CN101931650A - Management method and device for storing resource configuration information - Google Patents
Management method and device for storing resource configuration information Download PDFInfo
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Abstract
The invention provides a method and a device for managing storage resource configuration information, relates to the field of storage, and solves the problem that an initiating end cannot update the logic unit number attribute information on line in the prior art. The method for managing the storage resource configuration information comprises the step that: when detecting that the logic unit number attribute information of a local storage resource changes, the target terminal transmits the changed logic unit number attribute information to the initiating end which is positioned in an online state. The technical scheme provided by the invention can be applied to updating the storage resource configuration information.
Description
Technical field
The present invention relates to field of storage, relate in particular to a kind of management method and device of storage resource configuration information.
Background technology
Storage system in the middle and high end has very high requirement to the reliability of system and the continuity of business.Need storage system when storage resources is configured and manages, can not interrupt user's access service, and the assurance originating end can in time be known the change of storage resources.
The storage system of iSCSI agreement adopts asks---and the pattern of response is served, i.e. certain operation of originating end request target end, destination end is resolved and is also carried out this operation, and the result that will operate returns then.Wherein storage resources is that Lun (LUN) identifies in the storage system of iSCSI agreement.
In realizing process of the present invention, the inventor finds prior art, and there are the following problems:
Originating end is only just understood to Lun attribute information of destination end request at the beginning of creating session, and adopts the Lun attribute information of this request to use storage resources to roll off the production line up to self.And when logining, obtain the Lun attribute once more next time.Therefore, after needs are made amendment to the Lun attribute information, must interrupt of the visit of whole originating ends, just can get access to amended Lun attribute thereby login again by originating end to destination end, accurate with the visit that guarantees storage resources.And in said process, the modification of Lun attribute information must just can be finished by interrupting service, runs counter to the desired business continuance of storage system, has influenced user's visit, has reduced the service quality of system.
Summary of the invention
The invention provides a kind of management method and device of storage resource configuration information, solve the problem that originating end in the prior art can't online updating Lun attribute information.
For solving the problems of the technologies described above, the invention provides following technical scheme:
A kind of management method of storage resource configuration information comprises:
After LUN attribute information that destination end detects local storage resources changed, described destination end sent LUN attribute information after changing to the originating end that is in line states.
Further, before changing, the LUN attribute information that described destination end detects local storage resources also comprises:
Obtain described originating end and whether support the mode of described destination end asynchronous notifications;
If described originating end support, then described destination end is with the condition of following arbitrary trigger condition as the LUN attribute information of the local storage resources of detection trigger; Otherwise described destination end is with the condition of following condition one as the LUN attribute information of the local storage resources of detection trigger; Wherein:
Condition one: receive described originating end and inquire about the request whether the LUN attribute information of local storage resources changes;
Condition two: the timer that this locality sets in advance then.
Further, the LUN attribute information of described storage resources changes and comprises following at least a mode: increase new LUN, delete already present LUN, expand the logical volume of already present LUN attribute information correspondence and dwindle the logical volume of described already present LUN attribute information correspondence.
Further, the LUN attribute information of described destination end after the originating end that is in line states sends variation comprises following arbitrary mode:
Mode one: the LUN attribute information that described destination end notifies described originating end to obtain storage resources again, receive the request of obtaining the LUN attribute information that described originating end is initiated, described request is carried the required attribute information of described originating end, the attribute information required according to originating end described in the described request, the LUN attribute information after described originating end sends variation;
Mode two: described destination end is the LUN attribute information after described originating end sends variation directly.
A kind of management devices of storage resource configuration information comprises:
Whether detection module is used for changing when the LUN attribute information that detects local storage resources;
Sending module, be used for described detection module detect change after, the LUN attribute information after the originating end that is in line states send to change.
Further, described device also comprises:
Acquisition module is used to obtain the mode whether described originating end supports described destination end asynchronous notifications;
Select module, link to each other with described detection module, be used for when described originating end is supported, with the condition of following arbitrary trigger condition as the LUN attribute information of the local storage resources of detection trigger with described acquisition module; Perhaps, do not support at described originating end to be, with the condition of following condition one as the LUN attribute information of the local storage resources of detection trigger; Wherein:
Condition one: receive described originating end and inquire about the request whether the LUN attribute information of local storage resources changes;
Condition two: the timer that this locality sets in advance then.
Further, the LUN attribute information of described storage resources changes and comprises following at least a mode: increase new LUN, delete already present LUN, expand the logical volume of already present LUN attribute information correspondence and dwindle the logical volume of described already present LUN attribute information correspondence.
