WO2007118371A1 - Procédé d'accès à un disque, et système et matrice de disques permettant d'étendre la capacité du disque - Google Patents
Procédé d'accès à un disque, et système et matrice de disques permettant d'étendre la capacité du disque Download PDFInfo
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- WO2007118371A1 WO2007118371A1 PCT/CN2006/002258 CN2006002258W WO2007118371A1 WO 2007118371 A1 WO2007118371 A1 WO 2007118371A1 CN 2006002258 W CN2006002258 W CN 2006002258W WO 2007118371 A1 WO2007118371 A1 WO 2007118371A1
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Classifications
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- 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
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0658—Controller construction arrangements
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/14—Handling requests for interconnection or transfer
- G06F13/16—Handling requests for interconnection or transfer for access to memory bus
-
- 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
- G06F15/00—Digital computers in general; Data processing equipment in general
- G06F15/16—Combinations of two or more digital computers each having at least an arithmetic unit, a program unit and a register, e.g. for a simultaneous processing of several programs
- G06F15/163—Interprocessor communication
- G06F15/167—Interprocessor communication using a common memory, e.g. mailbox
-
- 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
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0614—Improving the reliability of storage systems
- G06F3/0617—Improving the reliability of storage systems in relation to availability
-
- 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
- G06F3/0671—In-line storage system
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
Definitions
- the present invention relates to a network storage technology, and more particularly to a method for accessing a destination disk and a system for expanding disk capacity and a disk array.
- a storage area network is a high-speed dedicated subnet that connects servers and disk arrays through a switched network.
- the disk array is mainly used to store a large amount of data
- the server is mainly used for reading and writing the disk array to acquire and store data.
- each server can access any disk array through a switched network, greatly increasing data availability.
- FIG. 1 is a schematic diagram of the structure of an IP SAN system.
- the IP SAN system is a SAN system based on the IP-based Small Computer Interface (iSCSI) protocol and built on the Ethernet.
- the server is connected to the storage controller (SC) via Ethernet, and the storage controller is connected to the disk array via Ethernet.
- SC storage controller
- FIG. 2 is a schematic diagram of an IP SAN system implementing extended disk capacity in the prior art.
- the prior art cascades multiple slave disk arrays after each primary disk array.
- the primary disk array is connected to both the secondary disk array and the secondary disk arrays via a Serial Small Computer Interface (SAS).
- SAS Serial Small Computer Interface
- FIG. 3 is a schematic diagram showing the connection of a primary disk array to a secondary disk array in the prior art.
- the primary disk array includes an interface unit, a processing unit, a control unit, an expander, and a plurality of disks; each of the slave arrays includes an expander and Multiple disks.
- the primary disk array is connected to the slave disk array and between each slave disk array through its internal expander (SAS Expander).
- SAS Expander SAS Expander
- 4 is a flow chart of accessing a destination disk using the IP SAN system shown in FIG. 2 in the prior art. Referring to FIG. 2, FIG. 3 and FIG. 4, taking the access of the disk array 1 to the server as an example, the process of accessing a destination disk by using the existing IP SA system of the expandable disk capacity includes the following steps:
- Step 401 The server carries the command or data to be delivered in the iSCSI protocol package, encapsulates the iSCSI protocol packet, and sends the data to the storage controller (SC) through the Ethernet.
- SC storage controller
- Step 402 The storage controller decapsulates the received iSCSI protocol packet, obtains a command or data, and performs related service processing on the obtained command or data, such as a mirror or a snapshot.
- Step 403 The storage controller carries the acquired command or data in the iSCSI protocol package, encapsulates the iSCSI protocol packet, and sends the data to the primary disk array through the Ethernet.
- the server may be directly connected to the primary disk array through the Ethernet, so that in the process shown in FIG. 4 above, the steps are as follows.
- the process from 401 to step 403 is as follows: The server carries the command or data to be delivered in the iSCSI protocol package, encapsulates the iSCSI protocol packet, and sends it to the primary disk array through the Ethernet.
- Step 404 The interface unit inside the primary disk array receives the iSCSI protocol packet, and sends the iSCSI protocol packet to the processing unit.
- Step 405 The processing unit inside the primary disk array performs decapsulation and protocol parsing on the received iSCSI protocol packet, acquires the command or data, and sends the obtained command or data to the control unit.
