CN102355568A - Method and device for carrying out charged uninstallation and installation of hard disk for digital video recorder - Google Patents
Method and device for carrying out charged uninstallation and installation of hard disk for digital video recorder Download PDFInfo
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- CN102355568A CN102355568A CN2011102831612A CN201110283161A CN102355568A CN 102355568 A CN102355568 A CN 102355568A CN 2011102831612 A CN2011102831612 A CN 2011102831612A CN 201110283161 A CN201110283161 A CN 201110283161A CN 102355568 A CN102355568 A CN 102355568A
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Abstract
The invention relates to a data storage technique, and discloses a method and device for carrying out charged uninstallation and installation of a hard disk for a digital video recorder. In the invention, when the hard disk is required to be pulled out, relevant tasks are informed of stopping using the hard disk, and after all the relevant tasks stop using the hard disk, relevant information in a hard disk management system is updated, so that the seamless transfer of services can be guaranteed when the hard disk is replaced, and service cannot be lost; when an available hard disk which is not listed in the hard disk management system is detected, relevant tasks are informed of adding the hard disk, so that a DVR (digital video record) can normally recognize the new plugged hard disk and put the hard disk into operation without affecting current various tasks; and when the hard disk is uninstalled, the digital video record is not required to be powered off, and the video recording is not required to be interrupted, thereby maintaining the consistency of the video recording.
Description
Technical field
The present invention relates to data storage technology, particularly charged unloading, the technology that the digital hard disc video recorder hard disk is installed.
Background technology
Hot plug (hot-plugging or Hot Swap) is a warm swap; The hot plug function allows the user in shutdown system not exactly; Take out and change the parts such as hard disk, power supply or integrated circuit board that damage under the situation of not cutting off the electricity supply; Thereby improved timely recovery capability, autgmentability and the flexibility etc. of system, the hot plug function of disk more for example can be provided towards the disk mirroring system of high-end applications disaster.Concrete saying with science is exactly: heat replacement (Hot replacement), heat are added (Hot expansion) and hot upgrading (Hot upgrade).
Hot plug appears at the server field the earliest; Propose with property in order to improve server; In the computer of usefulness USB (Universal Serial Bus is called for short " USB ") interface is arranged all generally at ordinary times at us, this interface just can be realized hot plug.If there is not the hot plug function; Even disk failures can not cause losing of data; The user still needs the temporary close system; So that can change to hard disk; And use hot plug technology as long as simply open and connect switch or turning handle just can directly take out hard disk, and system still can normally move incessantly.
Serial Advanced Technology Attachment (Serial Advanced Technology Attachment; Be called for short " SATA "); Being a kind of serial hardware driver interface based on industry standard, is by the common hard-disk interface standard that proposes of Intel, IBM, Dell, APT, Maxtor and Seagate company.
Using SATA (Serial ATA) mouthful hard disk to be the serial ports hard disk again, is the trend of following PC hard disk.Serial ATA adopts mode connected in series; The serial ATA bus is used embedded clock signal; Possessed stronger error correcting capability; With compared its maximum difference in the past and be and can check transfer instruction (being not only data); If find wrong meeting automatic straightening, this has improved reliability of data transmission to a great extent.That serial line interface also has is simple in structure, transmission speed fast, carry out the advantage that efficient is high, support hot plug.
Change the method for DVR hard disk, the prior art embodiment mainly contains two kinds: a kind of is not support the hot plug hard disk; Another kind is direct warm swap hard disk.
The present inventor finds that there is such defective in the prior art embodiment:
1, do not support the hot plug hard disk, the replacing time is long, and owing to change the process need shutdown, causes can't recording a video in the operating process, can not guarantee the continuity of recording a video.
2, direct warm swap hard disk, maybe since when plugging hard disk writing data and cause hard disc data imperfect even be destroyed.Simultaneously, hard disk is in the pattern of running up during owing to plug, and is also very big to the damage of hard disk.
So, need a kind of technology of charged for replacement DVR hard disk at present badly, can guarantee that business datum can not lose, can guarantee that again the replacing process does not need shutdown, keep the continuity of video recording, and can reduce the damage of hard disk to a certain extent.
