CN103617802B - Reading and writing data authority control method and optical storage system based on optical storage array - Google Patents
Reading and writing data authority control method and optical storage system based on optical storage array Download PDFInfo
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Abstract
The invention provides a kind of reading and writing data authority control method based on optical storage array, the method includes：Optical storage array is provided, the optical storage array includes cd-ROM group, recording optical driver group and at least one CD；Identification request access described at least external system of a CD access limit；If the external system is identified as the management system with write permission, triggers the management system and access the recording optical driver group, and the write and/or erasing of data are carried out at least one CD；If the external system is identified as the only access system with read-only authority, trigger the access system and access the cd-ROM group, and data are read from least one CD.Correspondingly, present invention also offers a kind of optical storage system of read-write grading control.Implement the security that the present invention can lift the control of back-end data access limit.
Description
Technical field
The present invention relates to CD storage technique field, more particularly to a kind of reading and writing data authority control based on optical storage array
Method processed and optical storage system.
Background technology
According to Internet data center（IDC, Internet Data Center）Statistics, global metadata amount in 2010 less than
1ZB, is up to more than 35ZB to the year two thousand twenty.Wherein not only include the higher real time data of renewal degree, also including infrequently making
Filing data.At present, Various types of data interactive system mainly using forms such as disk and disk arrays come store its operation
During the various data that generate, and the access limit of the disk or disk array is set by the means of software.With existing
Vehicle peccancy inquiry system as a example by, its record vehicle peccancy information record operating in the disk or disk array of server
On database in, the system provides violating the regulations record of the public Web page for public's enquiring vehicle, and limited using software
Means are placed the public and the vehicle peccancy information in the database are distorted, but total well known, and lawless person generally utilizes
A variety of leaks that the software is limited can relatively easily attack server in the database, and in database
Vehicle peccancy information is carried out and the malfeasance such as copies, distorts, deleting.As software limits this technological means in current technology
It is more difficult under level to avoid leak, therefore the read-write of the back-end data of Various types of data interactive system is always safely these data interactions
The designer of system needs the problem for considering, but prior art does not provide a kind of effective method in addition to software restriction.
The content of the invention
In order to overcome drawbacks described above of the prior art, the invention provides a kind of reading and writing data based on optical storage array
Authority control method, the method include：
Optical storage array is provided, the optical storage array includes cd-ROM group, recording optical driver group and at least one CD；
Identification request access described at least external system of a CD access limit；
If the external system is identified as the management system with write permission, triggers the management system and access institute
Recording optical driver group is stated, and the write and/or erasing of data are carried out at least one CD；
If the external system is identified as the only access system with read-only authority, triggers the access system and visit
The cd-ROM group is asked, and data is read from least one CD.
According to an aspect of the present invention, in the method, the external system of an at least CD described in identification request access
Access limit include：The right identification information sent according to the external system recognizes the access limit of the external system.
According to another aspect of the present invention, described in the method, right identification information includes：For verifying the read-write
The system identifier or User logs in authority of authority.
According to a further aspect of the invention, in the method, trigger the management system and access the recording optical driver group bag
Include：The management system is electrically connected to into the controlling cable of the recording optical driver group；The management system passes through the control line
Cable accesses the recording optical driver group.
According to a further aspect of the invention, in the method, trigger the access system and access the cd-ROM group bag
Include：The access system is electrically connected to into the controlling cable of the cd-ROM group；The access system passes through the control line
Cable accesses the cd-ROM group.
According to a further aspect of the invention, in the method, the cd-ROM group is included in a CD server at least
One cd-ROM or the multiple cd-ROMs being distributed in multiple CD servers；The recording optical driver group is included in a CD server
At least one recording optical driver or the multiple recording optical drivers being distributed in multiple CD servers.
