CN110008064A - A kind of RAID restoration methods, device, equipment and medium - Google Patents
A kind of RAID restoration methods, device, equipment and medium Download PDFInfo
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1456—Hardware arrangements for backup
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/14—Error detection or correction of the data by redundancy in operation
- G06F11/1402—Saving, restoring, recovering or retrying
- G06F11/1446—Point-in-time backing up or restoration of persistent data
- G06F11/1458—Management of the backup or restore process
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Abstract
The invention discloses a kind of RAID restoration methods, device, equipment and medium, the step of this method includes: to traverse to each disk, and obtain the multiple target disks for being stored with target UUID mark；According to the corresponding relationship in default file between UUID mark and RAID level, obtains target UUID and identify corresponding target RAID level；According to the communication logic between target disk each under target RAID level, corresponding RAID environment parameter is generated, and target RAID is started according to RAID environment Parameter reconstruction.This method can restore RAID environment parameter original in operating system after repacking operation system, it is ensured that user can normally obtain the data based on RAID storage in physical disk, ensure that the data storage security of RAID.In addition, the present invention also provides a kind of RAID recovery device, equipment and medium, beneficial effect are same as above.
Description
Technical field
The present invention relates to field of data storage, more particularly to a kind of RAID restoration methods, device, equipment and medium.
Background technique
RAID is the abbreviation of English Redundant Array of Independent Disks, and Chinese is referred to as independent superfluous
Residual magnetism disk array.Briefly, RAID is a kind of the independent disk of muti-piece (physical disk) to be combined in different ways
A disk group (logic magnetic disc) is formed, to provide storage performance more higher than single disk and provide technology of data copy.
The normal work of RAID need the RAID environment parameter in the operating system of equipment as support, operating system according to
RAID environment parameter obtains the corresponding relationship in physical disk and RAID between logical memory space, and then is able to respond user couple
It is requested in the reading and writing data of RAID, and reading and writing data is carried out in corresponding physical disk according to reading and writing data request.In reality
In usage scenario, operating system in equipment is it is possible that the feelings that can not start due to equipment such as powers off at the catastrophic failures suddenly
Condition needs to reset system, after repacking operation system, although the data in the corresponding physical disk of RAID are still before
In the presence of, but the operating system after resetting is lost RAID environment parameter based on when controlling RAID before, therefore currently exists
After repacking operation system, the original RAID environment parameter of operating system can not be restored, and then will lead in physical disk
Data based on RAID storage can not normally be obtained by user, it is difficult to ensure the data storage security of RAID.
It can be seen that provide a kind of RAID restoration methods, with can be to original in operating system after repacking operation system
RAID environment parameter restored, and then ensure user can normally obtain in physical disk based on RAID storage data,
The data storage security for guaranteeing RAID with this is those skilled in the art's urgent problem to be solved.
Summary of the invention
The object of the present invention is to provide a kind of RAID restoration methods, device, equipment and media, after repacking operation system
RAID environment parameter original in operating system can be restored, and then ensure that user can normally obtain in physical disk
Based on the data of RAID storage, guarantee the data storage security of RAID with this.
In order to solve the above technical problems, the present invention provides a kind of RAID restoration methods, comprising:
Each disk is traversed, and obtains the multiple target disks for being stored with target UUID mark；
According to the corresponding relationship in default file between UUID mark and RAID level, it is corresponding to obtain target UUID mark
Target RAID level；
According to the communication logic between target disk each under target RAID level, corresponding RAID environment parameter is generated, and
Start target RAID according to RAID environment Parameter reconstruction.
Preferably, it traverses, and is obtained before being stored with multiple target disks of target UUID mark to each disk,
This method further comprises:
Current system environments state is obtained, and judges whether system environments state meets the system environments of target RAID and want
It asks；
Each disk is traversed if it is, executing, and obtains the multiple target disks for being stored with target UUID mark
The step of；
Otherwise, it carries out characterization target RAID and restores abnormal abnormal prompt.
Preferably, according to the communication logic between target disk each under target RAID level, corresponding RAID ring is generated
After the parameter of border, this method further comprises:
RAID environment parameter is stored to the preset path of disk, and sets preset path to when target RAID starts
Parameter read path.
Preferably, according to the corresponding relationship in default file between UUID mark and RAID level, target UUID mark is obtained
Know corresponding target RAID level specifically:
According to the corresponding relationship in the default file for being stored in target disk, obtains target UUID and identify corresponding target
RAID level.
