CN105260266A - Snapshot volume writing method and dependent snapshot system - Google Patents
Snapshot volume writing method and dependent snapshot system Download PDFInfo
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- CN105260266A CN105260266A CN201510616351.XA CN201510616351A CN105260266A CN 105260266 A CN105260266 A CN 105260266A CN 201510616351 A CN201510616351 A CN 201510616351A CN 105260266 A CN105260266 A CN 105260266A
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Abstract
The invention discloses a snapshot volume writing method and a dependent snapshot system. The method comprises the steps as follows: writing request information for carrying out a data updating operation on a target data block of a snapshot volume is obtained; the writing request information comprises an external snapshot ID of the snapshot volume and block number information of the target data block; when the data updating operation is the first data updating operation carried out on the target data block, a new data block is created on a data volume; the updating data corresponding to the data updating operation are written into the new data block; a corresponding relationship among an internal snapshot ID associated with the external snapshot ID, the block number information of the target data block and the block number information of the new data block is recorded; and when the data updating operation is not the first data updating operation carried out on the target data block, the updating data corresponding to the data updating operation are directly written into the new data block, so that the integrity of original snapshot data is also ensured when a writing operation on the snapshot volume is achieved.
Description
Technical field
The present invention relates to snapping technique field, particularly a kind of snapped volume write method and dependent snapshot system.
Background technology
At present, in traditional dependent snapshot system, snapped volume is normally read-only, seldom can support write operation.Even if when supporting snapped volume to write, also be only utilize new data directly to replace covering to the legacy data in a certain data block of snapped volume, original snapshot data on snapped volume will be caused like this to wreck, thus cause the loss of original snapshot data.
Can find out in sum, how while realization carries out write operation to the snapped volume of dependent snapshot system, ensure that the integrality of original snapshot data is current problem demanding prompt solution.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of snapped volume write method and dependent snapshot system, while achieving write operation is carried out to the snapped volume of dependent snapshot system, also assures that the integrality of original snapshot data.Its concrete scheme is as follows:
A kind of snapped volume write method, is applied to dependent snapshot system; Described method comprises:
Obtain the write request information of the target data block of snapped volume being carried out to Data Update operation, said write solicited message comprises the outside snapshot ID of described snapped volume and the block information of described target data block, and described target data block is arbitrary data block of described snapped volume;
When described Data Update is operating as the operation of Data Update first carried out described target data block, then in book, create a new data block, more new data corresponding to this secondary data renewal rewards theory is written to described new data block, and record is carried out to the corresponding relation between the block information of the inside snapshot ID be associated with described outside snapshot ID, described target data block and the block information of described new data block, obtain corresponding relation record information;
When the operation of described Data Update is not the operation of Data Update first carried out described target data block, then the more new data corresponding to this secondary data renewal rewards theory is directly write to described new data block.
Preferably, the described process creating a new data block in book, comprising:
According to the block information of described target data block, determine the memory capacity of described target data block;
Described book creates a new data block, and the memory capacity of this data block is identical with the memory capacity of described target data block.
Preferably, described method also comprises:
By table storage mode, all relation record information recorded is preserved, correspondingly obtains indexed table.
Preferably, describedly judge that whether the operation of described Data Update is the process to the operation of Data Update first that described target data block carries out, comprising:
Described indexed table is retrieved, to determine whether there is the relation record information corresponding with the block information of described inner snapshot ID and described target data block, if not, then determine that described Data Update is operating as the operation of Data Update first carried out described target data block, if so, then determine that the operation of described Data Update is not the operation of Data Update first carried out described target data block.
The invention also discloses a kind of dependent snapshot system, comprise source book and book, also comprise:
Acquisition request module, for obtaining the write request information of the target data block of snapped volume being carried out to Data Update operation, said write solicited message comprises the outside snapshot ID of described snapped volume and the block information of described target data block, and described target data block is arbitrary data block of described snapped volume;
Judge module, for judging whether the operation of described Data Update is the operation of Data Update first carried out described target data block;
Data block creation module, during for being operating as the operation of Data Update first carried out described target data block when described Data Update, book creates a new data block;
First Data write. module, after creating described new data block when described data block creation module in described book, is written to described new data block by the more new data corresponding to this secondary data renewal rewards theory;
Metadata volume, after creating described new data block when described data block creation module in described book, the inside snapshot ID be associated to described outside snapshot ID, corresponding relation between the block information of described target data block and the block information of described new data block carry out record, obtain corresponding relation record information;
Second Data write. module, during for not being the operation of Data Update first carried out described target data block when the operation of described Data Update, directly writes to described new data block by the more new data corresponding to this secondary data renewal rewards theory.
