CN105260137B - Realize that HBA cards access the method and apparatus of SATA disks in SAS storage system - Google Patents
Realize that HBA cards access the method and apparatus of SATA disks in SAS storage system Download PDFInfo
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- CN105260137B CN105260137B CN201510626055.8A CN201510626055A CN105260137B CN 105260137 B CN105260137 B CN 105260137B CN 201510626055 A CN201510626055 A CN 201510626055A CN 105260137 B CN105260137 B CN 105260137B
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- 230000007246 mechanism Effects 0.000 claims description 4
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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
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Abstract
The present invention relates to the methods and apparatus that HBA cards access SATA disks are realized in SAS storage system.This method includes：Obtain the identifier of at least one of identifier and the SAS storage system of HBA cards SATA disks；Access includes HBA cards identifier and the white list of SATA disc identifiers, and to obtain white list item associated with HBA cards, one piece of SATA disk that wherein white list is configured such that at least one SATA disks can only be accessed simultaneously by a HBA card；And according to acquired white list item so that HBA cards access the SATA disks being in white list item at least one SATA disks.Embodiment of the present invention solves the problems, such as that is be likely to occur in SAS domain when realizing redundancy backup HBA cards seizes SATA disks.
Description
Technical field
The present invention relates to the technical field of data storage, more particularly, to the realization HBA cards visit in SAS storage system
Ask the method and apparatus of SATA disks.
Background technology
SAS (Serial Attached SCSI, Serial Attached SCSI (SAS)) is that (minicomputer system connects SCSI of new generation
Mouthful) technology is identical with currently popular SATA (Serial ATA, serial ATA) disk, all it is to use serial technology to obtain more
High data transmission bauds, and the advantages such as improved inner space are obtained by shortening tie line.The interfacing of SAS can be with
Backward compatible SATA, you can to install SAS disks or SATA disks on SAS interfaces.SATA disks are low-cost, and SAS
Disk is not then cheap, therefore can preferentially select SATA disks when realizing storage scheme to substitute expensive SAS disks.
In a SAS storage system, terminal device including disk and host adapter (also referred to as HBA cards), is connected to
On expander (Expander), while expander is connected with each other, and is formed a network structure, referred to as SAS domain, is connected to same
Various equipment in SAS domain can establish data link and communicate.Fig. 1 schematically shows SAS storage system 100,
Including the multiple terminal devices connected by expander interconnected set 110, including SAS disks 101 and 102,103 and of SATA disks
104 and HBA cards 105 and 106.
In order to realize High Availabitity, i.e., pipe disk is clamped by other one piece of HBA after one piece of HBA card failure in SAS domain, it can
To access polylith HBA cards simultaneously in same SAS domain, mutually as backup, so as to quick in the case of a HBA cards damage
Switching.Patent application CN 101488077 (publication date is on July 22nd, 2009) discloses a kind of redundancy HBA card systems,
Two pieces of identical HBA cards are inserted on server master board, every piece of HBA card is considered to be independent from each other, the equal energy of every piece of HBA card and its
His all components form a complete system, two pieces of HBA cards constitute two be mutually redundant, mutually redundant system.
However, in practice, in the case of accessing SATA disks in SAS domain, if having again simultaneously multiple HBA be clamped into
The SAS domain, then will there are problems that seizing：For SAS disks, SATA disks only support single channel, i.e., same
In time, can only the disk be accessed by a HBA.If in SAS domain, while access multiple HBA cards, then these HBA
Card will constantly seize the access path of SATA disks, lead to system cisco unity malfunction.Fig. 2 diagrammatically illustrates two pieces
HBA leads to the situation that the SATA disks of SAS domain can not work normally.
