CN102360337B - Method for using hard disk according to quota on digital video recorder and device thereof - Google Patents
Method for using hard disk according to quota on digital video recorder and device thereof Download PDFInfo
- Publication number
- CN102360337B CN102360337B CN201110314290.3A CN201110314290A CN102360337B CN 102360337 B CN102360337 B CN 102360337B CN 201110314290 A CN201110314290 A CN 201110314290A CN 102360337 B CN102360337 B CN 102360337B
- Authority
- CN
- China
- Prior art keywords
- passage
- storage space
- quata
- quota
- exceeds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
The invention relates to the technology of audio/video storage and discloses a method for using a hard disk according to quota on a digital video recorder and a device thereof. In the invention, a quota of an available storage space is preassigned to each channel, when a channel quota is reduced and the hard disk has an undistributed surplus storage space, the digital video recorder does not immediately recover a storage space excessively used by the channel, and after the storage space used by the channel reaches the quota, the channel can not obtain a new storage space, so that storage resources on the digital video recorder can be more reasonably distributed, the available storage space of each channel is directly controlled, the validity of each channel video on the digital video recorder is improved, and the use is more convenient.
Description
Technical field
The present invention relates to audio frequency and video memory technology, particularly on digital hard disc video recorder, by quota, use the technology of hard disk.
Background technology
Disk Quotas is exactly that keeper can carry out quota restrictions for the disk space that user can use, and each user can only use the disk space in maximum quota limit.Arrange after Disk Quotas, can each user's disk service condition be followed the tracks of and be controlled, by monitoring, can identify the user over quota alarm threshold value and quota restrictions, thereby take appropriate measures.Providing of distributed disk management function, making keeper can be user assignment storage resources convenient and reasonablely, can limit the disk space that designated user can be used, can avoid like this causing other users normally to work because of certain user's excessive use disk space, even affect system operation, avoid the system crash that may cause out of control of using due to disk space, the security that has improved system.
In the Chinese patent that is 201010118459.3 at application number, the dynamic allocation method of user disk quota in a kind of distributed memory system is disclosed.Technical scheme is to build the distributed memory system that also initialization is comprised of meta data server and storage server; The memory access request that storage server receives increases subscriber's local Disk Quotas while being storage data, carry out again storage of subscriber data operation, if memory access request type is carried out user data deletion action for deleting data, subscriber's local Disk Quotas is set to subscriber's local disk space occupancy, calculates the increment of subscriber's local disk space occupancy and this increment is sent to meta data server; Meta data server calculates new user disk quota remaining sum and this remaining sum is sent to all storage servers.
Digital hard disc video recorder (Digital Video Recorder, be called for short " DVR "), it is a set of computer system of carrying out image stores processor, have to image or voice record a video for a long time, the function of recording, telemonitoring and control.
Passage: the another name that refers to certain camera accessing on digital hard disc video recorder.
In DVR, also there is no at present the concrete application of Disk Quotas technology, disk fails to obtain fully effectively to use.
Summary of the invention
The object of the present invention is to provide the method and the device thereof that on a kind of digital hard disc video recorder, by quota, use hard disk, the storage resources in distribute digital DVR more reasonably, directly control the operable storage space of each passage, improved the validity of each passage video recording on digital hard disc video recorder, used convenient.
For solving the problems of the technologies described above, embodiments of the present invention disclose a kind of use hard disk on digital hard disc video recorder by quota method, comprise the following steps:
Before starting passage and recording a video, for each passage is specified the quota of operable storage space;
When the quota of passage is modified to, be less than this passage during the actual storage space taking, this passage retains the actual storage space taking as the passage that exceeds the quata, comprising the above-quota space that exceeds the quata;
When having passage application storage space, judge whether hard disk exists unappropriated storage space, if it is from unappropriated storage space, be this channel allocation storage space, otherwise from the space that exceeds the quata, be this channel allocation storage space, and revise the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata.
