CN105677703A - NAS file system, and access method and apparatus thereof - Google Patents
NAS file system, and access method and apparatus thereof Download PDFInfo
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- CN105677703A CN105677703A CN201510994073.1A CN201510994073A CN105677703A CN 105677703 A CN105677703 A CN 105677703A CN 201510994073 A CN201510994073 A CN 201510994073A CN 105677703 A CN105677703 A CN 105677703A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/13—File access structures, e.g. distributed indices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1824—Distributed file systems implemented using Network-attached Storage [NAS] architecture
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- Data Mining & Analysis (AREA)
- Databases & Information Systems (AREA)
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- General Engineering & Computer Science (AREA)
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Abstract
The present invention discloses an NAS file system, and an access method and apparatus thereof. The system comprises a plurality of NAS nodes, wherein each NAS node is provided with NAS service; and a disk array in communication connection with the plurality of NAS nodes, wherein the disk array comprises a plurality of disk volumes, each NAS node is mounted with a plurality of disk volumes, and each NAS node has a plurality of access paths when accessing each mounting disk volume. Each NAS node is mounted with the plurality of disk volumes, each disk volume has a plurality of access paths, file level access is provided for the disk array, expansibility of the NAS file system is improved, and code modification rate is reduced.
Description
Technical field
The present invention relates to computer realm, it particularly relates to a kind of NAS file system and access method thereof and device.
Background technology
Disk array is as a kind of storage system with high-performance, high reliability, and it can provide the network storage (SAN) pattern of block memory space, and is not provided that the service of file-level. The additional storage of cluster network (NAS) is then a kind of network attached storage providing file-level to service. Therefore, if disk array and cluster NAS combined, then the service of file-level can be provided for disk array, it is possible to the effective application market expanding disk array.
In order to disk array and cluster NAS are combined, following two scheme can be adopted at present, a kind of scheme is: the mode of the NAS service that disk array provides is in the direct operating system by NAS service arrangement on disk array controller, but, the general operating system in disk array controller is not opened to the outside world, so for not supporting the NAS dish battle array serviced, then cannot carry out software development in the operating system in controller, it is achieved poor expandability; Another kind of scheme is then, will provide for the distributed file system of NAS function to be directly deployed on disk array, the rear end that disk array is stored as file system data, but this mode is to module modified many and excessive in distributed file system, it may be achieved operability poor.
For the problems referred to above in correlation technique, effective solution is not yet proposed at present.
Summary of the invention
For the problems referred to above in correlation technique, the present invention proposes a kind of NAS file system and access method thereof and device, it is possible to provide file-level to access for disk array, and improves the autgmentability of NAS file system, and reduces code revision rate.
The technical scheme is that and be achieved in that:
According to an aspect of the invention, it is provided a kind of NAS file system.
This NAS file system includes:
Multiple NAS nodes, wherein, each NAS node is all deployed with NAS service;
Disk array, is connected with multiple NAS node communications, and wherein, disk array includes multiple disk volume, and each NAS node is all mounted with multiple disk volume, and, each NAS node is respectively provided with multiple access path when each disk volume of carry is conducted interviews.
Wherein, disk array includes multiple Physical Extents, and each Physical Extents includes multiple disk volume, a corresponding Physical Extents of NAS node.
Additionally, each NAS node all identifies all of disk volume in disk array.
According to a further aspect in the invention, the access method of a kind of NAS file system is additionally provided.
This access method includes:
Multiple access path of any one NAS node all lost efficacy in multiple NAS nodes, carry is modified to carry to any one NAS node not lost efficacy at the multiple disk volume of NAS node of this inefficacy;
The IP address of the NAS node of this inefficacy is drifted to this any one NAS node not lost efficacy.
Additionally, this access method farther includes:
When any one disk volume of carry is conducted interviews by NAS node, and when multiple access path of this disk volume are existed the access path of a fault by this NAS node, this disk volume is conducted interviews by NAS node by other access path.
Optionally, this access method farther includes:
NAS node belonging to each disk volume in real-time query disk array, makes a disk volume be subordinated to a NAS node.
In accordance with a further aspect of the present invention, the access device of a kind of NAS file system is additionally provided.
This access device includes:
Modified module, for multiple access path of any one NAS node all lost efficacy in multiple NAS nodes, is modified to carry to any one NAS node not lost efficacy by carry at the multiple disk volume of NAS node of this inefficacy;
Shift module, for drifting to this any one NAS node not lost efficacy by the IP address of the NAS node of this inefficacy.
Additionally, this access device farther includes:
Access modules, for when any one disk volume of carry is conducted interviews by NAS node, and when multiple access path of this disk volume are existed the access path of a fault by this NAS node, make NAS node by other access path, this disk volume be conducted interviews.
