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Step by step install RHEL5.5x86 _ 64-based Oracle10gR2 dual-node RAC in VirtualBox4.1.6

1. For details about how to configure the single-instance Environment, refer to renew. 1. Configure the single-instance EnvironmentReference: http://www.linuxidc.com/Linux/2012-02/53042.htm 2. Configure domain name resolutionVim/etc/hosts127.0.0.1 localhost. localdomain localhost192.168.2.101 rac1.localdomain rac1192.168.2.102 rac2.localdomain rac2192.168.0.101 rac1-priv.localdomain rac1-priv192.168.0.102 rac2-priv.localdomain rac2-priv192.168.2.111 rac1-vip.localdomain rac1-vip192.168.2.112 rac

Citrix xenapp/xendesktop version is selected correctly

/xad-whats-new/ Cumulative-update-4.html There are a few things to note when using LTSR: LTSR is a generic term that has strict restrictions on many of the components in Citrix Xenapp/xendesktop, so in a production environment, do not assemble individual components at will, unless necessary. http://docs.citrix.com/en-us/xenapp-and-xendesktop/7-6-long-term-service-release/xad-whats-new/ long-term-servi

Installing Ubuntu Server 16.04 under VirtualBox

website, link is: http://www.ubuntu.org.cn/server;This installation selects the version of 16.04.Then on the official website of VirtualBox download installs the virtual machine, may according to the computer system different choice suitable version installs, the link is: https://www.virtualbox.org; the version selected for this installation is the version of 5.1.2 under Windows.Configuration steps for VirtualBox:After downloading and installing the VirtualBox, you can use the virtual machine t

Tutorial on creating a RAC test environment shared storage design in VirtualBox

Some friends want to use the VirtualBox tool to build a RAC test environment and share the storage division on their personal computers, but they do not know how to use the RAC test environment, the following section describes how to use VirtualBox to build a RAC test environment and share the storage design process. The process is as follows: 1. Use the vboxmanage.exe tool in virtualboxto create a disk. This tool can be found in the VirtualBox installation directory. # VBoxManage.exe createh

Udev SCSI rules configuration in Oracle Linux

Disk Use the virtualbox command to create the image. Shut down the VM before creating the VM. 1.1.1 create a shared directory sharedisk: F: \ vbox \ sharedisk 1.1.2 create virtual Media C: \ Users \ administrator. David Dai> CDF: \ vbox \ sharedisk C: \ Users \ administrator. David Dai> F: F: \ vbox \ sharedisk> vboxmanage createhd -- filename asm01.vdi -- size 5120 -- format VDI -- variant fixed 0%...

Oracle 12c RAC installation ACFS file System tutorial

This article describes how to build a Acfs file system on a virtual machine that already has 12c RAC installed, and use the ACFS snapshot to brush a cow (Copy-On-Write) library to do the test library. Highlight Step: Add ASM disk to virtual machine to build Acfs file systemSecond, create Acfs file systemThird, create the database on the Acfs file system in Node 1. (12c supports data files, control files, log files and other database files on the ACFS.) Reference doc ID 1369107.1 acfs Advanced

Citrix releases Xa/xd 7.6 Feature Pack 3

Since last year, Citrix products have basically been adhering to the last day of each quarter, a large-scale update of the Xenapp/xendesktop 7.6 version of the habit, September 30 This day no accident, released Feature Pack 3.An important part of this update is full support for Windows 10. As Microsoft released Windows 10 on July 29, manufacturers began supporting Windows 10 with support for Windows 10 through the TP version of the VDA earlier. Citrix now begins full and formal support for Windo

Create a shared disk in Oracle VM and mount ASM

There are still many steps to generate a shared disk and mount it to asm when Oracle VM builds Oracle RAC. Record it. The premise is that a linux has been installed in the VM.1. here I create five disks, cd C: \ Program Files \ Oracle \ VirtualBoxVBoxManage.exe createhd-filename D: \ OracleVM \ ASM \ asm1.vdi-size 5120-format VDI-variant FixedVBoxManage.exe createhd-filename D: \ OracleVM \ ASM \ asm2.

OracleLinux configure UDEVSCSIRules

OracleLinux configure UDEVSCSIRules Udev scsi Rules configuration in Oracle Linux The configuration of ASM in Oracle RAC can be implemented in two ways: raw and asmlib. Raw is recommended for actual maintenance. There are two ways to use raw: multipath and UDEV. On the RedHat platform, refer: Redhat 5.4 + ASM + RAW + Oracle 10g RAC installation documentation For ASMLIB, refer: RAW + asm rac installation document In this article, let's take a look at the UDEV configuration in Oracle Linux. Re

Data recovery scenarios for Xen Server repository (SR) corruption

"Common failures" One, SR unrecognized, all virtual disk (VDI) lost Virtual Disk (VDI) Access times in the SR error Third, virtual disk (VDI) deletion or loss Iv. snapshots (snapshot) deleted or missing V. SR initialization Vi. the LVM structure of the SR is corrupted The PV partition Table of the SR belongs to the damaged Viii. Other Failures "Fault Ana