Embodiments of the present invention also disclose the device that uses hard disk on a kind of digital hard disc video recorder by quota, comprising:
Allocation of quota unit, for before starting passage and recording a video, for each passage is specified the quota of operable storage space; When the quota of passage is revised as and is less than this passage during the actual storage space taking by described allocation of quota unit, this passage retains the actual storage space taking as the passage that exceeds the quata, comprising the above-quota space that exceeds the quata;
The first judging unit, for when having passage application storage space, judges whether hard disk exists unappropriated storage space;
The first storage space allocation unit, for when described the first judging unit, when judgement hard disk exists unappropriated storage space, is this channel allocation storage space from unappropriated storage space;
The second storage space allocation unit, for working as described the first judging unit, when judgement hard disk does not exist unappropriated storage space, from the described space that exceeds the quata, be this channel allocation storage space, and revise the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata.
Compared with prior art, the key distinction and effect thereof are embodiment of the present invention:
For each passage is specified the quota of operable storage space in advance, when passage quota reduces, when hard disk also has remaining storage space unallocated, digital hard disc video recorder can not reclaim this passage storage space using that exceeded the quata immediately, this space that exceeds the quata still can be for the passage that exceeds the quata, until remaining storage space is just recovered while exhausting, thereby the passage that makes to exceed the quata is stored in the data that exceed the quata in space that should be recovered and still can be normally accessed within a period of time, storage space can be fully utilized, the storage resources in distribute digital DVR more reasonably, directly control the operable storage space of each passage, improved the validity of each passage video recording on digital hard disc video recorder, use convenient.
Further, the storage space using when passage reaches after quota, and this passage can not obtain new storage space, can avoid like this certain passage excessively to use storage space, causes the problem of waste of storage space.
Further, each passage has set in advance priority, considers priority when recovery exceeds the quata space, can guarantee the validity of each passage video recording on digital hard disc video recorder, utilizes more rationally and effectively storage space.
Further, total quota can be greater than digital hard disc video recorder and can, for the total volume of the storage space of each passage, can more effectively utilize like this storage space of digital hard disc video recorder.
Accompanying drawing explanation
Fig. 1 is used the schematic flow sheet of the method for hard disk by quota on a kind of digital hard disc video recorder in first embodiment of the invention;
Fig. 2 specifies the schematic diagram of the quota of operable storage space in advance for each passage;
Fig. 3 is used the structural representation of the device of hard disk by quota on a kind of digital hard disc video recorder in fifth embodiment of the invention;
Fig. 4 is used the structural representation of the device of hard disk by quota on a kind of digital hard disc video recorder in sixth embodiment of the invention.
Embodiment
In the following description, in order to make reader understand the application better, many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs and the many variations based on following embodiment and modification, also can realize each claim of the application technical scheme required for protection.
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
First embodiment of the invention relates to a kind of use hard disk on digital hard disc video recorder by quota method.Fig. 1 is used the schematic flow sheet of the method for hard disk by quota on this digital hard disc video recorder.
Specifically, as shown in Figure 1, on this digital hard disc video recorder, by quota, use the method for hard disk mainly to comprise the following steps:
In step 101, for each passage is specified the quota of operable storage space.
Before starting passage and recording a video, for each passage is specified the quota of operable storage space.
Quota, refers to that the storage space on digital hard disc video recorder, each passage being used carries out size restriction, and each passage can only be used the storage space in maximum quota limit.
After this enter step 102, passage n applies for storage space.
After this enter step 103, judge whether the storage space that passage n takies is less than default quota.
If so, enter step 104; If not, enter step 109.
Judge whether the actual storage space taking of this passage is less than quota, if it is carry out to judge whether hard disk exists the step of unappropriated storage space, otherwise refuse the application requirement of this passage.
The storage space using when passage reaches after quota, and this passage can not obtain new storage space, can avoid like this certain passage excessively to use storage space, causes the problem of waste of storage space.
In step 104, judge whether DVR hard disk exists unappropriated storage space.
If so, enter step 108; If not, enter step 105.
When having passage application storage space, judge whether hard disk exists unappropriated storage space, if it is from unappropriated storage space, be this channel allocation storage space, otherwise from the space that exceeds the quata, be this channel allocation storage space, and revise the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata.
In step 105, judge whether to exist the passage that exceeds the quata.
When the quota of passage is modified to, be less than this passage during the actual storage space taking, this passage retains the actual storage space taking as the passage that exceeds the quata, comprising the above-quota space that exceeds the quata.
If so, enter step 106; If not, enter step 109.
In step 106, from the space that exceeds the quata, be passage n memory allocated space, and revise the actual spatial value taking of passage that exceeds the quata.
