Asm creates and deletes disks, disk groups, and rebalance operations, and asmrebalance
[grid@lzl1 ~]$ sqlplus / as sysasmSQL*Plus: Release 11.2.0.3.0 Production on Fri Oct 20 15:20:44 2017Copyright (c) 1982, 2011, Oracle. All rights reserved.Connected to:Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit ProductionWith the Real Application Clusters and Automatic Storage Management optionsSQL>
Existing Disk
SQL> select name,free_mb
[Translated from mos] The asm background process in 11gR2, 11gr2asmAsm background process in 11gR2Reference Original:ASM Background Processes in 11.2 (Doc ID 1641678.1)Applicable:Oracle Database-Enterprise Edition-Version 11.2.0.2 to 11.2.0.4 [Release 11.2]Information in this document applies to any platform.1 ASMB-ASM Background ProcessCommunicates with the asm
The ASM disk is an important part of the ASM architecture, and the ASM disk is positioned and managed by the ASM instance, which focuses on the ASM Disk group, the failure group, and so on.
I. Related Concepts
1.ASM Disk Group
For the asm background process in 11gR2, see the original article: ASMBackgroundProcessesin11.2 (DocID1641678.1) for: OracleDatabase
For the asm Background process in 11gR2, see the original article: ASM Background Processes in 11.2 (Doc ID 1641678.1) applicable: oracle Database-Enterprise Edition-Version 11.2.0.2 to 11.2.0.4 [Release 11.2] Information in this do
1. Format of Embedded Assembly Language
C ++ is a superset of C language. It is an object-oriented programming language based on C language. Microsoft Visual C ++ 5.0/6.0 is a widely used development system on Windows. x platform. This section uses Visual C ++ 5.0/6.0 as an example to describe the hybrid programming of assembly language and C ++ in a 32-bit Windows 9. x environment. It is also divided into two methods: Embedded Assembly and module call.
Visual c ++ directly supports the embedded
The 11g asm disk cannot be automatically mounted.
I started ASM today and found that only one SYS_DG DISK is mounted (used to store OCR and VOTING DISK information). The other two DISK groups DATA_DG and DG_FRA do not mount.Environment: OS = RHEL 6 DB = Oracle11GR2
[Grid @ myrac1 ~] $ Crs_stat-tName Type Target State Host------------------------------------------------------------Ora. DATA_DG.dg ora... up.
Currently, ASM instances are widely used in both rac and single-instance database environments. This article mainly introduces the management of ASM instances in Oracle 11.2.0.3, including the following:1: view the status of the ASM disk and disk group2: Create an external redundant disk group, add or delete a disk.3: Create a normal redundancy disk group4: failg
ASM background process in 11gr2
Reference Original:
ASM background processes in 11.2 (Doc ID 1641678.1)
Applicable:
Oracle Database-Enterprise Edition-version 11.2.0.2 to 11.2.0.4 [release 11.2]
Information in this document applies to any platform.
1 ASMB-ASM background process
Communicates with the ASM instance to
Tags: style c a width strong fileASM Single point of failureIt is often the user's best practice to ask how to avoid an ASM single point of failure. As with other file systems or volume managers, the failure of an ASM instance can cause the RDBMS instance running above to be unavailable. However, OS file system or volume manager failure typically accompanies operating system crashes, and
First, ASM (Automated storage Management): ASM is a new feature of Oracle 10g R2 to simplify the management of Oracle databases, a volume manager delivered by Oracle itself, primarily to replace the LVM provided by the operating system. Not only does it support single instances, but it also supports the RAC very well. ASM can automate the management of disk gro
ASM (Automatic Storage Management) is a new feature introduced in oracle10g R2 to simplify the management of Oracle databases, which is Oracle's own volume manager, which is used primarily to replace the LVM provided by the operating system. It not only supports single instances, but also supports RAC very well.First, the Origin of ASMASM is a new feature introduced in Oracle 10g R2 to simplify the management of Oracle databases, a volume manager prov
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 these tasks, but it's seen as an additional layer of complexity and have never reall Y gain
Tags: des http io os ar for SP art onUDEV 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 these tasks, but it's seen as an additional layer of complexity and have never reall Y gained any popular
Tags: large number of change values port Goup Note repair level assignment Use ASM to deploy large databases (10TB to PB Range) References:Deployment of very large databases (10TB to PB Range) with Automatic Storage Management (ASM) (Doc ID 368055.1) Range:This article applies to ASM configurations on all platforms. Contains the use of RAC and single-instance env
Tags: Oracle database operating system ASM ASM installation ASM ConfigurationASM Installation of Oracle InstallationThe last time we talked about building an Oracle environment, let's look at the installation of ASM automated storage Management in Oracle and the creation of ASM
Do not use the form of service, directly in/etc/rc. add a script for local: su-oracle-c "/home/oracle/product/10.2.0/db_1/bin/dbstart". Change ORACLE_HOME_LISTNER of dbstart to $ ORACLE_HOME.Restart the system. The oracle instance is not started. Check the startup log and find that:Oct 17 21:05:23 simpleit logger: Waiting for Oracle CSS service to be available before startingOct 17 21:05:23 simpleit logger: ASM instance +
Oracle RAC Environment ASM Disk Group is forcibly deleted with kfed tool for perfect recovery of mistakenly deleted disk group casesIn some cases, may be due to misoperation, not small drop diskgroup, this time do not be nervous, this type of failure, can be kfed for a perfect recovery (data 0 lost). If the relevant ASM disk is further damaged, subsequent restores will be cumbersome, You may need to use the
Label:First, ASM (Automatic storage management) for the reason: ASM is a new feature introduced in Oracle 10g R2 to simplify the management of Oracle databases, a volume manager provided by Oracle itself, primarily used to replace the LVM provided by the operating system, which not only supports single instancing, but also supports the RAC very well. ASM can auto
Chapter One: ASM introduces 1.1 asm motives:Program analysis, generation, and conversion techniques can be applied to many scenarios:1. Program analysis, from simple syntax parsing to complete semantic analysis, can be applied to find potential bugs in the program, find useless code, reverse engineering code, and so on.2. Code generation is applied in a variety of compilers: both traditional compilers and d
Starting from Oracle11gR2, GI has integrated ASM, and OCRVOTEDISK is also stored in the ASM disk group (which needs to be stored on bare devices before 11gR2). At the same time, ASM has a larger function than 10 Gb.
Starting from Oracle 11gR2, GI has integrated ASM, and OCR/VOTEDISK has also been stored in the
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