kvm イメージを vagrant box ã«å¤‰æ›ã™ã‚‹æ‰‹é † : sonots:blog
RHEL7/CentOS7ã®Linux KVMリソース割り当ã¦æ©Ÿèƒ½ - ã‚ã‚‚ã‚ã‚‚
RHEL7/CentOS7ã§ã¯ã€virshコマンドã‹ã‚‰ä»®æƒ³ãƒžã‚·ãƒ³ã«å¯¾ã™ã‚‹ãƒªã‚½ãƒ¼ã‚¹å‰²ã‚Šå½“ã¦ã‚’制御ã§ãるよã†ã«ãªã£ã¦ã„ã¾ã™ã®ã§ã€ãã®ã‚ãŸã‚Šã‚’説明ã—ã¾ã™ã€‚ CPU Pinning 仮想マシンã«å‰²ã‚Šå½“ã¦ãŸä»®æƒ³CPUã”ã¨ã«ã€ãã®ä»®æƒ³CPUãŒä½¿ç”¨ã™ã‚‹ç‰©ç†ã‚³ã‚¢ï¼ˆãã®ä»®æƒ³CPUã®å‡¦ç†ã«å‰²ã‚Šå½“ã¦ã‚‰ã‚Œã‚‹ç‰©ç†ã‚³ã‚¢ï¼‰ã‚’制é™ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ ãŸã¨ãˆã°ã€ç‰©ç†4コアã®ç’°å¢ƒã§ã€ä»®æƒ³CPUã‚’2個割り当ã¦ãŸä»®æƒ³ãƒžã‚·ãƒ³ã€Œvm01ã€ã‚’作æˆã—ã¾ã™ã€‚デフォルトã§ã¯ã€ã™ã¹ã¦ã®ä»®æƒ³CPUã¯ã€ã™ã¹ã¦ã®ç‰©ç†ã‚³ã‚¢ã‚’使用ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ # virsh vcpuinfo vm01 VCPU: 0 CPU: 0 状態: å®Ÿè¡Œä¸ CPU 時間: 24.2s CPU アフィニティー: yyyy VCPU: 1 CPU: 3 状態: å®Ÿè¡Œä¸ CPU 時間: 5.8s CPU アフィニティー: yyyy上記ã®ã€ŒCPUアフィニティーã€ãŒã€4個ã®ç‰©ç†
QEMU Advent Calendar 2020
An amazing QEMU disk image every day! Brightening your days in the winter holiday season. The advent calendar is closed during the summer. Please check back in the winter holiday season. About The QEMU Advent Calendar features a QEMU disk image each day of December until the 24th. Each day a new package becomes available for download. Every download contains a little 'run' shell script that starts
[覚書]ウゼーよKSM。KVM(Kernel-based Virtual Machine)を使ã†ã¨ãƒžã‚¦ã‚¹ãŒã‚«ã‚¯ã‚«ã‚¯ã—ã¦ä¸å¿«ã®å¯¾ç–
仮想環境ã¯é–‹ç™ºã§ã¨ã¦ã‚‚å½¹ã«ç«‹ã¤ã‚“ã ãŒã€ãã®ä¸ã®KVMã¯Linux本体ã¨å¼·å›ºã«çµã³ã¤ã„ã¦ã„ã‚‹ã®ãŒåŽŸå› ãªã®ã‹ç´°ã‹ã„å•é¡Œã‚’èµ·ã“ã—ãŒã¡ã§ã€ã„ã¤ã®é–“ã«ã‹ä½¿ã†ã®ã‚’ã‚„ã‚ã¦ã—ã¾ã†ã€‚ãã‚Œã§ã‚‚ä»–ã«ã“ã‚Œã¨ã„ã£ã¦é¸æŠžã—ãŒãªã„ã®ã§å¿˜ã‚ŒãŸé ƒã«ä½¿ã„ã ã™ã€‚SELinuxã¿ãŸã„ã 。ãã—ã¦ä½¿ã„出ã™ã¨ãƒˆãƒ©ãƒ–ルる。デスクトップã®å‹•ä½œãŒæ¸‹ããªã£ã¦ã‚ーもã†ï½— ãã‚ŒãŒä½•ãªã®ã‹ãƒ”ンã¨ãã¦ã„ãªã‹ã£ãŸã‚“ã ãŒã€KVMを使ã„出ã™ã¨ãƒžã‚¦ã‚¹ãƒã‚¤ãƒ³ã‚¿ã®å‹•ä½œãŒãŽãã—ゃãã—ã ã™ã“ã¨ã«ã‚„ã£ã¨æ°—付ã„ãŸï¼ˆæ¸©ã„ãªã‚）。 ã§topを実行ã™ã‚‹ã¨ã€ã‹ãã‹ãã—ã¦ã„ã‚‹ã¨ãã¯ãŸã„ã¦ã„KSMãŒCPU USAGEã§30%以上ã«ãªã£ã¦ã„る。 é…ããªã‚‹ãらã„ãªã‚‰KSMãªã‚“ã¦æŸå›½ã®ãƒ—レジデント。ã•ã£ã•ã¨é€€é™£ã—ã¦ã‚‚らã„ã¾ã—ょã†ã¨ã„ã†ã‚ã‘㧠sudo service ksm stop[Enter] ã§çµ‚ã„。 追記 ãã‚Œã§ã‚‚改善ã—ãªã„（æ¢ã¾ã‚‰ãªã„）ã¨ãã«ã¯â€¦ sudo echo 2 > /
