CN103095968B - Multi-scene self-adaptive emergency servicing method for broadcasting system - Google Patents
Multi-scene self-adaptive emergency servicing method for broadcasting system Download PDFInfo
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Abstract
The invention relates to a multi-scene self-adaptive emergency preparation method of a broadcasting system, which comprises a video server, an emergency standby broadcasting storage body serving as an emergency standby broadcasting area, a near-line tape library and a secondary storage body, wherein the emergency standby broadcasting area dynamically updates and stores all programs to be broadcasted within 8 hours, the secondary storage body is a secondary storage body which performs program backup by adopting a double-storage-body complementary mode, and the double-storage-body is a cluster A and a cluster B respectively; the invention can save one time of memory cost by a double-cluster complementary storage mode, can meet the function of emergency standby broadcasting by adopting an emergency memory with a small number of storage functions, and meets the high safety of broadcasting and saves the construction cost of the memory by performing dynamic self-adaptive program standby broadcasting among the main memory cluster A, the cluster B, the emergency standby broadcasting area, the near-line tape library and the video server.
Description
Technical field
The present invention relates to broadcast television industry and broadcast field, particularly the many scene adaptives of broadcast system are emergent reorganizes and outfit method, and the broadcast that not only can ensure safety, can also reduce the construction cost for broadcast system greatly.
Technical background
Once occur in traditional broadcast system for broadcasting linkage fault or network failure, be all to intervene processing by mode manually, and the risk that this processing mode exists is high, the one, the easy misoperation of artificial processing; The 2nd, by the mode of human intervention, easily introduce virus; The 3rd, artificial processing is often not prompt enough, on the opportunity of easily missing processing, finally causes broadcast accident.More and more higher along with the digitlization of broadcast system, intelligent degree, the system complexity bringing is also more and more higher.In advance TV platform automatic broadcast system, conventionally adopt the mode of broadcast video server and secondary storage body two-stage program storage, wherein, on broadcast video server, carry certain memory space, for storing the program broadcasting and will broadcast, secondary storage body is as expansion storage and the pre-stored space of broadcast video server, can by a period of time more early before broadcasting, be received program file to be broadcasted at program, for standby, broadcasts storage.A period of time before program closes on broadcast, by broadcast system, according to broadcast items list, automatically control and program to be broadcast is moved to the broadcast video server that need to broadcast this program by secondary storage body.Because current large-scale tv platform is all that multichannel broadcasts, often different channels is used different video servers, and secondary storage body can be used as the standby shared buffer memory space of broadcasting of these multiple video servers and uses.Standby the broadcasting of the program of broadcast system is divided into several stages conventionally, enters broadcast system secondary storage be commonly referred to that secondary is standby to be broadcast from external system, from broadcasting secondary storage or emergent Bei Bo district, enters broadcast video server and is commonly referred to three grades of standby broadcasting; Also be commonly referred to standby task and the three grades of standby tasks of broadcasting broadcast of secondary with standby the broadcasting with three grades of standby standby tasks of broadcasting accordingly of broadcasting of secondary.In order to guarantee that safety is standby, broadcast, adopt under normal circumstances the binary backup policy of secondary storage body, at two, independently on physical disk array, need to be broadcast program file is respectively preserved to portion.Although this strategy can improve fail safe to a certain extent, but the strategy that this active and standby memory bank backs up completely can bring being doubled and redoubled of cost, and every part of program all to be uploaded to advocate peace standby, can cause being again doubled and redoubled of bandwidth pressure, efficiency is but decline at double simultaneously, nonetheless, once there is memory bank or network failure, must intervene and process manually, and also there is certain hidden danger simultaneously in the mode of intervening manually, for example artificial easily misoperation, the problems such as artificial treatment is not prompt enough, therefore in order to solve this cost, bandwidth, all contradiction between efficiency and fail safe.
Summary of the invention
The object of the invention is the emergent method of reorganizing and outfit of the many scene adaptives of broadcast system proposing for the problems referred to above, relating in broadcast system program reorganizes and outfit while there are abnormal conditions in process, the method can be enabled emergent reorganize and outfit flow process, security implication broadcast system being caused to reduce the system failure according to concrete failure problems point automatically.
