CN106060013A - Virtualization method based on iSCSI - Google Patents

Virtualization method based on iSCSI Download PDF

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Publication number
CN106060013A
CN106060013A CN201610328558.1A CN201610328558A CN106060013A CN 106060013 A CN106060013 A CN 106060013A CN 201610328558 A CN201610328558 A CN 201610328558A CN 106060013 A CN106060013 A CN 106060013A
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China
Prior art keywords
iscsi
multipath
uranus
main frame
kvm
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CN201610328558.1A
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Chinese (zh)
Inventor
杨磊
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Inspur Electronic Information Industry Co Ltd
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Inspur Electronic Information Industry Co Ltd
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Priority to CN201610328558.1A priority Critical patent/CN106060013A/en
Publication of CN106060013A publication Critical patent/CN106060013A/en
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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
    • H04L67/131—Protocols for games, networked simulations or virtual reality
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/22—Arrangements for detecting or preventing errors in the information received using redundant apparatus to increase reliability
    • 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
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0036—Small computer system interface [SCSI]
    • 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
    • G06F3/0662—Virtualisation aspects
    • 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]

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Information Transfer Between Computers (AREA)

Abstract

The virtualization method based on iSCSI comprises the steps that an iSCSI target server with a host name of neptune and an iSCSI starting server with a host name of Uranus are used for installing an iSCSI target on the neptune host and starting iSCSI target service, and an iSCSI starter is installed on the Uranus host and starting iSCSI starter service; then, an iSCSI multipath interface is established on the uranus host, and the storage equipment is connected through the iSCSI multipath; installing a Multipath on a uranus host, and starting a Multipath service; and finally, installing the KVM on the uranus host, and installing the KVM virtual machine by using the iSCSI multipath storage equipment. The invention can improve the virtualization coverage and greatly reduce the cost.