Fig. 2 schematically shows SAS storage system 200, including expander set 210, the SAS magnetic in normal work
Disk 201 and 202, SATA disks 203 and 204 and HBA cards 206 and the terminal device HBA cards 205 newly accessed.When HBA cards
In the case that 206 are accessing SATA disks 204, between them there are access path 214, if accessing another again at this time
HBA cards 205 are then realized according to the driver of existing HBA cards, can attempt to establish the data of the HBA cards and all SATA disks
Link, thus the access path between HBA cards 206 and SATA disks 204 can be seized, lead to that HBA cards 206 and SATA magnetic can be interrupted
The available data link of disk 204 causes the access exception of SATA disks 204.
Invention content
In view of this, the first purpose of embodiment of the present invention is to solve the multiple HBA cards accessed in aforementioned SAS domain
What be will appear seizes problem for SATA disks.
According to an aspect of the present invention, a kind of side that HBA cards access SATA disks are realized in SAS storage system is provided
Method.This method includes：Obtain the mark of at least one of the identifier of the HBA cards and SAS storage system SATA disks
Know symbol；Access includes HBA cards identifier and the white list of SATA disc identifiers, associated with the HBA cards to obtain
White list item, wherein the white list is configured such that one piece of SATA disk at least one SATA disks simultaneously only
It can be accessed by a HBA card；And according to acquired white list item so that the HBA cards access at least one SATA
The SATA disks being in the white list item in disk.
According to another aspect of the present invention, a kind of realization HBA cards in SAS storage system are provided and access SATA disks
Equipment.The equipment includes：Identifier acquisition device, for obtaining in the identifier and the SAS storage system of the HBA cards
The identifier of at least one SATA disks；White list item acquisition device includes HBA cards identifier and SATA disk marks for accessing
The white list of symbol is known, to obtain white list item associated with the HBA cards, wherein the white list is configured such that institute
Stating one piece of SATA disk at least one SATA disks can only be accessed simultaneously by a HBA card；And access mechanism, for root
According to acquired white list item so that the HBA cards, which are accessed at least one SATA disks, is in the white list item
In SATA disks.
According to a further aspect of the invention, a kind of computer program realized in a computer-readable storage medium is provided
Product, the computer readable storage medium, which has, is stored in computer readable program code part therein, the computer
Readable program code is partially configured as performing according to preceding method.For example, the computer readable program code part includes：
First executable part, for obtaining at least one of the identifier of the HBA cards and SAS storage system SATA disks
Identifier；Second executable part includes HBA cards identifier and the white list of SATA disc identifiers for accessing, so as to
White list item associated with the HBA cards is obtained, wherein the white list is configured such that at least one SATA magnetic
One piece of SATA disk in disk can only be accessed simultaneously by a HBA card；And third can perform part, for according to acquired
White list item so that the HBA cards access the SATA magnetic being in the white list item at least one SATA disks
Disk.
According to the embodiment of the present invention, being likely to occur in the HBA cards for realizing redundancy backup in SAS domain is solved
The problem of seizing SATA disks.
From the detailed description made below in conjunction with attached drawing, these and other advantages and features of the invention will become bright
Aobvious, wherein in entire several attached drawings described below, similar element will be with similar number.
Description of the drawings
Fig. 1 schematically shows an example SAS storage system of the prior art；
Fig. 2 schematically shows between multiple HBA cards of the prior art, in SAS storage system and SATA disks
The situation for seizing access path that may occur；
The side that HBA cards access SATA disks are realized in SAS storage system of Fig. 3 diagrams according to the embodiment of the present invention
The flow chart of method；
The example of the white list of Fig. 4 A and Fig. 4 B diagrams according to the embodiment of the present invention；And
The realization HBA cards in SAS storage system of Fig. 5 diagrams according to the embodiment of the present invention access setting for SATA disks
Standby block diagram.
Specific embodiment
Present disclosure is described in more detail below hereinafter with reference to attached drawing, wherein showing reality in the present disclosure in the accompanying drawings
Apply mode.But these embodiments can be realized and should not be construed as being limited to many different forms it is described herein
Embodiment.On the contrary, provide these examples so that present disclosure will be thorough and complete, and will comprehensively to
Those skilled in the art expression scope of the present disclosure.
