CN107346343B - Method and device for sensing database storage - Google Patents
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- G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
- G06F16/21—Design, administration or maintenance of databases
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Abstract
The application discloses a method and a device for sensing database storage, wherein the method comprises the steps of obtaining disk information in a database file; traversing each disk in sequence; judging whether the disk is a virtual disk, if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type; if the virtual disk corresponds to a disk of a storage volume type, acquiring first wwn information of the disk; obtaining second wwn information for the storage volume through a storage interface of the storage array host; when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information. The method and the device for perceiving and acquiring the storage of the database can cooperate with the daily database maintenance work of a database administrator, improve the efficiency of acquiring the information used and stored by the database, and ensure that the database administrator can timely and accurately know the change of the stored information.
Description
Technical Field
The invention belongs to the technical field of databases, and particularly relates to a method and a device for sensing database storage.
Background
The database is a main mode of enterprise data storage, and with the development of the internet and the growth of enterprise business, the requirement on the storage capacity of the database is higher and higher, and the storage space provided by the database host cannot meet the needs of most businesses, so that the method of adding the storage capacity of the database by a plug-in storage device is more and more common, and a problem is brought to a database administrator (DBA): the database can be better tuned, troubleshoot and problem positioned only by knowing the storage used by the back end of the database.
At present, two persons are responsible for responsibilities of a database administrator and a storage administrator, and a virtualization technology is the way of doing so, so that a DBA does not know the actual storage position of own data. In the database maintenance and tuning stage, a database administrator needs to know which volume of which storage array and other storage information are allocated to the database by the storage administrator when the current database is expanded in the initial stage and the middle stage of deployment, and can better tune the database and more accurately locate problems by ensuring that the storage condition used by the current database is consistent with the early-stage allocation condition. The method for obtaining the storage information through the communication between the database administrator and the storage administrator is bound to greatly reduce the efficiency, and the timeliness for obtaining the changed storage information cannot be guaranteed, so that much inconvenience is brought to the daily work of the DBA.
Disclosure of Invention
In order to solve the problems, the invention provides a method and a device for sensing database storage, which can cooperate with the daily database maintenance work of a database administrator, improve the efficiency of obtaining the information used and stored by the database, and ensure that the database administrator can timely and accurately know the change of the stored information.
The invention provides a method for sensing database storage, which comprises the following steps:
acquiring disk information in a database file;
traversing each disk in sequence;
judging whether the disk is a virtual disk, if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type;
if the virtual disk corresponds to a disk of a storage volume type, acquiring first wwn information of the disk;
obtaining second wwn information for the storage volume through a storage interface of the storage array host;
when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
Preferably, in the method for storing a perception database, after determining whether the disk is a virtual disk, the method further includes:
if not, judging whether the disk is a disk of a storage volume type, and if so, acquiring first wwn information of the disk;
obtaining second wwn information for the storage volume through a storage interface of the storage array host;
when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
Preferably, in the method for sensing database storage, after determining whether the virtual disk corresponds to a disk of a storage volume type, the method further includes:
and if the virtual disk corresponds to a local common disk of the host, directly traversing the local common disk of the host.
Preferably, in the method for sensing database storage, after the obtaining of the second wwn information of the storage volume through the storage interface of the storage array host, the method further includes:
when information matching the first wwn information is not included in the second wwn information, then information is added with the storage volume having the first wwn information.
Preferably, in the method for sensing database storage, the acquiring the first wwn information of the disk includes:
configuring VMware Exsi host information;
acquiring the name of a virtual machine and the name of a disk on the Exsi host machine and wwn information through VMware sdk;
and obtaining the first wwn information according to the host name and the disk name of the Exsi host.
Preferably, in the method for sensing database storage, the acquiring, by a storage interface of a storage array host, second wwn information of a storage volume includes:
configuring an IP, a user name and a password of a storage array host;
acquiring storage array name, volume name and wwn information through a storage interface of the storage array host;
obtaining the second wwn information according to the storage array name, the volume name and the wwn information.
Preferably, in the method for sensing storage of a database, before acquiring the disk information in the database file, the method further includes:
configuring a database instance through database host names, port numbers, Oracle installation master directories, administrator user names and password database instance information;
and acquiring a database file.
