WO2016188373A1 - Procédé et appareil pour fusionner des architectures de stockage san et nas dans un système de stockage - Google Patents

Procédé et appareil pour fusionner des architectures de stockage san et nas dans un système de stockage Download PDF

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Publication number
WO2016188373A1
WO2016188373A1 PCT/CN2016/082806 CN2016082806W WO2016188373A1 WO 2016188373 A1 WO2016188373 A1 WO 2016188373A1 CN 2016082806 W CN2016082806 W CN 2016082806W WO 2016188373 A1 WO2016188373 A1 WO 2016188373A1
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Prior art keywords
logical address
data
address
physical
written
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PCT/CN2016/082806
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English (en)
Chinese (zh)
Inventor
张鹏
张国彬
叶茂
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华为技术有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F12/00—Accessing, addressing or allocating within memory systems or architectures
    • 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
    • G06F16/1827—Management specifically adapted to NAS
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
    • G06F3/0601—Interfaces specially adapted for storage systems
    • G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
    • G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]

Definitions

  • Embodiments of the present invention relate to a storage technology, and in particular, to a method and an apparatus for converging a SAN and a NAS storage architecture in a storage system.
  • NAS Network Attached Storage
  • SAN Storage Area Network
  • the storage system when the storage system receives a data write request sent by a network host connected by a physical connection manner of a NAS or a SAN (the write request includes data to be written and When the logical address corresponding to the data to be written is): the storage system first allocates a corresponding physical address for the logical address corresponding to the data to be written; and then determines whether the allocated physical address is previously assigned to another logical address, and if so, Then, the space corresponding to the physical address is released; finally, the data to be written is stored in the physical address corresponding to the logical address corresponding to the data to be written.
  • the embodiment of the invention provides a method and a device for converging a SAN and a NAS storage architecture in a storage system, which are used to solve the SAN storage architecture in the storage system existing in the prior art.
  • the present invention provides a method for converging a SAN and a NAS storage architecture in a storage system, the storage system being configured to provide a service to a network host, the method comprising:
  • the first data write request includes a first to-be-written data and a first logical address corresponding to the first to-be-written data
  • the method further includes:
  • the second data write request includes the second to-be-written data and the second logical address corresponding to the second to-be-written data;
  • the second to-be-written data is stored according to a physical address allocated for the second logical address.
  • the second to be written according to the physical address allocated for the second logical address Before the data is stored also includes:
  • the step of storing the second data to be written is performed according to the physical address assigned to the second logical address.
  • the present invention provides a method for converging a SAN and a NAS storage architecture in a storage system, the storage system being configured to provide a service to a network host, the method comprising:
  • the data write request is sent by a network host connected by a physical connection mode of the SAN, determining a physical address corresponding to the logical address according to the correspondence between the logical address and the physical address, and according to the logic a physical address corresponding to the address, and storing the data to be written;
  • the data write request is sent by a network host connected by using a physical connection mode of the NAS, assign a corresponding physical address to the logical address, and write the to-be-written according to the physical address assigned to the logical address. Into the data for storage.
  • the method before the storing the data to be written according to the physical address allocated for the logical address, the method further includes:
  • the present invention provides a device for converging a SAN and a NAS storage architecture in a storage system, the storage system is configured to provide a service to a network host, and the device is a storage system, and the device includes:
  • a SAN module configured to receive a first data write request sent by a network host connected by a physical connection manner of the SAN, where the first data write request includes the first data to be written and a first logical address corresponding to the first to-be-written data;
  • the copy-on-write COW module is configured to determine a physical address corresponding to the first logical address according to the correspondence between the first logical address and the physical address;
  • a writing module configured to store the first to-be-written data according to a physical address corresponding to the first logical address.
  • the device further includes:
  • a NAS module configured to receive a second data write request sent by a network host connected by a physical connection manner of the NAS; the second data write request includes a second to-be-written data and a second corresponding to the second to-be-written data Two logical addresses;
  • Redirecting a write ROW module configured to allocate a corresponding physical address to the second logical address
  • the writing module is further configured to store the second to-be-written data according to a physical address allocated for the second logical address.
  • the ROW module is further configured to:
  • the present invention provides an apparatus for converging a SAN and a NAS storage architecture, the storage system for providing a service to a network host, the apparatus comprising:
  • a receiving module configured to receive a data write request, where the data write request includes a data to be written and a logical address corresponding to the data to be written;
  • a processing module configured to determine whether the data write request is sent by a network host connected by a physical connection manner of the SAN or by a network host connected by using a physical connection manner of the NAS; if the data write request is by using a SAN
  • the physical address corresponding to the logical address is determined according to the correspondence between the logical address and the physical address, and corresponding to the logical address.