Preferably, described data block creation module comprises:
Capacity determining unit, during for being operating as the operation of Data Update first carried out described target data block when described Data Update, according to the block information of described target data block, determines the memory capacity of described target data block;
Data block creating unit, for creating a new data block in described book, and the memory capacity of this data block is identical with the memory capacity of described target data block.
Preferably, described system also comprises:
Form generation module, for by table storage mode, preserves all relation record information recorded, correspondingly obtains indexed table.
Preferably, described judge module comprises:
Retrieval unit, for retrieving described indexed table, to determine whether there is the relation record information corresponding with the block information of described inner snapshot ID and described target data block;
First determining unit, for when there is not the relation record information corresponding with the block information of described inner snapshot ID and described target data block in described indexed table, determine that described Data Update is operating as the operation of Data Update first carried out described target data block;
Second determining unit, for when there is the relation record information corresponding with the block information of described inner snapshot ID and described target data block in described indexed table, then determine that the operation of described Data Update is not operate the Data Update first that described target data block carries out.
In the present invention, first obtain the write request information of the target data block of snapped volume being carried out to Data Update operation, wherein, write request information comprises the outside snapshot ID of snapped volume and the block information of target data block, and target data block is arbitrary data block of snapped volume; When Data Update is operating as the operation of Data Update first carried out target data block, then in book, create a new data block, more new data corresponding to this secondary data renewal rewards theory is written to new data block, and record is carried out to the corresponding relation between the block information of the inside snapshot ID be associated with outside snapshot ID, target data block and the block information of new data block, obtain corresponding relation record information; When Data Update operation is not the operation of Data Update first carried out target data block, then the more new data corresponding to this secondary data renewal rewards theory is directly write to new data block.Visible, the present invention is before upgrading the snapped volume in dependent snapshot system, first determine whether this renewal rewards theory is operate the Data Update first of target data block, if, then in book, create a new data block, so that corresponding more new data is write in above-mentioned new data block, and also non-immediate more will write target data block by new data, like this, in target data block, original snapshot data preserved just can be retained, thus while achieving write operation is carried out to the snapped volume of dependent snapshot system, also assures that the integrality of original snapshot data.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is a kind of snapped volume write method process flow diagram disclosed in the embodiment of the present invention;
Fig. 2 is a kind of dependent snapshot system architecture schematic diagram disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of snapped volume write method, be applied to dependent snapshot system; Shown in Figure 1, the method comprises:
Step S101: obtain the write request information of the target data block of snapped volume being carried out to Data Update operation, write request information comprises the outside snapshot ID of snapped volume and the block information of target data block, and target data block is arbitrary data block of snapped volume;
Step S102: when Data Update is operating as the operation of Data Update first carried out target data block, then in book, create a new data block, more new data corresponding to this secondary data renewal rewards theory is written to new data block, and record is carried out to the corresponding relation between the block information of the inside snapshot ID be associated with outside snapshot ID, target data block and the block information of new data block, obtain corresponding relation record information;
Step S103: when Data Update operation is not the operation of Data Update first carried out target data block, then the more new data corresponding to this secondary data renewal rewards theory is directly write to new data block.
It should be noted that, above-mentioned relation recorded information specifically can according to { structural form of A+B, C} constructs, and wherein A represents the block information that inner snapshot ID, B represent target data block, and C represents the block information of new data block.Certainly, user according to the actual needs, can utilize the structural form of other type to construct above-mentioned relation recorded information, does not enumerate at this.In addition, it is pointed out that said external snapshot ID refers to the visible snapshot revision ID of user, inner snapshot ID then refers to the visible snapshot revision ID of back-stage management personnel, wherein, in one-to-one relationship between outside snapshot ID and inner snapshot ID.