Summary of the invention
The object of the present invention is to provide the method and the device thereof of a kind of charged unloading, installation digital hard disc video recorder hard disk, can guarantee professional seamless branches when hard disk is changed, business datum can not lost.
For solving the problems of the technologies described above, execution mode of the present invention provides a kind of method of charged unloading digital hard disc video recorder hard disk, may further comprise the steps:
When digital hard disc video recorder detected the signal that need extract hard disk, notice was using each inter-related task of this hard disk to stop using this hard disk;
Wait for, all stop using this hard disk up to each inter-related task;
From hard Disk Management System, upgrade the relevant information of this hard disk, making needs to use the task of this hard disk to learn that this hard disk is unavailable.
Execution mode of the present invention also provides a kind of method of charged installation digital hard disc video recorder hard disk, may further comprise the steps:
Inquire about successively and whether be inserted with hard disk on each physical interface;
If be inserted with hard disk, then inquire about the hard Disk Management System whether this hard disk has added digital hard disc video recorder to;
Whether if this hard disk does not add hard Disk Management System to, it is available then to inquire about this disk state;
If this disk state can be used, then notice can use the inter-related task of this hard disk to add this hard disk.
Execution mode of the present invention also provides a kind of device of charged unloading digital hard disc video recorder hard disk, comprising:
Notification unit, when being used to detect the signal that need extract hard disk, notice is using each inter-related task of this hard disk to stop using this hard disk;
Judging unit is used to judge whether each inter-related task all stops using this hard disk;
The hard Disk Management System updating block is used for when judging unit judges that each inter-related task is all stopped using this hard disk, from hard Disk Management System, upgrading the relevant information of this hard disk;
Execution mode of the present invention also provides a kind of device of charged installation digital hard disc video recorder hard disk, comprising:
The hard disk query unit is used for inquiring about successively whether be inserted with hard disk on each physical interface;
The hard Disk Management System query unit is used for inquiring when being inserted with hard disk on the physical interface in the hard disk query unit, inquires about the hard Disk Management System whether this hard disk has added digital hard disc video recorder to;
The disk state query unit is used for inquiring this hard disk when not adding hard Disk Management System in the hard Disk Management System query unit, and whether inquire about this disk state available;
The hard disk adding device, but be used for inquiring the disk state time spent in the disk state query unit, and notice can use the inter-related task of this hard disk to add this hard disk.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
When needs were extracted hard disk, the notice inter-related task was stopped using this hard disk, and upgraded the relevant information in the hard Disk Management System again after inter-related task is all stopped using by the time, can guarantee professional seamless branches when hard disk is changed, and business datum can not lost.
When detecting not the available hard disk in hard Disk Management System, the notice inter-related task adds this hard disk, makes DVR can normally discern and come into operation to the hard disk of newly plugging, and current each task is had no influence.
Further, completed video recording data are write hard disk, and record task is transferred to continuation execution on other hard disks that can carry out this task, thereby when the unloading of hard disk, do not need shutdown, video recording need not to interrupt, and has kept the continuity of recording a video.
Further, if task successfully do not stop using this this hard disk, then withdraw from and extract operation, and prompting makes mistakes, can avoid because when extracting hard disk, hard disk is writing data and is causing hard disc data imperfect even be destroyed.Simultaneously,, directly extract hard disk, easily hard disk is caused than macrolesion because hard disk is in the pattern of running up.
Further, can directly do not extracted by the hard disk of normal use.
Description of drawings
Fig. 1 is the schematic flow sheet of a kind of method of charged unloading digital hard disc video recorder hard disk in the first embodiment of the invention;
Fig. 2 is the schematic flow sheet of a kind of method of charged installation digital hard disc video recorder hard disk in the second embodiment of the invention;
Fig. 3 is the structural representation of a kind of device of charged unloading digital hard disc video recorder hard disk in the third embodiment of the invention;
Fig. 4 is the structural representation of a kind of device of charged installation digital hard disc video recorder hard disk in the four embodiment of the invention.