- control unit described here and below may be an input/output processor (IOP) or a serial small computer interface controller (SAS/SATA Controller).
- IOP input/output processor
- SAS/SATA Controller serial small computer interface controller
- Step 406 The control unit sends the command or data to the expander.
- control unit is a core unit that controls the implementation of the disk access process, and each of the expanders establishes a physical connection channel with the disks in each disk array to read the disk. Write, maintain. In this step, the control unit performs the transmission process using the established underlying physical connection.
- Step 407 The expander in the primary disk array searches for the port corresponding to the destination disk address in the routing table saved by itself according to the destination disk address in the received command or data, and uses the found port to receive the received port.
- the command or data is sent to the expander from disk array 1 at a later stage.
- Step 408 Search for the port corresponding to the address of the destination disk in the routing table saved by the expander in the disk array 1 according to the received command or the address of the destination disk in the data, and use the found port to The command or data is sent to a disk directly connected to itself, such as disk 1.
- Step 409 Perform the corresponding data processing, such as reading and writing data or performing data scanning, from the disk 1 in the disk array 1 according to the obtained command or data.
- only the primary disk array includes a control unit that can control access to each disk, that is, the control unit inside the primary disk array must handle all Disk access command processing or data read and write. In this way, when one or more servers simultaneously perform a large number of disk accesses, the control unit inside the primary disk array tends to have processing delays due to excessive traffic load, or even a series of problems such as service interruption or failure. Ensure the normal operation of the business.
- a routing table is saved in any of the expanders for recording all disks.
- the correspondence between the address and the port, and the expander completes the command or data forwarding by looking up the routing table.
- the number of entries that can be recorded in the routing table is limited. Therefore, the primary disk array can only cascade up to 64 slave disk arrays, and cannot continue to cascade more slave disk arrays, thereby greatly Limits the expansion of disk capacity.
- the main object of the present invention is to provide a method for accessing a destination disk and a system for expanding disk capacity
- another object of the present invention is to provide a primary disk array and a secondary disk array to reduce the primary disk array.
- the business load of the internal control unit ensures the normal operation of the business.
- the PCIe switching unit and the control unit connect different disk arrays through their internal PCIe switching units.
- the method further includes:
- the processing unit in the primary disk array After obtaining the command or data, the processing unit in the primary disk array sends the acquired command or data to the PCIe switching unit in the primary disk array.
- the PCIe switching unit in the primary disk array sends the command or data to the control unit in the corresponding disk array according to the address information of the destination disk in the received command or data;
- the control unit in the corresponding disk array sends the received command or data to the destination disk directly connected thereto.
- the method further includes: mapping, in any one of the disk arrays, an address of all the disks in the disk array into an address space, where the address space is saved on the first port of the disk array in which the PCIe switching unit is connected to the control unit And mapping the address of the disk in all subsequent disk arrays to another address space in which the PCIe switching unit stores the other address space on the second port connected to the subsequent PCIe switching unit Information
- the step B includes: Bl, the PCIe switching unit in the primary disk array sends the received command or data to its first port and the second port;
- the first port and the second port of the PCIe switching unit in the primary disk array respectively determine whether the address of the destination disk in the received command or data is within the address space saved by itself, and if yes, send the device through itself.
- the received command or data is up to the corresponding control unit in the disk array. Otherwise, the received command or data is not forwarded.
- a system for expanding disk capacity comprising at least one server, Ethernet, at least one primary disk array and its cascaded secondary disk array, the server for carrying commands or data in an iSCSI protocol package and performing the iSCSI protocol package After being encapsulated, it is sent to the interface unit in the primary disk array through the Ethernet.
- the primary disk array further includes a processing unit, a PCIe switching unit, a control unit, and at least one disk, and in the primary disk array, the PCIe switching unit and the processing unit respectively
- the control unit is directly connected, and the control unit is directly connected to any one of the disks;
- the slave disk array includes a PCIe switching unit, a control unit and at least one disk, and in the slave disk array, the control unit is directly connected to the PCIe switching unit and any one of the disks respectively
- Each disk array is directly connected through an internal PCIe switching unit, and
- a processing unit in the primary disk array configured to send the command or data to the PCIe switching unit in the primary disk array after acquiring the command or data;
- a PCIe switching unit in any one of the disk arrays configured to send the command or data to a first port directly connected to the control unit and a second directly connected to the PCIe switching unit of the subsequent stage when receiving the command or data a port, sending, by the processing of the first port and the second port, the received command or data to a control unit in the corresponding disk array;
- the control unit in any one of the disk arrays is configured to send the received command or data to the destination disk directly connected thereto according to the address information of the destination disk in the command or data when receiving the command or data.