In addition, the present invention also provides a kind of RAID recovery devices, comprising:
Disk spider module for traversing to each disk, and obtains the multiple targets for being stored with target UUID mark
Disk；
Rank obtains module, for obtaining according to the corresponding relationship in default file between UUID mark and RAID level
Target UUID identifies corresponding target RAID level；
Parameter recovery module, for generating corresponding according to the communication logic between target disk each under target RAID level
RAID environment parameter, and according to RAID environment Parameter reconstruction start target RAID.
Preferably, which further comprises:
Environment judgment module for obtaining current system environments state, and judges whether system environments state meets mesh
The system environments requirement of RAID is marked, if it is, executing disk spider module, otherwise, executes abnormal prompt module；
Abnormal prompt module restores abnormal abnormal prompt for carrying out characterization target RAID.
In addition, the present invention also provides a kind of RAID restorers, comprising:
Memory, for storing computer program；
Processor is realized when for executing computer program such as the step of above-mentioned RAID restoration methods.
In addition, being stored with meter on computer readable storage medium the present invention also provides a kind of computer readable storage medium
Calculation machine program is realized when computer program is executed by processor such as the step of above-mentioned RAID restoration methods.
RAID restoration methods provided by the present invention, first to may once be traversed as the physical disk of RAID, with
This acquisition is stored with the target disk of target UUID mark, and then the mark of the UUID according to recorded in default file and RAID level
Corresponding relationship between not obtains target UUID and identifies corresponding target RAID level, and learned according to target RAID level
Communication logic between each target disk, and then corresponding RAID environment ginseng is generated according to the communication logic between each target disk
Number finally limits each target disk with RAID environment parameter and matches work with corresponding work-based logic, and logically group is combined into
RAID form is restored to start corresponding target RAID with this.Since UUID mark is the unique identification of RAID, this method is logical
It crosses target UUID mark and finds the target disk for constituting RAID to be restored, and then identified and corresponded to according to pre-recorded target UUID
RAID level, determine the communication logic between each target disk, convert communication logic to the RAID executed in operating system
Environmental parameter, and restore to start target RAID in an operating system with this, therefore this method can be right after repacking operation system
Original RAID environment parameter is restored in operating system, it is ensured that user can normally obtain in physical disk based on RAID
The data of storage ensure that the data storage security of RAID.In addition, the present invention also provides a kind of RAID recovery device, equipment and
Medium, beneficial effect are same as above.
Detailed description of the invention
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be done simply below
It introduces, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ordinary skill people
For member, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of RAID restoration methods provided in an embodiment of the present invention；
Fig. 2 is a kind of structure chart of RAID recovery device provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole embodiments.Based on this
Embodiment in invention, those of ordinary skill in the art are without making creative work, obtained every other
Embodiment belongs to the scope of the present invention.
Core of the invention is to provide a kind of RAID restoration methods, with can be in operating system after repacking operation system
Original RAID environment parameter is restored, and then ensures that user can normally obtain the number based on RAID storage in physical disk
According to guaranteeing the data storage security of RAID with this.Another core of the invention is to provide a kind of RAID recovery device, equipment and Jie
Matter.
In order to enable those skilled in the art to better understand the solution of the present invention, with reference to the accompanying drawings and detailed description
The present invention is described in further detail.
Embodiment one
Fig. 1 is a kind of flow chart of RAID restoration methods provided in an embodiment of the present invention.Referring to FIG. 1, the recovery side RAID
The specific steps of method include:
Step S10: traversing each disk, and obtains the multiple target disks for being stored with target UUID mark.
It should be noted that this step is that operating system traverses each disk for being able to carry out communication, it is therefore an objective to
The target disk for being stored with target UUID mark is obtained, since UUID is the unique identification of RAID, so if there is member in disk
Data once created RAID, then the meeting in the disk is stored with UUID mark, which identifies for characterizing metadata
Identity belongs to a certain RAID, therefore when disk contains UUID mark, then it can be assumed that the disk is the disk for constituting RAID.And
And for the same RAID, the UUID mark of metadata is all the same, this step, which only obtains, is stored with a certain specified mesh
The target disk for marking UUID mark, i.e., only restore specified RAID.
Step S11: according to the corresponding relationship in default file between UUID mark and RAID level, target UUID mark is obtained
Know corresponding target RAID level.
The record in default file that focuses on of this step has UUID to identify the corresponding relationship between RAID level, also
Be say by default file can learn using target UUID identify the specific rank of RAID, and the RAID of different stage it
Between, the communication logic constituted between the disk of RAID is different.
Step S12: according to the communication logic between target disk each under target RAID level, corresponding RAID environment is generated
Parameter, and target RAID is started according to RAID environment Parameter reconstruction.