Various embodiments of detailed description of the present invention in an illustrative manner below in conjunction with the accompanying drawings.
With reference to figure 3, the various embodiments it illustrates the present invention realize that HBA cards access SATA in SAS storage system
The flow chart of the method 300 of disk.
In step S310, the mark of at least one of identifier and the SAS storage system of HBA cards SATA disks is obtained
Symbol.
In step S320, access includes HBA cards identifier and the white list of SATA disc identifiers, to obtain and HBA
Block associated white list item.White list item includes the HBA cards identifier being mutually paired and SATA disc identifiers.White list quilt
One piece of SATA disk being configured so that at least one SATA disks can only be accessed simultaneously by a HBA card.
In step S330, according to acquired white list item so that HBA cards are accessed at least one SATA disks
The SATA disks being in white list item.
It should be noted that this method is illustrated and described as series of actions while for purposes of simplicity of explanation, but should
Understand and appreciate that claimed subject content will not be limited by the execution sequence of these actions because some act can be with
Concurrently occur, while some are acted according to order different appearance shown and described herein or with other actions
It is also possible that several sub-steps, and the possibility for intersecting execution in sequential is likely to occur between these sub-steps.Additionally, it is possible to simultaneously
The action of not all diagram is implemented according to necessary to the method described in the appended claims.Furthermore abovementioned steps are retouched
It states and is not excluded for this method and can also include that the additional step of additional effect may be obtained.
In one embodiment, HBA cards identifier and SATA disc identifiers are represented using the SAS addresses in SAS domain.
In a SAS domain, all terminal devices including disk and HBA cards, can be all gathered around there are one unique and fixed SAS addresses, because
This can be by SAS addresses come each terminal device of unique mark.
Although should be appreciated that in the above-described embodiments, identified using SAS addresses as HBA cards identifier and SATA disks
Symbol, but in other examples, HBA cards identifier and SATA disc identifiers may be that other can be in SAS system
The form mutually distinguished, such as the different names of different terminal equipment, number etc..
In the realization of existing HBA card drivers, driver can enforce all SATA disk units and remove
The operation of some data links can seize other HBA cards and the link of the SATA disks, cause accessing the SATA disks
Other HBA cards cannot again from the SATA disks read data.However, various embodiments according to the present invention, realize logical
White list is crossed to control HBA cards to the technology of SATA disk access, solves the problems, such as to seize.
In one embodiment, a whitelist kernel module is realized, which safeguards a white list,
White list item therein can be made of a HBA card SAS address and SATA disk SAS addresses, such as
0x0000000000001111 and 0x0000000000000005 represents the HBA that address is allowed to be 0x0000000000001111
Card access address is the SATA disks of 0x0000000000000005；, whereas if SATA disk SAS addresses not with the HBA
The SATA disks are accessed there are the HBA cards in the white list item of correspondence, are not then allowed.
Whitelist kernel modules for example can be managed and be configured by procfs file system, for example, can set
Following executable file, i.e. add, del and list：
●/proc/whitelist/add files：For adding white list item, by the way that (HBA card SAS addresses are written：SATA
Disk SAS addresses) to adding, such as write-in " 0x0000000000001111:0x0000000000000005 " represents addition
Corresponding white list item；
●/proc/whitelist/del files：For deleting white list item, by the way that (HBA card SAS addresses are written：SATA
Disk SAS addresses) to deleting, such as write-in " 0x0000000000001111:0x0000000000000005 " represents to delete
Corresponding white list item；
●/proc/whitelist/list files：By reading this document content, existing white list item list is obtained.
In other embodiments, the operations such as add, del and list more than can also being realized using executable command.
In one embodiment, in the initialization procedure of HBA cards, HBA cards obtain white name associated with the HBA cards
It is single, while all devices in SAS domain are scanned according to SAS protocol, it obtains type and SAS addresses of each equipment etc. and believes substantially
Breath, and these information are reported to HBA drivers.