The invention provides a device for sensing database storage, which comprises:
the first acquisition unit is used for acquiring the disk information in the database file;
the traversing unit is used for sequentially traversing each disk;
the judging unit is used for judging whether the disk is a virtual disk or not, and if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type or not;
a second obtaining unit, configured to obtain first wwn information of the disk if the virtual disk corresponds to a disk of a storage volume type;
a third obtaining unit, configured to obtain, through a storage interface of the storage array host, second wwn information of the storage volume;
a fourth obtaining unit, configured to, when the second wwn information includes information that matches the first wwn information, obtain a corresponding storage according to the storage volume corresponding to the first wwn information.
Preferably, in the apparatus for sensing database storage, the determining unit is further configured to determine whether the disk is a disk of a storage volume type after determining that the disk is not a virtual disk, and if so, obtain first wwn information of the disk; obtaining second wwn information for the storage volume through a storage interface of the storage array host; when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
Preferably, in the apparatus for sensing database storage, the second obtaining unit is further configured to directly traverse the host local common disk if the virtual disk corresponds to the host local common disk.
As can be seen from the above description, the method and apparatus for sensing and acquiring storage of a database according to the present invention includes acquiring disk information in a database file; traversing each disk in sequence; judging whether the disk is a virtual disk, if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type; if the virtual disk corresponds to a disk of a storage volume type, acquiring first wwn information of the disk; obtaining second wwn information for the storage volume through a storage interface of the storage array host; when the second wwn information includes information matched with the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information, so that the daily database maintenance work of a database administrator can be coordinated, the efficiency of acquiring the information stored by the database is improved, and the database administrator is ensured to know the change of the stored information timely and accurately.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of a first method for sensing database storage according to an embodiment of the present disclosure;
fig. 2 is a schematic diagram of a first sensing database storage apparatus provided in an embodiment of the present application;
FIG. 3 is a flow chart of a specific example of a method of sensing database storage.
Detailed Description
The core idea of the invention is to provide a method and a device for sensing database storage, which can cooperate with the daily database maintenance work of a database administrator, improve the efficiency of obtaining the information used and stored by the database, and ensure that the database administrator can timely and accurately know the change of the stored information.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 shows a first method for storing a perception database provided in an embodiment of the present application, where fig. 1 is a schematic diagram of the first method for storing the perception database provided in the embodiment of the present application, and the method includes the following steps:
s1: acquiring disk information in a database file;
s2: traversing each disk in sequence;
s3: judging whether the disk is a virtual disk, if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type;
s4: if the virtual disk corresponds to a disk of a storage volume type, acquiring first wwn information of the disk;
s5: obtaining second wwn information for the storage volume through a storage interface of the storage array host;
s6: when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
By the steps, the information of the three types of disks can be automatically acquired, and even if the disks are virtual disks, the corresponding actual storage positions can be obtained by comparing the wwn information.
As can be seen from the above description, the first method for sensing database storage provided in the embodiment of the present application includes acquiring disk information in a database file; traversing each disk in sequence; judging whether the disk is a virtual disk, if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type; if the virtual disk corresponds to a disk of a storage volume type, acquiring first wwn information of the disk; obtaining second wwn information for the storage volume through a storage interface of the storage array host; when the second wwn information includes information matched with the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information, so that the daily database maintenance work of a database administrator can be coordinated, the efficiency of acquiring the information stored by the database is improved, and the database administrator is ensured to know the change of the stored information timely and accurately.
The second method for storing the perception database provided by the embodiment of the application is based on the first method for storing the perception database, and further comprises the following technical characteristics:
after the step of judging whether the disk is a virtual disk, the method further includes:
if not, judging whether the disk is a disk of a storage volume type, and if so, acquiring first wwn information of the disk;
obtaining second wwn information for the storage volume through a storage interface of the storage array host;
when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
It should be noted that, in this embodiment, the storage information of the disk of the storage volume type can be effectively acquired by using this step for the manner of sensing the disk of the storage volume type.
The third method for storing the perception database provided by the embodiment of the application is based on the method for storing the first perception database, and further comprises the following technical characteristics:
after the determining whether the virtual disk corresponds to the disk of the storage volume type, the method further includes:
and if the virtual disk corresponds to a local common disk of the host, directly traversing the local common disk of the host.