To achieve these goals, the emergent method of reorganizing and outfit of the many scene adaptives of broadcast system of the present invention, comprise standby broadcast management server, migration server cluster, video server, meeting an urgent need for broadcasting memory bank, near line tape pool, secondary storage body, common storage area as emergent Bei Bo district, described emergent Bei Bo district dynamically updates storage, and apart from broadcast time, the institute in threshold values M hour needs to be broadcast program, described secondary storage body is to adopt two memory bank complimentary fashion to carry out the secondary storage body of program back-up storage, and described pair of memory bank is respectively bunch A and bunch B; Described method comprises standby task and the three grades of standby tasks of broadcasting broadcast of secondary, the standby task of broadcasting of described secondary refers to that by the program to be broadcast of examining, from external system migration, having entered broadcast system secondary storage body wait broadcast uses, described three grades refer to that for the tasks of broadcasting the program to be broadcast by audit has entered into video server wait broadcast use from the migration of broadcast system secondary storage body, and the emergent step of reorganizing and outfit method of described many scene adaptives further comprises:
A. the standby management server of broadcasting detects when in two bunches of bunch A or bunch B, any one bunch breaks down, and the standby management server of broadcasting broadcasts by standby secondary the half that the cycle is reduced to primitive period automatically;
B. the standby management server of broadcasting checks the standby task of broadcasting of current all secondarys that complete, and the secondary that moves to failed cluster is all automatically revised as and moves to fault-free bunch for broadcasting task;
C. the standby management server of broadcasting, according to the standby standby task of broadcasting of secondary of broadcasting for the treatment of of programme, checks whether fault-free bunch has program accordingly to be broadcast, if do not have program accordingly to be broadcast in fault-free bunch, checks whether emergent Bei Bo district has program accordingly to be broadcast; If existing, emergent Bei Bo district treats accordingly, for broadcasting program, by emergent Bei Bo district, to be synchronized to fault-free bunch;
If whether d. also this program to be broadcast not of emergent Bei Bo district, detecting near line tape pool has program accordingly to be broadcast; If near line tape pool has program accordingly to be broadcast, this program to be broadcast is moved to fault-free bunch; If also this program to be broadcast not of near line tape pool, automatically notify station synchronization resource and arranging system to upload program accordingly to be broadcast to common storage area, and at informing removal server cluster after broadcasting program and having uploaded, program accordingly to be broadcast is moved to fault-free bunch from common storage area, and the priority that this migration task is set is for the highest; Detect simultaneously treat standby broadcast program apart from broadcast time whether in threshold values M hour, if entered threshold values M hour with interior also need be by fault-free bunch synchronized copy portion program to be broadcast to emergent Bei Bo district;
E. check that uncompleted three grades standby are broadcast task, if three grades of standby sources of broadcasting task are failed cluster, and this standbyly broadcasts program and does not also enter lockup simultaneously, and the source that will standby broadcast task be adjusted into non-failed cluster; If this has entered lockup for broadcasting task, will be adjusted into emergent Bei Bo district for the source of broadcasting, directly from emergent Bei Bo district, carry out three grades of standby broadcasting.
Further, described threshold values M is more than or equal to 4 hours.
The present invention to the contribution of prior art is: by two bunches of complementary memory modules, can save the memory bank cost of a times, the emergent memory bank that employing has a small amount of memory function can meet again the emergent standby function of broadcasting, by carrying out between primary storage body bunch A, bunch B, emergent Bei Bo district, near line tape pool and video server, dynamic self-adapting program is standby to be broadcast, met the high security broadcasting, the construction cost of having saved again memory bank.
Below in conjunction with embodiment and accompanying drawing, the present invention is made a detailed description.
Accompanying drawing explanation
Fig. 1 is system schematic of the present invention;
?fig. 2 is emergent process 1 schematic diagram of reorganizing and outfit of self adaptation when memory bank bunch A or subnetwork break down;
Fig. 3 is emergent process 2 schematic diagrames of reorganizing and outfit of self adaptation when memory bank bunch A or subnetwork break down.
