CN111857573A - Intelligent replacement method and system based on RAID (redundant array of independent disks) fault member disk - Google Patents
Intelligent replacement method and system based on RAID (redundant array of independent disks) fault member disk Download PDFInfo
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- CN111857573A CN111857573A CN202010585932.2A CN202010585932A CN111857573A CN 111857573 A CN111857573 A CN 111857573A CN 202010585932 A CN202010585932 A CN 202010585932A CN 111857573 A CN111857573 A CN 111857573A
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- 238000012360 testing method Methods 0.000 claims description 11
- 238000001514 detection method Methods 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000996 additive effect Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0631—Configuration or reconfiguration of storage systems by allocating resources to storage systems
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
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Abstract
The invention relates to the technical field of servers, and provides an intelligent replacement method and system based on RAID (redundant array of independent disks) failure member disks, wherein the method comprises the following steps: when a newly inserted hard disk is identified, judging whether the newly inserted hard disk is a recorded hard disk slot; when the newly inserted hard disk is judged to be the recorded hard disk slot, judging whether the newly inserted hard disk and the original fault member disk belong to the same type of hard disk; when the newly inserted hard disk and the original fault member disk belong to the same hard disk, judging whether the function of the newly inserted hard disk is available; when the newly inserted hard disk is judged to be available, the member disk of the disk array is determined to be replaced, and the newly inserted hard disk is added into the disk array, so that the member disk of the RAID is replaced intelligently, the potential safety hazard caused by manual operation for replacing the member disk of the RAID is greatly reduced, the workload is reduced, and the working efficiency and the accuracy are improved.
Description
Technical Field
The invention belongs to the technical field of servers, and particularly relates to an intelligent replacement method and system based on RAID (redundant array of independent disks) fault member disks.
Background
RAID (Redundant Arrays of Independent Disks) is a disk assembly with a large capacity, which is composed of many inexpensive Disks, and the performance of the entire disk system is improved by the additive effect of providing data by individual Disks. By using the technology, data is cut into a plurality of sections which are respectively stored on each hard disk, and the data has the meaning of an array with redundancy capability formed by independent disks. The disk array can also utilize the concept of Parity Check (Parity Check), when any hard disk in the array fails, the data can still be read out, and when the data is reconstructed, the data is calculated and then is placed into a new hard disk again.
Disk failures may occur in the working process of a storage system, RAID is rejected after the failures occur, and the common method is to manually pull out a bad disk, insert a new disk into the system, manually add the new disk to RAID after normal use, and replace an original hard disk. However, manual addition and replacement of hard disks depends on the proficiency of an operator in the system, the disks need to be known relatively, instructions such as adding, removing and setting disk parameters need to be familiar, the meaning of command parameters also needs to be known, and potential risks exist.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an intelligent replacement method based on a RAID (redundant array of independent disks) failure member disk, aiming at solving the problem that the safety risk exists when the failure member disk is manually replaced in the prior art.
The technical scheme provided by the invention is as follows: a method for intelligently replacing a member disk based on RAID failure comprises the following steps:
when a newly inserted hard disk is identified, judging whether the newly inserted hard disk is a recorded hard disk slot;
when the newly inserted hard disk is judged to be the recorded hard disk slot, judging whether the newly inserted hard disk and the original fault member disk belong to the same type of hard disk;
when the newly inserted hard disk and the original fault member disk belong to the same hard disk, judging whether the function of the newly inserted hard disk is available;
and when the newly inserted hard disk is judged to be available, determining that the member disk of the disk array is replaced, and adding the newly inserted hard disk into the disk array.
As an improved scheme, when a newly inserted hard disk is identified, the step of judging whether the newly inserted hard disk is a recorded hard disk slot further includes the following steps before:
performing fault detection on all members of the disk array, and judging whether a fault member disk exists or not;
when a member disk with a fault is detected, recording a hard disk slot of the member disk with the fault;
and when the slot record of the hard disk of the member disk with the fault is finished, prompting the user to replace the hard disk.
As an improved scheme, when it is determined that the newly inserted hard disk and the original failed member disk belong to the same hard disk, the step of determining whether the function of the newly inserted hard disk is available specifically includes the following steps:
sending the characteristic parameters of the member disks of the disk array to a newly inserted hard disk through a corresponding command;
and when the characteristic parameter is completely issued, carrying out IO read-write test on the newly inserted hard disk, and judging whether the IO read-write is successful.
As an improvement, the method further comprises the steps of:
and when the newly inserted hard disk is judged to be different from the recorded slot of the hard disk, prompting the user that the newly inserted hard disk is wrong.