It should be noted that this situation is a situation of a virtual disk corresponding to a local general disk of a host, and in this situation, the local disk of the host is directly facilitated, which is more convenient and does not require more operations.
The fourth method for storing the perception database provided by the embodiment of the application is based on the method for storing the first perception database, and further comprises the following technical characteristics:
after obtaining the second wwn information of the storage volume through the storage interface of the storage array host, the method further includes:
when information matching the first wwn information is not included in the second wwn information, then information is added with the storage volume having the first wwn information.
That is, if the disk of the storage array volume type cannot find the same wwn volume in the currently configured storage according to the wwn information, a hint is given to indicate that there is another storage without added configuration in the current network, and addition is needed.
The fifth method for storing the perception database provided by the embodiment of the application is based on the first method for storing the perception database, and further comprises the following technical characteristics:
the acquiring the first wwn information of the disk comprises:
configuring VMware Exsi host information;
acquiring the name of a virtual machine and the name of a disk on the Exsi host machine and wwn information through VMware sdk;
and obtaining the first wwn information according to the host name and the disk name of the Exsi host.
A sixth method for storing a perception database provided in the embodiment of the present application is based on the first method for storing a perception database, and further includes the following technical features:
the obtaining second wwn information for the storage volume through the storage interface of the storage array host comprises:
configuring an IP, a user name and a password of a storage array host;
acquiring storage array name, volume name and wwn information through a storage interface of the storage array host;
obtaining the second wwn information according to the storage array name, the volume name and the wwn information.
A seventh method for storing a perception database provided in the embodiment of the present application is based on the method for storing the first perception database, and further includes the following technical features:
before the obtaining of the disk information in the database file, the method further includes:
configuring a database instance through database host names, port numbers, Oracle installation master directories, administrator user names and password database instance information;
and acquiring a database file.
The above steps are described as a specific example, and referring to fig. 3, fig. 3 is a flowchart of a specific example of a method for sensing database storage. Firstly, configuring a database example, connecting the database according to the database example, acquiring database file path information, acquiring corresponding disk identifier information from the path information, and determining which disk identifiers of a host are used by the database, namely which disk identifiers of the host exist in the database file. By using the operating system command to acquire all the disk information of the current database host, the types of the disks (a local common hard disk, a virtual disk and a plug-in storage volume disk of the host) can be acquired, if the virtual disk cannot determine whether the disk is the plug-in storage volume or the common hard disk, and if the virtual disk cannot determine whether the disk is the plug-in storage volume, wwn (World Wide Name unique Name) of the volume can be directly acquired. By configuring VMWareExsi host information, all virtual machine names on the Exsi host and all disk names and wwn information under the virtual machine are obtained using VMWare's sdk. By configuring the storage host information, the storage array name and all volume names and volume wwn information are obtained using the storage interface. And traversing each host disk used by the database in sequence, acquiring the disk type according to the host disk information, acquiring wwn information of the disk through the host name of the virtual machine and the disk name if the disk type is a virtual disk, judging whether the wwn disk is a stored volume according to the acquired information of the storage volume wwn, acquiring storage corresponding to the volume if the storage volume is the stored volume, and finishing acquiring storage corresponding to the database. And if the host disk used by the currently traversed database is not the virtual disk, judging whether the disk is a disk of a storage volume type, and if so, comparing and acquiring wwn storage corresponding to the same storage volume according to all acquired storage volume information. If the host disk used by the database with the current variable is not the disk with the storage volume type, the disk is the ordinary disk of the host, and the disk used by the next database is continuously traversed for judgment until all the host disks used by the databases are traversed. If the disk of the storage array volume type appears in the period, the same wwn volume can not be found under the current configured storage according to the wwn information, and prompt information is given to indicate that other storage without added configuration exists in the current network. And finally summarizing and displaying the obtained storage information used by all databases after the traversal process is finished.