After this enter step 107, the success of passage n application storage space, the storage space value that more new tunnel n takies.
After this process ends.
In step 108, it from unappropriated storage space, is passage n memory allocated space.
After this enter step 107.
In step 109, passage n application space failure, continues to use the storage space having occupied.
After this process ends.
For each passage is specified the quota of operable storage space in advance, when passage quota reduces, when hard disk also has remaining storage space unallocated, digital hard disc video recorder can not reclaim this passage storage space using that exceeded the quata immediately, this space that exceeds the quata still can be for the passage that exceeds the quata, until remaining storage space is just recovered while exhausting, thereby the passage that makes to exceed the quata is stored in the data that exceed the quata in space that should be recovered and still can be normally accessed within a period of time, storage space can be fully utilized, the storage resources in distribute digital DVR more reasonably, directly control the operable storage space of each passage, improved the validity of each passage video recording on digital hard disc video recorder, use convenient.
Second embodiment of the invention relates to a kind of use hard disk on digital hard disc video recorder by quota method.
The second embodiment improves on the basis of the first embodiment, main improvements are: each passage has set in advance priority, when exceeding the quata space, recovery considers priority, can guarantee the validity of each passage video recording on digital hard disc video recorder, utilize more rationally and effectively storage space.
Specifically:
Each passage has set in advance priority.
From the space that exceeds the quata, for this channel allocation storage space, and the step of revising the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata comprises following sub-step:
Judge whether to exist the passage that exceeds the quata.
If there are a plurality of passages that exceed the quata, it from the space that exceeds the quata of the minimum passage that exceeds the quata of priority, is this channel allocation storage space.
If only have the passage that exceeds the quata, it from this passage that exceeds the quata, is this channel allocation storage space.
If do not exceed the quata passage, this passage application space failure, this passage continues to use original actual storage space taking.
In addition, be appreciated that in some other embodiment of the present invention, also can be not for each passage sets in advance priority, the priority of each passage is identical, while needing, respectively the exceed the quata space that exceeds the quata of passage of random recovery.
Third embodiment of the invention relates to a kind of use hard disk on digital hard disc video recorder by quota method.
The 3rd embodiment improves on the basis of the second embodiment, main improvements are: total quota can be greater than digital hard disc video recorder can, for the total volume of the storage space of each passage, can effectively utilize the storage space of digital hard disc video recorder so more.
In addition, be appreciated that in some other embodiment of the present invention, the quota sum of each passage also can be less than or equal to digital hard disc video recorder can be for the total volume of the storage space of each passage.
Four embodiment of the invention relates to a kind of use hard disk on digital hard disc video recorder by quota method.
The 4th embodiment improves on the basis of the 3rd embodiment, and main improvements are: can be the total volume of a plurality of hard disks for the total volume of the storage space of each passage.
The present invention treats as an integral body by hard disks all in digital hard disc video recorder, first user, when using quota function, need to divide system space, both the operable maximum memory space value of dedicated tunnel, as shown in Figure 2, be the situation after having configured.
Each method embodiment of the present invention all can be realized in modes such as software, hardware, firmwares.No matter the present invention realizes with software, hardware or firmware mode, instruction code can be stored in the storer of computer-accessible of any type (for example permanent or revisable, volatibility or non-volatile, solid-state or non-solid-state, fixing or removable medium etc.).Equally, storer can be for example 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 "), ROM (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, be called for short " DVD ") etc.
Fifth embodiment of the invention relates to the device that uses hard disk on a kind of digital hard disc video recorder by quota.Fig. 3 is used the structural representation of the device of hard disk by quota on this digital hard disc video recorder.
Specifically, as shown in Figure 3, on this digital hard disc video recorder, by quota, use the device of hard disk mainly to comprise:
Allocation of quota unit, for before starting passage and recording a video, for each passage is specified the quota of operable storage space; When the quota of passage is revised as and is less than this passage during the actual storage space taking by described allocation of quota unit, this passage retains the actual storage space taking as the passage that exceeds the quata, comprising the above-quota space that exceeds the quata;
The first judging unit, for when having passage application storage space, judges whether hard disk exists unappropriated storage space;
The first storage space allocation unit, for when described the first judging unit, when judgement hard disk exists unappropriated storage space, is this channel allocation storage space from unappropriated storage space;
The second storage space allocation unit, for working as described the first judging unit, when judgement hard disk does not exist unappropriated storage space, from the described space that exceeds the quata, be this channel allocation storage space, and revise the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata.