Present invention also offers a kind of optical storage system of read-write grading control, the optical storage system includes：
Optical storage array, the optical storage array include cd-ROM group, recording optical driver group and at least one CD；
Authority recognition module, for recognize request access described at least external system of a CD access limit；
Trigger module, including the first trigger element and the second trigger element；
If the external system is identified as the management system with write permission by the authority recognition module, described
One trigger element triggers the management system access recording optical driver group and carries out data at least one CD and writes
Enter and/or wipe；
If the external system is identified as the only access system with read-only authority by the authority recognition module,
Then second trigger element triggers the access system and accesses the cd-ROM group and read from least one CD
Fetch data.
According to an aspect of the present invention, in the control device, described in the authority recognition module identification request access extremely
The access limit of the external system of a few CD includes：Recognize that this is outer according to the right identification information that the external system sends
The access limit of portion's system.
According to another aspect of the present invention, in the control device, the right identification information includes：It is described for verifying
The system identifier or User logs in authority of access limit.
According to a further aspect of the invention, in the control device, first trigger element triggers the management system
Accessing the recording optical driver group includes：The management system is electrically connected to the recording optical driver group by first trigger element
Controlling cable；The management system accesses the recording optical driver group by the controlling cable.
According to a further aspect of the invention, in the control device, second trigger element triggers the access system
Accessing the cd-ROM group includes：The just described access system of second trigger element is electrically connected to the cd-ROM group
Controlling cable；The access system accesses the cd-ROM group by the controlling cable.
According to a further aspect of the invention, in the control device, the cd-ROM group is included in a CD server
At least one cd-ROM or the multiple cd-ROMs being distributed in multiple CD servers；The recording optical driver group includes a CD
At least one recording optical driver or the multiple recording optical drivers being distributed in multiple CD servers in storehouse.
The reading and writing data authority control method based on optical storage array and optical storage system that the present invention is provided, by making
The CD provided with optical storage array and utilizes cd-ROM as the storage medium of the back-end data of Various types of data interactive system
With the physical difference opposite sex of recording optical driver so that the read-write process of back-end data forms separation from physical equipment aspect, compares soft
The mode that part is limited greatly improves the security of back-end data access limit control.
Description of the drawings
By reading the detailed description made to non-limiting example made with reference to the following drawings, other of the invention
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a specific embodiment party of the reading and writing data authority control method based on optical storage array of the invention
The flow chart of formula；
Fig. 2 is the structural representation of a specific embodiment of the optical storage system of read-write grading control of the invention
Figure；
In accompanying drawing, same or analogous reference represents same or analogous part.
Specific embodiment
For a better understanding and interpretation of the present invention, below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 1 is refer to, Fig. 1 is of the reading and writing data authority control method based on optical storage array of the invention
The flow chart of specific embodiment, the method include：
Step S101, there is provided optical storage array, the optical storage array include cd-ROM group, recording optical driver group and at least one
Zhang Guangpan；
Step S102, identification request access described at least external system of a CD access limit；
Further, if in step S102, the external system is identified as the management system with write permission, then hold
Row step S103, if the external system is identified as the only access system with read-only authority, execution step S104；
Step S103, triggers the management system and accesses the recording optical driver group, and at least one CD is carried out
The write and/or erasing of data；
Step S104, triggers the access system and accesses the cd-ROM group, and read from least one CD
Fetch data.
Specifically, to implement the method that the present invention is provided, needs provide optical storage array in step S101 first, according to
The goal of the invention of the present invention, the optical storage array are at least used for back-end data of the data storage interactive system normally needed for operation.
Correspondingly, the back-end data is stored in the optical storage media that the optical storage array includes, further, in order to normally from
The back-end data is read in the storage optical medium, or changes the optical storage media to realize to the back-end data more
Newly, the optical storage array should be equipped with suitable reading device and writing station for the optical medium.In some embodiments, institute
Stating optical storage array only includes a CD server；In other embodiments, the optical storage array is distributed in internet by multiple
Or interior CD server is constituted on LAN.Put it briefly, the cd-ROM group includes at least one in a CD server
Read CD-ROM drive or the multiple cd-ROMs being distributed in multiple CD servers；And the recording optical driver group is included in a CD server
At least one recording optical driver or the multiple recording optical drivers being distributed in multiple CD servers.Typically, the light of the optical storage array
Storage medium selects at least one BD CD, for the various data that data storage interactive system is generated, the cd-ROM group
At least one BD CD shared with the recording optical driver group, wherein the cd-ROM group includes at least one BD-ROM,
The recording optical driver group includes at least one BD-RW.Certainly the optical storage media can also select other kinds of CD, example
Such as CD and DVD, correspondingly, the cd-ROM group and the recording optical driver group need to support the disc of the optical storage media
Type.