  • a physical address the data to be written is stored; if the data write request is sent by a network host connected by a physical connection mode of the NAS, the logical address is assigned a corresponding physical address, and The physical address assigned by the logical address stores the data to be written.
  • the processing module is further configured to:
  • the present invention provides an apparatus for converging a SAN and a NAS storage architecture in a storage system, where the storage system is configured to provide a service to a network host, and the apparatus includes:
  • a communication interface configured to receive a first data write request sent by a network host connected by a physical connection manner of the SAN; the first data write request includes a first to-be-written data and a first corresponding to the first to-be-written data a logical address;
  • a processor configured to determine, according to the correspondence between the first logical address and the physical address, a physical address corresponding to the first logical address, and according to the physical address corresponding to the first logical address, to the first The data to be written is stored.
  • the communication interface is further configured to:
  • the second data write request includes the second to-be-written data and the second logical address corresponding to the second to-be-written data;
  • the processor is further configured to:
  • the processor is further configured to:
  • the present invention provides an apparatus for converging a SAN and a NAS storage architecture in a storage system, where the storage system is configured to provide a service to a network host, and the apparatus includes:
  • the communication interface is connected to the network through a physical connection manner of the SAN and a physical connection manner of the NAS, and is configured to receive a data write request, where the data write request includes a to-be-written data and a logical address corresponding to the to-be-written data; And determining whether the data write request is sent by a network host connected by a physical connection manner of the SAN or by a network host connected by using a physical connection manner of the NAS; if the data write request is by using a SAN When the network host connected to the physical connection is sent, the physical address corresponding to the logical address is determined according to the correspondence between the logical address and the physical address, and the to-be-written is performed according to the physical address corresponding to the logical address.
  • the processor is further configured to:
  • the present invention provides a method and an apparatus for converging a SAN and a NAS storage architecture in a storage system, by determining a physical address corresponding to the first logical address according to a correspondence between the first logical address and a physical address;
  • the write request is mainly a SAN storage architecture for the data write request of the "overwrite write" mode.
  • Corresponding relationship between the address and the physical address determining a physical address corresponding to the first logical address; avoiding the first logic when receiving the first data write request The physical address corresponding to the address allocation, and the process of releasing the space corresponding to the physical address allocated for the first logical address; improving the storage efficiency of the SAN storage architecture.
  • FIG. 1 is a schematic diagram of an application scenario of a method for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • FIG. 2A is a schematic structural view 1 of a storage system of the present invention.
  • FIG. 2B is a second schematic structural diagram of a storage system according to the present invention.
  • Embodiment 3 is a flowchart of Embodiment 1 of a method for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • Embodiment 4 is a flowchart of Embodiment 2 of a method for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • Embodiment 3 is a flowchart of Embodiment 3 of a method for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • Embodiment 1 is a schematic structural diagram of Embodiment 1 of an apparatus for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • Embodiment 7 is a schematic structural diagram of Embodiment 2 of an apparatus for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • Embodiment 8 is a schematic structural diagram of Embodiment 3 of an apparatus for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • FIG. 9 is a schematic structural diagram of Embodiment 4 of an apparatus for converging a SAN and a NAS storage architecture in a storage system according to the present invention.
  • FIG. 1 is a schematic diagram of an application scenario of a method for converging a SAN and a NAS storage architecture in a storage system according to the present invention
  • a storage system and a network host 1 are connected by a physical connection manner of a NAS storage architecture
  • a storage system and a network Host 2 is connected by a physical connection of the SAN storage architecture.
  • the same storage system can implement a SAN storage architecture based on high-speed data transmission and a NAS storage architecture for file sharing between multiple hosts.
  • the network host 2 and the storage system can be interconnected through an Internet Protocol (IP) network or a Fibre Channel (FC) network, and based on the Internet Small Computer Interface (iSCSI, Internet SCSI). Protocol or FC protocol interaction; in the NAS architecture, the network host 1 and the storage system are connected by an IP network, and based on a Common Internet File System (CIFS) protocol or a Network File System (NFS) protocol. Interact.
  • IP Internet Protocol
  • FC Fibre Channel
  • iSCSI Internet Small Computer Interface
  • FC Internet SCSI
  • the processing method adopted by the storage system is: firstly The logical address corresponding to the data to be written is assigned a corresponding physical address; then, it is determined whether the allocated physical address is previously allocated to another logical address, and if so, the space corresponding to the physical address is released; The write data is stored in the physical address corresponding to the logical address corresponding to the data to be written. However, if the physical address corresponding to the logical address is first allocated, and then the space corresponding to the physical address is released, the processing method of storing the data to be written has a problem that the storage efficiency of the SAN storage architecture is low. .