To facilitate understanding of the above process, the following is exemplified: the database is assumed to use 3 disk symbols of a host to store database files, and the database files respectively correspond to a disk C, a disk D and a disk E, wherein the disk C is a local common disk of the database host, the disk D is a disk shared by other virtual machines to the database host, the disk is a disk in which a stored volume is mapped to the virtual machine, and the disk E is a disk of a plug-in storage volume; the corresponding process of automatically sensing the database storage comprises the following steps: and querying the current database from the database by the database instance to use the C disk, the D disk and the E disk. The disk information of the database host can be obtained through the operating system command as follows: the disk C is a normal disk, the disk D is a virtual disk, but it cannot be obtained whether the disk is a normal disk or a storage volume type disk, and the disk E is a storage volume type disk, and can obtain information of the storage volume wwn corresponding to the disk E. Through the configured VMWare Exsi host information, the sdk of the VMWare can be used for acquiring all virtual machines on the Exsi host and disk names and wwn information under the virtual machines, so that wwn information of the D disk can be acquired by comparing the virtual machine names and the disk names, and the D disk is judged to be a storage volume type disk. The method comprises the steps of obtaining names and wwn information of all storage volumes under a storage array by configuring information of a storage host, obtaining a corresponding storage array according to wwn information of a D disk and an E disk obtained previously, and giving prompt information if the corresponding storage array is not found, which indicates that other storage arrays exist in the current network and configuration storage information needs to be added.
Fig. 2 shows a first apparatus for storing a perception database provided in an embodiment of the present application, where fig. 2 is a schematic diagram of the first apparatus for storing a perception database provided in the embodiment of the present application, and the apparatus includes:
a first obtaining unit 201, configured to obtain disk information in a database file;
a traversing unit 202, configured to sequentially traverse each disk;
a determining unit 203, configured to determine whether the disk is a virtual disk, and if so, determine whether the disk corresponding to the virtual disk is a disk of a storage volume type;
a second obtaining unit 204, configured to obtain first wwn information of the disk if the virtual disk corresponds to a disk of a storage volume type;
a third obtaining unit 205, configured to obtain second wwn information of the storage volume through a storage interface of the storage array host;
a fourth obtaining unit 206, configured to, when the second wwn information includes information that matches the first wwn information, obtain a corresponding storage according to the storage volume corresponding to the first wwn information.
The second sensing database storage device provided in the embodiment of the present application is based on the first sensing database storage device, and further includes the following technical features:
the judging unit is further configured to judge whether the disk is a disk of a storage volume type after judging that the disk is not a virtual disk, and if so, obtain first wwn information of the disk; obtaining second wwn information for the storage volume through a storage interface of the storage array host; when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
The third apparatus for storing a perception database provided in the embodiment of the present application is based on the apparatus for storing the first perception database, and further includes the following technical features:
the second obtaining unit is further configured to directly traverse the host local common disk if the virtual disk corresponds to the host local common disk.
A specific example of the above device is as follows:
connecting a database to obtain a host disk used by the database through a database information configuration device; the names and types of all the disks of the current database host are obtained through a disk information obtaining device of the database host, and if the disks are of the storage volume type, the corresponding volume wwn information can also be obtained; acquiring all the disk information of the virtual machine under the currently configured VMWareExsi host through a disk information acquisition device of the virtual machine, wherein the disk type of the virtual machine can be acquired, and if the disk is of the storage volume type, wwn information of a corresponding storage volume can also be acquired; the storage volume information acquisition device can acquire the names of the storage volumes and corresponding wwn information under all currently configured storage arrays; through the database storage association display device, wwn information of the disks used by the database belonging to the storage volume type and directly or indirectly acquired by different devices can be compared with the storage volume information acquired by the storage volume information acquisition device, the storage array corresponding to the disk used by the database can be found, and the information can be displayed for a user. The devices in this embodiment can set a designated time interval and perform periodic polling to obtain updated information, so as to automatically sense the latest database storage information.