The second judging unit, for when having passage application storage space, judge whether the actual storage space taking of this passage is less than quota, if it is indicates described the first judging unit to judge whether hard disk exists unappropriated storage space, otherwise refuses the application requirement of this passage.
The first embodiment is the method embodiment corresponding with present embodiment, present embodiment can with the enforcement of working in coordination of the first embodiment.The correlation technique details of mentioning in the first embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in present embodiment also can be applicable in the first embodiment.
Sixth embodiment of the invention relates to the device that uses hard disk on a kind of digital hard disc video recorder by quota.Fig. 4 is used the structural representation of the device of hard disk by quota on this digital hard disc video recorder.
The 6th embodiment improves on the basis of the 5th embodiment, and main improvements are:
Each passage has set in advance priority, in the second storage space allocation unit, also comprises following subelement:
Judgment sub-unit, for judging whether to exist the passage that exceeds the quata;
Memory allocation subelement, for there be a plurality of exceeding the quata during passage when the judgement of described judgment sub-unit, is this channel allocation storage space from the space that exceeds the quata of the minimum passage that exceeds the quata of priority; When described judgment sub-unit, when judgement only has one to exceed the quata passage, from this passage that exceeds the quata, be this channel allocation storage space; When described judgment sub-unit, when judgement does not exceed the quata passage, this passage application space failure, this passage continues to use original actual storage space taking.
The second embodiment is the method embodiment corresponding with present embodiment, present embodiment can with the enforcement of working in coordination of the second embodiment.The correlation technique details of mentioning in the second embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in present embodiment also can be applicable in the second embodiment.
Seventh embodiment of the invention relates to the device that uses hard disk on a kind of digital hard disc video recorder by quota.
The 7th embodiment improves on the basis of the 6th embodiment, and main improvements are:
The quota sum of each passage can be greater than digital hard disc video recorder can be for the total volume of the storage space of each passage.
The 3rd embodiment is the method embodiment corresponding with present embodiment, present embodiment can with the enforcement of working in coordination of the 3rd embodiment.The correlation technique details of mentioning in the 3rd embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in present embodiment also can be applicable in the 3rd embodiment.
Eighth embodiment of the invention relates to the device that uses hard disk on a kind of digital hard disc video recorder by quota.
The 8th embodiment improves on the basis of the 7th embodiment, and main improvements are:
Can be the total volume of a plurality of hard disks for the total volume of the storage space of each passage.
The 4th embodiment is the method embodiment corresponding with present embodiment, present embodiment can with the enforcement of working in coordination of the 4th embodiment.The correlation technique details of mentioning in the 4th embodiment is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in present embodiment also can be applicable in the 4th embodiment.
It should be noted that, each unit of mentioning in each device embodiments of the present invention is all logical block, physically, a logical block can be a physical location, also can be a part for a physical location, can also realize with the combination of a plurality of physical locations, the physics realization mode of these logical blocks itself is not most important, and the combination of the function that these logical blocks realize is the key that just solves technical matters proposed by the invention.In addition, for outstanding innovation part of the present invention, above-mentioned each device embodiments of the present invention is not introduced the unit not too close with solving technical matters relation proposed by the invention, and this does not show that said apparatus embodiment does not exist other unit.
Although pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and described, 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 (10)
1. on digital hard disc video recorder, by quota, use a method for hard disk, it is characterized in that, comprise the following steps:
Before starting passage and recording a video, for each passage is specified the quota of operable storage space;
When the quota of passage is modified to, be less than this passage during the actual storage space taking, this passage retains the actual storage space taking as the passage that exceeds the quata, comprising the above-quota space that exceeds the quata;
When having passage application storage space, judge whether hard disk exists unappropriated storage space, if it is from unappropriated storage space, be this channel allocation storage space, otherwise from the described space that exceeds the quata, be this channel allocation storage space, and revise the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata; Wherein, passage refers to the another name of the camera accessing on digital hard disc video recorder.