  • FIG. 2A is a schematic structural diagram 1 of a storage system according to the present invention.
  • the storage system includes: an IP interface, a storage processor, and a serial SCSI. (SAS interface, Serial Attached SCSI) and hard disk.
  • the IP interface is connected to the network through the physical connection mode of the SAN and the physical connection mode of the NAS, and is used for receiving a data write request; the hard disk is used to store data; and the storage processor is configured to receive a data write request according to the IP interface through the SAS.
  • the interface writes data to the hard disk.
  • the storage system includes: an IP interface, an FC interface, a storage processor, a serial SCSI, and a hard disk.
  • the IP interface is connected to the network through the physical connection mode of the NAS, and is used for receiving a data write request.
  • the FC interface is used to connect to the network through a physical connection manner of the SAN, and is used for receiving a data write request; the hard disk is used for storing Data; the storage processor is configured to write data to the hard disk through the SAS interface according to the data write request received by the IP interface and the FC interface.
  • the hard disk in FIG. 2A and FIG. 2B is used as a storage unit for storing data; the hard disk in FIG. 2A and FIG. 2B may also be replaced with other storage devices; and the corresponding interface between the storage device and the storage processor is also A corresponding change should occur.
  • Embodiment 3 is a flowchart of Embodiment 1 of a method for merging a SAN and a NAS storage architecture in a storage system according to the present invention. As shown in FIG. 3, the method in this embodiment may include:
  • Step 301 The storage system receives a first data write request sent by a network host connected by a physical connection manner of the SAN, where the first data write request includes a first to-be-written data and a first corresponding to the first to-be-written data. a logical address;
  • Step 302 The storage system determines a physical address corresponding to the first logical address according to a correspondence between the first logical address and a physical address.
  • Step 303 The storage system stores the first to-be-written data according to a physical address corresponding to the first logical address.
  • the storing, by the physical address corresponding to the first logical address, the first to-be-written data may be: the physics corresponding to the processor in the storage system according to the first logical address.
  • the write data is stored; since the SAN storage architecture is usually used to store structured data (for example, a database), its data write request is mainly a data write request of "overwrite write" mode, so it is stored for SAN.
  • the architecture allocates a corresponding physical address to the logical address for each data write request, and the storage efficiency of the SAN storage architecture is low.
  • the first data write request sent by the network host connected by using the physical connection mode of the SAN includes the first data to be written and the first data to be written a first logical address; determining, according to a correspondence between the first logical address and the physical address, a physical address corresponding to the first logical address; and causing a SAN write request for a data write request that is mainly an "overwrite write" mode for a data write request
  • the storage system can determine the first logical address corresponding to the first logical address by directly corresponding to the first logical address and the physical address when the storage system receives the first data write request sent by the network host connected by the physical connection mode of the SAN.
  • the physical address processing is a data write request sent by a network host connected by a physical connection mode of the SAN (that is, the storage system adopts copy-on-write (COW); avoiding when receiving the first data write request
  • the first logical address is assigned a corresponding physical address, and the space corresponding to the physical address assigned to the first logical address is released Processing of the release; improving the storage efficiency of the SAN storage architecture.
  • the content corresponding to the logical address in the data write request of the "overwrite write" mode is continuously updated; therefore, the present invention is based on the logical address and the physical address.
  • the correspondence determines the physical address of the data to be stored, and improves the storage efficiency of the SAN storage architecture while ensuring proper storage of the data to be stored.
  • Embodiment 4 is a flowchart of Embodiment 2 of a method for merging a SAN and a NAS storage architecture in a storage system according to the present invention. As shown in FIG. 4, the embodiment may further include:
  • Step 401 The storage system receives a second data write request sent by a network host connected by a physical connection mode of the NAS, where the second data write request includes a second to-be-written data and the second to-be-written data. Second logical address;
  • step 401 there is no order between step 401 and step 301.
  • Step 402 The storage system allocates a corresponding physical location to the second logical address. site;
  • Step 403 The storage system determines whether a physical address allocated by the second logical address is allocated to another logical address.
  • step 404 If yes, go to step 404; otherwise, go to step 405;
  • Step 404 The storage system releases a space corresponding to a physical address allocated for the second logical address.
  • step 405 is performed.
  • Step 405 The storage system stores the second to-be-written data according to a physical address allocated for the second logical address.
