CentOS6.2にサーバ仮想化ソフトOpenVZをインストール

VPSやレンタルサーバを借りてると、Parallels Virtuozzo（OpenVZの有料版）が使われてる機会が多いので
centos6.2にサーバ仮想化ソフトOpenVZをインストールして試してみました。

まずはopenvzのレポジトリ（openvz.repo）を追加します。

<br /> [root@centos6.2 admin]# cd /etc/yum.repos.d<br /> [root@centos6.2 yum.repos.d]# wget http://download.openvz.org/openvz.repo<br /> –2012-01-18 21:41:28– http://download.openvz.org/openvz.repo<br /> download.openvz.org をDNSに問いあわせています… 64.131.90.11<br /> download.openvz.org|64.131.90.11|:80 に接続しています… 接続しました。<br /> HTTP による接続要求を送信しました、応答を待っています… 200 OK<br /> 長さ: 2205 (2.2K) [text/plain]<br /> `openvz.repo’ に保存中<br /> 100%[======================================================================================================================================================>] 2,205 –.-K/s 時間 0s<br /> 2012-01-18 21:41:28 (376 MB/s) – `openvz.repo’ へ保存完了 [2205/2205]<br /> [root@centos6.2 yum.repos.d]# rpm –import http://download.openvz.org/RPM-GPG-Key-OpenVZ<br />

次にOpenVZ用のカーネルなどを（openvz.repo）からインストール。

<br /> [root@centos6.2 yum.repos.d]# yum install -y vzkernel.x86_64<br /> Loaded plugins: fastestmirror, refresh-packagekit, security<br /> Loading mirror speeds from cached hostfile<br /> * base: ftp.iij.ad.jp<br /> * extras: ftp.iij.ad.jp<br /> * openvz-kernel-rhel6: ftp.iij.ad.jp<br /> * openvz-utils: ftp.iij.ad.jp<br /> * updates: ftp.iij.ad.jp<br /> openvz-kernel-rhel6 | 951 B 00:00<br /> openvz-kernel-rhel6/primary | 2.6 kB 00:00<br /> openvz-kernel-rhel6 8/8<br /> openvz-utils | 1.2 kB 00:00<br /> openvz-utils/primary | 2.6 kB 00:00<br /> openvz-utils 8/8<br /> Setting up Install Process<br /> Resolving Dependencies<br /> –> Running transaction check<br /> —> Package vzkernel.x86_64 0:2.6.32-042stab044.11 will be installed<br /> –> Processing Dependency: virtual-vzkernel-install >= 2.0.0 for package: vzkernel-2.6.32-042stab044.11.x86_64<br /> –> Running transaction check<br /> —> Package vzctl.x86_64 0:3.0.30.2-1 will be installed<br /> –> Processing Dependency: vzctl-lib = 3.0.30.2-1 for package: vzctl-3.0.30.2-1.x86_64<br /> –> Processing Dependency: vzquota >= 2.7.0-4 for package: vzctl-3.0.30.2-1.x86_64<br /> –> Processing Dependency: libvzctl-0.0.3.so()(64bit) for package: vzctl-3.0.30.2-1.x86_64<br /> –> Running transaction check<br /> —> Package vzctl-lib.x86_64 0:3.0.30.2-1 will be installed<br /> —> Package vzquota.x86_64 0:3.0.12-1 will be installed<br /> –> Finished Dependency Resolution</p> <p>Dependencies Resolved</p> <p>================================================================================================================================================================================================<br /> Package Arch Version Repository Size<br /> ================================================================================================================================================================================================<br /> Installing:<br /> vzkernel x86_64 2.6.32-042stab044.11 openvz-kernel-rhel6 25 M<br /> Installing for dependencies:<br /> vzctl x86_64 3.0.30.2-1 openvz-utils 166 k<br /> vzctl-lib x86_64 3.0.30.2-1 openvz-utils 212 k<br /> vzquota x86_64 3.0.12-1 openvz-utils 90 k</p> <p>Transaction Summary<br /> ================================================================================================================================================================================================<br /> Install 4 Package(s)</p> <p>Total download size: 26 M<br /> Installed size: 112 M<br /> Downloading Packages:<br /> (1/4): vzctl-3.0.30.2-1.x86_64.rpm | 166 kB 00:00<br /> (2/4): vzctl-lib-3.0.30.2-1.x86_64.rpm | 212 kB 00:00<br /> (3/4): vzkernel-2.6.32-042stab044.11.x86_64.rpm | 25 MB 00:02<br /> (4/4): vzquota-3.0.12-1.x86_64.rpm | 90 kB 00:00<br /> ————————————————————————————————————————————————————————————————<br /> Total 9.1 MB/s | 26 MB 00:02<br /> Running rpm_check_debug<br /> Running Transaction Test<br /> Transaction Test Succeeded<br /> Running Transaction<br /> Installing : vzctl-lib-3.0.30.2-1.x86_64 1/4<br /> Installing : vzquota-3.0.12-1.x86_64 2/4<br /> Installing : vzctl-3.0.30.2-1.x86_64 3/4<br /> Installing : vzkernel-2.6.32-042stab044.11.x86_64 4/4 </p> <p>Installed:<br /> vzkernel.x86_64 0:2.6.32-042stab044.11 </p> <p>Dependency Installed:<br /> vzctl.x86_64 0:3.0.30.2-1 vzctl-lib.x86_64 0:3.0.30.2-1 vzquota.x86_64 0:3.0.12-1 </p> <p>Complete!<br /> [root@centos6.2 yum.repos.d]#<br />