Embodiment
In following narration, many ins and outs have been proposed in order to make the reader understand the application better.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on the many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
For making the object of the invention, technical scheme and advantage clearer, will combine accompanying drawing that execution mode of the present invention is done to describe in detail further below.
First embodiment of the invention relates to a kind of method of charged unloading digital hard disc video recorder hard disk.Fig. 1 is the schematic flow sheet of the method for this charged unloading digital hard disc video recorder hard disk.Specifically, as shown in Figure 1, the method for this charged unloading digital hard disc video recorder hard disk mainly may further comprise the steps:
In step 101, the hard disk X that selection will be extracted also confirms to carry out.
After this get into step 102, send the instruction of extracting hard disk X to digital hard disc video recorder.
Through in the operation of Local or Remote, send the instruction of extracting the appointment hard disk to digital hard disc video recorder to human-computer interaction interface.
The client needs manually to initiate to extract operating system just can carry out following Eject step, and DVR can initiatively not go to carry out the operation of extracting certain hard disk.In the present invention, select any piece hard disk will extract any piece hard disk, do not influenced the operate as normal of other hard disks simultaneously.
In addition, be appreciated that also can not be the people for sending signal, but send signal automatically, for example send signal when hard-disk capacity will exhaust detecting, or send signal when reaching the scheduled time by system, or the like.
After this get into step 103, the task that notice and wait are relevant with hard disk X is stopped using this hard disk.
When digital hard disc video recorder detected the signal that need extract hard disk, notice was using each inter-related task of this hard disk to stop using this hard disk.
Among the present invention, inter-related task refers in particular to and uses the task of specifying hard disk, is using and is specifying the inter-related task of hard disk to mainly contain video recording, daily record and playback.In addition, be appreciated that in some other instance of the present invention, also can comprise the task of other type.
When digital hard disc video recorder detected the signal that need extract hard disk, notice was using each inter-related task of this hard disk to stop using in the step of this hard disk, also comprises following substep:
The notice record task is stopped using this hard disk, and completed video recording data are write hard disk, and record task is transferred to continuation execution on other hard disks that can carry out this task.Completed video recording data are write hard disk, and record task is transferred to continuation execution on other hard disks that can carry out this task, thereby when the unloading of hard disk, do not need shutdown, video recording need not to interrupt, and has kept the continuity of recording a video.
The notice log task is stopped using this hard disk, and completed daily record data is write hard disk, and log task is transferred to continuation execution on other hard disks that can carry out this task.
Notice playback task is stopped using this hard disk, finishes the current playback task.
After this get into step 104, judge whether inter-related task all stops using this hard disk.
If then get into step 105; If not, then get into step 107.
When needs are extracted hard disk; The notice inter-related task is stopped using this hard disk, and after waiting for that inter-related task is all stopped using this hard disk, upgrades the relevant information of this hard disk in hard Disk Management System again; Can guarantee professional seamless branches when hard disk is changed, business datum can not lost.
In step 105, from hard Disk Management System, upgrade the relevant information of hard disk X, making needs to use the task of this hard disk to learn that this hard disk is unavailable.
Hard Disk Management System is DVR to a holistic management platform of the hard disk among the DVR Already in.The other system module can be known the information of the hard disk of current existence through modes such as inquiries; These information comprise that the state of hard disk is (normal; Format, mistake etc.), the record of carrying out on the hard disk of the task execution of specific tasks (thereby can go to control) etc. through these records.
After this get into step 106, unloading hard disk X.After this correctly withdraw from process ends.
This hard disk of unloading from operating system.
The method that in different operating systems, realizes the hard disk unloading possibly have nothing in common with each other, and for example, in linux system, can instruct with Umount and unload hard disk.Technical scheme of the present invention also is applicable to other operating system, like Windows, and Unix or the like.
Umount is the linux system instruction, can separate the extension file system.But the Umount removal hangs over the file system in the Linux catalogue at present.
In some other execution mode of the present invention, do not use file system, then can not need unload the step of hard disk.