  • the data write request of the NAS storage architecture is mainly a data write request of the “new write” mode; in this embodiment, the second data write request sent by the network host connected by using the physical connection mode of the NAS is received;
  • the second data write request includes a second logical address to be written and a second logical address corresponding to the second to-be-written data; and a physical connection using the NAS is processed by assigning a corresponding physical address to the second logical address.
  • the data write request sent by the connected network host that is, the storage system adopts ROW (Redirect-on-write); the NAS storage architecture that makes the data write request mainly for the "rewrite" mode data write request.
  • the storage system can allocate a corresponding physical address to the second logical address when receiving the second data write request sent by the network host connected by the physical connection mode of the NAS.
  • the application scenarios corresponding to the SAN and the NAS are implemented, and the corresponding processing method is adopted (that is, the COW processing method adopted for the SAN is adopted for the NAS. ROW is handled).
  • FIG. 5 is a flowchart of Embodiment 3 of a method for merging a SAN and a NAS storage architecture in a storage system according to the present invention. As shown in FIG. 5, the method in this embodiment may include:
  • Step 501 The storage system receives a data write request, where the data write request includes a to-be-written data and a logical address corresponding to the to-be-written data.
  • Step 502 The storage system determines whether the data write request is sent by a network host connected by a physical connection mode of the SAN or by a network host connected by a physical connection mode of the NAS;
  • Step 503 If the data write request is sent by a network host connected by using a physical connection mode of the SAN, the storage system determines the physics corresponding to the logical address according to the correspondence between the logical address and the physical address. Addressing, and storing the data to be written according to the physical address corresponding to the logical address; if the data write request is sent by a network host connected by a physical connection mode of the NAS, the storage system is The logical address allocates a corresponding physical address, and stores the to-be-written data according to a physical address allocated for the logical address.
  • the storing the data to be written according to the physical address allocated to the logical address may further include:
  • the data write request is sent by a network host connected by using a physical connection mode of the SAN, determining the physics corresponding to the logical address according to the correspondence between the logical address and the physical address. Addressing, and storing the data to be written according to the physical address corresponding to the logical address; if the data write request is sent by a network host connected by a physical connection mode of the NAS, the logical address is Allocating a corresponding physical address, and storing the data to be written according to a physical address allocated for the logical address; so that the type of the data write request is mainly The SAN storage architecture is overwritten.
  • the storage system When the storage system receives a data write request sent by a network host connected by a physical connection mode of the SAN, the storage system can directly determine the physical address corresponding to the logical address by the correspondence between the logical address and the physical address.
  • the way to handle the data write request sent by the network host connected by the physical connection mode of the SAN that is, the storage system adopts copy-on-write (COW); avoids the logical address when receiving the data write request.
  • COW copy-on-write
  • the present invention determines the physical address of the data to be stored according to the correspondence between the logical address and the physical address, and can improve the storage efficiency of the SAN storage architecture while ensuring proper storage of the data to be stored.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of a device for merging a SAN and a NAS storage architecture in a storage system according to the present invention.
  • the device in this embodiment may include: a SAN module 601, a COW module 602, and a write module 603.
  • the SAN module 601 is configured to receive a first data write request sent by a network host connected by using a physical connection manner of the SAN, where the first data write request includes the first data to be written and the first data to be written.
  • the COW module 602 is configured to determine a physical address corresponding to the first logical address according to a correspondence between the first logical address and a physical address; and a writing module 603, configured to The physical address corresponding to the first logical address stores the first to-be-written data.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 3, and the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 7 is a schematic structural diagram of Embodiment 2 of an apparatus for merging a SAN and a NAS storage architecture in a storage system according to the present invention; as shown in FIG. 7, the apparatus of this embodiment is further based on the apparatus structure shown in FIG. Including: NAS module 604 and ROW module 605.
  • the NAS module 604 is configured to receive a second data write request sent by a network host connected by using a physical connection manner of the NAS, where the second data write request includes second to-be-written data and the second to-be-written data.
  • the ROW module 605 is further configured to: determine whether a physical address allocated to the second logical address is allocated to another logical address; if yes, corresponding to a physical address allocated for the second logical address Space is released.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 4, and the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 8 is a schematic structural diagram of Embodiment 3 of a device for converging a SAN and a NAS storage architecture in a storage system according to the present invention.
  • the device in this embodiment may include: a receiving module 801 and a processing module 802.
  • the receiving module 801 is configured to receive a data write request, where the data write request includes a logical address corresponding to the data to be written and the data to be written, and the processing module 802 is configured to determine that the data write request is used.