In the embodiments described, whitelist kernel moulds can be realized in every computer system of SAS domain
Block, in this way, each HBA cards in one or more of every computer system HBA cards can be from the same whitelist
Kernel module obtains white list, such as by accessing list files or performing the similar output result with list files
Executable command.
Other embodiment according to the present invention, for example, HBA cards obtain the mode of white list associated with the HBA cards
It can also include loading by the preconfigured white list of third party manufacturer or from independent in SAS domain from the firmware of HBA cards
Server or database at obtain its white list for entire SAS domain safeguarded.
In one embodiment, by white list mechanism come control HBA cards and SATA establish the process of data link can be with
For：HBA cards attempt access each SATA disk before, HBA card drivers obtained HBA cards itself SAS addresses and
Whether the SAS addresses of SATA disks have matched item according in the two address lookup white lists：
● if so, then establishing data link according to original flow and SATA disks, and access the number on the SATA disks
According to；
● otherwise, the SATA disks are skipped, do not interfere with the data-link between the SATA disks and other HBA cards thus
It connects.
According to the embodiment of the present invention, it can be that different white list items is configured in different HBA cards, ensure one piece of SATA
Disk can only be accessed by a HBA card simultaneously, avoid the problem that being preempted.Fig. 4 A and Fig. 4 B respectively illustrate according to the present invention
The example of the white list of embodiment.As shown in Figure 4 A and 4 B shown in FIG., it illustrates at a time (Fig. 4 A) permission SAS addresses to be
It is 0x0000000000000005's and 0x0000000000000006 that the HBA of 0x0000000000001111, which accesses SAS addresses,
Two pieces of SATA disks, another piece of HBA that permission SAS addresses are 0x0000000000001112 access SAS addresses and are
Two pieces of SATA disks of 0x0000000000000007 and 0x0000000000000009；And at another moment (Fig. 4 B), then permit
Perhaps SAS addresses are 0x0000000000001111 HBA access SAS addresses be 0x0000000000000005,
Three pieces of SATA disks of 0x0000000000000006 and 0x0000000000000007, a permission SAS addresses are
Another piece of HBA of 0x0000000000001112 accesses the SATA disks that SAS addresses are 0x0000000000000009.
In one embodiment, the step of the method can also include establishment, modification, and/or delete white list.
In one embodiment, the step of the method can also include deleting, and/or adding white list item.Into one
Step ground, when deleting white list item in real time, HBA card drivers are checked whether to establish with the SATA disks and be connected, if
It is that link can be automatically closed；When addition white list in real time, it is only necessary to reset SATA disks, HBA card drivers can be certainly
It is dynamic to be connected to the SATA disks.
Schematically various embodiments according to the present invention realize that HBA cards access SATA disks to Fig. 5 in SAS storage system
Equipment 500 block diagram.Equipment 500 can include：Identifier acquisition device 510, for obtaining the identifier of HBA cards and SAS
The identifier of at least one of storage system SATA disks；White list item acquisition device 520 includes HBA cards mark for accessing
Symbol and the white list of SATA disc identifiers are known, to obtain white list item associated with HBA cards；And access mechanism 530,
For according to acquired white list item so that HBA cards access being in white list item at least one SATA disks
SATA disks.
White list item includes the HBA cards identifier being mutually paired and SATA disc identifiers.White list is configured such that
One piece of SATA disk at least one SATA disks can only be accessed simultaneously by a HBA card.
In a further embodiment, equipment 500 can also include establishment, modification, and/or the deletion for white list
Device and/or the white list item additions and deletions device for white list item to be added and/or deleted in the white list.
It should be appreciated that each device described in equipment 500 and each step phase in the method 300 that is described with reference to figure 3
It is corresponding.Equipment 500 and device wherein included are equally applicable to above with respect to the operation and feature of Fig. 3 descriptions as a result, is repeated
Details are not described herein for content.