In step 107, judge to carry out and stop using the operation of this hard disk whether overtime.
If then make mistakes and withdraw from, process ends; If not, then get back to step 103 once more.
If after scheduled duration, still have task continuing to use this hard disk, then withdraw from and extract operation, and in the prompting error message.
Scheduled duration can be 20 seconds, 30 seconds, 60 seconds or the like time periods of satisfying the demand arbitrarily.
If task successfully do not withdraw from, then withdraw from and extract operation, and prompting makes mistakes, can avoid because when extracting hard disk, hard disk is writing data and is causing hard disc data imperfect even be destroyed.Simultaneously,, directly extract hard disk, easily hard disk is caused than macrolesion because hard disk is in the pattern of running up.
Second embodiment of the invention relates to a kind of method of charged installation digital hard disc video recorder hard disk.Fig. 2 is the schematic flow sheet of the method for this charged installation digital hard disc video recorder hard disk.Specifically, as shown in Figure 2, the method for this charged installation digital hard disc video recorder hard disk mainly may further comprise the steps:
In step 201, inquire about on the next SATA mouth whether be inserted with hard disk.
If then get into step 202; If not, then get back to step 201 once more.
Inquire about successively and whether be inserted with hard disk on each physical interface.
Linux system is that each hard-disk interface creates different device file paths, and after inserting like the hard disk of SATA1 mouth, Making Path is/dev/sda, after the hard disk of SATA1 mouth is extracted/and dev/sda will be deleted.The present invention is through judging whether path/dev/sda exists to confirm whether plugged hard disk on the SATA1 mouth.In like manner through judging whether path/dev/sdb exists to confirm whether plugged hard disk on the SATA2 mouth.And the like.
Among the present invention, these one or more hard disks that general designation is wanted to unload are hard disk X, and the path is/dev/sdx.
In step 202, inquire about this hard disk and whether be added into the DVR hard Disk Management System.
If then get back to step 201 once more; If not, then get into step 203.
If be inserted with hard disk, then inquire about the hard Disk Management System whether this hard disk has added digital hard disc video recorder to.
In step 203, whether the inquiry disk state is available.
If then get into step 204; If not, then get into step 205.
Whether if this hard disk does not add hard Disk Management System to, it is available then to inquire about this disk state.
In step 204, the notice inter-related task adds this hard disk, drops into normally and uses.
After this process ends.
If this disk state can be used, then notice can use the inter-related task of this hard disk to add this hard disk.
When detecting not the available hard disk in hard Disk Management System, the notice inter-related task adds this hard disk, makes DVR can normally discern and come into operation to the hard disk of newly plugging, and current each task is had no influence.
In step 205, add hard Disk Management System to, and error condition is set.
After this process ends.
If this disk state is unavailable, then this hard disk is only added in the hard Disk Management System, and, the state of this hard disk in hard Disk Management System is set according to the actual disk state that obtains.
Actual disk state comprises no initializtion, hard disk mistake etc.
Can directly do not extracted by the hard disk of normal use.
Each method execution mode of the present invention all can be realized with modes such as software, hardware, firmwares.No matter the present invention be with software, hardware, or the firmware mode realize; Instruction code can be stored in the memory of computer-accessible of any kind (for example permanent or revisable; Volatibility or non-volatile; Solid-state or non-solid-state, fixing perhaps removable medium or the like).Equally; Memory can for example be programmable logic array (Programmable Array Logic; Be called for short " PAL "); Random access memory (Random Access Memory; Be called for short " RAM "); Programmable read only memory (Programmable Read Only Memory; Be called for short " PROM "); Read-only memory (Read-Only Memory; Be called for short " ROM "); Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM; Be called for short " EEPROM "); Disk; CD; Digital versatile disc (Digital Versatile Disc is called for short " DVD ") or the like.