![[覚書]ウゼーよKSM。KVM(Kernel-based Virtual Machine)を使ã†ã¨ãƒžã‚¦ã‚¹ãŒã‚«ã‚¯ã‚«ã‚¯ã—ã¦ä¸å¿«ã®å¯¾ç–](https://cdn-ak-scissors.b.st-hatena.com/image/square/8d71ff5111e05619a10d29bb40d7aebaa75c8fbc/height=288;version=1;width=512/https%3A%2F%2Fs0.wp.com%2Fi%2Fblank.jpg)
Linux kvm guest freeze under Debian · Free your process models with LIBPF®!
Linux kvm guest freeze under Debian If you run uniprocessor Linux guests using kvm virtualization under Linux Debian as host, you may hit the issue with kvm-clock clocksource causing freezes described here and here. The issue is difficult to track down; search engines do not help with the most obvious query “kvm linux guest freezeâ€; the actual bugs cited above are filed with redhat bugzilla and no
KVM guest io is much slower than host io: is that normal?
I have a Qemu-KVM host system setup on CentOS 6.3. Four 1TB SATA HDDs working in Software RAID10. Guest CentOS 6.3 is installed on separate LVM. People say that they see guest performance almost equal to host performance, but I don't see that. My i/o tests are showing 30-70% slower performance on guest than on host system. I tried to change scheduler (set elevator=deadline on host and elevator=noo
kkaneko.com
kkaneko.com 2024 著作権. ä¸è¨±è¤‡è£½ プライãƒã‚·ãƒ¼ãƒãƒªã‚·ãƒ¼
Plamo Linux 5.1 㧠vagrant 㯠vagrant-kvm ã®æ–¹ãŒæ¥½ã ã£ãŸ - TenForward
(2014-01-15 追記) Vagrant 1.4 ç³»ã ã¨ã¾ã vagrant-kvm ã¯ã¡ã‚ƒã‚“ã¨å‹•ã‹ãªã„よã†ã§ã™ï¼Žã”å‚考 ã•ã£ã『Plamo Linux 5.1 㧠vagrant ã‚’ Libvirt Provider 経由ã§ä½¿ã† - TenForwardã®æ—¥è¨˜ã€ã£ã¦æ›¸ã„ãŸã°ã£ã‹ã‚Šãªã®ã«ï¼Œæ¬¡ã¯ vagrant-kvm ã£ã¦ã®è©¦ã—ã¦ã¿ã‚ˆã†ã‹ã¨æ€ã£ã¦è©¦ã—ã¦ã¿ãŸã‚‰ï¼Œã“ã£ã¡ã®æ–¹ãŒæ–然楽ã ã£ãŸã®ã§ï¼ŒPlamo ã§ã‚„ã‚‹ã¨ãã¯ã“ã£ã¡ã§ã—ょã†!! åå‰ã‹ã‚‰ã¦ã£ãã‚Š libvirt 使ã‚ãªã„ã®ã‹ã¨æ€ã£ãŸã‚‰ã—ã£ã‹ã‚Šä½¿ã„ã¾ã™ ã¾ãšï¼Œvagrant-libvirt より良ã„点． netcat ã®ç½®ãæ›ãˆä¸è¦ Plamo ã®æ¨™æº–çš„ãªä½¿ã„æ–¹ã ã¨ä½•ã‚‚ã›ãšã« VM èµ·å‹• VirtualBox 用ã«ä½œã‚‰ã‚ŒãŸ box ãŒä½¿ãˆã‚‹ 悪ã„点． VM起動時ã«å…±æœ‰ãƒ•ã‚©ãƒ«ãƒ€ã‚’è¨å®šã—よã†ã¨ã™ã‚‹ã‘ã© Plamo ã˜ã‚ƒæœŸå¾…ã™ã‚‹å‹•ä½œã‚’ã—ãª
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Linux KVM
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Mac ã§ä»®æƒ³ãƒžã‚·ãƒ³ã®å…¥ã‚Œå (Nested Virtualization) ã‚’ã™ã‚‹