As an improved scheme, when it is determined that the newly inserted hard disk is available, it is determined that the replacement of the member disk of the disk array is completed, and the step of adding the newly inserted hard disk to the disk array further includes the following steps:
and after adding the newly inserted hard disk into the disk array, prompting the user that the replacement of the member disk is completed.
Another object of the present invention is to provide an intelligent replacement system based on a RAID failed member disk, the system comprising:
the slot judging module is used for judging whether the newly inserted hard disk is a recorded hard disk slot or not when the newly inserted hard disk is identified;
The hard disk type judging module is used for judging whether the newly inserted hard disk and the original fault member disk belong to the same hard disk or not when judging that the newly inserted hard disk is the recorded hard disk slot;
the hard disk function availability judging module is used for judging whether the functions of the newly inserted hard disk are available or not when judging that the newly inserted hard disk and the original fault member disk belong to the same hard disk;
and the disk array adding module is used for determining that the replacement of the member disk of the disk array is finished when the newly inserted hard disk is judged to be available, and adding the newly inserted hard disk into the disk array.
As an improvement, the system further comprises:
the failure detection module is used for carrying out failure detection on all members of the disk array and judging whether a failure member disk occurs or not;
the slot recording module is used for recording the hard disk slot of the member disk with the fault when the member disk with the fault is detected;
and the hard disk replacement information prompting module is used for prompting the user of the hard disk replacement information when the recording of the hard disk slot of the member disk with the fault is completed.
As an improved scheme, the hard disk function availability determining module specifically includes:
the characteristic parameter issuing module is used for issuing the characteristic parameters of the member disk of the disk array to a newly inserted hard disk through a corresponding command;
And the IO read-write testing module is used for carrying out IO read-write testing on the newly inserted hard disk and judging whether IO read-write is successful or not when the characteristic parameters are completely issued.
As an improvement, the system further comprises:
and the hard disk insertion error prompting module is used for prompting the user that the newly inserted hard disk is wrong when the newly inserted hard disk is judged to be different from the recorded slot of the hard disk.
As an improvement, the system further comprises:
and the hard disk replacement completion prompting module is used for prompting the completion of replacement of the member disk of the user after the newly inserted hard disk is added into the disk array.
In the embodiment of the invention, when a newly inserted hard disk is identified, whether the newly inserted hard disk is a recorded hard disk slot is judged; when the newly inserted hard disk is judged to be the recorded hard disk slot, judging whether the newly inserted hard disk and the original fault member disk belong to the same type of hard disk; when the newly inserted hard disk and the original fault member disk belong to the same hard disk, judging whether the function of the newly inserted hard disk is available; when the newly inserted hard disk is judged to be available, the member disk of the disk array is determined to be replaced, and the newly inserted hard disk is added into the disk array, so that the member disk of the RAID is replaced intelligently, the potential safety hazard caused by manual operation for replacing the member disk of the RAID is greatly reduced, the workload is reduced, and the working efficiency and the accuracy are improved.
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In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a flowchart of an implementation of an intelligent replacement method based on a RAID failure member disk according to the present invention;
FIG. 2 is a block diagram of an intelligent replacement system based on RAID failed member disks according to the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are merely for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
Fig. 1 is a flowchart of an implementation of the intelligent replacement method based on a RAID failure member disk, which specifically includes the following steps:
in step S101, when a newly inserted hard disk is identified, it is determined whether the newly inserted hard disk is a recorded hard disk slot, if so, step S102 is executed, otherwise, step S105 is executed;
In step S102, when it is determined that the newly inserted hard disk is the recorded hard disk slot, it is determined whether the newly inserted hard disk and the original failed member disk belong to the same type of hard disk, if so, step S103 is executed, otherwise, step S105 is executed;
in the step, the category of the newly inserted hard disk is judged, and the method is specifically realized by acquiring basic hard disk information of the newly inserted hard disk, comparing the basic hard disk information with the basic hard disk information of the failed member disk and judging whether the basic hard disk information and the basic hard disk information are the same;
the basic information of the hard disk comprises vendor id, rotating speed, capacity and other information.
In step S103, when it is determined that the newly inserted hard disk and the original failed member disk belong to the same type of hard disk, it is determined whether the function of the newly inserted hard disk is available, if so, step S104 is executed, otherwise, step S105 is executed;
in step S104, when it is determined that the newly inserted hard disk is available, it is determined that the replacement of the member disk of the disk array is completed, and the newly inserted hard disk is added to the disk array;
in step S105, the user is prompted to newly insert a hard disk error.