Description

A kind of virtual method based on iSCSI
Technical field
The present invention relates to virtualization field, a kind of virtual method based on iSCSI.
Background technology
In current virilization scheme, main use FC SAN(fibre channel sans), due to optical fiber cable, Costly, client is faced with relatively costly problem to the equipment such as light network, HBA card.Additionally, optical fiber cable length causes covering model Enclose less, easily form storage isolated island.
Based on the problems referred to above, the present invention proposes virtual method based on iSCSI, iSCSI(Internet Small Computer System Interface, small computer system interface) it is can assist at IP for hardware device The SCSI command collection that the upper strata of view is run, it is possible to achieve run SCSI protocol on ip networks so that it is can be in such as high speed thousand It is routed on mbit ethernet.Owing to iSCSI is based on ICP/IP protocol, so its adapter, switch and cable etc. set Standby cost will be lower than FC SAN, and its O&M cost is relatively low, iSCSI IP based network transmission data, in theory, and transmission Distance can reach optional position, the world, and current 10,000,000,000 network equipments are the most ripe, and performance can be met customer need.
Summary of the invention
The present invention is directed to demand and the weak point of current technology development, it is provided that a kind of virtual method based on iSCSI.
A kind of virtual method based on iSCSI of the present invention, solves the technical scheme of above-mentioned technical problem employing such as Under: described a kind of virtual method based on iSCSI, mainly by a storage server as iSCSI target, host name For neptune, another station server as iSCSI trigger, the entitled Uranus of main frame；Neptune main frame is installed Iscsi target, and start iSCSI destination service；Meanwhile, uranus main frame is installed iSCSI trigger, and starts ISCSI activator services；Then, uranus main frame creates iSCSI multipath interface, and collocation can be detected passes through The storage device that iSCSI multipath connects；Finally, uranus main frame is installed Multipath, and starts multipath Service；Meanwhile, uranus main frame is installed KVM, the network profile that editor is corresponding so that virtual machine can use bridge Connect network；Enable bridge coil after restarting network service, use iSCSI multipath storage device that KVM virtual machine is installed.
Preferably, uranus main frame creates iSCSI multipath interface, updates the configuration of described multipath interface, Make them point to the real network interface of main frame, and confirm that it uses correct network adapter；Meanwhile, described multipath is checked The state of interface, inquires about its all destination nodes found, and logs in all of destination node.
Preferably, uranus main frame is installed Multipath, and starts multipath service, inquire about multipath Equipment, editor's multipath configuration file carrys out self-defined multipath device another name；Then multipath clothes are restarted Business, multipath device another name obtains and updates.
Preferably, iSCSI multipath storage device is used KVM virtual machine to be installed, by Virtual Machine Manager instrument Virt-manager, creates a new KVM virtual machine, selects the described multipath device updating another name as its system Disk, selects kvm.
A kind of virtual method based on iSCSI of the present invention compared with prior art has the beneficial effect that this The virtual method based on iSCSI of disclosure of the invention, it is possible to increase virtualization scheme coverage, can be greatly reduced scheme Cost, simple to operate, easy to maintenance, expandability is strong, and not by distance limit, therefore the method has valency of preferably promoting the use of Value.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with specific embodiment, to this Bright described a kind of virtual method based on iSCSI further describes.
The invention discloses a kind of virtual method based on iSCSI, mainly by a storage server as iSCSI Target, the entitled neptune of main frame, another station server as iSCSI trigger, the entitled Uranus of main frame；At neptune Iscsi target is installed on main frame, and starts iSCSI destination service；Meanwhile, uranus main frame is installed iSCSI to start Device, and start iSCSI activator services；Then, uranus main frame creates iSCSI multipath interface, and detects logical Cross the storage device that iSCSI multipath connects；Finally, uranus main frame is installed Multipath, and starts Multipath services, and meanwhile, installs KVM, the network profile that editor is corresponding so that virtual machine on uranus main frame Bridge coil can be used, use iSCSI multipath storage device that KVM virtual machine is installed.Can be improved by the method Virtualization scheme coverage, reduces cost.
Embodiment:
Below by an instantiation, the present invention is described in detail.Described in the present embodiment a kind of based on iSCSI virtual Change method, it is as follows that it mainly implements step:
Step one, arranges a storage server, needs iSCSI host channel, be used as iSCSI target, and main frame is entitled neptune；The entitled uranus of another main frame is set, as iSCSI trigger；Two-server is respectively mounted Redhat 5.5 operating system；
Step 2, on neptune main frame install iscsi target
[root@neptune ~]# yum install scsi-target-utils
Local disk sdb on configuration main frame is storage device, notes directly using sdb raw device, the most not Need it is formatted；
[root@neptune tgt]# vi /etc/tgt/targets.conf
<target iqn.2012-09.com.ibm:neptune.target>
backing-store /dev/sdb # Becomes LUN 1
</target>
And start iSCSI destination service；
[root@neptune tgt]# /etc/init.d/tgtd start
Starting SCSI target daemon: Starting target framework daemon
Step 3, on uranus main frame install iSCSI trigger
[root@uranus ~]# yum install iscsi-initiator-utils
And start iSCSI activator services:
[root@uranus ~]# /etc/init.d/iscsi start
iscsid (pid 6112) is running... [ OK ]
[root@uranus ~]# /etc/init.d/iscsid start
Starting iSCSI daemon: [ OK ]
Step 4, on uranus main frame create iSCSI multipath interface
[root@uranus ~]# iscsiadm -m iface -I ibr0 --op=new
New interface ibr0 added
[root@uranus ~]# iscsiadm -m iface -I ieth1 --op=new
New interface ieth1 added
Update the configuration just creating multipath interface, make them point to the real network interfaces of main frame:
[root@uranus ~]# iscsiadm -m iface -I ibr0 --op=update -n iface.net_ ifacename -v br0
ibr0 updated.
[root@uranus ~]# iscsiadm -m iface -I ieth1 --op=update -n iface.net_ ifacename -v eth1
ieth1 updated.
Meanwhile, confirm that it uses correct network adapter:
[root@uranus ~]# cat /var/lib/iscsi/ifaces/ibr0
# BEGIN RECORD 2.0-871
iface.iscsi_ifacename = ibr0
iface.net_ifacename = br0
iface.transport_name = tcp