Optionally, this access device farther includes:
Real-time query module, for the NAS node belonging to disk volume each in real-time query disk array, makes a disk volume be subordinated to a NAS node.
By the present invention in that each NAS multiple disk volume of node carry, and each disk volume is had multiple access path, be disk array and provide file-level access, improve again the autgmentability of NAS file system, and reduce code revision rate.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of NAS file system according to embodiments of the present invention;
Fig. 2 is the configuration flow figure of NAS file system according to embodiments of the present invention;
Fig. 3 is the flow chart of the access method of NAS file system according to embodiments of the present invention;
Fig. 4 is the block diagram accessing device of NAS file system according to embodiments of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain, broadly fall into the scope of protection of the invention.
According to embodiments of the invention, it is provided that a kind of NAS file system.
As it is shown in figure 1, NAS file system according to embodiments of the present invention includes:
Multiple NAS nodes (illustrate two NAS node: NAS1 and NAS2) here, and wherein, each NAS node is all deployed with NAS service;
Disk array (i.e. disk pool), communicate to connect with multiple NAS nodes (NAS1 and NAS2), wherein, disk array includes multiple disk volume (here for LUN (LUN)), each NAS node is all mounted with multiple disk volume, further, each NAS node is respectively provided with multiple access path when each disk volume of carry is conducted interviews.
Wherein, in one embodiment, disk array includes multiple Physical Extents, and each Physical Extents includes multiple disk volume, a corresponding Physical Extents of NAS node.
Additionally, in one embodiment, each NAS node all identifies all of disk volume in disk array.
Below in conjunction with Fig. 2 the NAS file system of the present invention made and being expanded on further.
Configure firstly the need of to NAS file system, file system as shown in Figure 1 can be formed, concrete figure it is seen that firstly the need of checking whether Ethernet connects for NAS node and disk pool, wherein, due in the present embodiment, NAS node and disk pool are by Internet connection, so checking whether Ethernet connects, and in other embodiments, can also be connected by optical fiber between NAS node and disk pool, then then check whether netting twine connects;
After determining that each NAS node and disk pool are all connected with, then each NAS node is connected to the ISCSItarget (the storage resource being positioned on iSCSI service device) of dish battle array (that is, disk array);
Then pass through the logical volume in dish battle array management IP login interface configuration disk pool and set up mapping;
Then " the reloading " in physical volume management is clicked, it is possible to display multipath device (i.e. each disk volume, LUN1 and the LUN2 in Fig. 1);
Then configure the affiliated node of multipath device, be configured to LUN1 here belong to NAS1 node, and LUN2 is configured to belong to NAS2 node;
Then multipath device is formatted, namely LUN1 and LUN2 is formatted;
Then, by the LUN1 carry after formatting to NAS1 node, by the LUN2 carry after formatting to NAS2 node;
Finally, derivation and the Outside Access IP of each NAS node are configured.
So far, the configuration to NAS file system is completed.
As can be seen from Figure 1, each NAS node is not also deployed with Parastor (a kind of parallel memory system) file system, but do not adopt Parastor file system, but the LUN that disk array is derived is done the formatting of local file system, after by LUN carry to corresponding NAS node, it is possible to upper layer application server is provided NAS service. wherein, whole NAS file system only uses the NAS management function in Parastor file system. each NAS node accesses the respective LUN that disk array is derived respectively, independent of one another between each LUN. and, each NAS node all includes storage managing server (MGR), meta data server (oPara), storage data server (OStor) and NAS service, upper layer application server passes through NFS (NFS) or the CIFS (agreement of a new proposition, it makes program can access the file on remote I nternet computer and require that this computer provides service) obtain NAS service from NAS node, and, each NAS node all configures double netcard and network switch connects, because, here include two controllers (i.e. two access path) and be also connected to the network switch, FC network is used between them.
So, whether NAS1 node or NAS2 node all can pass through two access path (two controllers) and carry out the access of LUN data for respective LUN;
In this example, the space of this disk array is divided into two Physical Extents, and each Physical Extents can comprise multiple LUN, under normal circumstances, each NAS node can both pass through all of LUN of multi-path software identification, but can only access the data of the LUN belonged in its Physical Extents. NAS node is to, after the formatting that the access of LUN data is that the block device by multipath is generated carries out local file system, deriving share directory to upper layer application server.
And as the browsing process of above-mentioned NAS file system, according to embodiments of the invention, additionally provide the access method of a kind of NAS file system.
As it is shown on figure 3, access method according to embodiments of the present invention includes:
Step S301, multiple access path of any one NAS node all lost efficacy in multiple NAS nodes, is modified to carry to any one NAS node not lost efficacy by carry at the multiple disk volume of NAS node of this inefficacy;
Step S303, drifts to this any one NAS node not lost efficacy by the IP address of the NAS node of this inefficacy.