  • the network host connected to the physical connection mode of the SAN is sent by the network host connected by the physical connection mode of the NAS; if the data write request is sent by the network host connected by the physical connection mode of the SAN, Corresponding relationship between the logical address and the physical address, determining a physical address corresponding to the logical address, and storing the data to be written according to the physical address corresponding to the logical address; if the data write request is When the network host connected by the physical connection mode of the NAS is sent, the logical address is assigned a corresponding physical address, and the data to be written is stored according to the physical address allocated for the logical address.
  • the processing module 802 is further configured to: determine whether a physical address allocated to the logical address is allocated to another logical address; if yes, release a space corresponding to the physical address allocated for the logical address.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 5, and the implementation principle and technical effects are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of Embodiment 4 of an apparatus for converging a SAN and a NAS storage architecture in a storage system according to the present invention.
  • the apparatus in this embodiment may include: a communication interface 901 and a processor 902.
  • the communication interface 901 is configured to receive a first data write request sent by a network host connected by a physical connection manner of the SAN; the first data write The request includes a first to-be-written data and a first logical address corresponding to the first to-be-written data; the processor 902, configured to determine, according to the correspondence between the first logical address and the physical address, the first a physical address corresponding to the logical address; storing the first to-be-written data according to the physical address corresponding to the first logical address.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 3, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the communication interface 901 is further configured to receive a second data write request sent by a network host connected by using a physical connection manner of the NAS; the second data write request includes a second to-be-written data and the second to-be-written request Write a second logical address corresponding to the data; the processor 902 is further configured to allocate a corresponding physical address to the second logical address; and to read the second to be written according to the physical address allocated for the second logical address Into the data for storage.
  • the processor 902 is further configured to: determine whether a physical address allocated to the second logical address is assigned to another logical address; if yes, corresponding to a physical address allocated for the second logical address Space is released.
  • the communication interface 901 can be the IP interface in FIG. 2A, and the processor 902 can be the storage processor in FIG. 2A; or the communication interface 901 can be the IP interface and the FC interface in FIG. 2B, and the processor 902 It can be the memory processor in Figure 2B.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 3 and FIG. 4, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • the structure of the apparatus of this embodiment is the same as that shown in FIG. 9, and also includes a communication interface and a processor.
  • the communication interface is connected to the network through a physical connection manner of the SAN and a physical connection manner of the NAS, and is configured to receive a data write request, where the data write request includes a to-be-written data and a logical address corresponding to the to-be-written data.
  • a processor configured to determine whether the data write request is sent by a network host connected by a physical connection manner of the SAN or by a network host connected by using a physical connection manner of the NAS; if the data write request is adopted by When the network host connected to the physical connection mode of the SAN is sent, the physical address corresponding to the logical address is determined according to the correspondence between the logical address and the physical address, and the physical address corresponding to the logical address is used. Wait Write data for storage; if the data write request is sent by a network host connected by a physical connection mode of the NAS, assign a corresponding physical address to the logical address, and according to the physical address allocated for the logical address And storing the data to be written.
  • the processor is further configured to: determine whether a physical address allocated to the logical address is allocated to another logical address; if yes, release a space corresponding to the physical address allocated for the logical address.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 5, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the aforementioned program can be stored in a computer readable storage medium.
  • the program when executed, performs the steps including the foregoing method embodiments; and the foregoing storage medium includes various media that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.

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Abstract

Selon un mode de réalisation, la présente invention concerne un procédé et un appareil pour fusionner des architectures de stockage SAN (réseau de stockage) et NAS (stockage en réseau) dans un système de stockage. Le procédé pour fusionner des architectures de stockage SAN et NAS dans un système de stockage consiste : à recevoir une première requête d'écriture de données envoyée par un hôte de réseau connecté au moyen d'une connexion physique SAN, la première requête d'écriture de données comprenant des premières données à écrire et une première adresse logique correspondant aux premières données à écrire ; à déterminer une adresse physique correspondant à la première adresse logique conformément à une relation de correspondance entre la première adresse logique et l'adresse physique ; et à stocker les premières données à écrire conformément à l'adresse physique correspondant à la première adresse logique. La présente invention résout le problème, dans l'état de la technique, de relativement faible efficacité de stockage de l'architecture de stockage SAN dans le système de stockage.
PCT/CN2016/082806 2015-05-25 2016-05-20 Procédé et appareil pour fusionner des architectures de stockage san et nas dans un système de stockage WO2016188373A1 (fr)

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CN201510270920.XA CN104994135B (zh) 2015-05-25 2015-05-25 存储系统中融合san及nas存储架构的方法及装置

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