CN102136274B - Mobile hard disk with two storage media - Google Patents
Mobile hard disk with two storage media Download PDFInfo
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- CN102136274B CN102136274B CN 200910243153 CN200910243153A CN102136274B CN 102136274 B CN102136274 B CN 102136274B CN 200910243153 CN200910243153 CN 200910243153 CN 200910243153 A CN200910243153 A CN 200910243153A CN 102136274 B CN102136274 B CN 102136274B
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Abstract
The invention discloses a mobile hard disk with two storage media. The mobile hard disk with the two storage media comprises a hard disk connected with a control module and at least one data interface communicating with a computer, and is characterized by further comprising a solid state disk (SSD) or a FLASH connected with the control module; the control module comprises a hard disk driver (HDD) control unit and an SSD control unit; the SSD or the FLASH comprises an HDD cache unit; and the HDD cache unit is used as a cache region in which the HDD of the hard disk exchanges data with an external computer. The SSD or the FLASH is arranged in the mobile hard disk and used as another storage medium besides the hard disk; by the control module, the SSD or the FLASH is used as the cache medium of the hard disk, so the data reading and writing speed of the hard disk is increased, and the storage capacity of the mobile hard disk is expanded at the same time.
Description
Technical field
The present invention relates to a kind of portable hard drive, relate in particular to a kind of portable hard drive with two kinds of storage mediums.
Background technology
Buffer memory (Cache memory) is a memory chip on the hard disk controller, has the access speed that is exceedingly fast, and it is the impact damper between hard disk storage inside and the extraneous interface.Because the internal data transfer speed of hard disk is different with extraneous interface transmission speed, is buffered in the effect of wherein playing a buffering.The size of buffer memory and speed are the key factors that is directly connected to the transmission speed of hard disk, can improve significantly the hard disk integral performance.When the harddisk access fragmentary data, need constantly swap data between hard disk and internal memory, if large buffer memory is arranged, then those fragmentary datas can be temporarily stored in the buffer memory, reduce the load of external system, also improved data transfer speed.
Hard disk controller generally selects EEPROM as the medium of buffer memory under the prior art, and the EEPROM price is very high, and the write time is very long, write very slow, and finite capacity.Along with the memory capacity of portable hard drive is increasing, alone EEPROM can have influence on the message transmission rate of portable hard drive as buffer memory.
Therefore, there is defective in prior art, needs further improvement and develops.
Summary of the invention
The object of the present invention is to provide a kind of portable hard drive with two kinds of storage mediums, make portable hard drive have larger buffer memory capacity.
Technical scheme of the present invention is as follows:
A kind of portable hard drive with two kinds of storage mediums, comprise the hard disk that is connected on the control module, be no less than a data-interface with computer communication, wherein, also comprise the SSD or the FLASH that are connected on the described control module, described control module comprises HDD control module and SSD control module, and described SSD or FLASH comprise the HDD buffer unit; Described HDD buffer unit is as the buffer area of described hard disk HDD and outer computer exchanges data.
Described portable hard drive, wherein, described SSD or FLASH also comprise storage of subscriber data unit and file system elements; Described storage of subscriber data unit is used for the storage personal data, and described file system elements is used for backing up the file system of described hard disk.
Described portable hard drive, wherein, described file system elements comprises boot sector subelement, disk Master boot sector record subelement, active partition Master boot sector subelement, FAT table subelement and root directory subelement, 3D parameter subelement and the logical organization subelement of hard disk.
Described portable hard drive, wherein, described control module comprises microcontroller, and described HDD control module and SSD control module are connected on the described microcontroller, and described control module also comprises recovery unit and the backup units that is connected on the described microcontroller; Described backup units is with the file system elements of the file system automated back-up in the described hard disk to described SSD or FLASH.
Described portable hard drive, wherein, described recovery unit comprises that boot sector recovery subelement, the leading sector record recovery of hard disk subelement, active partition Master boot sector recovery subelement, FAT table recovery subelement, root directory recover subelement, 3D parameter recovery subelement and logical organization subelement.
Described portable hard drive, wherein, described portable hard drive also comprises and is connected the recovery operation module that recovery unit connects.
Described portable hard drive, wherein, described recovery operation module comprises and is connected boot sector recovery operation module, hard disk master boot sector record recovery operation module, active partition Master boot sector recovery operation module, FAT table recovery operation module, root directory recovery operation module, 3D parameter recovery operation module and the logical organization recovery operation module of recovering the subelement connection.
