CN105184195A - Design method of multi-hard disc sub-time destroying - Google Patents
Design method of multi-hard disc sub-time destroying Download PDFInfo
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- CN105184195A CN105184195A CN201510461604.0A CN201510461604A CN105184195A CN 105184195 A CN105184195 A CN 105184195A CN 201510461604 A CN201510461604 A CN 201510461604A CN 105184195 A CN105184195 A CN 105184195A
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- destroying
- hard disk
- destroy
- control unit
- peripheral control
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
- G06F21/78—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Storage Device Security (AREA)
Abstract
The invention particularly relates to a design method of multi-hard disc sub-time destroying. According to the design method of multi-hard disc sub-time destroying, destroyable hard discs, a destroying circuit, an external controller and a power supply are arranged, wherein the power supply is used for supplying power for the hard disc and the external controller at the same time; the external controller is connected with the destroyable hard discs through the destroying circuit; and through the external controller, hard disc destroying signals are output at different times, so that the sub-time physical destroying of the hard discs is realized. According to the design method of multi-hard disc sub-time destroying,, the safe privacy of stored data and the power consumption problem of the physical destroying of stored mediums are comprehensively considered, so that the condition that destroying is carried out twice at the same time is avoided, continuous, safe and reliable power supply can be ensured in the hard disc destroying process, the low-power consumption physical destroying of multi-hard disc storage equipment is realized, and a feasible conference design is provided for the physical destroying of the large-capacity storage equipment.
Description
Technical field
The present invention relates to hard disc of computer destroy technology field, for the hard disk of the more common band physical destroying function in current market, particularly a kind of many hard disks timesharing method for designing of destroying.
Background technology
Destroy the important step that classified information is maintenance information safety, can the key that reach secret effect be security and completeness how to guarantee destruction.Generally speaking, safety, up hill and dale destroying information be guaranteed, should set about from aspects such as physical destroying and software destructions.
Physical destroying refers to sets about from storage medium, is reached the object of hardware destroy by the mode physically damaging storage medium; Software is destroyed and is mainly referred to repeatedly be read and write by software program, wipe, and the data in original storage space can not be recognized, thus reach the object of hard disc data destruction.
The more common hard disk in current market is generally with the function of physical destroying, and this kind of hard disk all has software usually destroys and physical destroying function.But the implementation of physical destroying is the conveying by increasing the power in hard-disc storage space, makes storage medium puncture under high-voltage great-current and burns.Current this physical destroying Method compare is reliable, and hardware destroy is relatively more thorough, and realizes than being easier to, but power consumption during physical destroying but allows common board mounted power accept.
As shown in Figure 1, it is that each hard disk is connected to destruction controller by I/OBUS bus that hard disc physical destroys circuit, destroys controller and is connected to power supply by destroying button.During use, press destroy button namely can be destroy controller power, destroy controller control simultaneously destroy be connected multiple hard disks.But the power consumption that the hard disk of usual physical destroying one piece of 512G needs just can reach 35W ~ 50W, for the memory device of some many hard disks, this destruction mode is undoubtedly a kind of very large burden concerning power supply.
Consider and store the level security of data and the power problems of hard disk in physical destroying process, the problem that power supply power consumption is excessive in the process of simultaneously destroying at hard disk, the present invention proposes the method for designing that a kind of many hard disks timesharing is destroyed.Be intended to for the physical destroying of mass-memory unit provides a kind of feasible reference design.
Summary of the invention
The present invention, in order to make up the defect of prior art, provides the method for designing that a kind of simple, effective many hard disks timesharing is destroyed.
The present invention is achieved through the following technical solutions:
The method for designing that a kind of many hard disks timesharing is destroyed, it is characterized in that: comprise and can destroy hard disk, destroy circuit, peripheral control unit and power supply, described power supply is powered for hard disk and peripheral control unit simultaneously, by destroying, circuit connection is multiple destroys hard disk to described peripheral control unit, exports hardware destroy signal, thus realize multiple timesharing physical destroying destroying hard disk by peripheral control unit timesharing.