Concrete, with reference to Fig. 1, (data of LUN1 namely all cannot be accessed from controller A and controller B) after the multipath of NAS1 node all loses efficacy, after this failure conditions is found by the monitoring process of CTDB, system then automatically by this multipath device LUN1 carry on another any one NAS node (being NAS2 node here), go forward side by side and be about to the IP of NAS1 node and drift to NAS2 node, simultaneously need to the script of amendment CTDB realizes; And after CTDB detects that the multipath of NAS1 node recovers, then NAS1 node recovers the data access to LUN1 again, adopts automatic switchback mode.
Additionally, in one embodiment, access method according to embodiments of the present invention farther includes:
When any one disk volume of carry is conducted interviews by NAS node, and when multiple access path of this disk volume are existed the access path of a fault by this NAS node (the such as NAS1 node access path fault from controller A to LUN1), then the access path of LUN1 is switched to controller B by NAS1 node by multi-path software automatically, LUN1 is conducted interviews, without amendment NAS file system.
Optionally, in one embodiment, it is to avoid the how main access to same multipath device, access method according to embodiments of the present invention farther includes:
It is modified the multipath monitoring script of CTDB, NAS node belonging to each disk volume in real-time query disk array, a disk volume is made to be subordinated to a NAS node, it is specifically as follows whether the multipath device regularly inquiring about this NAS node should be derived NAS access by this node, it is to avoid the how main access to same multipath device.
According to embodiments of the invention, additionally provide the access device of a kind of NAS file system.
As shown in Figure 4, access device according to embodiments of the present invention includes:
Modified module 41, for multiple access path of any one NAS node all lost efficacy in multiple NAS nodes, is modified to carry to any one NAS node not lost efficacy by carry at the multiple disk volume of NAS node of this inefficacy;
Shift module 42, for drifting to this any one NAS node not lost efficacy by the IP address of the NAS node of this inefficacy.
Additionally, in one embodiment, access device according to embodiments of the present invention farther includes:
Access modules (not shown), for when any one disk volume of carry is conducted interviews by NAS node, and when multiple access path of this disk volume are existed the access path of a fault by this NAS node, make NAS node by other access path, this disk volume be conducted interviews.
Optionally, in one embodiment, access device according to embodiments of the present invention farther includes:
Real-time query module (not shown), for the NAS node belonging to disk volume each in real-time query disk array, makes a disk volume be subordinated to a NAS node.
In sum, by means of the technique scheme of the present invention, by making each NAS multiple disk volume of node carry, and each disk volume is had multiple access path, it is disk array and provides file-level access, improve again the autgmentability of NAS file system, and reduce code revision rate.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (9)
1. a network attached storage NAS file system, it is characterised in that including:
Multiple NAS nodes, wherein, each NAS node is all deployed with NAS service;
Disk array, is connected with the plurality of NAS node communication, wherein, described disk array includes multiple disk volume, each NAS node is all mounted with multiple disk volume, and, each NAS node is respectively provided with multiple access path when each disk volume of carry is conducted interviews.
2. NAS file system according to claim 1, it is characterised in that described disk array includes multiple Physical Extents, and each Physical Extents includes multiple disk volume, a corresponding Physical Extents of NAS node.
3. NAS file system according to claim 1, it is characterised in that each NAS node all identifies all of disk volume in described disk array.
4. the access method for the NAS file system as described in claims 1 to 3 any one, it is characterised in that including:
The plurality of access path of any one NAS node all lost efficacy in the plurality of NAS node, carry is modified to carry to any one NAS node not lost efficacy at the multiple disk volume of NAS node of this inefficacy;
The IP address of the NAS node of this inefficacy is drifted to this any one NAS node not lost efficacy.
5. access method according to claim 4, it is characterised in that farther include:
When any one disk volume of carry is conducted interviews by NAS node, and when multiple access path of this disk volume are existed the access path of a fault by this NAS node, this disk volume is conducted interviews by NAS node by other access path.
6. access method according to claim 4, it is characterised in that farther include:
NAS node belonging to each disk volume in disk array described in real-time query, makes a disk volume be subordinated to a NAS node.
7. the access device for the NAS file system as described in claims 1 to 3 any one, it is characterised in that including:
Modified module, for the plurality of access path of any one NAS node all lost efficacy in the plurality of NAS node, is modified to carry to any one NAS node not lost efficacy by carry at the multiple disk volume of NAS node of this inefficacy;
Shift module, for drifting to this any one NAS node not lost efficacy by the IP address of the NAS node of this inefficacy.