Described portable hard drive, wherein, described SSD or Flash also comprise different a plurality of file system elements constantly.
Described portable hard drive, wherein, described recovery operation module comprises and the corresponding different file system recovery operational modules constantly of described different file system elements constantly.
Described portable hard drive, wherein, described SSD or FLASH comprise be connected with outer computer after automatically actuated automatic operation unit.
Described portable hard drive, wherein, described automatic operation unit comprises multimedia file broadcast subelement and multimedia file link unit; By described multimedia file link unit, but described multimedia file is play the multimedia file among the described hard disk HDD of subelement AutoLink and is play; But the multimedia file among the described described SSD of multimedia subelement AutoLink or the FLASH is also play.
Described portable hard drive, wherein, described automatic operation unit comprises the checking and killing virus subelement, and described checking and killing virus subelement is after killing virus, and described control module is controlled described hard disk again and outer computer begins exchanges data.
Described portable hard drive, wherein, described SSD or FLASH comprise security control unit.
Described portable hard drive, wherein, described security control unit comprises for the read-write control subelement of controlling with the operation of reading, write, revise, access, tabulate of computer interface.
Described portable hard drive, wherein, described security control unit comprises the authenticating user identification subelement that carries out authentication and data encrypting and deciphering.
Described portable hard drive, wherein, the file that described multimedia file link unit links only can write, delete, reads after by the authentication of authentication subelement.
Described portable hard drive, wherein, described checking and killing virus subelement can be set to only can be written at the authentication rear by the authentication subelement, thereby realizes the safety upgrade in checking and killing virus program, virus characteristic storehouse.
Described portable hard drive, wherein, described hard disk, SSD or FLASH are connected on the described control module by the sata interface respectively.
Described portable hard drive, wherein, described data-interface is USB2.0 interface, USB3.0 interface, esata interface, USB PLUS interface.
Compared with prior art, the invention provides a kind of portable hard drive with two kinds of storage mediums, in portable hard drive, added SSD or FLASH as another storage medium beyond the hard disk; Described control module improves the read or write speed of data in hard disk, the memory capacity that has expanded simultaneously portable hard drive with SSD or the FLASH buffer memory medium as hard disk.
Description of drawings
Fig. 1 is the illustrative view of functional configuration of portable hard drive of the present invention;
Fig. 2 is the structural representation of SSD of the present invention or Flash;
Fig. 3 is the structural representation of SSD of the present invention or Flash another one embodiment;
Fig. 4 is the structural representation of control module another one embodiment of the present invention;
Fig. 5 is the structural representation of first embodiment of recovery unit of the present invention;
Fig. 6 is the structural representation that the present invention recovers first embodiment of module;
Fig. 7 is the structural representation that the present invention recovers second embodiment of module.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in further detail.
Portable hard drive 100 with two kinds of storage mediums provided by the invention, as shown in Figure 1, comprise by being connected to hard disk (the HDD hard disk dirver on the control module 110, hard disk) 130, SSD (solid state disk, solid state hard disc) or FLASH 140, also comprise the data-interface 120 with computer communication that is no less than that is connected on the described control module 110.Described control module 110 comprises HDD control module 111 and SSD control module 112.Described SSD or FLASH 140 also comprise the HDD buffer unit, and described HDD buffer unit is as the buffer area of described hard disk HDD and outer computer exchanges data.Concrete, described control module 110 stores the data that read from described hard disk 130 into described HDD buffer unit, then from described HDD buffer unit reading out data and send to described data-interface 120; Perhaps, described control module 110 stores first the data that needs write described hard disk 130 into described HDD buffer unit, and then from described HDD buffer unit reading out data and be written to described hard disk 130.
The structure of SSD of the present invention or FLASH 140 comprises storage of subscriber data unit, described HDD buffer unit and file system elements as shown in Figure 2.Described storage of subscriber data unit is used for the storage personal data, comprises sound, video file etc.Described file system elements is used to the file system in the described hard disk 130 to back up.Described file system elements comprises boot sector (boot sector) subelement 131, disk Master boot sector record (MBR) subelement 132, active partition Master boot sector (MBR) subelement, FAT table subelement 134, root directory (root directory) subelement 135,3D parameter subelement 136 and logical organization subelement 137.Described 3D parameter (Disk Geometry) refers to magnetic head number (Heads), cylinder number (Cylinders), sector number (Sectors) and corresponding addressing mode.