The described destruction interface destroying hard disk is independent two general purpose I/O interface, realizes hard disk software and destroys the control with physical destroying, difference can be destroyed the corresponding I/O interface that hardware destroy pin is connected respectively to peripheral control unit respectively by binary coding.
Described peripheral control unit by sampling to destruction circuit voltage, and then judges whether a hardware destroy terminates.
Described peripheral control unit, by the voltage of sampling power supply, judges whether can start to destroy program next time, avoids the problem occurring that twice destruction is carried out simultaneously.
The invention has the beneficial effects as follows: the method for designing that this many hard disks timesharing is destroyed, consider and stored the level security of data and the power problems of storage medium physical destroying, avoid the situation that twice destruction is carried out simultaneously, can guarantee can continue to power safely and reliably in the process of hardware destroy, achieve the low-power consumption physical destroying of many hard disk storage devices, the physical destroying for mass-memory unit provides a kind of feasible reference design.
Accompanying drawing explanation
Accompanying drawing 1 is hard disc physical destruction principle schematic;
Accompanying drawing 2 is the present invention's many hard disks timesharing destroying method schematic diagram.
Embodiment
Accompanying drawing is a kind of specific embodiment of the present invention, and below in conjunction with accompanying drawing, the present invention is described in detail.
The method for designing that this many hard disks timesharing is destroyed, comprise and can destroy hard disk, destroy circuit, peripheral control unit and power supply, described power supply is powered for hard disk and peripheral control unit simultaneously, by destroying, circuit connection is multiple destroys hard disk to described peripheral control unit, exports hardware destroy signal, thus realize multiple timesharing physical destroying destroying hard disk by peripheral control unit timesharing.
The described destruction interface destroying hard disk is independent two general purpose I/O interface, realizes hard disk software and destroys the control with physical destroying, difference can be destroyed the corresponding I/O interface that hardware destroy pin is connected respectively to peripheral control unit respectively by binary coding.
Described peripheral control unit by sampling to destruction circuit voltage, and then judges whether a hardware destroy terminates.
Described peripheral control unit, by the voltage of sampling power supply, judges whether can start to destroy program next time, avoids the problem occurring that twice destruction is carried out simultaneously.
The method for designing that the timesharing of the present invention's many hard disks is destroyed can be used for destroying one by one in order hard disk, considers in real world applications and destroys time consuming procedures found, can also divide into groups to hard disk, destroys by group.Meanwhile, the present invention also may be used for the software destruction realizing hard disk.
The method for designing that this many hard disks timesharing is destroyed, first will select suitable peripheral control unit chip, build control loop, different hard disk is connected on request the general purpose I/O interface of controller.By writing correct control program in described peripheral control unit chip, configure the time delay of hardware destroy signal, and guarantee the correctness of hardware destroy signal, and correctly judge the size of sample circuit voltage, realize efficiently destroying hard disk with low power; By the supply voltage of power supply of sampling, judge whether can start to destroy program next time, avoid the problem occurring that twice destruction is carried out simultaneously.In addition, power supply needs to do certain power redundancy operation, guarantees can continue to power safely and reliably in the process of hardware destroy.
The method for designing that this many hard disks timesharing is destroyed, consider and stored the level security of data and the power problems of storage medium physical destroying, can not only guarantee can continue to power safely and reliably in the process of hardware destroy, also achieve the low-power consumption physical destroying of many hard disk storage devices, the physical destroying for mass-memory unit provides a kind of feasible reference design simultaneously.
Claims (4)
1. the method for designing of the destruction of hard disk timesharing more than a kind, it is characterized in that: comprise and can destroy hard disk, destroy circuit, peripheral control unit and power supply, described power supply is powered for hard disk and peripheral control unit simultaneously, by destroying, circuit connection is multiple destroys hard disk to described peripheral control unit, exports hardware destroy signal, thus realize multiple timesharing physical destroying destroying hard disk by peripheral control unit timesharing.