2. on digital hard disc video recorder according to claim 1, by quota, use the method for hard disk, it is characterized in that, when having passage application storage space, described judge whether hard disk exists the step of unappropriated storage space before, further comprising the steps of:
Judge whether the actual storage space taking of this passage is less than quota, if it is carry out describedly judge whether hard disk exists the step of unappropriated storage space, otherwise refuse the application requirement of this passage.
3. on digital hard disc video recorder according to claim 1, by quota, use the method for hard disk, it is characterized in that, each passage has set in advance priority;
Described from the space that exceeds the quata for this channel allocation storage space, and the step of revising the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata comprises following sub-step:
Judge whether to exist the passage that exceeds the quata;
If there are a plurality of passages that exceed the quata, it from the space that exceeds the quata of the minimum passage that exceeds the quata of priority, is this channel allocation storage space;
If only have the passage that exceeds the quata, it from this passage that exceeds the quata, is this channel allocation storage space;
If do not exceed the quata passage, this passage application space failure, this passage continues to use original actual storage space taking.
4. according to use the method for hard disk on the digital hard disc video recorder described in any one in claims 1 to 3 by quota, it is characterized in that, the quota sum of each passage is greater than digital hard disc video recorder can be for the total volume of the storage space of each passage.
5. on digital hard disc video recorder according to claim 4, by quota, use the method for hard disk, it is characterized in that, the total volume of the described storage space for each passage is the total volume of a plurality of hard disks.
6. on digital hard disc video recorder, by quota, use a device for hard disk, it is characterized in that, comprising:
Allocation of quota unit, for before starting passage and recording a video, for each passage is specified the quota of operable storage space; When the quota of passage is revised as and is less than this passage during the actual storage space taking by described allocation of quota unit, this passage retains the actual storage space taking as the passage that exceeds the quata, comprising the above-quota space that exceeds the quata;
The first judging unit, for when having passage application storage space, judges whether hard disk exists unappropriated storage space;
The first storage space allocation unit, for when described the first judging unit, when judgement hard disk exists unappropriated storage space, is this channel allocation storage space from unappropriated storage space;
The second storage space allocation unit, for working as described the first judging unit, when judgement hard disk does not exist unappropriated storage space, from the described space that exceeds the quata, be this channel allocation storage space, and revise the actual storage space taking of the passage that exceeds the quata of this space corresponding that exceeds the quata; Wherein, passage refers to the another name of the camera accessing on digital hard disc video recorder.
7. on digital hard disc video recorder according to claim 6, by quota, use the device of hard disk, it is characterized in that, also comprise:
The second judging unit, for when having passage application storage space, judge whether the actual storage space taking of this passage is less than quota, if it is indicates described the first judging unit to judge whether hard disk exists unappropriated storage space, otherwise refuses the application requirement of this passage.
8. on digital hard disc video recorder according to claim 6, by quota, use the device of hard disk, it is characterized in that, each passage has set in advance priority, in described the second storage space allocation unit, also comprises following subelement:
Judgment sub-unit, for judging whether to exist the passage that exceeds the quata;
Memory allocation subelement, for there be a plurality of exceeding the quata during passage when the judgement of described judgment sub-unit, is this channel allocation storage space from the space that exceeds the quata of the minimum passage that exceeds the quata of priority; When described judgment sub-unit, when judgement only has one to exceed the quata passage, from this passage that exceeds the quata, be this channel allocation storage space; When described judgment sub-unit, when judgement does not exceed the quata passage, this passage application space failure, this passage continues to use original actual storage space taking.
9. according to use the device of hard disk on the digital hard disc video recorder described in any one in claim 6 to 8 by quota, it is characterized in that, the quota sum of each passage is greater than digital hard disc video recorder can be for the total volume of the storage space of each passage.