これでOpenVZ対応のカーネルがインストールされているはずなのでgrub.confを見てみる。

<br /> # grub.conf generated by anaconda<br /> #<br /> # Note that you do not have to rerun grub after making changes to this file<br /> # NOTICE: You have a /boot partition. This means that<br /> # all kernel and initrd paths are relative to /boot/, eg.<br /> # root (hd0,0)<br /> # kernel /vmlinuz-version ro root=/dev/sda3<br /> # initrd /initrd-[generic-]version.img<br /> #boot=/dev/sda<br /> default=0<br /> timeout=5<br /> splashimage=(hd0,0)/grub/splash.xpm.gz<br /> hiddenmenu<br /> title CentOS (2.6.32-042stab044.11)<br /> root (hd0,0)<br /> kernel /vmlinuz-2.6.32-042stab044.11 ro root=UUID=62a38661-a047-4589-82b6-8b04acbc4d35 rd_NO_LUKS rd_NO_MD quiet rhgb KEYBOARDTYPE=pc KEYTABLE=jp106 LANG=ja_JP.UTF-8 rd_NO_LVM rd_NO_DM crashkernel=auto<br /> initrd /initramfs-2.6.32-042stab044.11.img<br /> title CentOS (2.6.32-220.2.1.el6.x86_64)<br /> root (hd0,0)<br /> kernel /vmlinuz-2.6.32-220.2.1.el6.x86_64 ro root=UUID=62a38661-a047-4589-82b6-8b04acbc4d35 rd_NO_LUKS rd_NO_MD quiet rhgb KEYBOARDTYPE=pc KEYTABLE=jp106 LANG=ja_JP.UTF-8 rd_NO_LVM rd_NO_DM crashkernel=auto<br /> initrd /initramfs-2.6.32-220.2.1.el6.x86_64.img<br /> title CentOS (2.6.32-220.el6.x86_64)<br /> root (hd0,0)<br /> kernel /vmlinuz-2.6.32-220.el6.x86_64 ro root=UUID=62a38661-a047-4589-82b6-8b04acbc4d35 rd_NO_LUKS rd_NO_MD quiet rhgb KEYBOARDTYPE=pc KEYTABLE=jp106 LANG=ja_JP.UTF-8 rd_NO_LVM rd_NO_DM<br /> initrd /initramfs-2.6.32-220.el6.x86_64.img<br />

ちゃんと(2.6.32-042stab044.11)になってる、が1/18日に最新版がでていた（2.6.32-042stab044.17）、一応アップデート

<br /> yum upgrade vzkernel.x86_64<br /> Loaded plugins: fastestmirror, refresh-packagekit, security<br /> Loading mirror speeds from cached hostfile<br /> * base: ftp.iij.ad.jp<br /> * extras: ftp.iij.ad.jp<br /> * openvz-kernel-rhel6: ftp.iij.ad.jp<br /> * openvz-utils: ftp.iij.ad.jp<br /> * updates: ftp.iij.ad.jp<br /> Setting up Upgrade Process<br /> Resolving Dependencies<br /> –> Running transaction check<br /> —> Package vzkernel.x86_64 0:2.6.32-042stab044.17 will be installed<br /> –> Finished Dependency Resolution</p> <p>Dependencies Resolved</p> <p>================================================================================================================================================================================================================================================================<br /> Package Arch Version Repository Size<br /> ================================================================================================================================================================================================================================================================<br /> Installing:<br /> vzkernel x86_64 2.6.32-042stab044.17 openvz-kernel-rhel6 25 M</p> <p>Transaction Summary<br /> ================================================================================================================================================================================================================================================================<br /> Install 1 Package(s)</p> <p>Total download size: 25 M<br /> Installed size: 110 M<br /> Is this ok [y/N]: y<br /> Downloading Packages:<br /> vzkernel-2.6.32-042stab044.17.x86_64.rpm | 25 MB 00:02<br /> Running rpm_check_debug<br /> Running Transaction Test<br /> Transaction Test Succeeded<br /> Running Transaction<br /> Installing : vzkernel-2.6.32-042stab044.17.x86_64 1/1 </p> <p>Installed:<br /> vzkernel.x86_64 0:2.6.32-042stab044.17 </p> <p>Complete!<br />