In step s 102, external system request accesses the optical storage array, and the purpose of the external system is by visiting
Ask the optical storage array to read the back-end data stored at least one CD, and/or at least one light
The back-end data stored in disk is updated.It is from the point of view of the visitor role that the external system has, outside described in the first kind
System plays the part of the administrator role for having write permission to the back-end data, and external system described in Equations of The Second Kind is played the part of to the backstage
The data only pure visitor role with read-only authority.
Therefore correspondingly, the recognition result of the external system should be included in terms of two in step S102, is on the one hand institute
State external system and be identified as the management system with write permission, correspondingly subsequent execution step S103, that is, trigger the pipe
Reason system accesses the recording optical driver group, and the write and/or erasing of data are carried out at least one CD；On the other hand
It is that the external system is identified as the only access system with read-only authority, correspondingly subsequent execution step S104, that is, touch
Send out access system described and access the cd-ROM group, and data are read from least one CD.People in the art
Member is it should be appreciated that as the storage medium of optical storage array is CD, if wishing to be modified the data in CD, only use
Read CD-ROM drive be cannot be successful because cd-ROM from physical equipment characteristic for regard to there is no the work(write to CD
Can, only controlling recording optical driver can just carry out CD write.By execution step S102, the optical storage array is realized from thing
External system on reason equipment for accessing the optical storage array is written and read isolation.
Step S103 and step S104 are further illustrated, in step S103, the management system are triggered and is accessed described
Recording optical driver group includes：The management system is electrically connected to into the controlling cable of the recording optical driver group；The management system is led to
Cross the controlling cable and access the recording optical driver group.Similarly, in step S104, trigger the access system and access described
Reading CD-ROM drive group includes：The access system is electrically connected to into the controlling cable of the cd-ROM group；The access system passes through
The controlling cable accesses the cd-ROM group.It is by direct or indirect connection reality that above-mentioned term " electrically connects " its definition
Now data communication between the two.External system is changed by the network equipment and accesses the recording optical driver group or the cd-ROM
UNICOM's state of the controlling cable of group can control the state of activation of the external system access limit.
Specifically, its definition of above-mentioned term " external system " is to pass through network access with artificial operation or automatic script mode
The set of the equipment of the optical storage array, for example access the optical storage array many station terminals and realize many station terminals with
The multiple stage network equipment of the communication of the optical storage array can be considered and be included in the external system.
In a kind of specific embodiment, the O＆M side of optical storage array it is generally desirable to strictly control writing for its CD for including
Authority, therefore before step S102 is performed, reasonable arrangement can be carried out in the access network of the optical storage array, tool is set
The management system for having write permission is accessed the optical storage array by specific data circuit and is communicated with the recording optical driver, with
And the setting only access system with read-only authority is by another data circuit access optical storage array and read-only with described
CD-ROM drive communicates.During execution step S102, by judging that identification accesses the data circuit type of the external system of the optical storage array
Can judge it is currently that the external system with which kind of authority is accessed in optical storage array.Accordingly based upon the judgement
As a result execution step S103 or step S104, it is certainly contemplated that to the caching technology of existing optical storage array, the management system
May in server buffer, editor's need writes the data content of CD in advance, then control the recording optical driver by the data
Hold write CD；Similarly, it is described access obtain on system parenchyma be data file that cd-ROM is read from CD
Copy in server buffer.