Third embodiment of the invention relates to a kind of device of charged unloading digital hard disc video recorder hard disk.Fig. 3 is the structural representation of the device of this charged unloading digital hard disc video recorder hard disk.Specifically, as shown in Figure 3, the device of this charged unloading digital hard disc video recorder hard disk mainly comprises:
Notification unit, when being used to detect the signal that need extract hard disk, notice is using each inter-related task of this hard disk to stop using this hard disk.
Judging unit is used to judge whether each inter-related task all stops using this hard disk.
The hard Disk Management System updating block is used for when judging unit judges that each inter-related task is all stopped using this hard disk, from hard Disk Management System, upgrading the relevant information of this hard disk.
Alarm unit is used for after scheduled duration, still has task not stop using this hard disk if judging unit is judged, and then withdraw from and extract operation, and in the prompting error message.
First execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of first execution mode.The correlation technique details of mentioning in first execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in first execution mode.
Four embodiment of the invention relates to a kind of device of charged installation digital hard disc video recorder hard disk.Fig. 4 is the structural representation of the device of this charged installation digital hard disc video recorder hard disk.Specifically, as shown in Figure 4, the device of this charged installation digital hard disc video recorder hard disk mainly comprises:
The hard disk query unit is used for inquiring about successively whether be inserted with hard disk on each physical interface.
The hard Disk Management System query unit is used for inquiring when being inserted with hard disk on the physical interface in the hard disk query unit, inquires about the hard Disk Management System whether this hard disk has added digital hard disc video recorder to.
The disk state query unit is used for inquiring this hard disk when not adding hard Disk Management System in the hard Disk Management System query unit, and whether inquire about this disk state available.
The hard disk adding device, but be used for inquiring the disk state time spent in the disk state query unit, and notice can use the inter-related task of this hard disk to add this hard disk.
Disk state is provided with the unit, is used for inquiring disk state when unavailable in the disk state query unit, this hard disk is only added in the hard Disk Management System, and according to the actual disk state that obtains, the state of this hard disk in hard Disk Management System is set.
Second execution mode is and the corresponding method execution mode of this execution mode, this execution mode can with the enforcement of working in coordination of second execution mode.The correlation technique details of mentioning in second execution mode is still effective in this execution mode, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in this execution mode also can be applicable in second execution mode.
Need to prove; Each unit of mentioning in each device of the present invention all is a logical block; Physically; A logical block can be a physical location; It also can be the part of a physical location; Can also realize that the physics realization mode of these logical blocks itself is not most important with the combination of a plurality of physical locations, the combination of the function that these logical blocks realized is the key that just solves technical problem proposed by the invention.In addition, for outstanding innovation part of the present invention, above-mentioned each device of the present invention will not introduced with solving the not too close unit of technical problem relation proposed by the invention, and this does not show that there is not other unit in the said equipment execution mode.
Though through reference some preferred implementation of the present invention; The present invention is illustrated and describes; But those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (11)
1. the method for a charged unloading digital hard disc video recorder hard disk is characterized in that, may further comprise the steps:
When digital hard disc video recorder detected the signal that need extract hard disk, notice was using each inter-related task of this hard disk to stop using this hard disk;
When said each inter-related task was stopped using this hard disk, the state information of in hard Disk Management System, upgrading this hard disk was unavailable;
It is on available other hard disks that each inter-related task is transferred to state information, continues to carry out each inter-related task.
2. the method for charged unloading digital hard disc video recorder hard disk according to claim 1; It is characterized in that; In said state information that each inter-related task is transferred to is on available other hard disks, continues to carry out in the step of each inter-related task, also comprises following substep:
The notice record task is stopped using this hard disk, and completed video recording data are write hard disk, and record task is transferred to continuation execution on other hard disks that can carry out this task.
3. the method for charged unloading digital hard disc video recorder hard disk according to claim 1; It is characterized in that; In said state information that each inter-related task is transferred to is on available other hard disks, continues to carry out in the step of each inter-related task, also comprises following substep:
The notice log task is stopped using this hard disk, and completed daily record data is write hard disk, and log task is transferred to continuation execution on other hard disks that can carry out this task.