In summary, the method and the device can automatically sense and acquire the storage information used by the current database, and can find the storage information in time when the used storage information changes, so that the problems of low efficiency and untimely information in direct communication between the database administrator and the storage administrator at present are solved.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A method of sensing database storage, comprising:
acquiring disk information in a database file;
traversing each disk in sequence;
judging whether the disk is a virtual disk, if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type;
if the virtual disk corresponds to a disk of a storage volume type, acquiring first wwn information of the disk;
obtaining second wwn information for the storage volume through a storage interface of the storage array host;
when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
2. The method for sensing database storage according to claim 1, wherein after determining whether the disk is a virtual disk, the method further comprises:
if not, judging whether the disk is a disk of a storage volume type, and if so, acquiring first wwn information of the disk;
obtaining second wwn information for the storage volume through a storage interface of the storage array host;
when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
3. The method for sensing database storage according to claim 1, wherein after determining whether the virtual disk corresponds to a disk of a storage volume type, the method further comprises:
and if the virtual disk corresponds to a local common disk of the host, directly traversing the local common disk of the host.
4. The method of sensing database storage of claim 1, wherein after obtaining the second wwn information for the storage volume through the storage interface of the storage array host, further comprising:
when information matching the first wwn information is not included in the second wwn information, then information is added with the storage volume having the first wwn information.
5. The method of sensing database storage according to claim 1, wherein said obtaining first wwn information for the disk comprises:
configuring VMware Exsi host information;
acquiring the name of a virtual machine and the name of a disk on the Exsi host machine and wwn information through VMware sdk;
and obtaining the first wwn information according to the host name and the disk name of the Exsi host.
6. The method of sensing database storage according to claim 1, wherein said obtaining second wwn information for the storage volume through the storage interface of the storage array host comprises:
configuring an IP, a user name and a password of a storage array host;
acquiring storage array name, volume name and wwn information through a storage interface of the storage array host;
obtaining the second wwn information according to the storage array name, the volume name and the wwn information.
7. The method for sensing database storage according to claim 1, wherein before obtaining the disk information in the database file, the method further comprises:
configuring a database instance through database host names, port numbers, Oracle installation master directories, administrator user names and password database instance information;
and acquiring a database file.
8. An apparatus for perceptual database storage, comprising:
the first acquisition unit is used for acquiring the disk information in the database file;
the traversing unit is used for sequentially traversing each disk;
the judging unit is used for judging whether the disk is a virtual disk or not, and if so, judging whether the disk corresponding to the virtual disk is a disk of a storage volume type or not;
a second obtaining unit, configured to obtain first wwn information of the disk if the virtual disk corresponds to a disk of a storage volume type;
a third obtaining unit, configured to obtain, through a storage interface of the storage array host, second wwn information of the storage volume;
a fourth obtaining unit, configured to, when the second wwn information includes information that matches the first wwn information, obtain a corresponding storage according to the storage volume corresponding to the first wwn information.
9. The apparatus for sensing database storage according to claim 8, wherein the determining unit is further configured to determine whether the disk is a disk of a storage volume type after determining that the disk is not a virtual disk, and if so, obtain first wwn information of the disk; obtaining second wwn information for the storage volume through a storage interface of the storage array host; when the second wwn information includes information matching the first wwn information, the corresponding storage is acquired according to the storage volume corresponding to the first wwn information.
10. The apparatus for sensing database storage according to claim 8, wherein the second obtaining unit is further configured to directly traverse the host local normal disk if the virtual disk corresponds to the host local normal disk.
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| CN102405460A (en) * | 2009-02-11 | 2012-04-04 | 艾梵尼达有限公司 | Virtualized storage system and method of operating it |
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| US20020188697A1 (en) * | 2001-06-08 | 2002-12-12 | O'connor Michael A. | A method of allocating storage in a storage area network |
| US7757009B2 (en) * | 2004-07-19 | 2010-07-13 | Marvell International Ltd. | Storage controllers with dynamic WWN storage modules and methods for managing data and connections between a host and a storage device |
| US8037156B2 (en) * | 2008-09-08 | 2011-10-11 | International Business Machines Corporation | Host discovery in multi-blade server chassis |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102405460A (en) * | 2009-02-11 | 2012-04-04 | 艾梵尼达有限公司 | Virtualized storage system and method of operating it |
| CN105975210A (en) * | 2011-08-26 | 2016-09-28 | 威睿公司 | Data storage system and data storage control method |
| CN106843898A (en) * | 2017-02-09 | 2017-06-13 | 郑州云海信息技术有限公司 | Scsi disk information query method under a kind of Linux system |
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