The another one preferred embodiment of described control module 110, as described in Figure 4.Described control module 110 can comprise microcontroller 113, described HDD control module 111 and SSD control module 112 are connected on the described microcontroller 113, and described control module 110 also comprises recovery unit 114 and the backup units 115 that is connected on the described microcontroller 113.Described backup units 115 is with the file system elements of the file system automated back-up in the described hard disk 130 to described SSD or FLASH 140.File system in the hard disk of described backup comprises boot sector, disk Master boot sector record, active partition Master boot sector, FAT table, root directory, 3D parameter and logical organization etc.
File system in the described hard disk 130 is damaged because of hard disk failure or Virus entry, and can make the user be stored in data in hard disk can't read.Can't repaired by hand and Hard disk file system is huge, can only rely on speciality tool to go to recover data, have influence on the security performance of portable hard drive storage data.Portable hard drive 100 of the present invention comprises backup units 115, and described backup units 115 backups to the file system in the described hard disk 130 file system elements of described SSD or FLASH 140 automatically, has strengthened the security of portable hard drive 100 of the present invention.
Described recovery unit 114 can recover the file system of the hard disk of all backups, also can recover different file system according to user's needs.A specific embodiment of described recovery unit 114, as shown in Figure 5, concrete comprise boot sector recovery subelement, the leading sector record recovery of hard disk subelement, active partition Master boot sector recovery subelement, FAT table recovery subelement, root directory recovers subelement, 3D parameter recovery subelement, logical organization recovery subelement etc.The user can according to the impaired difference of file system, select different recovery subelements to carry out file system recovery.
Portable hard drive 100 of the present invention can also comprise and be connected the corresponding recovery operation module 150 that the recovery subelement connects, as shown in Figure 6.The recovery operation module of described portable hard drive 100 can comprise boot sector recovery operation module, hard disk master boot sector record recovery operation module, active partition Master boot sector recovery operation module, FAT table recovery operation module, root directory recovery operation module, 3D parameter recovery operation module, logical organization recovery operation module etc.The corresponding recovery operation module of portable hard drive setting of the present invention and different file, described recovery manipulation module can be button, the user touches different recovery buttons as required, just can realize easily the recovery of file system, makes simple, the easily operation of file system recovery process.
SSD of the present invention or Flash140 can also comprise a plurality of file system elements, as shown in Figure 3, comprise the first file system elements, the second file system elements, the 3rd file system elements and the 4th file system elements etc.The different Hard disk file systems constantly of backup in described a plurality of file system elements.For example described backup units 115 backups to described the first file system elements with all front Hard disk file systems, Hard disk file system before five days is backuped to described the second file system elements, Hard disk file system before one day is backuped to described the 3rd file system elements, the Hard disk file system before hour is backuped to described the 4th file system elements.
The One's name is legion of Hard disk file system, but shared capacity is less, the present invention backs up the different file system constantly of hard disk, namely behind described hard-disc storage information change, described backup information also upgrades thereupon, make many parts of backup informations can date back to different time points, further increased the security of described hard disk 130 file system.
Recovery of the present invention further can comprise the first file system recovery subelement, the second file system recovery subelement, the 3rd file system recovery subelement and the 4th file system recovery subelement etc. by unit 114.Accordingly, the recovery operation module 150 of described portable hard drive 100 comprises the first file system recovery operational module, the second file system recovery operational module, the 3rd file system recovery operational module and the 4th file system recovery operational module etc., as shown in Figure 7.Also comprise boot sector recovery operation module, hard disk master boot sector record recovery operation module, active partition Master boot sector recovery operation module, FAT table recovery operation module and root directory recovery operation module etc. under each file system recovery operational module.The present invention can also be by described portable hard drive 100 display screens the mode of menu show the recovery operation module, or call described demonstration recovery operation module by external operation device and operate, to make things convenient for the user to recovery unit or the operation that recovers subelement.
SSD of the present invention or FLASH also comprise be connected with outer computer after automatically actuated automatic operation unit.
Described automatic operation unit comprises multimedia subelement and multimedia file link subelement; Described multimedia file link subelement links sound, video, the picture file of storing among sound, video, picture file or the HDD in described SSD or the FLASH storage unit.After described mobile hard disc box outer computer established a communications link, the described SSD that the described multimedia file link of described multimedia subelement AutoLink subelement points to or the sound among FLASH or the hard disk HDD, video file, picture were also play.The file that described multimedia file link unit links can can't be deleted for read only attribute, or can make amendment, delete by after the authentication; The file that described multimedia file link unit links can be for hiding or cryptographic attributes, only can be play subelement by described multimedia file by the multimedia file link unit calls and plays, but can not show on computers, play, copy, thereby the function that realizes to play but can not copy, or only can after by authentication, could show on computers, play, read and write.