In the embodiment of the present invention, first obtain the write request information of the target data block of snapped volume being carried out to Data Update operation, wherein, write request information comprises the outside snapshot ID of snapped volume and the block information of target data block, and target data block is arbitrary data block of snapped volume; When Data Update is operating as the operation of Data Update first carried out target data block, then in book, create a new data block, more new data corresponding to this secondary data renewal rewards theory is written to new data block, and record is carried out to the corresponding relation between the block information of the inside snapshot ID be associated with outside snapshot ID, target data block and the block information of new data block, obtain corresponding relation record information; When Data Update operation is not the operation of Data Update first carried out target data block, then the more new data corresponding to this secondary data renewal rewards theory is directly write to new data block.
Visible, the embodiment of the present invention is before upgrading the snapped volume in dependent snapshot system, first determine whether this renewal rewards theory is operate the Data Update first of target data block, if, then in book, create a new data block, so that corresponding more new data is write in above-mentioned new data block, and also non-immediate more will write target data block by new data, like this, in target data block, original snapshot data preserved just can be retained, thus while achieving write operation is carried out to the snapped volume of dependent snapshot system, also assures that the integrality of original snapshot data.
The embodiment of the invention also discloses a kind of concrete snapped volume write method, relative to a upper embodiment, the present embodiment has been done to further illustrate and optimize to technical scheme.Concrete:
The process creating a new data block in book in a upper embodiment step S102, specifically can comprise: according to the block information of target data block, determine the memory capacity of target data block; Book creates a new data block, and the memory capacity of this data block is identical with the memory capacity of target data block.
Further, the method in the present embodiment can also comprise: by table storage mode, preserves, correspondingly obtain indexed table to all relation record information recorded.
On the basis generating indexed table, judge whether Data Update operation is the process that the Data Update first of carrying out target data block operates, and specifically can comprise:
Indexed table is retrieved, to determine whether there is the relation record information corresponding with the block information of inner snapshot ID and target data block, if not, then determine that Data Update is operating as the operation of Data Update first carried out target data block, if so, then determine that Data Update operation is not the operation of Data Update first carried out target data block.
The embodiment of the invention also discloses a kind of dependent snapshot system, shown in Figure 2, this system comprises source book 21 and book 22, also comprises:
Acquisition request module 23, for obtaining the write request information of the target data block of snapped volume being carried out to Data Update operation, write request information comprises the outside snapshot ID of snapped volume and the block information of target data block, and target data block is arbitrary data block of snapped volume;
Judge module 24, for judging whether Data Update operation is the operation of Data Update first carried out target data block;
Data block creation module 25, during for being operating as the operation of Data Update first carried out target data block when Data Update, book 22 creates a new data block;
First Data write. module 26, for after data block creation module 25 creates new data block in book 22, is written to new data block by the more new data corresponding to this secondary data renewal rewards theory;
Metadata volume 27, for after data block creation module 25 creates new data block in book 22, the inside snapshot ID be associated to outside snapshot ID, corresponding relation between the block information of target data block and the block information of new data block carry out record, obtain corresponding relation record information;
Second Data write. module 28, for when Data Update operation is not the operation of Data Update first carried out target data block, directly writes to new data block by the more new data corresponding to this secondary data renewal rewards theory.
In the present embodiment, data block creation module 25 specifically can comprise capacity determining unit and data block creating unit, wherein,
Capacity determining unit is specifically for being operating as the operation of Data Update first carried out target data block during when Data Update, according to the block information of target data block, determine the memory capacity of target data block;
Data block creating unit specifically for creating a new data block in book 22, and the memory capacity of this data block is identical with the memory capacity of target data block.
Further, the system in the present embodiment can also comprise form generation module, for by table storage mode, preserves, correspondingly obtain indexed table to all relation record information recorded.
Utilizing form generation module to generate on the basis of indexed table, the judge module 24 of the present embodiment specifically can comprise retrieval unit, the first determining unit and the second determining unit.Wherein,
Retrieval unit, for retrieving indexed table, to determine whether there is the relation record information corresponding with the block information of inner snapshot ID and target data block;
First determining unit, for when there is not the relation record information corresponding with the block information of inner snapshot ID and target data block in indexed table, determines that Data Update is operating as the operation of Data Update first carried out target data block;
Second determining unit, for when there is the relation record information corresponding with the block information of inner snapshot ID and target data block in indexed table, then determines that Data Update operation is not operate the Data Update first that target data block carries out.