- the first port of the PCIe switching unit in any one of the disk arrays is used to store an address mapping address space of all the disks in the disk array where the first port is located.
- Information and when receiving the command or data, determining whether the address of the destination disk in the command or data is within the range of the address space held by itself, after determining that the address of the destination disk is within the range of the address space saved by itself Sending the received command or data to the directly connected control unit in the disk array where it is located;
- the second port of the PCIe switching unit in any one of the disk arrays is configured to store address space information of address mappings of all disks in each disk array in the subsequent stage, and determine the destination disk in the command or data when receiving the command or data. Whether the address is within the range of the address space saved by itself, after determining that the address of the destination disk is within the range of the address space saved by itself, the received command or data is sent to the directly connected, later-level disk array. PCIe switching unit.
- the PCIe switching unit is a PCIe switching chip with a PCIe interface and a switching network or an ASI device conforming to the ASI architecture.
- control unit is an input/output processor IOP or a serial small computer interface controller SAS/SATA Controller
- the system may further include: at least one storage controller, and any one of the servers is first connected to a storage controller through an Ethernet, and the storage controller is connected to the primary disk array through an Ethernet.
- a primary disk array includes: an interface unit, a processing unit, a PCIe switching unit, a control unit, and at least one disk, wherein the PCIe switching unit is directly connected to the processing unit and the control unit, and the control unit and any one The disks are directly connected, and,
- a processing unit configured to send the command or data to the PCIe switching unit after acquiring the command or the data
- a PCIe switching unit configured to send the received command or data to a first port directly connected to the control unit and a second port directly connected to the subsequent PCIe switching unit, through the first port and the second port Processing the received command or data;
- control unit configured to receive a command or data according to the command or data
- the address information of the disk, and the received command or data is sent to the destination disk directly connected to it.
- the first port of the PCIe switching unit is configured to save address space information of address mapping of all disks in the primary disk array, and when receiving the command or data, determine whether the address of the destination disk in the command or data is Within the range of the address space held by itself, after determining that the address of the destination disk is within the range of the address space held by itself, the received command or data is sent to the control unit in the primary disk array.
- the second port of the PCIe switching unit is configured to store address space information mapped by addresses of all disks in the disk array in the subsequent stage, and when receiving the command or data, determine the address of the destination disk in the command or data. Whether within the range of the address space saved by itself, after determining that the address of the destination disk is within the range of the address space held by itself, the received command or data is sent to the PCIe directly connected to the external slave disk array. Exchange unit.
- the PCIe switching unit is a PCIe switching chip with a PCIe interface and a switching network or an ASI device conforming to the ASI architecture.
- control unit is an input/output processor IOP or a serial small computer interface controller SAS/SATA Controllers
- a slave disk array includes: a PCIe switching unit, a control unit, and at least one disk, wherein the PCIe switching unit is directly connected to the control unit, and the control unit is directly connected to any one of the disks, and
- a PCIe switching unit configured to send the received command or data to a first port directly connected to the control unit and a second port directly connected to the subsequent PCIe switching unit, through the first port and the second port Processing the received command or data;
- the control unit is configured to, when receiving the command or the data, send the received command or data to the destination disk directly connected thereto according to the address information of the target disk in the command or the data.
- the first port of the PCIe switching unit is configured to save the slave disk array Address space information of all disk addresses mapped, and when receiving a command or data, determine whether the address of the destination disk in the command or data is within the range of the address space saved by itself, and determine the address of the destination disk in itself After the range of the saved address space, the received command or data is sent to the control unit in the slave disk array.
- the second port of the PCIe switching unit is configured to store address space information mapped by other addresses of all disks in the disk array in the latter stage, and determine the address of the destination disk in the command or data when receiving the command or data. Whether within the range of the address space saved by itself, after determining that the address of the destination disk is within the range of the address space held by itself, the received command or data is sent to the PCIe directly connected to the external slave disk array. Exchange unit.