Due to that can learn the communication logic between each disk for constituting rank RAID, this step by RAID level
Suddenly after getting target UUID and identifying corresponding target RAID level, according between target disk each under target RAID level
Communication logic generates corresponding RAID environment parameter, and starts target RAID according to RAID environment Parameter reconstruction.This step is signified
RAID environment parameter, be the running parameter for supporting RAID to be restored to work with normal operating conditions, and then this step is in root
According to the communication logic between target disk corresponding to target RAID level, generation is supporting the target RAID of the target RAID level just
The RAID environment parameter often to work, and then target RAID is started according to RAID environment Parameter reconstruction, i.e. recovery target RAID is just
Often operation.
RAID restoration methods provided by the present invention, first to may once be traversed as the physical disk of RAID, with
This acquisition is stored with the target disk of target UUID mark, and then the mark of the UUID according to recorded in default file and RAID level
Corresponding relationship between not obtains target UUID and identifies corresponding target RAID level, and learned according to target RAID level
Communication logic between each target disk, and then corresponding RAID environment ginseng is generated according to the communication logic between each target disk
Number finally limits each target disk with RAID environment parameter and matches work with corresponding work-based logic, and logically group is combined into
RAID form is restored to start corresponding target RAID with this.Since UUID mark is the unique identification of RAID, this method is logical
It crosses target UUID mark and finds the target disk for constituting RAID to be restored, and then identified and corresponded to according to pre-recorded target UUID
RAID level, determine the communication logic between each target disk, convert communication logic to the RAID executed in operating system
Environmental parameter, and restore to start target RAID in an operating system with this, therefore this method can be right after repacking operation system
Original RAID environment parameter is restored in operating system, it is ensured that user can normally obtain in physical disk based on RAID
The data of storage ensure that the data storage security of RAID.
Embodiment two
On the basis of the above embodiments, the present invention also provides a series of preferred embodiments.
As a preferred embodiment, being traversed to each disk, and obtains and be stored with target UUID mark
Before multiple target disks, this method further comprises:
Current system environments state is obtained, and judges whether system environments state meets the system environments of target RAID and want
It asks；
Each disk is traversed if it is, executing, and obtains the multiple target disks for being stored with target UUID mark
The step of；
Otherwise, it carries out characterization target RAID and restores abnormal abnormal prompt.
It should be noted that present embodiment is to start to traverse each disk before restoring RAID,
And obtain before being stored with the target disk of target UUID mark, current system environments state is first obtained, and judge the system
Whether ambient condition meets requirement of the target RAID for system environments, that is, judges whether current system environments can normally transport
Row target RAID starts to execute for the extensive of target RAID if current system environments can operate normally target RAID
Multiple operation, if current system environments is unable to operate normally target RAID, can not effectively restore target RAID,
Therefore in the case, present embodiment carries out characterization target RAID and restores abnormal abnormal prompt, with this inform user for
The recovery operation of target RAID can not be normally carried out.Present embodiment is by prejudging before restoring to target RAID
Whether the operating system currently reinstalled can support target RAID to work, and when operating system environment state meets target
When the system environments of RAID requires, target RAID is restored, and when operating system environment state is discontented with foot-eye RAID's
When system environments requires, user is prompted to carry out abnormality processing, can be avoided with this because there are operating systems to be discontented with foot-eye RAID
The case where job requirement and cause target RAID to restore abnormal generation, and then opposite improve the whole of target RAID recovery process
Body reliability.
In addition, as a preferred embodiment, according to the communication between target disk each under target RAID level
Logic, after generating corresponding RAID environment parameter, this method further comprises:
RAID environment parameter is stored to the preset path of disk, and sets preset path to when target RAID starts
Parameter read path.
It should be noted that present embodiment is patrolled according to the communication between target disk each under target RAID level
Volume, it, that is, will after generating the RAID environment parameter that can control target RAID normal work after generating corresponding RAID environment parameter
RAID environment parameter is stored to the preset path of disk, and sets preset path on parameter reading road when target RAID starts
Diameter.Due to consideration that in actual use, reboot operation may be carried out to operating system, and after carrying out reboot operation, operation
Target RAID in operating system often stops working, in the case, in order to smoothly start the target again
RAID, present embodiment store RAID environment parameter to the preset path of disk, and set target RAID for preset path
Parameter read path when starting, and then when operating system, which is restarted, causes target RAID to stop working, it still is able to basis
The RAID environment parameter restarting target RAID stored under the preset path of disk, therefore present embodiment passes through disk pair
RAID environment parameter is stored, and can be avoided and occurs the case where RAID environment parameter loss again because operating system is restarted,
Ensure that target RAID restores the global reliability after normal operating conditions.