Betty: Talk to your Linux

sweetheart name to replace this is not known who's Betty:>]. You may already know that if we want to know our user name in the system, we should run the following command: whoami The output is as follows: sk As you can see, my current login user name isSkNow I can use the following betty command to get the same result. betty whats my username The output is as follows: Betty: Running whoamisk Really cool, isn't it? Betty understands the "

Damaged xen server repository (sr) Data Recovery Solution

Common Faults]1. sr cannot be identified. All Virtual Disks (vdi) are lost. 2. errors are reported when the Virtual Disks (vdi) in the sr are accessed. 3. Virtual Disks (vdi) are deleted or lost. 4. snapshots are taken) delete or lose 5. sr initialization 6. The LVM structure where the sr is located is damaged 7. The PV partition table to which the sr belongs is

To extend space for a virtual disk using the VirtualBox own management Tools command

VirtualBox Virtual disk space is not enough, the default is 10G. To enlarge, the graphical interface does not find the operable menu. Google a bit with the VBox command tool vboxmanage can be resolved. C:\Program files\oracle\virtualbox>vboxmanage MODIFYHD E:\VBOX\UBUNTU12.04\UBUNTU1204-201302-DISK1.VMDK-- Resize 300000% ...Progress state:vbox_e_not_supportedVBoxManage.exe:error:Resize hard disk operation for this format was not implemented yet! The original virtual machine is in the VMDK forma

Virtualbox compressed virtual hard disk

Virtralbox uses a VDI file to provide a virtual hard disk for the Virtual Machine. during use, this file grows more than actually used, for example, in a Virtual Machine, the operating system may have only 2 GB space for other files, but the virtual hard disk file may have 5 GB space in the host machine, and the most important thing is that even if the file is deleted from the virtual machine, it will not be reflected in the

Adjust and expand the disk space of VirtualBox in VMDK format

Adjust and expand the disk space of VirtualBox in VMDK format If the format of the virtual machine is VDI, you can use this article to adjust the disk size: adjust the size of the VirtualBox hard disk. However, when creating a virtual machine, the landlord used the VMDK format to ensure compatibility with VMWare. At this time, it will be a bit difficult to expand the hard disk space. An error will be reported when you follow the procedure described ab

Installing the 11GR2 ASM Single-Instance step

/11.2.0/db_1; export Oracle_homeGrid_home=/u01/app/11.2.0/gridnls_date_format= "YYYY:MM:DD HH24:MI:SS"; Export Nls_date_formatNls_lang=american_america. ZHS16GBK; Export Nls_lang Path=.:${path}: $HOME/bin: $ORACLE _home/bin: $GRID _home/bin export PATH Export Temp=/tmpExport Tmpdir=/tmpumask 022mainly configure several environment variables for red fonts (required)--Add shared disk as VBox command linevboxmanage Createhd--filename asm01.vdi--size 307

Virtual Machine Usage Experience Summary

1, VirtualBox virtual machine between the different host mobile VirtualBox virtual machines in different host movement, there are two ways, one is the GUI menu "Export virtual machine" in the Hosta to export the virtual machine, and then copy the inverted OVA file to HostB with "Import virtual machine" command import, The configuration information and virtual storage media for the virtual machine to be moved can be easily moved to the new host, but the disadvantage is that the export is too slo

10 of the series of agile development "loose Pair programming": L-type code structure (one of the technical articles)

/downloads/JPetStore-1-2-0.pdf) with roughly equivalent code efficiency ). Of course, it will be mentioned later about whether less code is good or not. Solve a basic problem first: How to make less code?Technical Means Technical means are not the focus of our speech today. Because technical means are limited by the level of developers, it is extremely difficult to increase the number of technical means at once. Moreover, the business itself will limit the use of technical means. However, let's

Increase the size of virtualbox Hard Disk

Clone Hard DiskC: \ Program Files \ oracle \ virtualbox> vboxmanage clonehd "F: \ virtualbox VMS \ ubuntu11.10 \ ubuntu11.10.vdi" "F: \ virtualbox VMS \ ubuntu11.10 _ 1 \ Bak. VDI"// Wait a few minutes ......0%... 10%... 20%... 30%... 40%... 50%... 60%... 70%... 80%... 90%... 100%Clone hard disk created in format 'vdi '. UUID: 51baf187-38fe-40d2-acee-446f457a1275

Application virtualization on the server

paying close attention to the development of flash drives recently ." Disk I/O performance is very important for storage arrays, But I/O problems may also come from the network. For example, an Ethernet-based SAN, such as iSCSI or FCoE, may cause network bandwidth bottlenecks. Therefore, configuring storage on an independent application server can simplify potential network congestion problems. Network I/O performance can also respond to the bandwidth-intensive application stream. The bottlenec

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