Blog of Khlebalin Dmitriy

(Дорогу осилит идущий…)

Отпуск…

Семимильными шагами приближается, то, что каждый из нас ждет пол года, а то и больше, это — ОТПУСК.

По этому в ближайшие две недели я врят ли буду что то админить и писать блог (предпочитаю принципиально не включать свой ноут в выходные, праздничные дни, ну а во время отпуска тем более). К сожалению в этот отпуск не удастся отбыть в жаркие страны по ряду причин, но все равно событие радостное. Если у кого то будут вопросы, то пишите на почту или в аську, я буду периодически ее просматривать и постараюсь ответить всем страждущим.

112233Всем удачи!

10.07.2009 Posted by | неопознанное | Комментарии к записи Отпуск… отключены

Запуск ESXi сервера с флешки (анг)

ESX Server 3i Installable was released in December 2007 as the counterpart to 3i Embedded which was designed to run from flash memory allowing for the deployment of diskless servers. ESX Server 3i Installable on the other hand does require a hard drive for the install process.

It is possible to copy the install image from the 3i Installable install CD onto a USB flash drive and then run 3i from it. This was originally documented here: http://communities.vmware.com/message/825686. While not supported, it’s great for a test or training server or for a server that does not have a supported disk controller. Once installed, it is possible to connect to an iSCSI or NFS server for storage of your virtual machines. This page documents the process of creating a USB flash drive for this purpose. The procedure is available in a video format as well (avi / flash). If you would rather just install ESXi from a USB flash drive.

Note: this procedure is not supported by VMware for running production servers.

1) You’ll need some software to extract and then copy the image to the flash drive. I’ve used 7-zip and WinImage for this document.

2) Open the 3i Installable CD image (VMware-VMvisor-InstallerCD-3.5.0-67921.i386.iso) with 7-zip and extract the file install.tgz.

3) Open install.tgz with 7-zip and then extract install.tar.

4) Open install.tar with 7-zip and extract the file VMware-VMvisor-big-3.5.0-67921.i386.dd.bz2 from /usr/lib/vmware/installer.

5) Extract the file VMware-VMvisor-big-3.5.0-67921.i386.dd from VMware-VMvisor-big-3.5.0-67921.i386.dd.bz2. This will be the install image that will be copied to the flash drive and it will be 750 MB in size.

6) Open WinImage and select «Restore Virtual Hard Disk image on physical drive…» from the Disk menu. If you are running WinImage on Vista, you’ll want start WinImage as administrator with the «Run as Administrator» option or by using the WinImage (Administrator) program shortcut.

17) Select the USB drive that the image will be restored to.

28) Select the file VMware-VMvisor-big-3.5.0-67921.i386.dd that was extracted in step 5. You will have to select the «All files (*.*)» option to see the image file. Once you select it, you’ll be prompted with the below warning before the copy process starts. The copy should take about 3 minutes.

39) Once you have completed the copy, you should see the following partitions on the USB flash drive.

410) You can now insert the USB drive into your server. The server should support USB boot. In the BIOS you’ll be able to set the server to boot from USB drive and if available, you should also set the BIOS to treat the USB drive as a fixed hard disk.

5When you connect to your host for the first time, you should see the USB Storage Controller, the iSCSI Adapter and the below message if you don’t have any supported storage in your host.

6

10.07.2009 Posted by | vmware & hyper-v Infrastructure | Комментарии к записи Запуск ESXi сервера с флешки (анг) отключены

Сравнение ESX и ESXi (данные официального сайта на англицком).

VMware ESX and ESXi Comparison

Purpose

This article provides a detailed comparison of VMware ESX and VMware ESXi. The article is separated in to capabilities or features and compared at that level.

Resolution

Capability

VMware ESX

VMware ESXi

Service Console Service Console is a standard Linux environment through which a user has privileged access to the VMware ESX kernel. This Linux-based privileged access allows you to highly customize your environment by installing agents and drivers and executing scripts and other Linux-environment code. VMware ESXi is designed to make the server a computing appliance. Accordingly, VMware ESXi behaves more like firmware than traditional software. To provide hardware-like security and reliability, VMware ESXi does not support a privileged access environment like the Service Console of VMware ESX. To enable interaction with agents, VMware has provisioned CIM Providers through which monitoring and management tasks – traditionally done through Service Console agents – can be performed. VMware has provisioned RCLI to allow the execution of scripts.
Remote CLI VMware ESX Service Console has a host CLI command through which VMware ESX can be configured. ESX 3.5 Update 2 supports RCLI. VMware ESX Service Console CLI has been ported to a Remote CLI (RCLI) for VMware ESXi. RCLI is a virtual appliance that interacts with VMware ESXi hosts to enable host configuration through scripts or specific commands.