In order to meet the demand of various implement scenes, alternatively, in another kind of specific embodiment, recognize in step S102
Described in request access, the concrete grammar of at least access limit of the external system of a CD includes：Sent out according to the external system
The right identification information for sending recognizes the access limit of the external system.Specifically, the right identification information includes：For verifying
The system identifier or User logs in authority of the access limit.Wherein, the system identifier is, for example, according to setting that external system includes
Calculated identity ID of standby institute；The User logs in authority is, for example, the discernible electronic key of the optical storage array, or
For verifying the username and password of the access limit identity of external system.Be arranged improving optical storage array writes power
The flexibility of the method for salary distribution of limit.
So that the optical storage array is for storing the back-end data of library's filing system as an example, illustrate step S101 extremely
Step S104, provides optical storage array first, and multiple CDs in the optical storage array are used to store substantial amounts of book data.One
Aspect, library's filing system are designed as open visit authority towards the public, and the public can pass through computer equipment and internet
The book data stored in multiple CDs described in the access system reviews that equipment is constituted；On the other hand, library's filing system
Editing authority is opened towards administrative staff, the management system that administrative staff can be consisted of with internet device computer equipment is repaiied
The book data stored in changing described multiple CDs.In a flow process, the access system is to library's filing system
Request accesses the electronic scanned document of certain books in described multiple CDs, and library's filing system identifies the access system
Only there is read-only authority, and connect the access system and the cd-ROM group, the cd-ROM group is according to the access
The request of system, will be stored in the server buffer that the electronic scanned document in multiple CDs reads books filing system
In, and present to the access system；In another flow process, the management system is changed to library's filing system request
Book information in described multiple CDs, the user of the management system first need to library's filing system to send to be used for
The username and password of checking read right, library's filing system judge the management system according to the username and password
System with write permission, further, management system described in UNICOM and the recording optical driver group, the recording optical driver group is according to described
The request of management system, the modification data being buffered in the server buffer of books filing system for the book information are write
Enter in CD.
Those skilled in the art can be according to setting up the concrete logical construction of optical storage array realizing with reference to prior art
The method that the present invention is provided, will not be described here.
Although it should be noted that describe the operation of the inventive method in the accompanying drawings with particular order, this is not
Requirement or hint must perform these operations according to the particular order, or the operation having to carry out shown in whole could be real
Existing desired result.Conversely, the step of describing in flow chart can change execution sequence.Additionally or alternatively, it is convenient to omit
Multiple steps are merged into a step and are performed, and/or a step is decomposed into execution of multiple steps by some steps.
Correspondingly, present invention also offers a kind of optical storage system of read-write grading control, refer to Fig. 2, Fig. 2 is basis
The structural representation of one specific embodiment of the optical storage system of the read-write grading control of the present invention, the optical storage system bag
Include：
Optical storage array 100, the optical storage array include cd-ROM group 110, recording optical driver group 120 and at least one light
Disk 130；
Authority recognition module 200, for recognize request access described at least external system of a CD access limit；
Trigger module 300, including the first trigger element 310 and the second trigger element 320；
If the external system is identified as the management system 410 with write permission by the authority recognition module 200,
First trigger element 310 triggers the management system 410 and accesses the recording optical driver group 120 and at least one light
Disk 130 carries out the write and/or erasing of data；
If the external system is identified as the only access system with read-only authority by the authority recognition module 200
System 420, then second trigger element 320 trigger the access system 420 access the cd-ROM group 110 and from it is described to
Data are read in a few CD 130.
The term and noun that this part occurs has consistent implication with hereinbefore identical term or noun, such as described
Before " external system ", " optical storage array ", " electrical connection " etc., above-mentioned term or noun and its operation principle being related to are referred to
In text, relevant portion is described and explained, for simplicity will not be described here.