仮想マシンã®ä¸Šã§æ›´ã«ä»®æƒ³ãƒžã‚·ãƒ³ã‚’å‹•ã‹ã™ã“ã¨ã‚’ Nested Virtualization ã¨ã‹ Nested VM ã¨å‘¼ã¶ã¿ãŸã„。よã†ã™ã‚‹ã«ä»®æƒ³ãƒžã‚·ãƒ³ã®ãƒžãƒˆãƒªãƒ§ãƒ¼ã‚·ã‚«çŠ¶æ…‹ã€‚ã“ã‚ŒãŒã§ãã‚‹ã¨ãƒ†ã‚¹ãƒˆãŒã¯ã‹ã©ã£ãŸã‚Šã™ã‚‹å ´é¢ã‚‚ã‚ã£ãŸã‚Šãªã‹ã£ãŸã‚Šã™ã‚‹ã‚ã‘ã§ã™ã€‚ 今回ã¯ãƒ›ã‚¹ãƒˆ OS ã® Mac 上ã§ã‚²ã‚¹ãƒˆ OS ã¨ã—㦠Linux ã‚’å‹•ã‹ã—ã¦ã€æ›´ã«ãã® Linux 上㧠KVM を使ã£ã¦ Linux を動作ã•ã›ã‚‹ã“ã¨ã‚’目指ã—ã¦ã¿ã‚‹ã€‚ã¤ã¾ã‚Šã“ã†ã„ã†ã“㨠→ Linux / (KVM) / Linux / (Hypervisor) / OSX å‰æã¨ã—㦠OSX ãŒå‹•ä½œã—ã¦ã„ã‚‹ Mac ã® CPU ㌠Intel-VT/EPT ã‚‚ã—ã㯠AMD-V/RVI ã«å¯¾å¿œã—ã¦ã„ã‚‹å¿…è¦ãŒã‚る。更ã«ã€ã‚²ã‚¹ãƒˆ OS 上㧠KVM ãŒå‹•ä½œã™ã‚‹ã«ã¯ Intel-VT ã‚‚ã—ã㯠AMD-V ãŒæœ‰åŠ¹ã«ãªã£ã¦ã„ã‚‹å¿…è¦ãŒã‚る。
CentOS6.3ã«KVMをインストールã™ã‚‹ãƒ¡ãƒ¢ : olificeã®blog
2012å¹´10月18æ—¥03:29 カテゴリCentOSKVM CentOS6.3ã«KVMをインストールã™ã‚‹ãƒ¡ãƒ¢ CentOS6.3ã§KVMをインストールã—ãŸã¨ãã®ãƒ¡ãƒ¢ã€‚ 最åˆã«ãƒžã‚·ãƒ³ã®CPUãŒä»®æƒ³åŒ–ã«å¯¾å¿œåŒ–ã—ã¦ã„ã‚‹ã‹ã¯BIOSè¨å®šç”»é¢ã‹ã‚‰ç¢ºèªã—ã¦ãŠã。 対応ã—ã¦ã„ã‚Œã°KVMãŒåˆ©ç”¨å¯èƒ½ã€‚ OSã‹ã‚‰ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹å ´åˆã¯CentOSã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ãƒ‘ッケージé¸æŠžã®ç”»é¢ã§Virtual Hostã‚’é¸æŠžã—ã¦ãŠã。 æ—¢ã«CentOSãŒã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã•ã‚Œã¦ã„る環境ãªã‚‰yumã‹ã‚‰ã‚°ãƒ«ãƒ¼ãƒ—インストールã§ãƒ‘ッケージをã¾ã¨ã‚ã¦ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã™ã‚‹ã€‚ yum groupinstall Virtualization "Virtualization Client" \ "Virtualization Platform" "Virtualization Tools" chkconfigã‚’onã«ã—ã¦è‡ªå‹•èµ·å‹•ã™ã‚‹ã‚ˆã†ã«ã—ã¦ãŠã。
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http://linux.ioerror.us/2013/01/kvm-guest-time-shift-on-host-reboot/
IBM Developer
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http://georgik.sinusgear.com/2013/05/29/solution-kvm-guest-io-very-slow/
GitHub - sciurus/vagrant-mutate: Convert vagrant boxes to work with different providers
libvirt
Bug #910062 “vncviewer crashes when connecting to qemu-kvm vnc s...†: Bugs : vnc4 package : Ubuntu
Best practice: If you cannot use the Deadline I/O scheduler, configure the CFQ I/O scheduler
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