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Ê×ÏÈ£¬ÎÒÃÇÐèҪװÖÃÒ»¸ö¿É¿¿µÄÐéÄ⻯Èí¼þ£¬ÈçKVM (Kernel-based Virtual Machine)¡£ÔÚ´ó´ó¶¼Linux¿¯ÐаæÖУ¬KVMÒѾ­°üÀ¨ÔÚÄÚºËÖУ¬Òò´ËÎÒÃÇÖ»Ðè×°ÖÃһЩÌØÁíÍâÈí¼þ°ü¼´¿É¡£ÒÔÏÂÊÇÔÚ³£¼ûµÄDebianºÍRed HatϵÁп¯ÐаæÖÐ×°ÖÃKVMµÄÏÂÁ

DebianϵÁУº

$ sudo apt-get install qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager

Red HatϵÁУº

$ sudo yum install qemu-kvm libvirt bridge-utils virt-manager

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ÔÚ×°ÖÃÍê³ÉKVMºó£¬ÎÒÃÇ¿ÉÒÔʹÓÃvirt-managerÀ´½¨ÉèºÍÖÎÀíÐéÄâ»ú¡£·­¿ªÖնˣ¬ÔËÐÐÒÔÏÂÏÂÁîÒÔÆô¶¯virt-manager£º

$ sudo virt-manager

ÔÚvirt-managerµÄ½çÃæÖУ¬ÎÒÃÇ¿ÉÒÔͨ¹ýµã»÷”Create a new virtual machine”À´½¨ÉèеÄÐéÄâ»ú¡£Æ¾Ö¤ÐèÒª£¬ÉèÖÃÐéÄâ»úµÄÃû³Æ¡¢ÄÚ´æ¾Þϸ¡¢Ó²Å̾ÞϸµÈ²ÎÊý¡£

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ҪʵÏָ߿ÉÓÃÐÔ£¬ÎÒÃÇÐèÒªÉèÖù²Ïí´æ´¢£¬Ê¹µÃÐéÄâÐÔÄܹ»ÔÚ¶ą̀ÎïÀíЧÀÍÆ÷Ö®¼äǨáã¡£Õâ¿ÉÒÔͨ¹ýʹÓÃiSCSI£¨Internet Small Computer System Interface£©ÊµÏÖ¡£ÒÔÏÂÊÇһЩ³£¼ûµÄiSCSIЧÀÍÆ÷Èí¼þµÄ×°ÖÃÏÂÁ

DebianϵÁУº

$ sudo apt-get install targetcli

Red HatϵÁУº

$ sudo yum install targetcli

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$ sudo targetcli

/> backstores/block create storage /dev/sdb

/> iscsi/ create iqn.2020-01.com.example:storage

/> iscsi/iqn.2020-01.com.example:storage/tpg1/luns create /backstores/block/storage

/> exit

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ÔÚ±¾Ê¾ÀýÖУ¬ÎÒÃǽ«Ê¹ÓÃPacemakerºÍCorosyncÀ´ÊµÏָ߿ÉÓÃÐÔ¡£PacemakerÊÇÒ»¸ö¿ªÔ´µÄ¼¯ÈºÖÎÀí¹¤¾ß£¬CorosyncÓÃÓÚÔÚ¼¯ÈºÖоÙÐÐͨѶ¡£ÒÔÏÂÊÇÔÚDebianºÍRed HatϵÁп¯ÐаæÖÐ×°ÖÃÕâЩÈí¼þµÄÏÂÁ

DebianϵÁУº

$ sudo apt-get install pacemaker corosync fence-agents

Red HatϵÁУº

$ sudo yum install pacemaker corosync fence-agents

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$ sudo crm configure

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crm(live)# primitive virtual-ip ocf:heartbeat:IPaddr2 params ip=”192.168.0.100″ cidr_netmask=”24″ nic=”eth0″ op monitor interval=”30s”

crm(live)# primitive virtual-machine ocf:pacemaker:VirtualDomain params hypervisor=”qemu:///system” config=”/etc/libvirt/qemu/some_guest.xml” op monitor interval=”30s”

crm(live)# group vm-group virtual-ip virtual-machine

crm(live)# commit

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ΪÁ˲âÊԸ߿ÉÓÃÐÔ£¬ÎÒÃÇÐèÒªÊÖ¶¯¹Ø±ÕÄ¿½ñÔËÐÐÐéÄâ»úµÄÎïÀíЧÀÍÆ÷¡£ÔÚÁíһ̨ÊÂÇéÕý³£µÄЧÀÍÆ÷ÉÏ£¬ÎÒÃÇÓ¦¸Ã¿´µ½ÐéÄâ»úÀֳɵØǨá㵽еĽڵ㲢¼ÌÐøÔËÐС£ÒÔÏÂÊÇÔÚÖÕ¶ËÉϾÙÐвâÊÔµÄÏÂÁ

$ sudo virsh destroy some_guest

$ sudo virsh undefine some_guest

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$ sudo crm status

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https://www.debian.org/

https://www.redhat.com/

https://help.ubuntu.com/community/KVM

https://www.linux-kvm.org/page/Main_Page

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