2. the method for designing of many hard disks timesharing destruction according to claim 1, it is characterized in that: the described destruction interface destroying hard disk is independent two general purpose I/O interface, realize hard disk software respectively by binary coding and destroy the control with physical destroying, difference can be destroyed the corresponding I/O interface that hardware destroy pin is connected respectively to peripheral control unit.
3. the method for designing of many hard disks timesharing destruction according to claim 1, is characterized in that: described peripheral control unit by sampling to destruction circuit voltage, and then judges whether a hardware destroy terminates.
4. the method for designing of many hard disks timesharing destruction according to claim 1, is characterized in that: described peripheral control unit, by the voltage of sampling power supply, judges whether can start to destroy program next time, avoids the problem occurring that twice destruction is carried out simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461604.0A CN105184195A (en) | 2015-07-31 | 2015-07-31 | Design method of multi-hard disc sub-time destroying |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510461604.0A CN105184195A (en) | 2015-07-31 | 2015-07-31 | Design method of multi-hard disc sub-time destroying |
Publications (1)
| Publication Number | Publication Date |
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| CN105184195A true CN105184195A (en) | 2015-12-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510461604.0A Pending CN105184195A (en) | 2015-07-31 | 2015-07-31 | Design method of multi-hard disc sub-time destroying |
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| CN (1) | CN105184195A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111832086A (en) * | 2020-05-29 | 2020-10-27 | 长沙湘计海盾科技有限公司 | Reinforced multi-solid-state hard disk and power-up automatic hard burn-up method thereof |
| CN112446058A (en) * | 2020-12-16 | 2021-03-05 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Data safety protection device |
| CN117019847A (en) * | 2023-10-08 | 2023-11-10 | 北京傲星科技有限公司 | Solid state disk physical destruction method and solid state disk |
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| US20130264224A1 (en) * | 2012-04-09 | 2013-10-10 | Akooba, Inc. | Method and device for secure disposal of an article |
| CN104050115A (en) * | 2014-06-30 | 2014-09-17 | 曙光信息产业(北京)有限公司 | Storage controller and using method of storage controller |
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2015
- 2015-07-31 CN CN201510461604.0A patent/CN105184195A/en active Pending
Patent Citations (6)
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| CN201237788Y (en) * | 2008-08-11 | 2009-05-13 | 湖南源科创新科技股份有限公司 | Solid state hard disk based on data destruction |
| CN101465164A (en) * | 2009-01-12 | 2009-06-24 | 成都市华为赛门铁克科技有限公司 | Method, device and system for obliterating data |
| CN101706853A (en) * | 2009-11-10 | 2010-05-12 | 徐欣 | Solid state disk (SSD)-based anti-leakage self-destruction system |
| US20130264224A1 (en) * | 2012-04-09 | 2013-10-10 | Akooba, Inc. | Method and device for secure disposal of an article |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111832086A (en) * | 2020-05-29 | 2020-10-27 | 长沙湘计海盾科技有限公司 | Reinforced multi-solid-state hard disk and power-up automatic hard burn-up method thereof |
| CN112446058A (en) * | 2020-12-16 | 2021-03-05 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Data safety protection device |
| CN112446058B (en) * | 2020-12-16 | 2022-04-29 | 武汉船舶通信研究所（中国船舶重工集团公司第七二二研究所） | Data safety protection device |
| CN117019847A (en) * | 2023-10-08 | 2023-11-10 | 北京傲星科技有限公司 | Solid state disk physical destruction method and solid state disk |
| CN117019847B (en) * | 2023-10-08 | 2023-12-29 | 北京傲星科技有限公司 | Solid state disk physical destruction method and solid state disk |
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Application publication date: 20151223 |