8. access device according to claim 7, it is characterised in that farther include:
Access modules, for when any one disk volume of carry is conducted interviews by NAS node, and when multiple access path of this disk volume are existed the access path of a fault by this NAS node, make NAS node by other access path, this disk volume be conducted interviews.
9. access device according to claim 7, it is characterised in that farther include:
Real-time query module, NAS node belonging to each disk volume in disk array described in real-time query, make a disk volume be subordinated to a NAS node.
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| CN201510994073.1A CN105677703A (en) | 2015-12-25 | 2015-12-25 | NAS file system, and access method and apparatus thereof |
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| CN106484322A (en) * | 2016-09-12 | 2017-03-08 | 华为技术有限公司 | A kind of method of carry file system, device and equipment |
| CN106815298A (en) * | 2016-12-09 | 2017-06-09 | 中电科华云信息技术有限公司 | Distributed sharing file system based on block storage |
| CN107544746A (en) * | 2016-06-24 | 2018-01-05 | 杭州海康威视数字技术股份有限公司 | Isomery processing method, isomery processing unit and the system of storage device |
| CN107566182A (en) * | 2017-09-14 | 2018-01-09 | 郑州云海信息技术有限公司 | The adapting method and system of a kind of NFS |
| CN107741966A (en) * | 2017-09-30 | 2018-02-27 | 郑州云海信息技术有限公司 | A kind of node administration method and device |
| CN107888517A (en) * | 2016-09-30 | 2018-04-06 | 华为技术有限公司 | A kind of method and apparatus that domain is drawn for main frame |
| CN109587205A (en) * | 2017-09-29 | 2019-04-05 | 成都华为技术有限公司 | The creation hanging method and relevant device of share directory |
| CN110914796A (en) * | 2018-07-17 | 2020-03-24 | 华为技术有限公司 | Method and equipment for processing I/O (input/output) request |
| CN111444157A (en) * | 2019-01-16 | 2020-07-24 | 阿里巴巴集团控股有限公司 | Distributed file system and data access method |
| CN112000516A (en) * | 2020-08-12 | 2020-11-27 | 上海英方软件股份有限公司 | NAS quasi-real-time backup system and method |
| CN112083886A (en) * | 2020-09-09 | 2020-12-15 | 杭州海康威视系统技术有限公司 | Storage management method, system and device of NAS (network attached storage) equipment |
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| CN107544746A (en) * | 2016-06-24 | 2018-01-05 | 杭州海康威视数字技术股份有限公司 | Isomery processing method, isomery processing unit and the system of storage device |
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| CN106484322A (en) * | 2016-09-12 | 2017-03-08 | 华为技术有限公司 | A kind of method of carry file system, device and equipment |
| CN107888517B (en) * | 2016-09-30 | 2020-08-14 | 华为技术有限公司 | Method and equipment for domain planning of host |
| CN107888517A (en) * | 2016-09-30 | 2018-04-06 | 华为技术有限公司 | A kind of method and apparatus that domain is drawn for main frame |
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| CN107566182A (en) * | 2017-09-14 | 2018-01-09 | 郑州云海信息技术有限公司 | The adapting method and system of a kind of NFS |
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| CN109587205B (en) * | 2017-09-29 | 2021-07-16 | 成都华为技术有限公司 | Shared directory creation mounting method and related equipment |
| CN107741966A (en) * | 2017-09-30 | 2018-02-27 | 郑州云海信息技术有限公司 | A kind of node administration method and device |
| CN110914796A (en) * | 2018-07-17 | 2020-03-24 | 华为技术有限公司 | Method and equipment for processing I/O (input/output) request |
| CN110914796B (en) * | 2018-07-17 | 2021-11-19 | 华为技术有限公司 | Method and equipment for processing I/O (input/output) request |
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| CN111444157A (en) * | 2019-01-16 | 2020-07-24 | 阿里巴巴集团控股有限公司 | Distributed file system and data access method |
| CN111444157B (en) * | 2019-01-16 | 2023-06-20 | 阿里巴巴集团控股有限公司 | Distributed file system and data access method |
| CN112000516A (en) * | 2020-08-12 | 2020-11-27 | 上海英方软件股份有限公司 | NAS quasi-real-time backup system and method |
| CN112000516B (en) * | 2020-08-12 | 2023-03-24 | 上海英方软件股份有限公司 | NAS quasi-real-time backup system and method |
| CN112083886A (en) * | 2020-09-09 | 2020-12-15 | 杭州海康威视系统技术有限公司 | Storage management method, system and device of NAS (network attached storage) equipment |
| CN112083886B (en) * | 2020-09-09 | 2022-11-25 | 杭州海康威视系统技术有限公司 | Storage management method, system and device of NAS (network attached storage) equipment |
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Application publication date: 20160615 |