Further, described sending module comprises:
Notification unit is used to the LUN attribute information of notifying described originating end to obtain storage resources again;
Receiving element links to each other with described notification unit, is used to receive the request of obtaining the LUN attribute information that described originating end is initiated, and described request is carried the required attribute information of described originating end;
Transmitting element links to each other with described receiving element, is used for the attribute information required according to originating end described in the described request, the LUN attribute information after described originating end sends variation.
Technical scheme provided by the invention, after LUN attribute information that destination end detects local storage resources changes, the LUN attribute information of described destination end after the originating end that is in line states sends variation, under the prerequisite of the access service that need not to interrupt originating end, finished renewal, realize professional continuity, improved the service quality of storage system.
Description of drawings
Fig. 1 is the schematic flow sheet of the management method embodiment of storage resource configuration information provided by the invention;
Fig. 2 is the schematic flow sheet of the management method application example of storage resource configuration information provided by the invention;
Fig. 3 is the schematic flow sheet of the management devices embodiment of storage resource configuration information provided by the invention;
Fig. 4 another structural representation for installing among the device embodiment shown in Figure 3;
Fig. 5 is the structural representation of sending module 301 among the device embodiment shown in Figure 3.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 1 is the schematic flow sheet of the management method embodiment of storage resource configuration information provided by the invention.Method embodiment shown in Figure 1 comprises:
Whether the LUN attribute information that step 101, destination end detect local storage resources changes;
In this step, change if detect, then execution in step 102; Otherwise still execution in step 101.
Step 102, the LUN attribute information of described destination end after the originating end that is in line states sends variation, flow process finishes.
Method embodiment provided by the invention, after LUN attribute information that destination end detects local storage resources changes, the LUN attribute information of described destination end after the originating end that is in line states sends variation, under the prerequisite of the access service that need not to interrupt originating end, finished renewal, realize professional continuity, improved the service quality of storage system.
Below method embodiment provided by the invention is described further:
Fig. 2 is the schematic flow sheet of the management method application example of storage resource configuration information provided by the invention.Method application example shown in Figure 2 comprises:
Wherein destination end is disk array independently or storage cluster, is used to store data and the data of storage are managed.
In this step, if the LUN attribute information of storage resources does not change, then judged result is consistent, execution in step 201; Otherwise judged result is inconsistent, execution in step 203.
Wherein the LUN attribute information of storage resources changes and comprises following at least a mode: increase new LUN, delete already present LUN, expand the logical volume of already present LUN attribute information correspondence and dwindle the logical volume of described already present LUN attribute information correspondence.
Wherein the triggering of Jian Ceing has following two kinds of situations:
Described destination end is obtained the mode whether described originating end supports described destination end asynchronous notifications;
If described originating end support, then described destination end is with the condition of following arbitrary trigger condition as the LUN attribute information of the local storage resources of detection trigger; Otherwise described destination end is with the condition of following condition one as the LUN attribute information of the local storage resources of detection trigger; Wherein:
Condition one: receive described originating end and inquire about the request whether the LUN attribute information of local storage resources changes; Wherein to send this query requests can be at random to originating end, also can be to initiate according to the time strategy that sets in advance, for example, Fixed Time Interval etc.
Condition two: the timer that this locality sets in advance then.Wherein can be that timer length then can be provided with according to actual needs.
Wherein originating end is concrete application server, is used to data computing that hardware supports is provided.
This originating end is for using this equipment that LUN of attribute renewal takes place, and for example, if increased new LUN, then notice is used the attribute information of this LUN of originating end of this LUN, so that in time make the user use this LUN; If deleted this LUN, then notice is used this LUN deletion of originating end of this LUN, so that make the user stop management to the LUN of this deletion; If the amount of capacity of this LUN changes, then notice is used the amount of capacity of current this LUN of originating end of this LUN.
In this step, destination end can be notified this information by following dual mode, comprising:
Mode one: originating end initiates to obtain the information of LUN attribute to destination end every the time interval that sets in advance, after destination end receives this request, if judge changing of LUN attribute, then send the LUN attribute information after upgrading, otherwise, destination end can not send any information to originating end, can send to this originating end yet and need not updated information.
Mode two: the timer that this locality sets in advance then.
Further, the LUN attribute information of described destination end after the originating end that is in line states sends variation comprises following arbitrary mode:
Mode one: the LUN attribute information that described destination end notifies described originating end to obtain storage resources again, receive the request of obtaining the LUN attribute information that described originating end is initiated, described request is carried the required attribute information of described originating end, the attribute information required according to originating end described in the described request, the LUN attribute information after described originating end sends variation;
Mode two: described destination end is the LUN attribute information after described originating end sends variation directly.
For mode two, behind the LUN attribute after originating end obtains upgrading, should adopt synchronous communication mode to send the information that successfully receives to destination end.Reliability with the guarantee information transmission.