Described automatic operation unit further comprises the checking and killing virus subelement, after described portable hard drive and outer computer establish a communications link, described checking and killing virus subelement begins killing virus automatically, after checking and accepting virus, described control module is controlled described hard disk again and outer computer begins exchanges data.Described checking and killing virus subelement can be set to read only attribute, invaded and harassed by virus after preventing from connecting computer, only when connecting default particular network address, can be written into, can be written into when perhaps only surfing the Net by specific network ports, perhaps only after by authentication, just can be written into, so just can realize the safety upgrade in checking and killing virus program, virus characteristic storehouse.
SSD of the present invention or FLASH also comprise security control unit, and described security control unit can comprise for the read-write control subelement of controlling with the operation of reading, write, revise, access, tabulate of computer interface.Described read-write control subelement can with computer communication before load specific interface routine, to controlling with the operation of reading, write, revise, access, tabulate of computer interface, can realize forbidding writing, forbidding copying out or the disable access function.
Security control unit of the present invention comprises the authenticating user identification subelement that carries out authentication and data encrypting and deciphering, realize that the different identity user obtains the different operating rights that reads, writes, revises, accesses, tabulates, disabled user's operation of can't reading, write, revise, access or tabulate.
Portable hard drive with two kinds of storage mediums provided by the invention except comprising hard disk, can also comprise that SSD or Flash are as another storage medium; The read-write of SSD and Flash is fast, postpones littlely, and SSD or Flash as the portable hard drive buffer memory, are accelerated the disk read-write data speed; Further SSD and these two kinds of storage mediums of Flash do not have mechanical activity when work, mechanical fault can not occur, be not afraid of collision, impact, the higher performance of vibrations security, the present invention backups to SSD or Flash with the file system of hard disk, has improved greatly the security of portable hard drive; Secondly, portable hard drive also arranges the recovery module, make portable hard drive can be by manual operating software or Manual press corresponding function button, manually stir the mode such as corresponding function switch, recover fast and easily the file system of hard disk, easy and simple to handle; At last; portable hard drive of the present invention backs up difference Hard disk file system constantly; when the file system recovery of previous moment is unsuccessful; can further recover more long duration Hard disk file system in the past; the file system of hard disk has been carried out layer by layer protection, made the data degradation of user's hard disk drop to minimum.
Should be understood that above-mentioned statement for preferred embodiment of the present invention is comparatively detailed, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (13)
1. portable hard drive with two kinds of storage mediums, comprise the hard disk that is connected on the control module, be no less than a data-interface with computer communication, it is characterized in that, also comprise the SSD or the FLASH that are connected on the described control module, described control module comprises HDD control module and SSD control module, and described SSD or FLASH comprise the HDD buffer unit; Described HDD buffer unit is as the buffer area of described hard disk HDD and outer computer exchanges data;
Described control module comprises microcontroller, and described HDD control module and SSD control module are connected on the described microcontroller, and described control module also comprises recovery unit and the backup units that is connected on the described microcontroller; Described backup units is with the file system elements of the file system automated back-up in the described hard disk to described SSD or FLASH;
Described SSD or FLASH also comprise storage of subscriber data unit and file system elements; Described storage of subscriber data unit is used for the storage personal data, and described file system elements is used for backing up the file system of described hard disk;
Described file system elements comprises boot sector subelement, disk Master boot sector record subelement, active partition Master boot sector subelement, FAT table subelement and root directory subelement, 3D parameter subelement and the logical organization subelement of hard disk;
Described recovery unit comprises that boot sector recovery subelement, the leading sector record recovery of hard disk subelement, active partition Master boot sector recovery subelement, FAT table recovery subelement, root directory recover subelement, 3D parameter recovery subelement and logical organization subelement;
Described portable hard drive comprises also and is connected the recovery operation module that recovery unit connects that described recovery operation module comprises and is connected recovers boot sector recovery operation module, hard disk master boot sector record recovery operation module, active partition Master boot sector recovery operation module, FAT table recovery operation module, root directory recovery operation module, 3D parameter recovery operation module and the logical organization recovery operation module that subelement connects.