On the basis of a series of above-mentioned embodiments, as a preferred embodiment, according in default file
Corresponding relationship between UUID mark and RAID level obtains target UUID and identifies corresponding target RAID level specifically:
According to the corresponding relationship in the default file for being stored in target disk, obtains target UUID and identify corresponding target
RAID level.
It should be noted that the record that focuses on of present embodiment has the default file of corresponding relationship to be pre-stored within mesh
It marks in disk, that is to say, that default file is stored in the disk for constituting target RAID, since the final purpose of this method is extensive
The normal work of complicated target RAID, and target disk is the physical basis for forming target RAID, therefore will be used to restore target
The default file of RAID is stored in advance into the target disk of composition target RAID, opposite can reduce to other and target RAID
The resource occupation of the memory space of unrelated disk, it is ensured that the normal execution of other business in operating system guarantees operating system
Whole stability.
Embodiment three
Hereinbefore the embodiment of RAID restoration methods is described in detail, the present invention also provides one kind and is somebody's turn to do
The corresponding RAID recovery device of method, since the embodiment of device part is corresponded to each other with the embodiment of method part, dress
Set part embodiment refer to method part embodiment description, wouldn't repeat here.
Fig. 2 is a kind of structure chart of RAID recovery device provided in an embodiment of the present invention.It is provided in an embodiment of the present invention
RAID recovery device, comprising:
Disk spider module 10 for traversing to each disk, and obtains the multiple mesh for being stored with target UUID mark
Mark disk.
Rank obtains module 11, for obtaining according to the corresponding relationship in default file between UUID mark and RAID level
Target UUID is taken to identify corresponding target RAID level.
Parameter recovery module 12, for generating phase according to the communication logic between target disk each under target RAID level
The RAID environment parameter answered, and target RAID is started according to RAID environment Parameter reconstruction.
RAID recovery device provided by the present invention, first to may once be traversed as the physical disk of RAID, with
This acquisition is stored with the target disk of target UUID mark, and then the mark of the UUID according to recorded in default file and RAID level
Corresponding relationship between not obtains target UUID and identifies corresponding target RAID level, and learned according to target RAID level
Communication logic between each target disk, and then corresponding RAID environment ginseng is generated according to the communication logic between each target disk
Number finally limits each target disk with RAID environment parameter and matches work with corresponding work-based logic, and logically group is combined into
RAID form is restored to start corresponding target RAID with this.Since UUID mark is the unique identification of RAID, the present apparatus is logical
It crosses target UUID mark and finds the target disk for constituting RAID to be restored, and then identified and corresponded to according to pre-recorded target UUID
RAID level, determine the communication logic between each target disk, convert communication logic to the RAID executed in operating system
Environmental parameter, and restore to start target RAID in an operating system with this, therefore the present apparatus can be right after repacking operation system
Original RAID environment parameter is restored in operating system, it is ensured that user can normally obtain in physical disk based on RAID
The data of storage ensure that the data storage security of RAID.
On the basis of embodiment three, the device further include:
Environment judgment module for obtaining current system environments state, and judges whether system environments state meets mesh
The system environments requirement of RAID is marked, if it is, executing disk spider module, otherwise, executes abnormal prompt module.
Abnormal prompt module restores abnormal abnormal prompt for carrying out characterization target RAID.
Example IV
The present invention also provides a kind of RAID restorers, comprising:
Memory, for storing computer program；
Processor is realized when for executing computer program such as the step of above-mentioned RAID restoration methods.
RAID restorer provided by the present invention, first to may once be traversed as the physical disk of RAID, with
This acquisition is stored with the target disk of target UUID mark, and then the mark of the UUID according to recorded in default file and RAID level
Corresponding relationship between not obtains target UUID and identifies corresponding target RAID level, and learned according to target RAID level
Communication logic between each target disk, and then corresponding RAID environment ginseng is generated according to the communication logic between each target disk
Number finally limits each target disk with RAID environment parameter and matches work with corresponding work-based logic, and logically group is combined into
RAID form is restored to start corresponding target RAID with this.Since UUID mark is the unique identification of RAID, this equipment is logical
It crosses target UUID mark and finds the target disk for constituting RAID to be restored, and then identified and corresponded to according to pre-recorded target UUID
RAID level, determine the communication logic between each target disk, convert communication logic to the RAID executed in operating system
Environmental parameter, and restore to start target RAID in an operating system with this, therefore this equipment can be right after repacking operation system
Original RAID environment parameter is restored in operating system, it is ensured that user can normally obtain in physical disk based on RAID
The data of storage ensure that the data storage security of RAID.