In actual applications, destination end need be obtained the mode whether originating end supports the destination end asynchronous communication, if originating end is supported the mode of receiving target end asynchronous notifications, then can adopt mode one or two to communicate, wherein optimal way two, if originating end is not supported the mode of destination end asynchronous notifications, then can only communicate by selection mode one.
In this step, the flow process of obtaining the LUN attribute information at the beginning of the flow process that this originating end is initiated and the establishment session is similar, repeats no more herein.
For this step, need to prove that if step 203 adopts the method for synchronization to send notice to originating end, then originating end need initiate to reply to destination end, informed that this announcement information has sent success before initiating to obtain the flow process of LUN attribute information; If step 203 adopts asynchronous system to send notice to originating end, then originating end need not initiate to reply to destination end, can directly initiate to obtain the flow process of LUN attribute information, and flow process is simpler, and compatible mutually with application of the prior art.
Wherein should can specifically be applied to the IP-SAN system with the method flow that example provides.
Should use in the example, after the destination end storage resources changes, the proactive notification originating end, here there is not passive detection, but storage resource management system is provided the interface of asynchronous notifications, iscsi target end software can provide the interface relevant with practical application to storage resource management system, such as increasing new LUN, LUN being carried out the capacity adjustment, deletes new LUN etc.For different application, also different to the command format that originating end sends, increase, deletion LUN need require the lun tabulation after originating end obtains renewal, if increase LUN, also need originating end to obtain the specific object of the LUN of increase, as manufacturer, size, sector-size or the like.Only need originating end to obtain the base attribute, particularly capacity attribute of LUN and enlarge or dwindle capacity.
Method application example provided by the invention, after LUN attribute information that destination end detects local storage resources changes, the LUN attribute information of described destination end after the originating end that is in line states sends variation, under the prerequisite of the access service that need not to interrupt originating end, finished renewal, realize professional continuity, improved the service quality of storage system; Send notice by asynchronous system to originating end, then originating end need not initiate to reply to destination end, can directly initiate to obtain the flow process of LUN attribute information, and flow process is simpler, and compatible mutually with application of the prior art.
Fig. 3 is the structural representation of the management devices embodiment of a kind of storage resource configuration information provided by the invention.In conjunction with the method shown in Fig. 1 and 2, device embodiment shown in Figure 3 comprises:
Whether detection module 301 is used for changing when the LUN attribute information that detects local storage resources;
Sending module 302, be used for described detection module detect change after, the LUN attribute information after the originating end that is in line states send to change.
Fig. 4 is another structural representation of device embodiment shown in Figure 3.Device shown in Figure 4 also comprises:
Condition one: receive described originating end and inquire about the request whether the LUN attribute information of local storage resources changes;
Condition two: the timer that this locality sets in advance then.
Wherein, the LUN attribute information of described storage resources changes and comprises following at least a mode: increase new LUN, delete already present LUN, expand the logical volume of already present LUN attribute information correspondence and dwindle the logical volume of described already present LUN attribute information correspondence.
Fig. 5 is the structural representation of sending module 301 in the device shown in Figure 3.Sending module 301 shown in Figure 5 comprises:
Notification unit 501 is used to the LUN attribute information of notifying described originating end to obtain storage resources again;
Receiving element 502 links to each other with described notification unit 501, is used to receive the request of obtaining the LUN attribute information that described originating end is initiated, and described request is carried the required attribute information of described originating end;
Transmitting element 503 links to each other with described receiving element 502, is used for the attribute information required according to originating end described in the described request, the LUN attribute information after described originating end sends variation.
System embodiment provided by the invention, after LUN attribute information that destination end detects local storage resources changes, the LUN attribute information of described destination end after the originating end that is in line states sends variation, under the prerequisite of the access service that need not to interrupt originating end, finished renewal, realize professional continuity, improved the service quality of storage system; Send notice by asynchronous system to originating end, then originating end need not initiate to reply to destination end, can directly initiate to obtain the flow process of LUN attribute information, and flow process is simpler, and compatible mutually with application of the prior art.
The all or part of step that the one of ordinary skill in the art will appreciate that the foregoing description program circuit that can use a computer is realized, described computer program can be stored in the computer-readable recording medium, described computer program (as system, unit, device etc.) on the relevant hardware platform is carried out, when carrying out, comprise one of step or its combination of method embodiment.
Alternatively, all or part of step of the foregoing description also can use integrated circuit to realize, these steps can be made into integrated circuit modules one by one respectively, perhaps a plurality of modules in them or step is made into the single integrated circuit module and realizes.Like this, the present invention is not restricted to any specific hardware and software combination.