4. the method for charged unloading digital hard disc video recorder hard disk according to claim 1; It is characterized in that; In said state information that each inter-related task is transferred to is on available other hard disks, continues to carry out in the step of each inter-related task, also comprises following substep:
Notice playback task is stopped using this hard disk, finishes the current playback task.
5. according to the method for each described charged unloading digital hard disc video recorder hard disk in the claim 1 to 4; It is characterized in that; When said each inter-related task is stopped using this hard disk, the state information of in hard Disk Management System, upgrading this hard disk be unavailable after, further comprising the steps of:
If after scheduled duration, still have task not stop using this hard disk, then withdraw from and extract operation, and the prompting error message.
6. the method for a charged installation digital hard disc video recorder hard disk is characterized in that, may further comprise the steps:
Inquire about successively and whether be inserted with hard disk on each physical interface;
If be inserted with hard disk, then inquire about the hard Disk Management System whether this hard disk has added digital hard disc video recorder to;
Whether if this hard disk does not add said hard Disk Management System to, it is available then to inquire about this disk state;
If this disk state can be used, then notice can use the inter-related task of this hard disk to add this hard disk.
7. whether available the method for charged installation digital hard disc video recorder hard disk according to claim 6 is characterized in that, if do not add said hard Disk Management System at said this hard disk, then inquire about after this disk state step, and is further comprising the steps of:
If this disk state is unavailable, then this hard disk is only added in the hard Disk Management System, and, the state of this hard disk in hard Disk Management System is set according to the actual disk state that obtains.
8. the device of a charged unloading digital hard disc video recorder hard disk is characterized in that, comprising:
Notification unit, when being used to detect the signal that need extract hard disk, notice is using each inter-related task of this hard disk to stop using this hard disk;
Judging unit is used to judge whether said each inter-related task all stops using this hard disk;
The hard Disk Management System updating block is used for when said judging unit judges that each inter-related task is all stopped using this hard disk, from hard Disk Management System, upgrading the relevant information of this hard disk.
9. the device of charged unloading digital hard disc video recorder hard disk according to claim 8 is characterized in that, also comprises:
Alarm unit is used for after scheduled duration, still has task not withdraw from if said judging unit is judged, and then withdraw from and extract operation, and the prompting error message.
10. the device of a charged installation digital hard disc video recorder hard disk is characterized in that, comprising:
The hard disk query unit is used for inquiring about successively whether be inserted with hard disk on each physical interface;
The hard Disk Management System query unit is used for inquiring when being inserted with hard disk on the physical interface in said hard disk query unit, inquires about the hard Disk Management System whether this hard disk has added digital hard disc video recorder to;
The disk state query unit is used for inquiring this hard disk when not adding said hard Disk Management System in said hard Disk Management System query unit, and whether inquire about this disk state available;
The hard disk adding device, but be used for inquiring the disk state time spent in said disk state query unit, and notice can use the inter-related task of this hard disk to add this hard disk.
11. the device of charged installation digital hard disc video recorder hard disk according to claim 10 is characterized in that, also comprises:
Disk state is provided with the unit, is used for inquiring disk state when unavailable in said disk state query unit, this hard disk is only added in the hard Disk Management System, and according to the actual disk state that obtains, the state of this hard disk in hard Disk Management System is set.
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| WO2015176455A1 (en) * | 2014-05-22 | 2015-11-26 | 中兴通讯股份有限公司 | Hadoop-based hard disk damage handling method and device |
| CN105095030B (en) * | 2014-05-22 | 2019-05-28 | 中兴通讯股份有限公司 | Hard disk corruptions processing method and processing device based on Hadoop |
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| CN109074141B (en) * | 2016-07-13 | 2022-01-18 | 惠普发展公司，有限责任合伙企业 | Computing device with hot plug prediction circuit |
| CN107707856A (en) * | 2017-09-04 | 2018-02-16 | 青岛海信电器股份有限公司 | The method and device that a kind of multimedia programming is recorded |
| CN107707856B (en) * | 2017-09-04 | 2020-07-10 | 海信视像科技股份有限公司 | Method and device for recording multimedia program |
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Application publication date: 20120215 |