- the PCIe switching unit is a PCIe switching chip with a PCIe interface and a switching network or an ASI device conforming to the ASI architecture.
- control unit is an input/output processor IOP or a serial small computer interface controller SAS/SATA Controlle
- a disk array comprising: an expandable switching unit coupled to a processing module and a control unit coupled to the switching unit.
- the expandable switching unit is PCIe Switc
- the present invention has the following advantages:
- each includes a control unit that can perform access control on each disk, and when accessing the disks in any one of the disk arrays, the disk is located
- the control unit in the disk array is responsible for processing the access commands or reading and writing data. In this way, when one or more servers simultaneously perform a large number of disk accesses, the processing of the access command or the data reading and writing can be performed by different control units, instead of the prior art control unit. In order to avoid the excessive load of the control unit in the prior art, a series of problems such as processing delay or even service interruption or failure are avoided, thereby ensuring the normal operation of the service.
- each primary disk array and its subsequent slave disk arrays include a control unit that can perform access control on each disk, any one disk array When the control unit in the column fails, it does not affect the server's access to other disk arrays, thus further ensuring the normal operation of the service.
- the present invention can utilize a PCIe switch chip to implement command or data forwarding, whereas the prior art utilizes an expander (Expander) to implement command or data forwarding, and the price of the PCIe switch chip is lower than that of the expander (Expander). Therefore, the cost of the system is reduced.
- Expander expander
- FIG. 1 is a schematic structural diagram of an IP SAN system.
- FIG. 2 is a schematic diagram of an IP SAN system implementing extended disk capacity in the prior art.
- Figure 3 is a schematic diagram showing the connection of a primary disk array to a y disk array in the prior art.
- Figure 4 is a flow diagram of accessing a destination disk using the system of Figure 2 in the prior art.
- Fig. 5A is a schematic diagram showing the basic structure of a system for expanding a disk capacity in the present invention.
- Fig. 5B is a schematic diagram showing an optimized structure of a system for expanding a disk capacity in the present invention.
- Figure 6 is a main disk array and the same in the present invention. A schematic diagram of the array of disks.
- Figure 7 is a flow diagram of accessing a destination disk in an embodiment of the present invention.
- PCIe PCI Express
- PCIe PCI Express
- the PCIe protocol currently only needs to integrate multiple channels, and has multiple levels of service quality and information processing and congestion avoidance mechanisms.
- ID routing and address routing are required. Packet forwarding eliminates the need for prior art routing lists to greatly reduce command and data transmission delays.
- access speed can be greatly improved if the PCIe switching device is used to transmit commands or data in the disk array.
- Fig. 5A is a schematic diagram showing the basic structure of a system for expanding a disk capacity in the present invention.
- the system for expanding the disk capacity proposed by the present invention mainly includes: at least one server, an Ethernet network, at least one primary disk array, and a cascaded secondary disk array, and any one of the servers is connected to the primary disk array through an Ethernet.
- Fig. 5B is a schematic diagram showing an optimized structure of a system for expanding a disk capacity in the present invention. Referring to FIG.
- the system for expanding the disk capacity proposed by the present invention may further include: at least one storage controller, and any one of the servers first through Ethernet and one storage The controller is connected, and the storage controller is connected to the primary disk array through the Ethernet.
- Figure 6 is a schematic diagram showing the arrangement of a primary disk array and a disk array in the present invention.
- the main disk array is connected to the array of the disk and the disk array is connected by the PCIe switching unit, and
- the primary disk array includes: an interface unit, a processing unit, a PCIe switching unit, a control unit, and at least one disk.
- the interface unit is directly connected to the processing unit and provides a standard Ethernet interface.
- the PCIe switching unit is directly connected to the processing unit and the control unit, and the control unit is directly connected to each disk;
- the slave disk array includes: a PCIe switching unit, a control unit, and at least one disk.
- the PCIe switching unit is directly connected to the control unit, and the control unit is directly connected to each disk.
