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Parallels Virtuozzo Containers Best Practices

Parallels Virtuozzo Containers Best Practices. Alec Istomin, Sr. Sales Engineer. Agenda. Optimize your Virtuozzo infrastructure New Virtuozzo Server Provisioning Best Practices Take Control of Resources Utilization Q & A. Optimize the Virtuozzo infrastructure.

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Parallels Virtuozzo Containers Best Practices

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  1. Parallels Virtuozzo Containers Best Practices Alec Istomin, Sr. Sales Engineer

  2. Agenda • Optimize your Virtuozzo infrastructure • New Virtuozzo Server Provisioning Best Practices • Take Control of Resources Utilization • Q & A

  3. Optimize the Virtuozzo infrastructure • Configure Virtuozzo and PIM defaults • Create Container Samples: Resources (SLM), Network Settings, Templates • Create Virtual Networks • Create IP Address Pool • Create Infrastructure and Logical Folders • Connect to your AD Domain • Create and Assign Security Roles • Configure Global Backup Defaults:Storage Location, Type (Incremental) • Schedule Periodic Backups

  4. Optimize the Virtuozzo infrastructure • Linux: Maintain Local Repositories for EZ Templates • Create Linux Distributions Mirrors: createrepo, vzcreaterepo, vzpkgproxy, vzrhnproxy • Create Custom Packages Repository: createrepo • Keep Local Repositories up2date: rsync, createrepo • Configure EZ Templates: /etc/vztt/url.map, repositories, mirrorlist • Configure yum on Virtuozzo Hosts • Maintain Local Virtuozzo updates repository • Create in a Container: vzup2date-mirror, VUS (Windows) • Keep up2date • Manual Approval is Possible: <ApproveSystemUpdate> (Linux),VUS Manager GUI • Configure on Virtuozzo Hosts: vzup2date.conf (Linux), registry or GUI

  5. Optimize the Virtuozzo infrastructure • Enable scripting across environment • Linux: Use scripting over ssh: .ssh/authorized_keys2 • Windows: Use psexec.exe from Sysinternals • Maintain the text file with Server IP addresses • Run scripts on EVERY Server from a single location • Example: one-liner to install Virtuozzo updates on ALL servers: • for i in `cat /root/servers.txt `; do ssh $i "hostname;vzup2date -m batch install --self-update --loader-autoconfig"; done • for /F "usebackq" %i in (`cmd /c "more servers.txt"`) do psexec \\%i cmd /c "hostname &vzupdate /unattended"

  6. New Virtuozzo Server Provisioning Best Practices • Unattended Virtuozzo Installation • ./install -a -o --skip-reboot -k smp --lic-key XXXXXX-YYYYYY-XXXXXX-YYYYYY-XXXXXX • virtuozzo4.0_x64.exe /L"1033" /V" VZAUTOINSTALL=1 VZ=D:\vz /qr /lv C:\virtuozzo-install.log" • Unattended Virtuozzo Updates Installation • Configure Virtuozzo to use Local Virtuozzo updates repository • vzup2date -m batch install --self-update --loader-autoconfig • vzupdate.exe /unattended

  7. New Virtuozzo Server Provisioning Best Practices Scripting Virtuozzo Post Configuration • Install Virtuozzo license: vzlicload –p XXXX-YYYY-XXXX-YYYY-XXXX • Virtual networks configuration: vznetcfg • Configure container backup defaults, ie location: vzabackup --set-folder /vz/backups/ localhost Linux • Configure EZ Templates to use Local packages repository: /etc/vztt/url.map • Copy Templates metadata from an existing ‘Master’ Server: tar cfpP - /vz/template/*/*/*/config | (ssh newserver.com tar xfpv - -C /) • Cache Templates to ensure that repositories are configured properly: vzpkg create cache Windows • Copy and Deploy cached Templates net use z: \\masterserver.com\d$\vz\templates\__cache copy /y "z:\*.efd" "%VZROOT%\templates\__cache" for /F "usebackq tokens=1" %i in (`cmd /c "vzpkgls"`) do vzpkgdeploy -i %i 2>nul

  8. Take Control of Resources Utilization • Monitor your Hardware, Learn Your Peaks and Bottlenecks • PIM - Parallels Infrastructure Manager, will be renamed to PVA (Parallels Virtualization Automation) • perfmon: Virtuozzo object in Windows Performance Counters • vmstat • vzstat • vzslmutilization.sh • /proc/user_beancounters • http://cacti.net/ • Is it CPU, Disk, Network or Memory ?

  9. Take Control of Resources Utilization Start from bird’s eye view in PIM

  10. Take Control of Resources Utilization • Inspect a Physical server with high utilization • vztop; vzps axfw -E; vzstat; vmstat; vzslmutilization.sh • taskmgr.exe; perfmon.exe • vzlist -o all • Inspect an Abusing Container • vzps axfw –E CTID • Analyze Processes inside Container • strace; ltrace; lsof • Sysinternals: procexp.exe; handle.exe • Can you tell if it’s an Application Malfunction?

  11. Take Control of Resources Utilization Tune the Application Move (temporary?) to Faster Hardware Tune Virtuozzo Resource Parameters • CPU • CPUUNITS • CPULIMIT • CPUS • Disk • IOPRIO • Network • Shaping

  12. Q & A Thank You!

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