as claimed in claim 1, when this computer system removed, this selected cell was linked to this south bridge circuit via the 3rd data transmission interface with this first storage element switching in this expansion storage device.
7. hybrid storage device as claimed in claim 1, wherein this Magnetic Disk Controller is coupled to a south bridge circuit of this computer system via one the 5th data transmission interface.
8. hybrid storage device as claimed in claim 1, wherein this first storage element includes a hard disk unit.
9. hybrid storage device as claimed in claim 1, wherein this second storage element includes a Ssd apparatus.
10. hybrid storage device as claimed in claim 1, wherein this expansion storage device includes a peripheral device interconnection high-speed mini-card, wherein this Magnetic Disk Controller and second storage element system is arranged on this peripheral device interconnection high-speed mini-card, and the 4th data transmission interface is a peripheral device interconnection high-speed transmission interface.
11. a computer system includes:
One central processing unit is used for controlling the running of this computer system;
One north bridge circuit is coupled to this central processing unit, is used for handling the exchanges data between this central processing unit and associated component;
One south bridge circuit is coupled to this north bridge circuit, is used for carrying out exchanges data via this north bridge circuit and this central processing unit;
One first storage element is coupled to a selected cell via one first data transmission interface;
One expands storage device, includes:
One Magnetic Disk Controller; And
One second storage element is coupled to this Magnetic Disk Controller via one second data transmission interface; And
One selected cell is coupled to this south bridge circuit and this expansion storage device via one the 3rd data transmission interface and one the 4th data transmission interface respectively, is used for optionally this first storage element being linked to maybe this expansion storage device of this south bridge circuit;
Wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this expansion storage device with this first storage element switching, so that this Magnetic Disk Controller carries out access control to this first storage element or this second storage element.
12. computer system as claimed in claim 11, wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this Magnetic Disk Controller with this first storage element switching.
13. computer system as claimed in claim 12, it also comprises a bridge, be coupled between this selected cell and the 4th data transmission interface, be used for when this selected cell is linked to this Magnetic Disk Controller with this first storage element switching the data of being transmitted on this first data transmission interface of bridge joint and the 4th data transmission interface.
14. computer system as claimed in claim 11, wherein this expansion storage device also includes a data transmission connector, corresponding to this first data transmission interface, and is coupled to this Magnetic Disk Controller.
15. computer system as claimed in claim 14, wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this data transmission connector via this first data transmission interface and the 4th data transmission interface with this first storage element switching.
16. computer system as claimed in claim 11, when this computer system removed, this selected cell was linked to this south bridge circuit via the 3rd data transmission interface with this first storage element switching in this expansion storage device.
17. computer system as claimed in claim 11, wherein this Magnetic Disk Controller is coupled to this south bridge circuit via one the 5th data transmission interface.
18. as the computer system that claim 11 is stated, wherein this first storage element includes a hard disk unit.
19. computer system as claimed in claim 11, wherein this second storage element includes a Ssd apparatus.
20. computer system as claimed in claim 11, wherein this expansion storage device includes a peripheral device interconnection high-speed mini-card, wherein this Magnetic Disk Controller and second storage element are arranged on this peripheral device interconnection high-speed mini-card, and the 4th data transmission interface is a peripheral device interconnection high-speed transmission interface.
21. the control method of a hybrid storage device is used for a computer system, this control method includes:
Detect the connecting state of an expansion storage device;
When this expansion storage device is linked to this computer system, one selected cell switches one first storage element and is linked to this expansion storage device so that a Magnetic Disk Controller to this first storage element maybe one second storage element of this expansion storage device carry out access control; And
When this computer system removed, this selected cell was linked to a south bridge circuit with this first storage element switching, so that this south bridge circuit of this computer system carries out access control to this first storage element in this expansion storage device.
22. control method as claimed in claim 21, wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this Magnetic Disk Controller with this first storage element switching.
23. control method as claimed in claim 21, wherein this expansion storage device also includes a data transmission connector, corresponding to one first data transmission interface, and is coupled to this Magnetic Disk Controller.
24. control method as claimed in claim 24, wherein when this expansion storage device was linked to this computer system, this selected cell was linked to this data transmission connector with this first storage element switching.
25. as the computer system that claim 21 is stated, wherein this first storage element includes a hard disk unit.
26. computer system as claimed in claim 21, wherein this second storage element includes a Ssd apparatus.
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| CN2010101554105A CN102236529A (en) | 2010-04-26 | 2010-04-26 | Hybrid storage device with expandability, computer system and control method |
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| CN2010101554105A CN102236529A (en) | 2010-04-26 | 2010-04-26 | Hybrid storage device with expandability, computer system and control method |
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| CN113742281A (en) * | 2021-09-08 | 2021-12-03 | 英业达科技有限公司 | Server system with bandwidth switching function |
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Application publication date: 20111109 |