Each device/functional module/functional unit in the foregoing description can adopt the general calculation device to realize, they can concentrate on the single calculation element, also can be distributed on the network that a plurality of calculation element forms.
Each device/functional module/functional unit in the foregoing description is realized with the form of software function module and during as independently production marketing or use, can be stored in the computer read/write memory medium.The above-mentioned computer read/write memory medium of mentioning can be a read-only memory, disk or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the described protection range of claim.
Claims (8)
1. the management method of a storage resource configuration information is characterized in that, comprising:
After LUN attribute information that destination end detects local storage resources changed, described destination end sent LUN attribute information after changing to the originating end that is in line states.
2. method according to claim 1 is characterized in that, also comprises before the LUN attribute information that described destination end detects local storage resources changes:
Obtain described originating end and whether support the mode of described destination end asynchronous notifications;
If described originating end support, then described destination end is with the condition of following arbitrary trigger condition as the LUN attribute information of the local storage resources of detection trigger; Otherwise described destination end is with the condition of following condition one as the LUN attribute information of the local storage resources of detection trigger; Wherein:
Condition one: receive described originating end and inquire about the request whether the LUN attribute information of local storage resources changes;
Condition two: the timer that this locality sets in advance then.
3. method according to claim 1 and 2, it is characterized in that the LUN attribute information of described storage resources changes and comprises following at least a mode: increase new LUN, delete already present LUN, expand the logical volume of already present LUN attribute information correspondence and dwindle the logical volume of described already present LUN attribute information correspondence.
4. method according to claim 1 is characterized in that, the LUN attribute information of described destination end after the originating end that is in line states sends variation comprises following arbitrary mode:
Mode one: the LUN attribute information that described destination end notifies described originating end to obtain storage resources again, receive the request of obtaining the LUN attribute information that described originating end is initiated, described request is carried the required attribute information of described originating end, the attribute information required according to originating end described in the described request, the LUN attribute information after described originating end sends variation;
Mode two: described destination end is the LUN attribute information after described originating end sends variation directly.
5. the management devices of a storage resource configuration information is characterized in that, comprising:
Whether detection module is used for changing when the LUN attribute information that detects local storage resources;
Sending module, be used for described detection module detect change after, the LUN attribute information after the originating end that is in line states send to change.
6. device according to claim 5 is characterized in that, described device also comprises:
Acquisition module is used to obtain the mode whether described originating end supports described destination end asynchronous notifications;
Select module, link to each other with described detection module, be used for when described originating end is supported, with the condition of following arbitrary trigger condition as the LUN attribute information of the local storage resources of detection trigger with described acquisition module; Perhaps, do not support at described originating end to be, with the condition of following condition one as the LUN attribute information of the local storage resources of detection trigger; Wherein:
Condition one: receive described originating end and inquire about the request whether the LUN attribute information of local storage resources changes;
Condition two: the timer that this locality sets in advance then.
7. according to claim 5 or 6 described devices, it is characterized in that the LUN attribute information of described storage resources changes and comprises following at least a mode: increase new LUN, delete already present LUN, expand the logical volume of already present LUN attribute information correspondence and dwindle the logical volume of described already present LUN attribute information correspondence.
8. device according to claim 5 is characterized in that, described sending module comprises:
Notification unit is used to the LUN attribute information of notifying described originating end to obtain storage resources again;
Receiving element links to each other with described notification unit, is used to receive the request of obtaining the LUN attribute information that described originating end is initiated, and described request is carried the required attribute information of described originating end;
Transmitting element links to each other with described receiving element, is used for the attribute information required according to originating end described in the described request, the LUN attribute information after described originating end sends variation.
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| CN105743960A (en) * | 2015-07-20 | 2016-07-06 | 浪潮(北京)电子信息产业有限公司 | Session connection management method and device |
| WO2017054733A1 (en) * | 2015-09-30 | 2017-04-06 | 中兴通讯股份有限公司 | Processing method and device for storage hosting and switching |
| CN107078974A (en) * | 2014-12-19 | 2017-08-18 | 慧与发展有限责任合伙企业 | Multicast advertisement messages for network switches in a storage area network |
| CN107291395A (en) * | 2017-06-27 | 2017-10-24 | 郑州云海信息技术有限公司 | A kind of LUN on-line rapid estimations method and system |
| CN107465740A (en) * | 2017-08-02 | 2017-12-12 | 郑州云海信息技术有限公司 | A kind of LUN Mode Data means of communication and system |
| CN112000590A (en) * | 2020-08-21 | 2020-11-27 | 浪潮电子信息产业股份有限公司 | Method and device for deleting volume mapping and computer readable storage medium |
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