Specifically, in some embodiments, the optical storage array 100 only includes a CD server；In other embodiments,
The optical storage array 100 is made up of multiple CD servers being distributed on internet or LAN.The cd-ROM group 110
Including at least one cd-ROM in a CD server or the multiple cd-ROMs being distributed in multiple CD servers, the imprinting
CD-ROM drive group includes at least one recording optical driver in a CD server or the multiple recording optical drivers being distributed in multiple CD servers.Allusion quotation
Type ground is as shown in Fig. 2 in one embodiment, the cd-ROM 111 that the cd-ROM group 110 includes is returned to cd-ROM 113
Belong in a CD server, in another embodiment, the cd-ROM 111 is respectively belonging to different CDs to cd-ROM 113
Storehouse.At least one CD 130 described in 120 share and access of cd-ROM group 110 and recording optical driver group.Typically, described at least one
The CD that Zhang Guangpan includes is BD CDs, and the cd-ROM in the cd-ROM group is BD-ROM, the recording optical driver group
In recording optical driver be BD-RW.Certainly the CD that described at least one CD includes can also be other kinds of CD, example
Such as CD and DVD, correspondingly, the cd-ROM group and the recording optical driver group need to support the disc of the optical storage media
Type.
Management system 410 and both external systems of access system 420 access optical storage by internet/LAN request
Array 100, according to the optical storage system that the present invention is provided, authority recognition module 200 is written and read authority recognition to external system
To judge that the external system that current request is accessed is management system 410 or access system 420, further, trigger module 300
The work of first trigger element 310 is selected according to the recognition result of authority recognition module 200 or the second trigger element 320 works.
Alternatively, the authority recognition module 200 identification request access described at least external system of a CD 130 access limit
Including：The right identification information sent according to the external system recognizes the access limit of the external system.Specifically, the power
Limit identification information includes：For verifying the system identifier or User logs in authority of the access limit.
Specifically, first trigger element 310 triggers the management system 410 and accesses the recording optical driver group 120 and wraps
Include：The management system 410 is electrically connected to first trigger element 310 controlling cable of the recording optical driver group 120；Institute
State management system 410 and the recording optical driver group 120 is accessed by the controlling cable.Similarly, second trigger element 320
Triggering the access system 420 and accessing the cd-ROM group 110 includes：Second trigger element, 320 just described access
System 420 is electrically connected to the controlling cable of the cd-ROM group 110；The access system 420 is visited by the controlling cable
Ask the cd-ROM group 110.Although it is pointed out that the mechanism that Fig. 2 is provided illustrates the controlling cable of cd-ROM group 110
The second trigger element 320 is connected to, and the controlling cable of recording optical driver group 120 is connected to the first trigger element 310, but ability
Field technique personnel should be understood that cd-ROM group 110 and the controlling cable of recording optical driver group 120 are not limited in the company shown in Fig. 2
Binding structure, need to only meet the triggering logic in trigger module 300.
Authority recognition module 200 and trigger module 300 and its including each several part be preferably implemented as a kind of computer journey
Sequence product, the embodiment of above computer program product can be by using any recording medium for computer-readable information
To realize, the recording medium includes magnetizing mediums, optical medium or other suitable media.Authority recognition module 200 and trigger mode
Block 300 may be embodied as standalone architecture, it is also possible to be embodied as distributed frame.
The reading and writing data authority control method based on optical storage array that the present invention is provided can use programmable logic device
Part is realizing, it is also possible to be embodied as computer software, such as embodiments in accordance with the present invention can be a kind of computer journey
Sequence product, running the program product performs computer for demonstrated method.The computer program includes calculating
Machine readable storage medium storing program for executing, includes computer program logic or code section on the medium, for realizing each step of said method
Suddenly.The computer-readable recording medium can be mounted built-in medium in a computer or can tear open from basic computer
The removable medium unloaded（Such as hot-plugging technology storage device）.The built-in medium includes but is not limited to rewritable non-volatile
Property memory, such as RAM, ROM, flash memory and hard disk.The removable medium is included but is not limited to：Optical storage media
（Such as CD-ROM and DVD）, magneto-optic storage media（Such as MO）, magnetic recording medium（Such as tape or portable hard drive）, with interior
The media of the rewritable nonvolatile memory put（Such as storage card）With the media with built-in ROM（Such as ROM boxes）.