Embodiment
The many scene adaptives of broadcast system are emergent reorganizes and outfit method, comprises standby management server, migration server cluster, video server, emergent standby emergent standby broadcast memory bank, near line tape pool, secondary storage area, the common storage area of broadcasting memory block of conduct broadcast.As shown in Figure 1: wherein, the standby management server, migration server cluster, video server broadcast is connected to each other by network, standbyly broadcasts management server and also by network, is connected (for example Program Making System, program auditing system, station synchronization resource and arranging system etc.) with necessary external system simultaneously; Migration server cluster is connected by memory transactions network with secondary storage area (in fact secondary storage body is divided into two independently memory disc battle array bunch A and a bunch B), near line tape pool, video server.Described emergent Bei Bo district dynamically updates storage, and apart from broadcast time, the institute in threshold values M hour needs to be broadcast program, threshold values M is manually adjusted the size of M as required by Broadcast Control staff, generally be more than or equal to 4 hours, conventionally be set to M=8, described secondary storage area is the secondary storage body that adopts two memory bank complimentary fashion to carry out program backup, and described pair of memory bank is respectively bunch A and bunch B; Under normal circumstances, two memory banks here can adopt two physically independent disk arrays to realize, and two disk arrays can have identical volume space.So-called complementary mode is stored and is referred to a program or storage on A bunch, or storage on B bunch, but not storage simultaneously on two bunches, to save, under normal circumstances the too much redundancy of disk space is taken, described method comprises standby task and the three grades of standby tasks of broadcasting broadcast of secondary, the standby task of broadcasting of described secondary refers to that by the program to be broadcast of examining, from external system migration, having entered broadcast system secondary storage body wait broadcast uses, described three grades of standby tasks of broadcasting refer to that by the program to be broadcast of examining, from the migration of broadcast system secondary storage body, having entered into video server wait broadcast uses.
The emergent step of reorganizing and outfit method of described many scene adaptives further comprises:
A. when standby when broadcasting management server and detecting that in two bunches of bunch A or bunch B, any one bunch breaks down, the standby management server of broadcasting detects and broadcasts the cycle and automatically reduce half standby secondary;
B. the standby management server of broadcasting checks the standby task of broadcasting of current all secondarys that complete, and the secondary that moves to failed cluster is all automatically revised as and moves to fault-free bunch for broadcasting task;
C. the standby management server of broadcasting, according to the standby standby task of broadcasting of secondary of broadcasting for the treatment of of programme, checks whether fault-free bunch has program accordingly to be broadcast, if do not have program accordingly to be broadcast in fault-free bunch, checks whether emergent Bei Bo district has program accordingly to be broadcast; If existing, emergent Bei Bo district treats accordingly, for broadcasting program, by emergent Bei Bo district, to be synchronized to fault-free bunch.
If d. also this program to be broadcast not of emergent Bei Bo district, detect near line tape pool and whether have program accordingly to be broadcast, if also this program to be broadcast not of near line tape pool, automatically notify station synchronization resource and arranging system to generate the standby task of broadcasting of secondary, upload program accordingly to be broadcast to common storage area, and at informing removal server cluster after broadcasting program and having uploaded, program accordingly to be broadcast is moved to fault-free bunch from common storage area, and this standby priority of broadcasting task is set for the highest; Detect simultaneously treat standby broadcast program apart from broadcast time whether in threshold values M hour, entered scope memory time in emergent Bei Bo district, if entered threshold values M hour with interior also need be by the synchronous portion of non-failed cluster program to be broadcast to emergent Bei Bo district.
E. check that uncompleted three grades standby are broadcast task, if three grades of standby sources of broadcasting task are failed cluster, and this standbyly broadcasts program and does not also enter lockup simultaneously, and the source that will standby broadcast task be adjusted into non-failed cluster; If this has entered lockup for broadcasting task, will be adjusted into emergent Bei Bo district for the source of broadcasting, directly from emergent Bei Bo district, carry out three grades of standby broadcasting.