The present invention also provides a kind of computer readable storage medium, computer journey is stored on computer readable storage medium
Sequence is realized when computer program is executed by processor such as the step of above-mentioned RAID restoration methods.
Computer readable storage medium provided by the present invention, first to may once as RAID physical disk carry out time
Go through, obtained with this be stored with target UUID mark target disk, and then the UUID according to recorded in default file mark with
Corresponding relationship between RAID level obtains target UUID and identifies corresponding target RAID level, and according to target RAID level
The communication logic between each target disk is not learned, and then generates corresponding RAID according to the communication logic between each target disk
Environmental parameter finally limits each target disk with RAID environment parameter and matches work with corresponding work-based logic, logically
Group is combined into RAID form, restores to start corresponding target RAID with this.Since UUID mark is the unique identification of RAID, this
Computer readable storage medium finds the target disk for constituting RAID to be restored by target UUID mark, and then according to preparatory note
The target UUID of record identifies corresponding RAID level, determines the communication logic between each target disk, converts communication logic to
The RAID environment parameter executed in operating system, and restore to start target RAID, therefore this computer in an operating system with this
Readable storage medium storing program for executing can restore RAID environment parameter original in operating system after repacking operation system, it is ensured that
User can normally obtain the data based on RAID storage in physical disk, ensure that the data storage security of RAID.
A kind of RAID restoration methods provided by the present invention, device, equipment and medium are described in detail above.It says
Each embodiment is described in a progressive manner in bright book, and the highlights of each of the examples are the differences with other embodiments
Place, the same or similar parts in each embodiment may refer to each other.For device, equipment disclosed in embodiment and medium
Speech, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part illustration
?.It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, also
Can be with several improvements and modifications are made to the present invention, these improvement and modification also fall into the protection scope of the claims in the present invention
It is interior.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Claims (8)
1. a kind of RAID restoration methods characterized by comprising
Each disk is traversed, and obtains the multiple target disks for being stored with target UUID mark；
According to the corresponding relationship in default file between UUID mark and RAID level, it is corresponding to obtain the target UUID mark
Target RAID level；
According to the communication logic between the target disk each under the target RAID level, corresponding RAID environment ginseng is generated
Number, and target RAID is started according to the RAID environment Parameter reconstruction.
2. the method according to claim 1, wherein being traversed described to each disk, and obtaining and being stored with
Before multiple target disks of target UUID mark, this method further comprises:
Current system environments state is obtained, and judges whether the system environments state meets the system ring of the target RAID
Border requires；
Each disk is traversed if it is, execution is described, and obtains the multiple target disks for being stored with target UUID mark
The step of；
Otherwise, it carries out characterizing the abnormal prompt that the target RAID restores abnormal.
3. the method according to claim 1, wherein described according to the mesh each under the target RAID level
The communication logic between disk is marked, after generating corresponding RAID environment parameter, this method further comprises:
The RAID environment parameter is stored to the preset path of the disk, and sets the target for the preset path
Parameter read path when RAID starts.
4. according to claim 1 to method described in 3 any one, which is characterized in that described to be marked according to UUID in default file
Know the corresponding relationship between RAID level, obtain the target UUID and identify corresponding target RAID level specifically:
According to the corresponding relationship in the default file for being stored in the target disk, the target UUID mark is obtained
The corresponding target RAID level.
5. a kind of RAID recovery device characterized by comprising
Disk spider module for traversing to each disk, and obtains the multiple target disks for being stored with target UUID mark；
Rank obtains module, for according to the corresponding relationship in default file between UUID mark and RAID level, described in acquisition
Target UUID identifies corresponding target RAID level；
Parameter recovery module, for generating according to the communication logic between the target disk each under the target RAID level
Corresponding RAID environment parameter, and target RAID is started according to the RAID environment Parameter reconstruction.
6. device according to claim 5, which is characterized in that the device further comprises:
Environment judgment module for obtaining current system environments state, and judges whether the system environments state meets institute
The system environments requirement of target RAID is stated, if it is, executing the disk spider module, otherwise, executes abnormal prompt module；
The abnormal prompt module characterizes the abnormal abnormal prompt of the target RAID recovery for carrying out.
7. a kind of RAID restorer characterized by comprising
Memory, for storing computer program；
Processor realizes such as Claims 1-4 described in any item RAID restoration methods when for executing the computer program
The step of.
8. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program is realized when the computer program is executed by processor such as the described in any item RAID restoration methods of Claims 1-4
Step.
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| CN112667162A (en) * | 2020-12-28 | 2021-04-16 | 浙江大华技术股份有限公司 | RAID recovery method and device |
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