10. on digital hard disc video recorder according to claim 9, by quota, use the device of hard disk, it is characterized in that, the total volume of the described storage space for each passage is the total volume of a plurality of hard disks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110314290.3A CN102360337B (en) | 2011-10-17 | 2011-10-17 | Method for using hard disk according to quota on digital video recorder and device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110314290.3A CN102360337B (en) | 2011-10-17 | 2011-10-17 | Method for using hard disk according to quota on digital video recorder and device thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102360337A CN102360337A (en) | 2012-02-22 |
| CN102360337B true CN102360337B (en) | 2014-10-15 |
Family
ID=45585666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110314290.3A Active CN102360337B (en) | 2011-10-17 | 2011-10-17 | Method for using hard disk according to quota on digital video recorder and device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102360337B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107197191B (en) * | 2017-05-27 | 2021-05-11 | 深圳市景阳科技股份有限公司 | Writing method and device for network hard disk video |
| CN107506242A (en) * | 2017-08-30 | 2017-12-22 | 郑州云海信息技术有限公司 | A kind of quota application method and system |
| CN111831206B (en) * | 2019-04-15 | 2022-06-14 | 浙江宇视科技有限公司 | Storage space switching method and back-end monitoring system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510177A (en) * | 2009-03-06 | 2009-08-19 | 成都市华为赛门铁克科技有限公司 | Storage method and computer system |
| CN101799797A (en) * | 2010-03-05 | 2010-08-11 | 中国人民解放军国防科学技术大学 | Dynamic allocation method of user disk quota in distributed storage system |
| CN101931776A (en) * | 2010-06-21 | 2010-12-29 | 杭州海康威视数字技术股份有限公司 | Data storage system in video monitoring and method for storing, previewing and reviewing data |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6389432B1 (en) * | 1999-04-05 | 2002-05-14 | Auspex Systems, Inc. | Intelligent virtual volume access |
| CN100362492C (en) * | 2005-07-20 | 2008-01-16 | 杭州海康威视数字技术有限公司 | Digital hard disc recorder file managing method for preventing file fragment production |
| CN100557578C (en) * | 2007-06-19 | 2009-11-04 | 华为技术有限公司 | Dynamic storage management device and method |
-
2011
- 2011-10-17 CN CN201110314290.3A patent/CN102360337B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510177A (en) * | 2009-03-06 | 2009-08-19 | 成都市华为赛门铁克科技有限公司 | Storage method and computer system |
| CN101799797A (en) * | 2010-03-05 | 2010-08-11 | 中国人民解放军国防科学技术大学 | Dynamic allocation method of user disk quota in distributed storage system |
| CN101931776A (en) * | 2010-06-21 | 2010-12-29 | 杭州海康威视数字技术股份有限公司 | Data storage system in video monitoring and method for storing, previewing and reviewing data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102360337A (en) | 2012-02-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7895394B2 (en) | Storage system | |
| KR100289628B1 (en) | Resource management method and apparatus for information processing system of multitasking facility | |
| JP2013509658A (en) | Allocation of storage memory based on future usage estimates | |
| JP4135747B2 (en) | Data processing apparatus and flash memory access method | |
| CN101673192B (en) | Method for time-sequence data processing, device and system therefor | |
| US20110225357A1 (en) | System for Determining Allocation of Tape Drive Resources for a Secure Data Erase Process | |
| WO2012149728A1 (en) | Data deletion method and device | |
| US9703527B2 (en) | Storage device and method for reallocating storage device resources based on an estimated fill level of a host buffer | |
| US11899580B2 (en) | Cache space management method and apparatus | |
| CN113495889B (en) | Distributed object storage method and device, electronic equipment and storage medium | |
| CN112051970A (en) | Dirty data management for hybrid drives | |
| CN105677243A (en) | Data writing device and method | |
| CN102360337B (en) | Method for using hard disk according to quota on digital video recorder and device thereof | |
| CN102023821A (en) | Disc space management method and system | |
| CN110389712B (en) | Data writing method and device, solid state disk and computer readable storage medium | |
| CN115686385A (en) | Data storage method and device, computer equipment and storage medium | |
| CN113064553B (en) | Data storage method, device, equipment and medium | |
| RU2615072C2 (en) | Information processing method and device and recording medium | |
| KR100631765B1 (en) | Apparatus and method for processing data in flash memory | |
| KR101975634B1 (en) | Digital memory imaging system and method | |
| EP3742297A1 (en) | Data processing | |
| CN110806840A (en) | Flash memory card data storage method based on multiple data streams, flash memory card and equipment | |
| CN103064793B (en) | Simplify configuration capacity recovery method and system | |
| Kim et al. | Improving file system performance and reliability of car digital video recorders | |
| Khouzani et al. | Architecting data placement in SSDs for efficient secure deletion implementation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |