CN102915270A - Method for recording storage I/O (input/output) requirement and verifying pressure simulation - Google Patents
Method for recording storage I/O (input/output) requirement and verifying pressure simulation Download PDFInfo
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Abstract
The invention provides a method for recording a storage I/O (input/output) requirement and verifying pressure simulation. The method comprises the following steps that: firstly, requirements (of different client terminals) on storing I/O resources are virtually recorded in a VDI (virtual device interface) environment, a recording file is transferred to a pressure verifying terminal through a server, a total recording file is replayed to simulate the real pressure, and a replay file is generated; the server analyzes the total recording file and the total replay file, and provides a conclusion that whether the resource configuration states of virtual machines on the pressure verifying terminal meet the requirements on the requirements on the resources of client terminals, and the basis for designing an I/O storage scheme is provided, so that the resource surplus or resource insufficience is avoided, and the applicability of the designed storage scheme is ensured; and meanwhile, the requirement recording and the multithreading pressure replay simulation are automatic, so that the work quantity of requirement acquirement and scheme design is reduced.
Description
[technical field]
The present invention relates to be used under the VDI environment storage I/O demand and record the method for verifying with pressure simulation.
[background technology]
In desktop virtual (VDI) scheme, all users' desktop operating system and user data all are stored on the storage array (the independently local disk array of storage or data center server) of data center, the I/O performance of storage array is a key factor that directly affects the desktop operating system usability, the factor such as I/O performance, capacity that needs considering cost, storage array in the VDI scheme design process is in the hope of obtaining a balance between these several factors.Current each solution manufacturer collection and storage for storage array I/O demand in scheme design process mostly adopts following method:
One, storage array I/O performance requirement collection method mainly contains following two kinds:
(1), utilize the performance counter of Windows system to collect the storage I/O performance requirement of desktop user in the separate unit terminal, this method needs managerial personnel performance counter to be set by hand to collect the performance requirement data on many station terminals, trivial operations, and can only check by the data that the Windows performance counter is collected, can't be directly used in the pressure validation test;
(2), use special-purpose software (this software is based on the WMI Interface realization of Windows system) that the storage I/O performance requirement of desktop user is collected and record, this method can be implemented in the unified I/O performance requirement data of collecting a plurality of desktop user of central control board, but these data also can only by simple application in the I.O operating position of checking single machine, can't be accomplished the playback utilization of data.
Two, the storage method mainly contains following two kinds:
(1), based on the method for designing of empirical data, this method is to carry out conceptual design according to empirical data in the past, and empirical data mostly is based on the data of traditional PC application model, and different clients' application characteristic differs, I/O performance requirement to storage array is also different, therefore based on the method for designing of empirical data can not actual response desktop virtual scheme in user I/O performance requirement, so that there are the problems such as resource surplus, inadequate resource in the scheme of design, thereby affect holistic cost and the overall performance of scheme.
(2), the mean value of the data of collecting based on first described demand collection method in the background technology designs, this method comes with some shortcomings, as: mean value can't embody the peak valley rule of user's request;
In addition, storage array all is furnished with Cache, be used for interim buffer memory and merging are carried out in user's I/O operation, to improve response speed and reduction to the I/O demand of hard disk, because the IOPS performance of every mechanical hard disk is limited, if there is not Cache, the hard disk quantity that then needs will increase (storage array needs 2 hard disks to form at least, and the storage permutation is that hard disk forms according to certain arrangement) greatly.But the processing power of the storage of processor of the storage array of different model (SP) is different, Cache is different, therefore also different with the merging ability to the interim buffer memory of user I/O operation, in other words, identical user's request required hard disk quantity etc. on the storage array of different model also will produce larger difference, therefore this method for designing can not accurately calculate the configuration needs of storage, also can only on the basis of the data of collecting, rule of thumb design, therefore have equally the problems such as resource surplus, inadequate resource.
Publication number is 102393829A, open day is the patent of invention " a kind of magnetic disc i/o test macro of embedded system " of 2012-03-28, at first, the technical scheme that this patent adopts is that the I/O for embedded product under the normal mode obtains, it is directly in the face of the physical hardware layer that its I/O obtains, and the virtual pattern of cloud computing, on hardware view, increased again the virtual opetrating system layer, therefore under the virtual pattern of cloud computing, conventional I/O obtains the physical hardware layer I/O that instrument can't directly obtain bottom under the virtual environment, because the virtual opetrating system layer call physical hardware layer process can loss the I/O resource, it is to obtain that the I/O of the I/O resource of this loss by routine obtains instrument.That I/O under the virtual pattern of cloud computing obtains and the present invention faces, with I/O computational tool under the normal mode in essence difference is arranged, except the I/O of needs calculating from Physical layer to the virtualizing operating systems layer, also need to obtain the I/O of the virtual desktop on the virtualization layer, calculate final I/O demand by the I/O on these two levels.Secondly, the technical scheme that this patent adopts is just obtained must the I/O demand, and the present invention possesses the I/O recording function, can record the process of any I/O of taking of virtual desktop, can distinguish each process in actual application, shared I/O realizes the classification of I/O demand.
[summary of the invention]
The technical problem to be solved in the present invention is to provide a kind of and records the method for verifying with pressure simulation for storage I/O demand.
The present invention is achieved in that
Be used for storage I/O demand and record the method for verifying with pressure simulation, comprise the steps:
Step 1, client terminal are under the VDI environment, in client terminal collection Client application process, each process that takies magnetic disc i/o under the virtual desktop is recorded, record the I/O resource requirement of described each process in the Client application process, and described I/O resource requirement is recorded in the recorded file, each client terminal is all preserved a described recorded file, and described recorded file is sent to server; The form of described I/O resource requirement in recorded file is self-defined as required;
Step 2, described server are aggregated into total recorded file with each described recorded file, and described server is sent to the pressure verification terminal with described total recorded file; Described pressure verification terminal is the physics host main frame that carries plural platform virtual machine, and described virtual machine is based on the virtual machine on the virtualizing operating systems; Be the virtual disk on the Different L UN on every virtual machine memory allocated array, described storage array is the storage array of described physics host main frame;
Step 3: each described virtual machine is positioned at the read-write operation of the virtual disk on the Different L UN according to the I/O resource requirement of recording in described total recorded file by the multithreading operation simulation, thereby carries out the pressure simulation checking;
Step 4: each described virtual machine is kept at execution result respectively in the playback file, then each described playback file is sent to server; The form of described execution result in described playback file is self-defined as required;
Step 5: described server is aggregated into total playback file with each described playback file, described server is analyzed described total recorded file and described total playback file, whether the status of resource allocation that provides each described virtual machine on the described pressure simulation verification terminal can satisfy the conclusion of the resource requirement of client terminal, for the I/O storage provides foundation.
Further, the I/O resource requirement in the described step 1 comprises I/O request type, I/O request queue, I/O request execution sequential, each I/O request delay and each I/O request response time of client terminal.
Further, the execution result in the described step 4 comprises: sequential, each I/O request delay and each I/O request response time are carried out in the I/O request type of described virtual machine, I/O request queue, I/O request.
Further, described step 3 is specially: the virtual machine on the described pressure verification terminal reads I/O request type, I/O request queue and the I/O request of described total recorded file and carries out sequential, by virtual disk controller and the virtual disk driver in the virtual machine, send described I/O request type, I/O request queue and I/O request to described virtual disk and carry out sequential; Described virtual disk is after receiving described I/O request type, I/O request queue and I/O request execution sequential, carry out sequential according to described I/O request type, I/O request queue and I/O request and carry out same operation at virtual disk, obtain each I/O request delay of described virtual machine and the request response time of each I/O, thereby carry out described pressure simulation checking.
Further, server is analyzed described total recorded file and described total playback file in the described step 5, is specially: each I/O request delay and each I/O request response time of execution result in each the I/O request delay of I/O resource requirement in described total recorded file and each I/O request response time and the described total playback file are contrasted respectively; If each I/O request delay of the execution result of virtual machine is less than or equal to each I/O request delay of I/O resource requirement in total recorded file, and each I/O request response time of the execution result of virtual machine is less than or equal to each I/O request response time of I/O resource requirement in total recorded file, the conclusion that then can make a determination, the status of resource allocation of each described virtual machine can satisfy the resource requirement of client terminal on the described pressure simulation verification terminal; Otherwise, then do not satisfy.
Further, described client terminal gather time period of described I/O resource requirement can be self-defined as required.
The present invention has following advantage: the storage I/O resource requirement of truly recording different client terminals, and will store the I/O resource requirement and be kept in the recorded file by the form that defines, then come pressure that is virtually reality like reality by the described recorded file of pressure verification terminal playback, real embodiment is dissimilar, the virtual desktop load capacity of the storage I/O of different configurations, guarantee that the virtual desktop user experiences, avoid resource surplus or inadequate resource, for storage provides favourable foundation, guarantee the applicability of designed storage scheme; Simultaneously, demand is recorded and multithreading pressure playback analog automatization, and the reduction demand is collected and the conceptual design workload.
[description of drawings]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the inventive method structural representation.
[embodiment]
See also Fig. 1, the specific embodiment of the invention is elaborated.
Be used for storage I/O demand and record the method for verifying with pressure simulation, concrete steps are as follows:
Step 1, client terminal are under the VDI environment, in client terminal collection Client application process, each process that takies magnetic disc i/o under the virtual desktop is recorded, record the I/O resource requirement of described each process in the Client application process, and described I/O resource requirement is recorded in the recorded file, each client terminal is all preserved a described recorded file, and described recorded file is sent to server; The form of described I/O resource requirement in recorded file is self-defined as required; Described client terminal gathers time period of described I/O resource requirement can be self-defined as required; Described I/O resource requirement comprises I/O request type, I/O request queue, I/O request execution sequential, each I/O request delay and each I/O request response time of client terminal; In the present embodiment, the quantity of client terminal is at least one, but quantity is more, and the real I/O resource requirement of real embodiment is got in the I/O resource requirement that collects;
Step 2, described server are aggregated into total recorded file with each described recorded file, and described server is sent to the pressure verification terminal with described total recorded file; Described pressure verification terminal is the physics host main frame that carries plural platform virtual machine, and described virtual machine is based on the virtual machine on the virtualizing operating systems; Be the virtual disk on the Different L UN on every virtual machine memory allocated array, described storage array is the storage array of described physics host main frame; The full name of described LUN is Logical Unit Number, Chinese: logical unit number is the number of a disk space in the storage array.Described total recorded file can be carried out format conversion at server end, convert the discernible broadcast format of server to, for example the operating system of server end is the windows system, then can be converted to the I/O broadcast format of windows identification, such as the blg form, transfer process is state of the art;
Step 3, each described virtual machine are positioned at the read-write operation of the virtual disk on the Different L UN according to the I/O resource requirement of recording in described total recorded file by the multithreading operation simulation, thereby carry out the pressure simulation checking;
Particularly, virtual machine on the described pressure verification terminal reads I/O request type, I/O request queue and the I/O request of described total recorded file and carries out sequential, by virtual disk controller and the virtual disk driver in the virtual machine, send described I/O request type, I/O request queue and I/O request to described virtual disk and carry out sequential; Described virtual disk is after receiving described I/O request type, I/O request queue and I/O request execution sequential, carry out sequential according to described I/O request type, I/O request queue and I/O request and carry out same operation at virtual disk, obtain each I/O request delay of described virtual machine and the request response time of each I/O, thereby carry out described pressure simulation checking.
Step 4, each described virtual machine are kept at execution result respectively in the playback file, then each described playback file are sent to server; The form of described execution result in described playback file is self-defined as required; The form of described execution result in playback file is self-defined as required; Described execution result comprises: sequential, each I/O request delay and each I/O request response time are carried out in the I/O request type of described virtual machine, I/O request queue, I/O request;
Step 5, described server are aggregated into total playback file with each described playback file, described server is analyzed described total recorded file and described total playback file, is specially: each I/O request delay and each I/O request response time of execution result in each the I/O request delay of I/O resource requirement in described total recorded file and each I/O request response time and the described total playback file are contrasted respectively; If each I/O request delay of the execution result of virtual machine is less than or equal to each I/O request delay of I/O resource requirement in total recorded file, and each I/O request response time of the execution result of virtual machine is less than or equal to each I/O request response time of I/O resource requirement in total recorded file, the conclusion that then can make a determination, the status of resource allocation of each described virtual machine can satisfy the resource requirement of client terminal on the described pressure simulation verification terminal; Otherwise, then do not satisfy, for the I/O storage provides foundation.Described status of resource allocation comprises: the I/O sum that virtual disk provides, the time-delay of I/O read-write requests and I/O read-write response time.
Need to prove that the present invention can by described server controls collection and checking, after described server is assigned acquisition instructions, gather the I/O resource requirement of using in the Client application process disk at client terminal; After assigning beginning testing authentication instruction, server carries out the pressure simulation checking.
The present invention has following advantage: the storage I/O resource requirement of truly recording different client terminals, and will store the I/O resource requirement and be kept in the recorded file by the form that defines, then come pressure that is virtually reality like reality by the described recorded file of pressure verification terminal playback, real embodiment is dissimilar, the virtual desktop load capacity of the storage I/O of different configurations, guarantee that the virtual desktop user experiences, avoid resource surplus or inadequate resource, for storage provides favourable foundation, guarantee the applicability of designed storage scheme; Simultaneously, demand is recorded and multithreading pressure playback analog automatization, and the reduction demand is collected and the conceptual design workload.
Although more than described the specific embodiment of the present invention; but being familiar with those skilled in the art is to be understood that; our described specific embodiment is illustrative; rather than for the restriction to scope of the present invention; those of ordinary skill in the art are in modification and the variation of the equivalence of doing according to spirit of the present invention, all should be encompassed in the scope that claim of the present invention protects.
Claims (6)
1. be used for storage I/O demand and record the method for verifying with pressure simulation, it is characterized in that, comprise the steps:
Step 1, client terminal are under the VDI environment, in client terminal collection Client application process, each process that takies magnetic disc i/o under the virtual desktop is recorded, record the I/O resource requirement of described each process in the Client application process, and described I/O resource requirement is recorded in the recorded file, each client terminal is all preserved a described recorded file, and described recorded file is sent to server; The form of described I/O resource requirement in recorded file is self-defined as required;
Step 2, described server are aggregated into total recorded file with each described recorded file, and described server is sent to the pressure verification terminal with described total recorded file; Described pressure verification terminal is the physics host main frame that carries plural platform virtual machine, and described virtual machine is based on the virtual machine on the virtualizing operating systems; Be the virtual disk on the Different L UN on every virtual machine memory allocated array, described storage array is the storage array of described physics host main frame;
Step 3: each described virtual machine is positioned at the read-write operation of the virtual disk on the Different L UN according to the I/O resource requirement of recording in described total recorded file by the multithreading operation simulation, thereby carries out the pressure simulation checking;
Step 4: each described virtual machine is kept at execution result respectively in the playback file, then each described playback file is sent to server; The form of described execution result in described playback file is self-defined as required;
Step 5: described server is aggregated into total playback file with each described playback file, described server is analyzed described total recorded file and described total playback file, whether the status of resource allocation that provides each described virtual machine on the described pressure simulation verification terminal can satisfy the conclusion of the resource requirement of client terminal, for the I/O storage provides foundation.
2. according to claim 1ly record method with the pressure simulation checking for storage I/O demand, it is characterized in that: the I/O resource requirement in the described step 1 comprises that I/O request type, I/O request queue, the I/O request of client terminal carry out sequential, each I/O request delay and each I/O request response time.
3. according to claim 1ly record method with the pressure simulation checking for storage I/O demand, it is characterized in that: the execution result in the described step 4 comprises: sequential, each I/O request delay and each I/O request response time are carried out in the I/O request type of described virtual machine, I/O request queue, I/O request.
4. according to claim 1ly record method with the pressure simulation checking for storage I/O demand, it is characterized in that: described step 3 is specially: the virtual machine on the described pressure verification terminal reads I/O request type, I/O request queue and the I/O request of described total recorded file and carries out sequential, by virtual disk controller and the virtual disk driver in the virtual machine, send described I/O request type, I/O request queue and I/O request to described virtual disk and carry out sequential; Described virtual disk is after receiving described I/O request type, I/O request queue and I/O request execution sequential, carry out sequential according to described I/O request type, I/O request queue and I/O request and carry out same operation at virtual disk, obtain each I/O request delay of described virtual machine and the request response time of each I/O, thereby carry out described pressure simulation checking.
5. according to claim 4ly record method with the pressure simulation checking for storage I/O demand, it is characterized in that: server is analyzed described total recorded file and described total playback file in the described step 5, is specially: each I/O request delay and each I/O request response time of execution result in each the I/O request delay of I/O resource requirement in described total recorded file and each I/O request response time and the described total playback file are contrasted respectively; If each I/O request delay of the execution result of virtual machine is less than or equal to each I/O request delay of I/O resource requirement in total recorded file, and each I/O request response time of the execution result of virtual machine is less than or equal to each I/O request response time of I/O resource requirement in total recorded file, the conclusion that then can make a determination, the status of resource allocation of each described virtual machine can satisfy the resource requirement of client terminal on the described pressure simulation verification terminal; Otherwise, then do not satisfy.
6. according to claim 1ly record method with the pressure simulation checking for storage I/O demand, it is characterized in that: described client terminal gathers time period of described I/O resource requirement can be self-defined as required.
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| CN110413508A (en) * | 2019-06-25 | 2019-11-05 | 阿里巴巴集团控股有限公司 | A kind of data processing method of operation system safety guarantee, apparatus and system |
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