# END RECORD
[root@uranus ~]# cat /var/lib/iscsi/ifaces/ieth1
# BEGIN RECORD 2.0-871
iface.iscsi_ifacename = ieth1
iface.net_ifacename = eth1
iface.transport_name = tcp
# END RECORD
Check the state of the iSCSI multipath interface of establishment:
[root@uranus ~]# iscsiadm -m iface
default tcp,<empty>,<empty>,<empty>,<empty>
iser iser,<empty>,<empty>,<empty>,<empty>
ieth1 tcp,<empty>,<empty>,eth1,<empty>
bnx2i.00:1a:64:09:02:49 bnx2i,00:1a:64:09:02:49,<empty>,<empty>,<empty>
bnx2i.00:1a:64:09:02:4b bnx2i,00:1a:64:09:02:4b,<empty>,<empty>,<empty>
ibr0 tcp,<empty>,<empty>,br0,<empty>
bnx2i.00:00:00:00:00:00 bnx2i,00:00:00:00:00:00,<empty>,<empty>,<empty>
Inquire about its all destination nodes found
[root@uranus ~]# iscsiadm -m node
9.186.12.59:3260,1 iqn.2012-09.com.ibm:neptune.target
9.186.12.59:3260,1 iqn.2012-09.com.ibm:neptune.target
9.186.12.58:3260,1 iqn.2012-09.com.ibm:neptune.target
9.186.12.58:3260,1 iqn.2012-09.com.ibm:neptune.target
Log in all of destination node:
[root@uranus ~]# iscsiadm -m node --loginall=all
Logging in to [iface: ieth1, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.59,3260]
Logging in to [iface: ibr0, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.59,3260]
Logging in to [iface: ieth1, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.58,3260]
Logging in to [iface: ibr0, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.58,3260]
Login to [iface: ieth1, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.59,3260]: successful
Login to [iface: ibr0, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.59,3260]: successful
Login to [iface: ieth1, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.58,3260]: successful
Login to [iface: ibr0, target: iqn.2012-09.com.ibm:neptune.target,
portal: 9.186.12.58,3260]: successful
Step 5, on main frame uranus, detect the storage device connected by iSCSI multipath；Multiple magnetic is had in system The state of dish and capacity are just as, and they are directed to the storage of same iSCSI target, the path simply accessed different and ?.
[root@uranus ~]# fdisk -l
Disk /dev/sda: 36.2 GB, 36269195264 bytes
64 heads, 32 sectors/track, 34589 cylinders
Units = cylinders of 2048 * 512 = 1048576 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 128 131056 83 Linux
/dev/sda2 129 4224 4194304 82 Linux swap / Solaris
/dev/sda3 4225 34589 31093760 83 Linux
Disk /dev/sdb: 73.2 GB, 73283928064 bytes
255 heads, 63 sectors/track, 8909 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdb doesn't contain a valid partition table
Disk /dev/dm-0: 73.2 GB, 73283928064 bytes
255 heads, 63 sectors/track, 8909 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/sdd: 73.2 GB, 73294413824 bytes
255 heads, 63 sectors/track, 8910 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdd doesn't contain a valid partition table
Disk /dev/sde: 73.2 GB, 73294413824 bytes
255 heads, 63 sectors/track, 8910 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sde doesn't contain a valid partition table
Disk /dev/sdf: 73.2 GB, 73294413824 bytes
255 heads, 63 sectors/track, 8910 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdf doesn't contain a valid partition table
Disk /dev/sdg: 73.2 GB, 73294413824 bytes
255 heads, 63 sectors/track, 8910 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/sdg doesn't contain a valid partition table
Disk /dev/dm-1: 73.2 GB, 73294413824 bytes
255 heads, 63 sectors/track, 8910 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-1 doesn't contain a valid partition table
Step 6, on uranus main frame install Multipath；
Main frame is installed DM-multipath (DM-Multipath) so that main frame can use iSCSI multipath Access storage device.Multiple I/O paths that DM-multipath can realize between host node and rear end storage are joined It is set to a unity logic equipment, such that it is able to provide link redundancy and improve performance.Main frame comprises multiple I/O by access The logical device in path, it is possible to be effectively improved the reliability of back end storage system.
[root@uranus ~]# yum install device-mapper-multipath
Start multipath to service:
[root@uranus ~]# /etc/init.d/multipathd start
Starting multipathd daemon: [ OK ]
Inquiry multipath device, it comprises four paths:
[root@uranus etc]# multipath -ll
mpath29 (1IET_00010001) dm-1 IET,VIRTUAL-DISK
[size=68G][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
\_ 10:0:0:1 sde 8:64 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 11:0:0:1 sdd 8:48 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 12:0:0:1 sdf 8:80 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 13:0:0:1 sdg 8:96 [active][ready]
Editor's multipath configuration file carrys out self-defined multipath device another name so that readily identified management:
[root@uranus etc]# vi /etc/multipath.conf
multipaths {
multipath {
wwid 1IET_00010001
alias kvm
}
}
Step 7, restart multipath service:
[root@uranus etc]# /etc/init.d/multipathd restart
Stopping multipathd daemon: [ OK ]
Starting multipathd daemon: [ OK ]
Multipath device another name updates now:
[root@uranus etc]# multipath -ll
kvm (1IET_00010001) dm-1 IET,VIRTUAL-DISK
[size=68G][features=0][hwhandler=0][rw]
\_ round-robin 0 [prio=1][active]
\_ 10:0:0:1 sde 8:64 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 11:0:0:1 sdd 8:48 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 12:0:0:1 sdf 8:80 [active][ready]
\_ round-robin 0 [prio=1][enabled]
\_ 13:0:0:1 sdg 8:96 [active][ready]
Step 8, on uranus main frame install KVM
[root@uranus ~]# yum install kvm python-virtinst libvirt libvirt-python \
virt-manager virt-viewer
The network profile that editor is corresponding so that virtual machine can use bridge coil, needs content similar as follows:
[root@uranus network-scripts]# vi ifcfg-eth0
# Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet
DEVICE=eth0
BRIDGE=br0
HWADDR=00:1a:64:09:02:48
ONBOOT=yes
[root@uranus network-scripts]# vi ifcfg-br0
# Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet
DEVICE=br0
BOOTPROTO=static
BROADCAST=9.186.12.255
HWADDR=00:1a:64:09:02:48
IPADDR=9.186.12.56
IPV6INIT=yes
IPV6_AUTOCONF=yes
NETMASK=255.255.255.0
NETWORK=9.186.12.0
ONBOOT=yes
TYPE=Bridge
After restarting network service, bridge coil enables, and such virtual machine just can use the network segment same with main frame；
Step 9, use iSCSI multipath storage device install KVM virtual machine
By Virtual Machine Manager instrument virt-manager, start to create a new KVM virtual machine, select just to update not The multipath device of name, as its system disk, selects kvm.
Above-mentioned detailed description of the invention is only the concrete case of the present invention, and the scope of patent protection of the present invention includes but not limited to Above-mentioned detailed description of the invention, any that meet claims of the present invention and any person of an ordinary skill in the technical field The suitably change being done it or replacement, all should fall into the scope of patent protection of the present invention.

