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楼主 |
发表于 2018-12-8 17:56:58
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virsh start vm1368544020451:
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error: Failed to start domain vm13685440204511 V3 h. |+ j7 H
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error: internal error process exited while connecting to monitor: kvm: -drive file=/dev/sp1368155439693/v1368544020461,if=none,id=drive-virtio-disk0,format=qcow2: could not open disk image /dev/sp1368155439693/v1368544020461: Invalid argument8 {, o. V" |0 F7 j
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镜像格式错误，用qemu-img info 检查镜像和xml配置文件中指定的type是否一致。
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! T5 ~/ u% _6 P5 K' T3 Yerror: Failed to start domain vm0
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3 o! x* [) J# A1 [error: internal error process exited while connecting to monitor: Could not access KVM kernel module: No such file or directory0 i/ x4 `* M# U8 W% W& Q
failed to initialize KVM: No such file or directory) b8 D( m! R6 A" m# g% l. d
No accelerator found!
# l8 Y% N7 x1 E1 W$ Q( {$ C( P; D: d上面的提示信息就是因为QEMU在初始化阶段因为无法找到kvm内核模块。1 k! x% {, {( N) _
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sudo modprobe kvm #载入指定的模块( P! N' @( e5 s1 n: P. L) q
6 z) X* D) W$ e/ I9 [重启电脑，进入bios界面，设置advance选项里面的virtualization标签为Enabled: x, S1 k3 E1 A1 z
" M; s a; q4 w% @通过命令 lsmod | grep kvm #显示已载入的模块
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虚拟机迁移：1 \$ d4 D$ L+ j [: N, c& a9 K
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# virsh migrate --live 1 qemu+tcp://192.168.0.121 --p2p --tunnelled --unsafe * ~( w9 D4 x4 q4 @
error: operation failed: Failed to connect to remote libvirt URI qemu+tcp://192.168.0.121（在URI后面加上/system，‘system’相当于root用户的访问权限)
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% n6 U4 o$ p4 M#virsh migrate --live 2 qemu+tcp://192.168.0.121/system --p2p --tunnelled
0 C6 s6 r$ ]+ B. L error: Unsafe migration: Migration may lead to data corruption if disks use cache != none（加上--unsafe参数） a. r* w# p" N9 |- R; | r; k. p
: B2 F1 P2 G Y8 C#virsh migrate --live 2 qemu+tcp://192.168.0.121/system --p2p --tunnelled --unsafe
2 E {7 y1 r5 z# @1 ?/ Q4 rerror: Timed out during operation: cannot acquire state change lock (启动虚拟机有时也会遇此错误）,需要重启libvirtd进程& A6 D: F* a/ H! _
2 x$ f" Q$ ]% X8 o7 ]virsh：
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error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Connection refused(libvirtd 进程没有启动，libvirtd是一个监听客户端请求的进程）
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$ virsh -c qemu:///system list0 R2 f; @, A6 F- ^: s+ C
error: Failed to connect socket to '/var/run/libvirt/libvirt-sock': Permission denied$ U- } `4 z* r' [: B- T8 ^! Q) t1 ~
error: failed to connect to the hypervisor& [' e2 K1 @% T8 f' R. H
8 y* |9 }6 A r; E% Q（当前用户没有权限，修改/etc/libvirt/libvirtd.conf,unix_sock_rw_perms = 0777,使所有用户都有权限读写）
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启动libvirtd进程出错：5 b& Z R9 r# s6 c2 A0 ?
! P6 T! p: q1 U7 D7 a- U /usr/local/sbin/libvirtd -d -l --config /usr/local/etc/libvirt/libvirtd.conf （编译安装的启动方式）
2 t2 v: Z5 w9 ?2 C* qerror：/usr/local/sbin/libvirtd: initialization failed
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6 C t5 E z. e, o7 L9 D) {/ Btry to install libpcap-devel RPM and rebuild libvirt http://comments.gmane.org/gmane.comp.emulators.libvirt/58218
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$ y0 _5 G5 {$ ?" h4 gapt-get install libpcap-dev
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上面的方法好像都没有效果，但是尝试了http://wiki.libvirt.org/page/The_daemon_cannot_be_started说的，把配置文件里的
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listen_tls = 0注释取消（更奇怪的问题，在我的客户端链接不对）7 M. g/ K) o. K& C2 r( g
% y% s1 }- \$ ?4 \1 E7 T. x$ E: O' h启动虚拟机：Connection reset by peer2 |) V( K7 F; l+ r r
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virsh start vm1355991767186
: G4 L! ]& H- Yerror: Failed to start domain vm1355991767186/ |0 o# M3 N" v+ {* `, q+ `% p
error: Unable to read from monitor: Connection reset by peer
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还有可能是这样提示：
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error: internal error process exited while connecting to monitor: Failed to allocate 16332619776 B: Cannot allocate memory% h# E7 Y. L' i7 t: d9 M
. |- W# a& y1 A8 p) i2 E* x这个问题可能是因为为VM分配的内存过大（甚至超过的物理主机的内存大小）
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; j: @# D, `% Y9 P1 zUnable to load library 'virt': libvirt.so: cannot open shared object file: No such file or directory
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) [" e. i0 `7 @, z4 W" U6 Jlinux 环境：
0 | w4 k9 r/ t+ l7 y5 N) p a ln -s /usr/lib/libvirt.so.0 /usr/lib/libvirt.so
# f: }- v7 b' d8 B5 m0 V/ X5 Gwindows 环境
! z6 q' `# o3 j$ {3 Y8 i 将libvirt-0.dll改名为virt.dll
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# virsh undefine vm1354695894990$ a) _7 n6 @0 c' E- ]3 ?& G, P) _
error: Refusing to undefine while domain managed save image exists' R2 z$ I) l1 K, b6 M. C ~4 c
3 N; @1 | |4 b+ j8 U9 Fhttp://www.redhat.com/archives/l ... -July/msg01219.html4 o( x8 D! x8 @5 T' r8 {" M8 G
0 o: A+ q) y1 m managedsave
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解决办法：virsh undefine $domain --managed-save
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$ ~. v: B G* o/ E# l" d: e在centos下面Define虚拟机时，确实没有/usr/bin/kvm，加软链接
7 X9 L+ {+ V# x3 A: w. Kerror: Failed to define domain from xxx.xml
2 C' g( O; e# B/ uerror: Cannot find QEMU binary /usr/bin/kvm: No such file or directory
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$ r% Y, {3 Q! s. ^解决办法：ln -s /usr/libexec/qemu-kvm /usr/bin/kvm% N6 h- F& J# ]8 J
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发表于 2018-12-2 00:02:38