CN104391767A - Method for testing power failure data protection function of BBU (battery backup unit) of RAID (redundant array of independent disks) card - Google Patents
Method for testing power failure data protection function of BBU (battery backup unit) of RAID (redundant array of independent disks) card Download PDFInfo
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- CN104391767A CN104391767A CN201410721000.0A CN201410721000A CN104391767A CN 104391767 A CN104391767 A CN 104391767A CN 201410721000 A CN201410721000 A CN 201410721000A CN 104391767 A CN104391767 A CN 104391767A
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Abstract
The invention provides a method for testing a power failure data protection function of a BBU (battery backup unit) of an RAID (redundant array of independent disks) card. The method includes preparing a testing machine, installing a windows system, creating a folder in the system and storing large quantities of files with different sizes in the folder; copying the folder twice and respectively naming folders; verifying MD5 (message digest 5) values of files in the three folders by the aid of md5summer software, and storing and recording the MD5 values. The files in the three folders are identical to one another, so that the verified MD5 values are required to be identical to one another, and the files are recorded as 'original MD5.txt'. Compared with the prior art, the method has the advantages that effects of the BBU on data can be visually displayed, the protection efficiency of the BBU can be counted by means of batch tests and comparison, and the method is simple, is easy to handle and low in cost and has excellent service value.
Description
Technical field
The present invention relates to data security technical field of memory, specifically a kind of method of testing the power-down data protection function of RAID card BBU.
Background technology
Along with the blast of information and the continuous progress of memory technology, constantly increase buffer memory and become the important method that people improve message transmission rate.But the increase of buffer memory, what bring is the hidden danger of the loss of data that accident power-off causes thereupon.In this time, BBU becomes the data cached a kind of important means of protection.But how obvious BBU has to data cached defencive function, but need some effective method of testings to check actually.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, a kind of method of testing the power-down data protection function of RAID card BBU be provided, mainly by during contrast attenation factor BBU with when not being with BBU, accident power-off is checked the destruction of data.
Technical scheme of the present invention realizes in the following manner, and concrete testing procedure is as follows:
1) first prepare a test machine, windows system is installed, the file not of uniform size of create a file under system folder, file internal memory amplification quantity; File copied two parts and name respectively; Suppose original folder called after " former data ", two files copied are respectively " having BBU copies data " and " without BBU copies data "; By the MD5 value of file in these three files of md5summer software check, and keeping records; Because file in three files is identical, so the MD5 value of verification also should be the same, be recorded as " former MD5.txt ";
2), respectively at system RAID card configuration BBU with without configuration BBU, " former data " file is moved to the disk space that RAID card connects, in data mobile process, note not power-off; After data mobile terminates, the file md5summer software after movement and " former MD5.txt " contrasted, under normal circumstances due to without file corruption, comparing result should be consistent; This step is mainly for getting rid of the impact that in document transmission process, some factors cause test;
3) when system RAID card configuration BBU, the file that will " have BBU copies data " moves to the disk space that RAID card connects, and pulls out system power supply in data mobile process, simulates accident power-off situation; Wait for a period of time by demand, then give system electrification, continue the disk space residue file in " having BBU copies data " being moved to RAID card connection, if any duplication of name file, perform " skipping " operation, do not cover; After data mobile completes, the file md5summer software after movement is contrasted with " former MD5.txt ", observe the quantity that file is inconsistent, preserve comparing result;
4) when system RAID card is without configuration BBU, " without BBU copies data " file is moved to the disk space that RAID card connects, in data mobile process, pull out system power supply, simulation accident power-off situation; Wait for a period of time by demand, then give system electrification, continue the disk space residue file in " without BBU copies data " being moved to RAID card connection, if any duplication of name file, perform " skipping " operation, do not cover; After data mobile completes, the file md5summer software after movement is contrasted with " former MD5.txt ", observe the quantity that file is inconsistent, preserve comparing result.
Advantage of the present invention is:
A kind of method of testing the power-down data protection function of RAID card BBU of the present invention compared to the prior art; the effect of BBU to data can be presented very intuitively; and contrasted by batch testing; can add up the protective efficacy of BBU; and this method of testing is simple to operation; and cost is low, thus, there is good use value.
Embodiment
Below a kind of method of testing the power-down data protection function of RAID card BBU of the present invention is described in detail below.A kind of method of testing the power-down data protection function of RAID card BBU of the present invention, concrete testing procedure is as follows:
1) first prepare a test machine, windows system is installed, the file not of uniform size of create a file under system folder, file internal memory amplification quantity; File copied two parts and name respectively; Suppose original folder called after " former data ", two files copied are respectively " having BBU copies data " and " without BBU copies data "; By the MD5 value of file in these three files of md5summer software check, and keeping records; Because file in three files is identical, so the MD5 value of verification also should be the same, be recorded as " former MD5.txt ";
2), respectively at system RAID card configuration BBU with without configuration BBU, " former data " file is moved to the disk space that RAID card connects, in data mobile process, note not power-off; After data mobile terminates, the file md5summer software after movement and " former MD5.txt " contrasted, under normal circumstances due to without file corruption, comparing result should be consistent; This step is mainly for getting rid of the impact that in document transmission process, some factors cause test;
3) when system RAID card configuration BBU, the file that will " have BBU copies data " moves to the disk space that RAID card connects, and pulls out system power supply in data mobile process, simulates accident power-off situation; Wait for a period of time by demand, then give system electrification, continue the disk space residue file in " having BBU copies data " being moved to RAID card connection, if any duplication of name file, perform " skipping " operation, do not cover; After data mobile completes, the file md5summer software after movement is contrasted with " former MD5.txt ", observe the quantity that file is inconsistent, preserve comparing result;
4) when system RAID card is without configuration BBU, " without BBU copies data " file is moved to the disk space that RAID card connects, in data mobile process, pull out system power supply, simulation accident power-off situation; Wait for a period of time by demand, then give system electrification, continue the disk space residue file in " without BBU copies data " being moved to RAID card connection, if any duplication of name file, perform " skipping " operation, do not cover; After data mobile completes, the file md5summer software after movement is contrasted with " former MD5.txt ", observe the quantity that file is inconsistent, preserve comparing result.