- a processing unit in the primary disk array configured to send the command or data to the PCIe switching unit in the primary disk array after acquiring the command or data;
- a PCIe switching unit in any one of the disk arrays configured to send the command or data to a first port directly connected to the control unit and a second directly connected to the PCIe switching unit of the subsequent stage when receiving the command or data a port, sending, by the forwarding process of the first port and the second port, the received command or data to a control unit in the corresponding disk array;
- control unit in any one of the disk arrays, configured to send the received command or data to the destination disk directly connected thereto according to the address information of the destination disk in the command or data when receiving the command or data;
- a primary disk array or any one of the secondary disk arrays used to perform operations such as reading, writing, or scanning based on received commands or data when commands or data are received.
- the present invention also proposes a method for accessing a destination disk, the core idea of which is: setting a PCIe switching unit between the processing unit and the control unit in the primary disk array, and setting PCIe switching in the slave disk array
- the unit and the control unit connect different disk arrays through their internal PCIe switching units; after the processing unit in the primary disk array acquires commands or data, the acquired commands or data are sent to the PCIe switching unit in the primary disk array;
- the PCIe switching unit in the primary disk array sends the received command or data to the control unit in the corresponding disk array according to the address information of the destination disk in the received command or data; the control unit in the corresponding disk array will receive The command or data is sent to the destination disk directly connected to it.
- a PCIe switching unit is disposed in the primary disk array, and the PCIe switching unit is respectively connected to the processing unit and the control unit in the primary disk array, and the control unit in the primary disk array is connected to each disk in the primary disk array.
- the original expander in the primary disk array can also be removed.
- the original expander in the slave disk array can also be removed.
- the existing processing unit and the control unit both support the PCIe interface, in the above process, the PCIe switching unit can be connected to the processing unit or the control unit through the PCIe interface.
- the ports for which the PCIe switching unit is directly connected to the control unit are collectively referred to as the first port, and the PCIe switching unit is used for the port connected to the subsequent PCIe switching unit.
- the second port Collectively referred to as the second port.
- each disk array including the primary disk array and any one of the secondary disk arrays, map the addresses of all the disks in the disk array to an address space, and save the address on the first port of the PCIe switching unit in the disk array.
- the information of the space; and, all subsequent addresses from the disk in the disk array are mapped to another address space, and the information of the other address space is saved on the second port of the PCIe switching unit in the disk array.
- a disk array that includes: an expandable switching unit coupled to the processing module and a control unit coupled to the switching unit.
- Different disk arrays are connected by their internal scalable switching units.
- the scalable switching unit is a PCIe switching unit (PCIeSwitch).
- PCIeSwitch PCIe switching unit
- FIG. 7 is a flow diagram of accessing a destination disk in an embodiment of the present invention.
- the process of accessing a destination disk by the method of the present invention includes the following steps when the main disk array is configured and the structure of the disk array is configured.
- the command or data carries the address of the destination disk.
- the specific implementation process of the server sending the encapsulated iSCSI protocol packet to the primary disk array includes: the server encapsulates the iSCSI protocol package through Ethernet. Sending to the storage controller; the storage controller decapsulates the received iSCSI protocol packet, obtains the command or data, and performs related business processing on the obtained command or data, such as mirroring or snapshot processing; storage control The obtained command or data is carried in the iSCSI protocol package, and the iSCSI protocol package is encapsulated and sent to the primary disk array through the Ethernet.
- the server directly sends the encapsulated iSCSI protocol packet to the primary disk array through the Ethernet.
- Step 702 The interface unit inside the primary disk array receives the iSCSI protocol packet, and sends the iSCSI protocol packet to the processing unit.
- Step 703 The processing unit in the main disk array performs decapsulation and protocol parsing on the received iSCSI protocol packet, acquires the command or data, and sends the acquired command or data to the primary disk array through the PCIe interface. PCIe switching unit.
- Step 704 The PCIe switching unit in the primary disk array sends the received command or data to its first port and the second port respectively.
- Step 705 The first port and the second port of the PCIe switching unit in the primary disk array respectively send the received command or data to the corresponding control unit according to the information of the address space saved by the switch.