The teachings of the present invention is also implemented as a kind of computer program product of computer readable storage medium, including meter
Calculation machine program code when computer program code is performed by processor, is enabled a processor to according to embodiment party of the present invention
The method of formula come realize as the embodiment described herein realize that more HBA cards access SATA disks in SAS storage system.It calculates
Machine storage medium can be any tangible media, such as floppy disk, CD-ROM, DVD, even hard disk drive, network medium etc..
According to the embodiment of the present invention, including preceding method and equipment, according to including HBA cards identifier and SATA disks
The white list of identifier so that HBA cards be only able to access that in white list there are correspondences with the identifiers of the HBA cards
SATA disks in SAS domain, can be to already existing HBA cards and SATA disks so as to avoid the HBA cards newly accessed in SAS domain
Between access path the problem of causing to seize.According to the embodiment of the present invention, it is only necessary to access SATA disks in first time
When check white list, later read write-in data need not all check again for white list, there is no any influence to disk read-write performance.
In the aforementioned embodiment, the method for embodiments of the present invention or equipment are embodied as such as HBA card drivers
Software form, but it is to be understood that the method or equipment of embodiments of the present invention can be by according to software, hardware or softwares
Combination with hardware is realized.Hardware components can be realized using special logic；Software section can store in memory,
By appropriate instruction execution system, such as microprocessor or special designs hardware perform.Those of ordinary skill in the art
It is appreciated that above-mentioned method and apparatus can be using computer executable instructions and/or included in processor control routine
It realizes, such as in such as mounting medium of disk, CD or DVD-ROM, the programmable storage of such as read-only memory (firmware)
Such code is provided in the data medium of device or such as optics or electrical signal carrier.The process and apparatus of the present invention can
With by the semiconductor of super large-scale integration or gate array, logic chip, transistor etc. or such as scene can
The hardware circuit realization of the programmable hardware device of gate array, programmable logic device etc. is programmed, it can also be with by various types
Processor perform software realize, can also be realized by the combination such as firmware of above-mentioned hardware circuit and software.
If it will be appreciated that though be referred to the equipment for drying or sub-device of system in detailed descriptions above, but it is this
Division is merely exemplary rather than enforceable.In fact, according to an illustrative embodiment of the invention, above-described two
Or more the feature and function of device can realize in one apparatus.Conversely, the feature and work(of an above-described device
It can be further divided into being realized by multiple devices.
It is also understood that in order not to obscure embodiments of the present invention, specification is only to some are crucial, may not necessary skill
Art and feature are described, and the feature that can may do not realized to some those skilled in the art is explained.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Within god and principle, any modification for being made, equivalent replacement etc. should all be included in the protection scope of the present invention.
Claims (7)
- A kind of 1. method for realizing that HBA cards access SATA disks in SAS storage system, which is characterized in that including：Obtain the identifier of at least one of the identifier of the HBA cards and SAS storage system SATA disks；Access includes HBA cards identifier and the white list of SATA disc identifiers, associated with the HBA cards white to obtain Name individual event, wherein one piece of SATA disk that the white list is configured such that at least one SATA disks simultaneously can only It is accessed by a HBA card；AndAccording to acquired white list item so that being in the HBA cards access at least one SATA disks is described white SATA disks in name individual event.
- 2. according to the method described in claim 1, it is characterized in that, the white list is configured for one of following item：Each HBA cards；Allow to connect every computer of multiple HBA cards；OrEntire SAS storage system.
- 3. method according to claim 1 or 2, which is characterized in that further comprise：White list item is added and/or deleted in the white list, wherein,When adding white list item in the white list, the method further includes：It establishes represented by added white list item HBA cards and SATA disks between access path orWhen deleting white list item in the white list, the method further includes：It closes represented by deleted white list item HBA cards and SATA disks between access path.
- 4. a kind of equipment for realizing that HBA cards access SATA disks in SAS storage system, which is characterized in that including：Identifier acquisition device, for obtaining at least one of the identifier of the HBA cards and SAS storage system SATA The identifier of disk；White list item acquisition device includes HBA cards identifier and the white list of SATA disc identifiers, to obtain for accessing White list item associated with the HBA cards, wherein the white list is configured such that at least one SATA disks One piece of SATA disk can only be accessed simultaneously by HBA card；AndAccess mechanism, for according to acquired white list item so that the HBA cards are accessed at least one SATA disks The SATA disks being in the white list item.