By contrasting 3) step and 4) result of step, can see that RAID card BBU is when system accident power-off very intuitively, to data defencive function.
This method of testing carries out the verification of MD5 value by performing (1) respectively to 3 groups of identical data sources of content with md5summer software; then carry out (2) normally movement respectively, (3) band BBU abnormal power-down moves and (4) are not with BBU abnormal power-down to move; finally the data after movement and former data are verified, intuitively can effectively test out the defencive function of BBU to data.
Md5summer software is file MD5 verification software, it is characterized in that to carry out batch verification to All Files in file and file, and can to the process of verification different item mark.
A kind of its processing and fabricating of method testing the power-down data protection function of RAID card BBU of the present invention is very simple and convenient, can process to specifications.
Except the technical characteristic described in instructions, be the known technology of those skilled in the art.
Claims (1)
1. test a method for the power-down data protection function of RAID card BBU, it is characterized in that concrete testing procedure is as follows:
(1) first prepare a test machine, windows system is installed, the file not of uniform size of create a file under system folder, file internal memory amplification quantity; File copied two parts and name respectively; Suppose original folder called after " former data ", two files copied are respectively " having BBU copies data " and " without BBU copies data "; By the MD5 value of file in these three files of md5summer software check, and keeping records; Because file in three files is identical, so the MD5 value of verification also should be the same, be recorded as " former MD5.txt ";
(2), respectively at system RAID card configuration BBU with without configuration BBU, " former data " file is moved to the disk space that RAID card connects, in data mobile process, note not power-off; After data mobile terminates, the file md5summer software after movement and " former MD5.txt " contrasted, under normal circumstances due to without file corruption, comparing result should be consistent; This step is mainly for getting rid of the impact that in document transmission process, some factors cause test;
(3) when system RAID card configuration BBU, the file that will " have BBU copies data " moves to the disk space that RAID card connects, and pulls out system power supply in data mobile process, simulates accident power-off situation; Wait for a period of time by demand, then give system electrification, continue the disk space residue file in " having BBU copies data " being moved to RAID card connection, if any duplication of name file, perform " skipping " operation, do not cover; After data mobile completes, the file md5summer software after movement is contrasted with " former MD5.txt ", observe the quantity that file is inconsistent, preserve comparing result;
(4) when system RAID card is without configuration BBU, " without BBU copies data " file is moved to the disk space that RAID card connects, in data mobile process, pull out system power supply, simulation accident power-off situation; Wait for a period of time by demand, then give system electrification, continue the disk space residue file in " without BBU copies data " being moved to RAID card connection, if any duplication of name file, perform " skipping " operation, do not cover; After data mobile completes, the file md5summer software after movement is contrasted with " former MD5.txt ", observe the quantity that file is inconsistent, preserve comparing result.
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| CN201410721000.0A CN104391767A (en) | 2014-12-03 | 2014-12-03 | Method for testing power failure data protection function of BBU (battery backup unit) of RAID (redundant array of independent disks) card |
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| CN201410721000.0A CN104391767A (en) | 2014-12-03 | 2014-12-03 | Method for testing power failure data protection function of BBU (battery backup unit) of RAID (redundant array of independent disks) card |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699579A (en) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | Method for testing cache data protection function for system battery |
| CN106850342A (en) * | 2017-01-20 | 2017-06-13 | 郑州云海信息技术有限公司 | The method and device of test interchanger compatibility and stability |
| CN107515376A (en) * | 2017-08-30 | 2017-12-26 | 郑州云海信息技术有限公司 | A kind of method of testing and device of battery back unit |
| CN108845900A (en) * | 2018-06-07 | 2018-11-20 | 郑州云海信息技术有限公司 | A kind of method and device of test b BU data protection consistency |
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2014
- 2014-12-03 CN CN201410721000.0A patent/CN104391767A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104699579A (en) * | 2015-03-20 | 2015-06-10 | 浪潮集团有限公司 | Method for testing cache data protection function for system battery |
| CN106850342A (en) * | 2017-01-20 | 2017-06-13 | 郑州云海信息技术有限公司 | The method and device of test interchanger compatibility and stability |
| CN106850342B (en) * | 2017-01-20 | 2020-11-24 | 苏州浪潮智能科技有限公司 | Method and device for testing compatibility and stability of switch |
| CN107515376A (en) * | 2017-08-30 | 2017-12-26 | 郑州云海信息技术有限公司 | A kind of method of testing and device of battery back unit |
| CN108845900A (en) * | 2018-06-07 | 2018-11-20 | 郑州云海信息技术有限公司 | A kind of method and device of test b BU data protection consistency |
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Application publication date: 20150304 |