In the embodiment of the present invention, when a newly inserted hard disk is identified, the step of determining whether the newly inserted hard disk is a recorded hard disk slot further includes the following steps before:
(1) Performing fault detection on all members of the disk array, and judging whether a fault member disk exists or not;
(2) when a member disk with a fault is detected, recording a hard disk slot of the member disk with the fault;
(3) and when the slot record of the hard disk of the member disk with the fault is finished, prompting the user to replace the hard disk.
In the embodiment of the present invention, when it is determined that the newly inserted hard disk and the original failed member disk belong to the same hard disk, the step of determining whether the function of the newly inserted hard disk is available specifically includes the following steps:
1) sending the characteristic parameters of the member disks of the disk array to a newly inserted hard disk through a corresponding command;
2) and when the characteristic parameter is completely issued, carrying out IO read-write test on the newly inserted hard disk, and judging whether the IO read-write is successful.
If the hard disks can be well matched, the process of intelligently replacing the hard disks tests whether the functions of the new hard disks are available, reading and writing can be carried out, the process mainly issues the characteristic parameters of the raid member disks to the new disks through commands, the characteristics of all the disks are kept consistent, if the new disks can successfully execute the commands, IO reading and writing are automatically tested finally, through all the tests, the new disks are automatically added to the raid, the original raid fault member disks are replaced, and information records are generated to prompt a user. In the process, only the operator needs to perform necessary plugging and unplugging, and the plugging and unplugging are only required to be at the same position.
In the embodiment of the present invention, when it is determined that a newly inserted hard disk is available, it is determined that replacement of a member disk of a disk array is completed, and the step of adding the newly inserted hard disk to the disk array further includes the following steps:
and after adding the newly inserted hard disk into the disk array, prompting the user that the replacement of the member disk is completed.
Fig. 2 is a block diagram illustrating a structure of an intelligent replacement system based on a RAID failed member disk according to the present invention, and for convenience of explanation, only the parts related to the embodiment of the present invention are shown in the figure.
The intelligent replacement system based on the RAID fault member disk comprises:
the slot judging module 11 is configured to judge whether a newly inserted hard disk is a recorded hard disk slot when the newly inserted hard disk is identified;
the hard disk type judging module 12 is configured to, when it is determined that a newly inserted hard disk is a recorded hard disk slot, judge whether the newly inserted hard disk and an original failed member disk belong to the same type of hard disk;
a hard disk function availability judgment module 13, configured to judge whether a function of a newly inserted hard disk is available when it is judged that the newly inserted hard disk and an original failure member disk belong to the same type of hard disk;
and the disk array adding module 14 is configured to determine that replacement of a member disk of the disk array is completed when it is determined that the newly inserted hard disk is available, and add the newly inserted hard disk to the disk array.
In this embodiment, the system further comprises:
the failure detection module 15 is configured to perform failure detection on all members of the disk array, and determine whether a failed member disk occurs;
the slot recording module 16 is configured to record a hard disk slot of a failed member disk when the failed member disk is detected;
and the hard disk replacement information prompting module 17 is configured to prompt the user of the hard disk replacement information when the hard disk slot record of the failed member disk is completed.
As shown in fig. 2, the hard disk function availability determining module 13 specifically includes:
a characteristic parameter issuing module 18, configured to issue the characteristic parameter of the member disk of the disk array to a newly inserted hard disk through a corresponding command;
and the IO read-write testing module 19 is configured to perform IO read-write testing on the newly inserted hard disk when the characteristic parameter is completely issued, and determine whether IO read-write is successful.
In an embodiment of the present invention, the system further includes:
the hard disk insertion error prompting module 20 is used for prompting a user that a new hard disk is inserted incorrectly when the newly inserted hard disk is judged to be different from the recorded slot of the hard disk;
and the hard disk replacement completion prompting module 21 is configured to prompt the user that the replacement of the member disk is completed after the newly inserted hard disk is added to the disk array.