In the embodiment of the present invention, first utilize acquisition request module, obtain the write request information of the target data block of snapped volume being carried out to Data Update operation, wherein, write request information comprises the outside snapshot ID of snapped volume and the block information of target data block, and target data block is arbitrary data block of snapped volume; When judge module judges that Data Update is operating as the operation of Data Update first carried out target data block, then utilize data block creation module, book creates a new data block, by the first Data write. module, more new data corresponding to this secondary data renewal rewards theory is written to new data block, and by metadata volume, record is carried out to the corresponding relation between the block information of the inside snapshot ID be associated with outside snapshot ID, target data block and the block information of new data block, obtains corresponding relation record information; When judge module judges that Data Update operation is not the operation of Data Update first carried out target data block, then utilize the second Data write. module, the more new data corresponding to this secondary data renewal rewards theory is directly write to new data block.
Visible, the embodiment of the present invention is before upgrading the snapped volume in dependent snapshot system, first determine whether this renewal rewards theory is operate the Data Update first of target data block, if, then in book, create a new data block, so that corresponding more new data is write in above-mentioned new data block, and also non-immediate more will write target data block by new data, like this, in target data block, original snapshot data preserved just can be retained, thus while achieving write operation is carried out to the snapped volume of dependent snapshot system, also assures that the integrality of original snapshot data.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above a kind of snapped volume write method provided by the present invention and dependent snapshot system are described in detail, apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a snapped volume write method, is characterized in that, is applied to dependent snapshot system; Described method comprises:
Obtain the write request information of the target data block of snapped volume being carried out to Data Update operation, said write solicited message comprises the outside snapshot ID of described snapped volume and the block information of described target data block, and described target data block is arbitrary data block of described snapped volume;
When described Data Update is operating as the operation of Data Update first carried out described target data block, then in book, create a new data block, more new data corresponding to this secondary data renewal rewards theory is written to described new data block, and record is carried out to the corresponding relation between the block information of the inside snapshot ID be associated with described outside snapshot ID, described target data block and the block information of described new data block, obtain corresponding relation record information;
When the operation of described Data Update is not the operation of Data Update first carried out described target data block, then the more new data corresponding to this secondary data renewal rewards theory is directly write to described new data block.
2. snapped volume write method according to claim 1, is characterized in that, the described process creating a new data block in book, comprising:
According to the block information of described target data block, determine the memory capacity of described target data block;
Described book creates a new data block, and the memory capacity of this data block is identical with the memory capacity of described target data block.
3. snapped volume write method according to claim 1 and 2, is characterized in that, also comprise:
By table storage mode, all relation record information recorded is preserved, correspondingly obtains indexed table.
4. snapped volume write method according to claim 3, is characterized in that, judges whether the operation of described Data Update is the process that the Data Update first of carrying out described target data block operates, and comprising:
Described indexed table is retrieved, to determine whether there is the relation record information corresponding with the block information of described inner snapshot ID and described target data block, if not, then determine that described Data Update is operating as the operation of Data Update first carried out described target data block, if so, then determine that the operation of described Data Update is not the operation of Data Update first carried out described target data block.
5. a dependent snapshot system, is characterized in that, comprises source book and book, also comprises:
Acquisition request module, for obtaining the write request information of the target data block of snapped volume being carried out to Data Update operation, said write solicited message comprises the outside snapshot ID of described snapped volume and the block information of described target data block, and described target data block is arbitrary data block of described snapped volume;
Judge module, for judging whether the operation of described Data Update is the operation of Data Update first carried out described target data block;
Data block creation module, during for being operating as the operation of Data Update first carried out described target data block when described Data Update, book creates a new data block;
First Data write. module, after creating described new data block when described data block creation module in described book, is written to described new data block by the more new data corresponding to this secondary data renewal rewards theory;
Metadata volume, after creating described new data block when described data block creation module in described book, the inside snapshot ID be associated to described outside snapshot ID, corresponding relation between the block information of described target data block and the block information of described new data block carry out record, obtain corresponding relation record information;
Second Data write. module, during for not being the operation of Data Update first carried out described target data block when the operation of described Data Update, directly writes to described new data block by the more new data corresponding to this secondary data renewal rewards theory.