It will be appreciated by those skilled in the art that any computer system with properly programmed device is all possible to perform bag
All steps of the method for the present invention being contained in program product.Although the most specific embodiments all sides described in this specification
Software program is overweighted, but realizes that as firmware and hardware the alternate embodiment of the method for present invention offer equally will in the present invention
Ask within the scope of protection.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of spirit or essential attributes without departing substantially from the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as and limit involved claim.This
Outward, it is clear that " including ", a word was not excluded for miscellaneous part, unit or step, and odd number is not excluded for plural number.State in device claim
Multiple parts, unit or device can also be realized by software or hardware by part, unit or a device.
The reading and writing data authority control method based on optical storage array and optical storage system that the present invention is provided, by making
The CD provided with optical storage array and utilizes cd-ROM as the storage medium of the back-end data of Various types of data interactive system
With the physical difference opposite sex of recording optical driver so that the read-write process of back-end data forms separation from physical equipment aspect, compares soft
The mode that part is limited greatly improves the security of back-end data access limit control.
Above disclosed is only some preferred embodiments of the present invention, can not limit certainly the present invention's with this
Interest field, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope covered by the present invention.
Claims (8)
1. a kind of reading and writing data authority control method based on optical storage array, the method include：
Optical storage array is provided, the optical storage array includes cd-ROM group, recording optical driver group and at least one CD；
At least one light according to the data circuit type identification request of the external system for accessing the optical storage array is accessed
The access limit of the external system of disk；
If the external system is identified as the management system with write permission, triggers the management system and access the quarter
Record CD-ROM drive group, and the write and/or erasing of data are carried out at least one CD；
If the external system is identified as the only access system with read-only authority, triggers the access system and access institute
Cd-ROM group is stated, and data is read from least one CD.
2. method according to claim 1, wherein, triggering the management system and accessing the recording optical driver group includes：
The management system is electrically connected to into the controlling cable of the recording optical driver group；
The management system accesses the recording optical driver group by the controlling cable.
3. method according to claim 1, wherein, triggering the access system and accessing the cd-ROM group includes：
The access system is electrically connected to into the controlling cable of the cd-ROM group；
The access system accesses the cd-ROM group by the controlling cable.
4. method according to claim 1, wherein：
The cd-ROM group includes at least one cd-ROM in a CD server or is distributed in many in multiple CD servers
Individual cd-ROM；
The recording optical driver group includes at least one recording optical driver in a CD server or is distributed in many in multiple CD servers
Individual recording optical driver.
5. a kind of optical storage system of read-write grading control, the optical storage system includes：
Optical storage array, the optical storage array include cd-ROM group, recording optical driver group and at least one CD；
Authority recognition module, visits for the data circuit type identification request according to the external system for accessing the optical storage array
Ask the access limit of at least external system of a CD；
Trigger module, including the first trigger element and the second trigger element；
If the external system is identified as the management system with write permission by the authority recognition module, described first touches
Send out management system described in unit triggers access the recording optical driver group and at least one CD is carried out data write and/
Or erasing；
If the external system is identified as the only access system with read-only authority by the authority recognition module, described the
Two trigger elements trigger the access system and access the cd-ROM group and read data from least one CD.
6. optical storage system according to claim 5, wherein, first trigger element triggers the management system and accesses
The recording optical driver group includes：
The management system is electrically connected to first trigger element controlling cable of the recording optical driver group；
The management system accesses the recording optical driver group by the controlling cable.
7. optical storage system according to claim 5, wherein, second trigger element triggers the access system and accesses
The cd-ROM group includes：
The access system is electrically connected to second trigger element controlling cable of the cd-ROM group；
The access system accesses the cd-ROM group by the controlling cable.
8. optical storage system according to claim 5, wherein：
The cd-ROM group includes at least one cd-ROM in a CD server or is distributed in many in multiple CD servers
Individual cd-ROM；
The recording optical driver group includes at least one recording optical driver in a CD server or is distributed in many in multiple CD servers
Individual recording optical driver.
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