- the specific implementation process of the step is: the first port of the PCIe switching unit in the primary disk array determines whether the address of the destination disk carried in the received command or data is within the range of the address space saved by itself, and if so, The received command or data is sent to the control unit in the primary disk array, and the step ends; otherwise, the forwarding process is not performed; and the second port of the PCIe switching unit in the primary disk array determines whether the received command or data is carried. Whether the address of the destination disk is in the range of the address space saved by itself Inside,
- the second port of the PCIe switch unit in the primary disk array does not perform the forwarding process.
- the second port of the PCIe switching unit in the primary disk array sends the received command or data to the PCIe switching unit in the secondary disk array 1 directly connected thereto; the PCIe switching unit in the disk array 1 Sending the received command or data to its first port and the second port at the same time; according to the principle of the above process in this step, by forwarding from the first port or the second port of the PCIe switching unit in the disk array 1, The received command or data is finally sent to a control unit in the corresponding disk array.
- Step 706 The control unit that receives the command or data sends the command or data to the destination disk directly connected thereto according to the address information of the destination disk in the command or data.
- Step 707 The destination disk performs corresponding data processing according to the received command or data, such as reading and writing data or performing data scanning.
- control unit may be an input/output processor (IOP) or a serial small computer interface controller (SAS/SATA Controller).
- IOP input/output processor
- SAS/SATA Controller serial small computer interface controller
- the present invention may also configure some processing policies, such as a RAID policy or a backup processing policy, on the IOP.
- RAID policy or a backup processing policy
- the IOP can further perform related processing on the current command or data according to the pre-configured processing policy, for example, mirroring the current command or data. Or backup processing, etc.
- the IOP then sends the received command or data to the corresponding disk.
- the PCIe switching unit may be a PCIe switching chip composed of a PCIe switching network that goes out to the PCIe interface.
- ASI Advanced Switched Interconnect
- the ASI switching network can directly use the protocol interface to directly carry the PCIe protocol, and directly output commands or data.
- the PCIe switching unit may also be an ASI device conforming to the ASI architecture.
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2008511538A JP2008546049A (ja) | 2006-04-19 | 2006-09-01 | 宛先ディスクへのアクセス方法とディスク容量拡張システム及びディスクアレイ |
EP06775575A EP2009552A4 (en) | 2006-04-19 | 2006-09-01 | DISK ACCESS METHOD, AND DISC SYSTEM AND MATRIX FOR EXTENDING DISC CAPACITY |
US12/097,253 US8041890B2 (en) | 2006-04-19 | 2006-09-01 | Method for accessing target disk, system for expanding disk capacity and disk array |
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CN200610066672.8 | 2006-04-19 | ||
CN200610066672A CN100581172C (zh) | 2006-04-19 | 2006-04-19 | 一种对目的磁盘进行访问的方法和扩展磁盘容量的系统 |
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WO2007118371A1 true WO2007118371A1 (fr) | 2007-10-25 |
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PCT/CN2006/002258 WO2007118371A1 (fr) | 2006-04-19 | 2006-09-01 | Procédé d'accès à un disque, et système et matrice de disques permettant d'étendre la capacité du disque |
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US (1) | US8041890B2 (zh) |
EP (1) | EP2009552A4 (zh) |
JP (1) | JP2008546049A (zh) |
KR (1) | KR101011336B1 (zh) |
CN (1) | CN100581172C (zh) |
RU (1) | RU2399951C2 (zh) |
WO (1) | WO2007118371A1 (zh) |
Cited By (2)
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JP2011523109A (ja) * | 2008-11-25 | 2011-08-04 | 株式会社日立製作所 | ライト完了を検知する機能を有するストレージシステム |
EP2225651B1 (en) * | 2007-11-26 | 2015-05-27 | Emulex Design & Manufacturing Corporation | Alignment-unit-based virtual formatting methods and devices employing the methods |
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JP2008546049A (ja) | 2008-12-18 |
CN1832489A (zh) | 2006-09-13 |
US8041890B2 (en) | 2011-10-18 |
KR101011336B1 (ko) | 2011-01-28 |
RU2399951C2 (ru) | 2010-09-20 |
US20080307161A1 (en) | 2008-12-11 |
CN100581172C (zh) | 2010-01-13 |
RU2008130859A (ru) | 2010-01-27 |
KR20080089589A (ko) | 2008-10-07 |
EP2009552A1 (en) | 2008-12-31 |
EP2009552A4 (en) | 2010-10-06 |
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