- 5. equipment according to claim 4, which is characterized in that the white list is configured for one of following item：Each HBA cards；Allow to connect every computer of multiple HBA cards；OrEntire SAS storage system.
- 6. equipment according to claim 4 or 5, which is characterized in that further comprise：White list item additions and deletions device, for white list item to be added and/or deleted in the white list, wherein,When adding white list item in the white list, the equipment further includes：For establishing added white list item institute The device of access path between the HBA cards of expression and SATA disks orWhen deleting white list item in the white list, the equipment further includes：For closing deleted white list item institute The device of access path between the HBA cards of expression and SATA disks.
- 7. a kind of computer program product realized in a computer-readable storage medium, the computer readable storage medium tool Computer readable program code part therein is stored in, the computer readable program code is partially configured as performing root According to the method described in claim 1-3.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510626055.8A CN105260137B (en) | 2015-09-28 | 2015-09-28 | Realize that HBA cards access the method and apparatus of SATA disks in SAS storage system |
| PCT/CN2016/100246 WO2017054697A1 (en) | 2015-09-28 | 2016-09-27 | Method and device for implementing access of hba card to sata disk in sas storage system |
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| CN201510626055.8A CN105260137B (en) | 2015-09-28 | 2015-09-28 | Realize that HBA cards access the method and apparatus of SATA disks in SAS storage system |
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| CN105260137B (en) * | 2015-09-28 | 2018-06-22 | 天津书生云科技有限公司 | Realize that HBA cards access the method and apparatus of SATA disks in SAS storage system |
| CN113296704B (en) * | 2021-05-27 | 2022-12-02 | 济南浪潮数据技术有限公司 | Online parallel collection method, device and equipment for firmware logs of SAS HBA (Serial attached SCSI) card |
| CN115186255B (en) * | 2022-09-13 | 2022-11-29 | 北京六方云信息技术有限公司 | Industrial host white list extraction method and device, terminal device and storage medium |
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| CN101944029A (en) * | 2009-07-10 | 2011-01-12 | 环旭电子股份有限公司 | Updating device and updating method of magnetic disk firmware |
| CN104077083A (en) * | 2014-07-01 | 2014-10-01 | 浪潮(北京)电子信息产业有限公司 | New added storage method, device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6230240B1 (en) * | 1998-06-23 | 2001-05-08 | Hewlett-Packard Company | Storage management system and auto-RAID transaction manager for coherent memory map across hot plug interface |
| US8954685B2 (en) * | 2008-06-23 | 2015-02-10 | International Business Machines Corporation | Virtualized SAS adapter with logic unit partitioning |
| CN101488077B (en) * | 2009-02-24 | 2011-08-24 | 浪潮电子信息产业股份有限公司 | Redundancy magnetic disk control server system |
| US8943258B2 (en) * | 2011-11-04 | 2015-01-27 | Lsi Corporation | Server direct attached storage shared through virtual SAS expanders |
| CN104657316B (en) * | 2015-03-06 | 2018-01-19 | 北京百度网讯科技有限公司 | Server |
| CN105260137B (en) * | 2015-09-28 | 2018-06-22 | 天津书生云科技有限公司 | Realize that HBA cards access the method and apparatus of SATA disks in SAS storage system |
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- 2015-09-28 CN CN201510626055.8A patent/CN105260137B/en active Active
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101944029A (en) * | 2009-07-10 | 2011-01-12 | 环旭电子股份有限公司 | Updating device and updating method of magnetic disk firmware |
| CN104077083A (en) * | 2014-07-01 | 2014-10-01 | 浪潮(北京)电子信息产业有限公司 | New added storage method, device and system |
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| CN105260137A (en) | 2016-01-20 |
| WO2017054697A1 (en) | 2017-04-06 |
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