When the fault of above-described embodiment appears at bunch A, just mainly solve standby emergent the reorganizing and outfit of self adaptation of broadcasting task take bunch A as object, when turn fault appears at bunch B, just mainly solve standby emergent the reorganizing and outfit of self adaptation of broadcasting task take bunch B as object; Below with bunch A the further illustrating above-described embodiment of breaking down:
The just standing process of broadcasting: use the standby management method of broadcasting of system as shown in Figure 1, the course of work under the state of the normal work of all devices is roughly:
The standby management server of broadcasting receives the programme to be broadcast through audit from station synchronization arranging system, according to system, the program broadcasting time of this programme to be broadcast can be following one week with interior or two weeks in.If when conventionally secondary storage area dish battle array amount is larger, for guaranteeing standbyly to broadcast safety, the program broadcasting time that programme can be set is in following two weeks, namely with two weeks, for just standing, broadcasts the cycle.Standby broadcast management server and receive programme to be broadcast after, according to programme, generate the standby task of broadcasting, the standby task of broadcasting is divided into program to be broadcast is entered and broadcasts that the secondary of secondary storage area is standby broadcasts task and from strip sowing program is entered to three grades of standby tasks of broadcasting of video server from broadcasting secondary storage area migration from external system migration; When generating that secondary is standby broadcasts task, standbyly broadcast management server according to the principle of load balancing capacity equilibrium, by all standby migration object dish battle array balanced distribution between bunch A and bunch B of broadcasting task, select one of them as migration object dish battle array; When one after the standby migration object dish battle array of broadcasting task of the secondary of broadcasting program is determined, the corresponding three grades of standby migration sources of broadcasting task of this program are just defined as the standby object dish battle array of broadcasting task of secondary simultaneously, and three grades of standby migration objects of broadcasting task are exactly the video server that this program predetermination will broadcast.At secondary, for broadcasting task and three grades of standby broadcasting after task generation, for broadcasting management server, by circular test, whether these complete for broadcasting task, and the while, when meeting program transition condition, migrates to the standby destination of setting in task of broadcasting by program file.Meanwhile, for strengthening the standby fail safe of broadcasting, for all scheduled broadcast times apart from current time the program in 8 hours, also its program file synchronized copy is moved to the emergent standby memory bank portion of broadcasting, use when there is emergency.
Standby, broadcast in process, the standby management server of broadcasting will be at any time and migration server trunking communication, by migration server cluster, obtain the working condition of two disk arrays of secondary storage area, once there is situation about can not access in some memory banks of secondary storage body, by following emergent flow processing:
As shown in Figure 2;
1. as secondary storage body bunch A(or bunch B) dish battle array break down or bunch A(that network failure causes or bunch B) cannot access time, system is automatically reorganized and outfit the secondary of program Cycle Length reduction half and is carried out standby broadcasting, originally standby broadcast two weeks standby and broadcast task, be automatically adjusted into and standbyly broadcast one week;
2. by toward bunch A(or bunch B) the standby task of broadcasting of secondary be automatically adjusted into toward bunch B(bunch A) carry out standby broadcasting;
3. simultaneously according to the standby standby performance of broadcasting of broadcasting all programs in cycle detection programme to be broadcast of the secondary after adjusting, if there is not program accordingly to be broadcast on bunch B, detect emergent Bei Bo district and whether have the corresponding standby program of broadcasting, if have, from emergent Bei Bo district, program migration is copied to bunch B and carries out standby broadcasting, if emergent memory block is the not corresponding standby program of broadcasting also, detect near line tape pool, if there is the corresponding standby program of broadcasting near line tape pool, from near line tape pool, program migration is copied to a bunch B, scope memory time that whether has entered emergent Bei Bo district for broadcasting program is treated in detection simultaneously, namely whether apart from broadcast time of this program in 8 hours, also need be by the synchronous portion of non-failed cluster bunch B program to be broadcast to emergent Bei Bo district if entered, if near line tape pool is the not corresponding standby program of broadcasting also, notify external system (normally station synchronization resource and arranging system or media asset management system or program are manufactured system) this program file to be uploaded to a common storage area that can have access to for the migration server cluster of broadcast system, by migration server cluster, after having uploaded, copy this program file migration to a bunch B, scope memory time that whether has entered emergent Bei Bo district for broadcasting program is treated in detection simultaneously, also need be by the synchronous portion of non-failed cluster bunch B program to be broadcast to emergent Bei Bo district if entered, and this type of standby priority of broadcasting is set to the highest.
By above adjustment basic guarantee original standby secondary that casts to bunch A is standby broadcasts task and in bunch B, also had corresponding backup, for follow-up, toward video server, reorganize and outfit and provide the foundation.
Embodiment has also solved three grades of standby emergent reorganizing and outfit of self adaptation of broadcasting task take bunch A as source simultaneously:
As shown in Figure 3; When a bunch A breaks down, take bunch A as source, move to three grades of each video server and reorganize and outfit task, source need be adjusted to by a bunch B and move to each video server;
If source is moving to three grades of each video server and standbyly broadcasting task do not find corresponding program on bunch B of bunch A, laggard row retry at regular intervals, if arrived the standby lockup of broadcasting of video server, also on bunch B, do not find the corresponding standby program of broadcasting, enable emergent Bei Bo district, by emergent Bei Bo district, directly move to video server.
