Oracle ASM introduction and installation of Linux5.2 + Oracle10g + ASM Process
1) The reason for ASM (Automatic Storage Management:
ASM is a new feature in Oracle 10g R2 to simplify the management of
Adhu (ASM Disk Header Utility) is one of the three major restoration artifacts of oracle asm, kfed, and amdu, which are not vigorously promoted by oracle (an internal tool ), with the enhancement of the kfed function and the improvement of the automatic backup function of asm
(ASM Automatic Storage Management) is a data file storage mechanism dedicated to Oracle database services. By managing data files through ASM, DBAs no longer have to worry about I/O performance issues, you do not need to know the file name. At the same time, ASM also provides integration from the file system to the vol
1. What is ASM?
ASM is called Automatic Storage Management (Automatic Storage Management). It is a new feature launched by Oracle 10 Gb. This is a volume manager provided by Oracle to replace the LVM provided by the operating system. It not only supports single-instance configuration, but also supports multi-instance c
After 11.2, you can rename ASM DiskGroup without having to create a new diskgroup, and then do image copy.
In 11.2, in the GI home, with a command renamedg, look at the following example:
RENAMEDG phase=The steps can be divided into 2 phase, the first is to generate a configure file (Renamedg_config), and the second phase is to execute the Configure file, and the Phase=both in the document is to indicate that the build is executed directly after it
Brief introductionOracle Real Application Cluster (RAC) is a well-known product in Oracle Solutions for maintaining high availability of business data. Oracle RAC allows sharing of load across all cluster nodes, using N-1 Fault tolerant configuration to address node failures, where N is the total number of nodes. Oracle RAC is continuously improving every version
Install Oracle 11g R2 + RAC + ASM in Oracle Linux 6.4
I. Version descriptionMany articles related to the Internet are found, but they are not very specific. Therefore, the detailed version is used to make the article more practical.This is the RAC environment of Oracle 11g R2 11.2.0.4. The operating system version is
Oracle Linux 4.7 Configuration documentation for Oracle ASM
http://blog.csdn.net/liumengcheng/article/details/37358567
Oracle Linux 6 installation oracle11g R2 and Oracle Linux 4.7 installation oracle10g R2 different places are:
Required RPM Package:
binutils-2.20.51.0.2-5
Oracle Video tutorial goals Oracle Video tutorial, wind Brother this set of Oracle Tutorial training to learn ASM fundamentals, Oracle Single and RAC ASM installation configuration instructions,
Oracle 11g ASM: how to create an Oracle ACFS file system experiment environment in ASMCMD command line tool: Oracle 11g R2 RAC (11.2.0.3.5) oracle Enterprise Linux 5.6x86 1. Create an ASM disk group and mount the disk on two nodes
This article consists of four parts: 1. Create a virtual ASM disk, 2. Create a database on the virtual ASM disk, 3. asmcmd tool, and 4. Add a disk for the disk group.
Part 1: create a virtual ASM Disk(In this example, Oracle is installed on D: \ oracle \ product \ 10.2.0)
1.
Label:ASM OverviewAutomatic Storage Management (ASM) is a great new feature in Oracle database 10g that provides services such as file systems, logical volume managers, and software raid in a platform-agnostic manner. ASM can stripe and mirror disks, enabling the addition or removal of disks as the database is loaded, and automatic balancing of I/O to remove "hot
Lab environment: Oracle 11g R2 RAC (11.2.0.3.5) Oracle Enterprise Linux 5.6x86
1. Create an ASM disk group and mount the disk on two nodes. Then, partition the disk on the first node. [root @ Rac1 ~] # Fdisk-ldisk/dev/SDE: 2147 MB, 2147483648 bytes255 heads, 63 sectors/track, 261 cylindersunits = cylinders of 16065*512 = 8225280 bytes
Device boot start end blocks
ASM concepts
1. what is Automatic Storage Management (ASM, it is a disk management tool that can implement strip, image data files, recovery files, and other files among multiple physical devices. The distribution unit is AUs (allocation units) the balance is distributed across all disks in the disk group. ASM uses the index technology to track the positions of e
Label:Removeipc=yes RHEL7.2 will crash the Oracle ASM instance and Oracle database instance, and the problem will also be in the use of the shared Memory Segment (SHM) or semaphores (SEM) Occurs in the application.From:Alert:setting Removeipc=yes on Redhat 7.2 crashes ASM and Database Instances as well as any applicati
Label:Chapter II ASM INSTANCEthe type of ASM, for example, can be:The Oracle instance type adds an ASM category after 10g. The parameter instance_type=asm is set.ASM Instance startup command: StartupNomountLaunches the instance and background processes. But the disk group is
Tags: point bin socket list option href rom Lex efiUDEV SCSI Rules Configuration for ASM in Oracle Linux 5 and 6For Oracle Automatic Storage Manager (ASM) to use disks, it needs to is able to identify the devices consistently and for them to the correct ownership and permissions. In Linux you can use Asmlib to manage t
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