Note:

  • RCLI is limited to read-only access for the free version of VMware ESXi. To enable full functionality of RCLI on a VMware ESXi host, the host must be licensed with VI Foundation, VI Standard, or VI Enterprise.
  • The VMware Infrastructure toolkit for Windows and the Perl toolkit access ESXi through the same API as RCLI. Similarly, these toolkits are limited to read-only access for the free version of VMware ESXi. When the host is upgraded to VI Foundation, VI Standard, or VI Enterprise, these toolkits have write-access and provide a scriptable method for managing ESXi hosts.
  • The following Service Console CLI commands have not been implemented in RCLI:
    • ESXcfg-info
    • ESXcfg-resgrp
    • ESXcfg-swiscsi
Scriptable Installation VMware ESX supports scriptable installations through utilities like KickStart. VMware ESXi Installable does not support scriptable installations in the manner ESX does, at this time. VMware ESXi does provide support for post installation configuration script using RCLI-based configuration scripts.
Boot from SAN VMware ESX supports boot from SAN. Booting from SAN requires one dedicated LUN per server. VMware ESXi may be deployed as an embedded hypervisor or installed on a hard disk.

In most enterprise settings, VMware ESXi is deployed as an embedded hypervisor directly on the server. This operational model does not require any local storage and no SAN booting is required because the hypervisor image is directly on the server.

The installable version of VMware ESXi does not support booting from SAN.

Serial Cable Connectivity VMware ESX supports interaction through direct-attached serial cable to the VMware ESX host. VMware ESXi does not support interaction through direct-attached serial cable to the VMware ESXi host at this time.
SNMP VMware ESX supports SNMP. VMware ESXi supports SNMP when licensed to a VI Foundation, VI Standard, or VI Enterprise edition. The free version of VMware ESXi does not support SNMP.
Active Directory Integration VMware ESX supports Active Directory integration through third-party agents installed on the Service Console. VMware ESXi with a Virtual Infrastructure license and in conjunction with VirtualCenter allows users to be authenticated via Active Directory. In this configuration, users can log in directly to an ESXi host and authenticate using a local username and password.

The free version of VMware ESXi does not support Active Directory integration at this time.

HW Instrumentation Service Console agents provide a range of HW instrumentation on VMware ESX. VMware ESXi provides HW instrumentation through CIM Providers. Standards-based CIM Providers are distributed with all versions of VMware ESXi. VMware partners may inject their own proprietary CIM Providers in customized versions of VMware ESXi. To obtain a customized version of VMware ESXi, you typically have to purchase a server with embedded VMware ESXi through a server vendor.

At this time, HP also offers its customized VMware ESXi Installable on www.vmware.com. Dell, IBM, and FSC will soon offer their customized version of VMware ESXi on www.vmware.com.

Remote console applications like Dell DRAC, HP iLO, IBM RSA, and FSC iRMC S2 are supported with ESXi.

Note: COS agents have a longer lineage than CIM Providers and are therefore more mature. VMware is actively working with its 250+ partners to close the CIM Provider–Service Console agent gap.

Software Patches and Updates VMware ESX software patches and upgrades behave like traditional Linux based patches and upgrades. The installation of a software patch or upgrade may require multiple system boots as the patch or upgrade may have dependencies on previous patches or upgrades. VMware ESXi patches and updates behave like firmware patches and updates. Any given patch or update is all-inclusive of previous patches and updates. That is, installing patch version “n” includes all updates included in patch versions n-1, n-2, and so forth.
VI Web Access VMware ESX supports managing your virtual machines through VI Web Access. You can use the VI Web Access to connect directly to the ESX host or to the VMware Infrastructure Client. VMware ESXi does not support web access at this time.
Licensing VMware ESX hosts can be licensed as part of a VMware Infrastructure 3 Foundation, Standard, or Enterprise suite. VMware ESXi hosts can be individually licensed (for free) or licensed as part of a VMware Infrastructure 3 Foundation, Standard, or Enterprise suite.

Individually licensed ESXi hosts offer a subset of management capabilities (see SNMP and Remote CLI).

ESXi – Free License

(ESX not available without VI)

VI Foundation

(with ESX or ESXi)

VI Standard

(with ESX or ESXi)

VI Enterprise

(with ESX or ESXi)

Core hypervisor functionality

Yes

Yes

Yes

Yes

Virtual SMP

Yes

Yes

Yes

Yes

VMFS

Yes

Yes

Yes

Yes

VirtualCenter Agent

Yes

Yes

Yes

Update Manager

Yes

Yes

Yes

Consolidated Backup

Yes

Yes

Yes

High Availability

Yes

Yes

VMotion

Yes

Storage VMotion

Yes

DRS

Yes

DPM

Yes

10.07.2009 Posted by | vmware & hyper-v Infrastructure | Комментарии к записи Сравнение ESX и ESXi (данные официального сайта на англицком). отключены