2. portable hard drive according to claim 1 is characterized in that, described SSD or Flash also comprise different a plurality of file system elements constantly.
3. portable hard drive according to claim 2 is characterized in that, described recovery operation module comprises and the corresponding different file system recovery operational modules constantly of described different file system elements constantly.
4. portable hard drive according to claim 1 is characterized in that, described SSD or FLASH comprise be connected with outer computer after automatically actuated automatic operation unit.
5. portable hard drive according to claim 4 is characterized in that, described automatic operation unit comprises multimedia file broadcast subelement and multimedia file link unit; By described multimedia file link unit, but described multimedia file is play the multimedia file among the described hard disk HDD of subelement AutoLink and is play; But the multimedia file among the described described SSD of multimedia subelement AutoLink or the FLASH is also play.
6. portable hard drive according to claim 5 is characterized in that, described automatic operation unit comprises the checking and killing virus subelement, and described checking and killing virus subelement is after killing virus, and described control module is controlled described hard disk again and outer computer begins exchanges data.
7. portable hard drive according to claim 6 is characterized in that, described SSD or FLASH comprise security control unit.
8. portable hard drive according to claim 7 is characterized in that, described security control unit comprises for the read-write control subelement of controlling with the operation of reading, write, revise, access, tabulate of computer interface.
9. portable hard drive according to claim 8 is characterized in that, described security control unit comprises the authenticating user identification subelement that carries out authentication and data encrypting and deciphering.
10. portable hard drive according to claim 9 is characterized in that, the file that described multimedia file link unit links only can write, delete, reads after by the authentication of authentication subelement.
11. portable hard drive according to claim 10, it is characterized in that, described checking and killing virus subelement can be set to only can be written at the authentication rear by the authentication subelement, thereby realizes the safety upgrade in checking and killing virus program, virus characteristic storehouse.
12. portable hard drive according to claim 1 is characterized in that, described hard disk, SSD or FLASH are connected on the described control module by the sata interface respectively.
13. portable hard drive according to claim 1 is characterized in that, described data-interface is USB2.0 interface, USB3.0 interface, esata interface, USB PLUS interface.
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| CN 200910243153 CN102136274B (en) | 2009-12-30 | 2009-12-30 | Mobile hard disk with two storage media |
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| CN 200910243153 CN102136274B (en) | 2009-12-30 | 2009-12-30 | Mobile hard disk with two storage media |
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| CN102136274B true CN102136274B (en) | 2013-03-27 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104375961A (en) * | 2013-08-16 | 2015-02-25 | 国际商业机器公司 | Method and device for data access in data storage subsystem |
| CN103488582B (en) * | 2013-09-05 | 2017-07-28 | 华为技术有限公司 | Write the method and device of cache memory |
| CN103713973B (en) * | 2014-01-08 | 2017-11-17 | 浪潮(北京)电子信息产业有限公司 | A kind of mixing storage backup method and system based on HDD and SSD |
| CN107423641B (en) * | 2017-09-19 | 2023-10-03 | 中国南方电网有限责任公司超高压输电公司南宁监控中心 | Gas defense method and gas defense device for mobile storage medium |
| CN107577966B (en) * | 2017-09-19 | 2023-09-29 | 中国南方电网有限责任公司超高压输电公司南宁监控中心 | Anti-virus method for mobile storage and anti-virus safety device |
| CN108038024B (en) * | 2018-01-04 | 2021-03-02 | 西安锐益达风电技术有限公司 | Reliable static planning file system for NandFlash |
| CN109582241B (en) * | 2018-12-03 | 2022-02-18 | 郑州云海信息技术有限公司 | Board card and method for realizing performance acceleration of mechanical hard disk |
| CN117311466B (en) * | 2023-11-28 | 2024-03-26 | 深圳市华粤世通软件科技有限公司 | Portable computer and mobile storage terminal thereof |
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| CN1527973A (en) * | 2000-06-23 | 2004-09-08 | 英特尔公司 | Non-volatile cache |
| CN201348879Y (en) * | 2008-12-31 | 2009-11-18 | 北京华旗资讯数码科技有限公司 | USB bus-powered mobile hard disk |
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| CN1527973A (en) * | 2000-06-23 | 2004-09-08 | 英特尔公司 | Non-volatile cache |
| CN201348879Y (en) * | 2008-12-31 | 2009-11-18 | 北京华旗资讯数码科技有限公司 | USB bus-powered mobile hard disk |
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