In the embodiment of the invention, when a newly inserted hard disk is identified, whether the newly inserted hard disk is a recorded hard disk slot is judged; when the newly inserted hard disk is judged to be the recorded hard disk slot, judging whether the newly inserted hard disk and the original fault member disk belong to the same type of hard disk; when the newly inserted hard disk and the original fault member disk belong to the same hard disk, judging whether the function of the newly inserted hard disk is available; when the newly inserted hard disk is judged to be available, the member disk of the disk array is determined to be replaced, and the newly inserted hard disk is added into the disk array, so that the member disk of the RAID is replaced intelligently, the potential safety hazard caused by manual operation for replacing the member disk of the RAID is greatly reduced, the workload is reduced, and the working efficiency and the accuracy are improved.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. An intelligent replacement method based on RAID failure member disk, characterized in that the method comprises the following steps:
when a newly inserted hard disk is identified, judging whether the newly inserted hard disk is a recorded hard disk slot;
when the newly inserted hard disk is judged to be the recorded hard disk slot, judging whether the newly inserted hard disk and the original fault member disk belong to the same type of hard disk;
when the newly inserted hard disk and the original fault member disk belong to the same hard disk, judging whether the function of the newly inserted hard disk is available;
and when the newly inserted hard disk is judged to be available, determining that the member disk of the disk array is replaced, and adding the newly inserted hard disk into the disk array.
2. The intelligent replacement method based on the RAID failure member disk according to claim 1, wherein the step of judging whether the newly inserted hard disk is the recorded hard disk slot when the newly inserted hard disk is identified further comprises the following steps before:
performing fault detection on all members of the disk array, and judging whether a fault member disk exists or not;
when a member disk with a fault is detected, recording a hard disk slot of the member disk with the fault;
and when the slot record of the hard disk of the member disk with the fault is finished, prompting the user to replace the hard disk.
3. The intelligent replacement method based on the RAID failure member disk according to claim 2, wherein the step of determining whether the function of the newly inserted hard disk is available when it is determined that the newly inserted hard disk and the original failure member disk belong to the same type of hard disk specifically includes the steps of:
sending the characteristic parameters of the member disks of the disk array to a newly inserted hard disk through a corresponding command;
and when the characteristic parameter is completely issued, carrying out IO read-write test on the newly inserted hard disk, and judging whether the IO read-write is successful.
4. The intelligent RAID failure member disk based replacement method according to claim 1, further comprising the steps of:
and when the newly inserted hard disk is judged to be different from the recorded slot of the hard disk, prompting the user that the newly inserted hard disk is wrong.
5. The intelligent replacement method based on the RAID failure member disk according to claim 1, wherein when judging that the newly inserted hard disk is available, determining that the replacement of the disk array member disk is completed, the step of adding the newly inserted hard disk to the disk array further comprises the following steps:
and after adding the newly inserted hard disk into the disk array, prompting the user that the replacement of the member disk is completed.
6. An intelligent replacement system based on RAID failed member disk, the system comprising:
the slot judging module is used for judging whether the newly inserted hard disk is a recorded hard disk slot or not when the newly inserted hard disk is identified;
the hard disk type judging module is used for judging whether the newly inserted hard disk and the original fault member disk belong to the same hard disk or not when judging that the newly inserted hard disk is the recorded hard disk slot;
the hard disk function availability judging module is used for judging whether the functions of the newly inserted hard disk are available or not when judging that the newly inserted hard disk and the original fault member disk belong to the same hard disk;
and the disk array adding module is used for determining that the replacement of the member disk of the disk array is finished when the newly inserted hard disk is judged to be available, and adding the newly inserted hard disk into the disk array.
7. The intelligent RAID-based member disk replacement system of claim 6 further comprising:
the failure detection module is used for carrying out failure detection on all members of the disk array and judging whether a failure member disk occurs or not;
the slot recording module is used for recording the hard disk slot of the member disk with the fault when the member disk with the fault is detected;
And the hard disk replacement information prompting module is used for prompting the user of the hard disk replacement information when the recording of the hard disk slot of the member disk with the fault is completed.
8. The intelligent replacement system based on the RAID failed member disk according to claim 7, wherein the hard disk function availability determination module specifically comprises:
the characteristic parameter issuing module is used for issuing the characteristic parameters of the member disk of the disk array to a newly inserted hard disk through a corresponding command;
and the IO read-write testing module is used for carrying out IO read-write testing on the newly inserted hard disk and judging whether IO read-write is successful or not when the characteristic parameters are completely issued.
9. The intelligent RAID-based member disk replacement system of claim 6 further comprising:
and the hard disk insertion error prompting module is used for prompting the user that the newly inserted hard disk is wrong when the newly inserted hard disk is judged to be different from the recorded slot of the hard disk.
10. The intelligent RAID-based member disk replacement system of claim 6 further comprising:
and the hard disk replacement completion prompting module is used for prompting the completion of replacement of the member disk of the user after the newly inserted hard disk is added into the disk array.
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Cited By (1)
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| CN113595764A (en) * | 2021-06-30 | 2021-11-02 | 宁波三星医疗电气股份有限公司 | Method for detecting abnormal reloading of carrier module on terminal |
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Application publication date: 20201030 |