6. dependent snapshot system according to claim 5, is characterized in that, described data block creation module comprises:
Capacity determining unit, during for being operating as the operation of Data Update first carried out described target data block when described Data Update, according to the block information of described target data block, determines the memory capacity of described target data block;
Data block creating unit, for creating a new data block in described book, and the memory capacity of this data block is identical with the memory capacity of described target data block.
7. the dependent snapshot system according to claim 5 or 6, is characterized in that, also comprise:
Form generation module, for by table storage mode, preserves all relation record information recorded, correspondingly obtains indexed table.
8. dependent snapshot system according to claim 7, is characterized in that, described judge module comprises:
Retrieval unit, for retrieving described indexed table, to determine whether there is the relation record information corresponding with the block information of described inner snapshot ID and described target data block;
First determining unit, for when there is not the relation record information corresponding with the block information of described inner snapshot ID and described target data block in described indexed table, determine that described Data Update is operating as the operation of Data Update first carried out described target data block;
Second determining unit, for when there is the relation record information corresponding with the block information of described inner snapshot ID and described target data block in described indexed table, then determine that the operation of described Data Update is not operate the Data Update first that described target data block carries out.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293882A (en) * | 2016-08-12 | 2017-01-04 | 浪潮(北京)电子信息产业有限公司 | A kind of virtual disk snapshot implementing method and device |
| CN109032507A (en) * | 2018-06-28 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of method, system and associated component generating source book storage snapshot |
| CN109324929A (en) * | 2018-09-17 | 2019-02-12 | 郑州云海信息技术有限公司 | A kind of snapshot creation method, device, equipment and readable storage medium storing program for executing |
| CN109491961A (en) * | 2018-10-22 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of method and Snapshot Devices of file system snapshot |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327551A (en) * | 1990-03-02 | 1994-07-05 | Fujitsu Limited | System using copy of current pointer saved before changing a selectively restoring original data based upon status of updating flag |
| CN101477483A (en) * | 2008-12-31 | 2009-07-08 | 成都市华为赛门铁克科技有限公司 | Snap processing method and apparatus based on non-volatile memory medium |
-
2015
- 2015-09-24 CN CN201510616351.XA patent/CN105260266B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5327551A (en) * | 1990-03-02 | 1994-07-05 | Fujitsu Limited | System using copy of current pointer saved before changing a selectively restoring original data based upon status of updating flag |
| CN101477483A (en) * | 2008-12-31 | 2009-07-08 | 成都市华为赛门铁克科技有限公司 | Snap processing method and apparatus based on non-volatile memory medium |
Non-Patent Citations (1)
| Title |
|---|
| 刘爱贵: "快照（Snapshot）技术发展综述", 《HTTP://BLOG.CSDN.NET/LIUAIGUI/ARTICLE/DETAILS/4494555》 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106293882A (en) * | 2016-08-12 | 2017-01-04 | 浪潮(北京)电子信息产业有限公司 | A kind of virtual disk snapshot implementing method and device |
| CN109032507A (en) * | 2018-06-28 | 2018-12-18 | 郑州云海信息技术有限公司 | A kind of method, system and associated component generating source book storage snapshot |
| CN109032507B (en) * | 2018-06-28 | 2021-11-19 | 郑州云海信息技术有限公司 | Method, system and related assembly for generating source volume storage snapshot |
| CN109324929A (en) * | 2018-09-17 | 2019-02-12 | 郑州云海信息技术有限公司 | A kind of snapshot creation method, device, equipment and readable storage medium storing program for executing |
| CN109324929B (en) * | 2018-09-17 | 2021-11-09 | 郑州云海信息技术有限公司 | Snapshot creating method, device and equipment and readable storage medium |
| CN109491961A (en) * | 2018-10-22 | 2019-03-19 | 郑州云海信息技术有限公司 | A kind of method and Snapshot Devices of file system snapshot |
| CN109491961B (en) * | 2018-10-22 | 2022-02-18 | 郑州云海信息技术有限公司 | File system snapshot method and snapshot device |
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