Claims (4)

1. a virtual method based on iSCSI, it is characterised in that mainly by a storage server as iSCSI Target, the entitled neptune of main frame, another station server as iSCSI trigger, the entitled Uranus of main frame；At neptune Iscsi target is installed on main frame, and starts iSCSI destination service；Meanwhile, uranus main frame is installed iSCSI to start Device, and start iSCSI activator services；Then, uranus main frame creates iSCSI multipath interface, and can examine Survey the storage device that collocation is connected by iSCSI multipath；Finally, uranus main frame is installed Multipath, and opens Dynamic multipath service；Meanwhile, uranus main frame is installed KVM, the network profile that editor is corresponding so that virtual Machine can use bridge coil；Enable bridge coil after restarting network service, use iSCSI multipath storage device to install KVM virtual machine.
A kind of virtual method based on iSCSI, it is characterised in that create on uranus main frame Build iSCSI multipath interface, update the configuration of described multipath interface, make them point to the real network interface of main frame, and Confirm that it uses correct network adapter；Meanwhile, check the state of described multipath interface, inquire about its all targets found Node, and log in all of destination node.
A kind of virtual method based on iSCSI, it is characterised in that pacify on uranus main frame Dress Multipath, and start multipath service, inquire about multipath device, editor multipath configuration file from Definition multipath device another name；Then restarting multipath service, multipath device another name obtains and updates.
A kind of virtual method based on iSCSI, it is characterised in that use iSCSI multichannel Footpath storage device installs KVM virtual machine, by Virtual Machine Manager instrument virt-manager, creates a new KVM Virtual machine, selects the described multipath device updating another name as its system disk, selects kvm.
CN201610328558.1A 2016-05-18 2016-05-18 Virtualization method based on iSCSI Pending CN106060013A (en)

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CN107566547A (en) * 2017-09-27 2018-01-09 郑州云海信息技术有限公司 The processing method named when on multiple servers is mapped to for same memory
CN109086099A (en) * 2018-07-25 2018-12-25 浪潮(北京)电子信息产业有限公司 A kind of method, apparatus, equipment and storage medium starting virtual machine
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CN111290915A (en) * 2020-02-13 2020-06-16 苏州浪潮智能科技有限公司 Multipath equipment shielding system, method, equipment and readable storage medium
CN111901399A (en) * 2020-07-08 2020-11-06 苏州浪潮智能科技有限公司 Cloud platform block equipment exception auditing method, device, equipment and storage medium
CN111901399B (en) * 2020-07-08 2022-12-09 苏州浪潮智能科技有限公司 Cloud platform block equipment exception auditing method, device, equipment and storage medium
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Application publication date: 20161026