Claims (2)
1. the emergent method of reorganizing and outfit of the many scene adaptives of broadcast system, the broadcast system of realizing described method comprises standby broadcast management server, migration server cluster, video server, meeting an urgent need for broadcasting memory bank, near line tape pool, secondary storage body, common storage area as emergent Bei Bo district, described secondary storage body is to adopt two memory bank complimentary fashion to carry out the secondary storage body of program back-up storage, and described pair of memory bank is respectively bunch A and bunch B, described method comprises standby task and the three grades of standby tasks of broadcasting broadcast of secondary, the standby task of broadcasting of described secondary refers to that by the program to be broadcast of examining, from external system migration, having entered broadcast system secondary storage body wait broadcast uses, described three grades of standby tasks of broadcasting refer to that by the program to be broadcast of examining, from the migration of broadcast system secondary storage body, having entered into video server wait broadcast uses, described emergent Bei Bo district dynamically updates storage, and apart from broadcast time, the institute in threshold values M hour needs to be broadcast program, it is characterized in that, the emergent step of reorganizing and outfit method of described many scene adaptives further comprises:
A. the standby management server of broadcasting detects when in two bunches of bunch A or bunch B, any one bunch breaks down, and the standby management server of broadcasting broadcasts by standby secondary the half that the cycle is reduced to primitive period automatically;
B. the standby management server of broadcasting checks the standby task of broadcasting of current all secondarys that complete, and the secondary that moves to failed cluster is all automatically revised as and moves to fault-free bunch for broadcasting task;
C. the standby management server of broadcasting, according to the standby standby task of broadcasting of secondary of broadcasting for the treatment of of programme, checks whether fault-free bunch has program accordingly to be broadcast, if do not have program accordingly to be broadcast in fault-free bunch, checks whether emergent Bei Bo district has program accordingly to be broadcast; If existing, emergent Bei Bo district treats accordingly, for broadcasting program, by emergent Bei Bo district, to be synchronized to fault-free bunch;
If whether d. also this program to be broadcast not of emergent Bei Bo district, detecting near line tape pool has program accordingly to be broadcast; If near line tape pool has program accordingly to be broadcast, this program to be broadcast is moved to fault-free bunch; If also this program to be broadcast not of near line tape pool, automatically notify station synchronization resource and arranging system to upload program accordingly to be broadcast to common storage area, and at informing removal server cluster after broadcasting program and having uploaded, program accordingly to be broadcast is moved to fault-free bunch from common storage area, and the priority that this migration task is set is for the highest; Detect simultaneously treat standby broadcast program apart from broadcast time whether in threshold values M hour, if entered threshold values M hour with interior also need be by fault-free bunch synchronized copy portion program to be broadcast to emergent Bei Bo district;
E. check that uncompleted three grades standby are broadcast task, if three grades of standby sources of broadcasting task are failed cluster, and this standbyly broadcasts program and does not also enter lockup simultaneously, and the source that will standby broadcast task be adjusted into non-failed cluster; If this has entered lockup for broadcasting task, will be adjusted into emergent Bei Bo district for the source of broadcasting, directly from emergent Bei Bo district, carry out three grades of standby broadcasting.
2. the many scene adaptives of broadcast system according to claim 1 are emergent reorganizes and outfit method, it is characterized in that, described threshold values M is more than or equal to 4 hours.
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| CN103873893A (en) * | 2014-03-14 | 2014-06-18 | 中央电视台 | Broadcast control method and system |
| CN103873892B (en) * | 2014-03-14 | 2017-03-29 | 中央电视台 | Broadcasting method and system |
| CN106412612B (en) * | 2016-09-27 | 2019-09-17 | 中央电视台 | Method, device and system for preparing program file |
| CN106507152B (en) * | 2016-10-20 | 2020-01-03 | 中央电视台 | Method and device for preparing and deleting program files |
| CN109819275B (en) * | 2019-01-16 | 2021-03-16 | 中央电视台 | 4K ultra-high-definition video server playing channel multiplexing method, workstation and system |
| CN114302027B (en) * | 2021-12-22 | 2024-07-02 | 上海正在上演文化科技有限公司 | Digital performance SaaS system based on 5G technology |
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