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The difference between integrated graphics and discrete graphics, performance is different.
The difference between integrated graphics and discrete graphics
The difference between discrete graphics, core
RAC special problems and combat experience (V)
Overview: write down the original intent and motivation of this document, derived from the Oracle Basic operating Manual of the previous article. The Oracle Basic Operations Manual is a summary of the author's vacation on Oracle's foundational knowledge learning. Then form a summary of the system, a review review, the other is easy to use. This document is also derived from this text. Before read
Tags: Microsoft ya Black Database Center style" RAC "Will RAC Restore a backup set to a single-instance database
Blog document structure diagram
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Foreword Part
Guide
Technical enthusiasts, after reading this article, you can master the following skills, you c
I. RAC background processLmon:lock Monitor Processes is also known as the Global Enqueue service monitorMonitor the entire cluster condition, maintain the memory structure of GCS monitor abnormal terminated processes and instances when an instance leaves and joins a cluster, the locks and resources are reconfigured to manage global locks and resources to monitor global lock resources, handle deadlocks, and blockLck:lock ProcessThe LCK process is prima
Dual-core Intel (R) Xeon (r) e3110,3.0 GHZ,6MB cache, 1333MHz
4gb,ddr2,800mhz
160GB 7.2K RPM SATA 3Gbps Hard Drive
Integrated graphics-(ATI ES1000)
Integrated Gigabit Ethernet Card-(Broadcom (R) netxtreme IITM 5722)
16x DVD Drive
No keyboard, monitor, or mouse-(connect to a KVM switch device)
$450 1 Ethernet LAN CardRAC interconnect for Racnode2 and Openfiler networked storage.Each Linux server for the Oracle
Self-transferred personal blog http://www.inthirties.com
One customer wanted to upgrade to the RAC production system, so he forced himself to install RAC again. At the same time, he once reviewed some knowledge about RAC, I feel that my understanding of RAC is quite helpful.
The two machines are as follows:HOST 1Host
Tags: Software Target case primary ffline mkdir OCR pad numberoracle11g R2 "Rac+asm→rac+asm"Environment used in this demo case: RAC+ASM+OMF
Primary
Standby
OS Hostname
Node1,node2
Dgnode1,dgnode2
OS Version
RHEL6.5
RHEL6.5
DB Version
11.2.0.4
11.2.0.4
oracle10g R2 "Rac+asm→rac+asm"Environment used in this demo case: RAC+ASM+OMF
Primary
Standby
OS Hostname
Node1,node2
Dgnode1,dgnode2
OS Version
RHEL5.8
RHEL5.8
DB Version
10.2.0.5
10.2.0.5
Db_name
Stephen
Stephen
Db_unique_name
Configure jumbo frame for RAC optimization and jumboframe for rac Optimization
Configure jumbo frame for RAC Optimization)
First, let's talk about the concept of MTU: in network communication, there is a concept of MTU (Max Transmission Unit), that is, the maximum frame size in network Transmission, the default value is 1500 bytes (the Ethernet Variable frame siz
if the related files are not deleted in the second part.
4. Delete the/etc/oracle/scls_scr/rac1/oracle/cssfatal files on each machine
If you do not delete this file, you will get an error when running the root.sh script.
Reference:
RAC root.sh Oracle CRS solution already configured and'll be running under init (1M)
Http://blog.csdn.net/tianlesoftware/archive/2010/02/21/5314804.aspx
5. Condition OCR of 2 raw devices
[Root@rac1 bin]# dd If=/dev/zero o
To build a RAC-DG for the customer encountered some problems, set up rac-dgYesterday I went to a customer to build a physical standby database of the RAC-DG, here I will list the general process again, for does not involve leakage of privacy, the main parameters have been replaced by the name, the specific path is not consistent. Because the customer's environmen
Tags: blog http using SP data log BS AMPNext, use DBCA to create the RAC database.① with Oracle User login GUI, execute DBCA, go to dbca GUI, select 1th, create RAC database:② Select the CREATE database option, Next:③ choose to create a common database, Next:④ Configuration Type Select Admin-managed, enter the database name DEVDB, select two nodes, Next:⑤ Select default, configure OEMs, enable database auto
Record an analysis of RAC node restart failure caused by Nic heartbeat failure. rac Node
Database and CRS version: 10.2.0.4Down Process Analysis
Serial number
Node
Time
Action
Log Source
1
II
Jul 22:48:15
XXdb2 kernel: netdev watchdog: eth1: transmit timed outBnx2: fw sync timeout, reset code = 1020015
OS
2
II
Jul 22:48:29--Jul 4
CRS-1612: node XXd
Rac _ report version too high when installing software, rac report
Original Works are from the blog of "Deep Blue blog". You are welcome to reprint them. Please note the following source when reprinting them. Otherwise, you will be held legally liable for copyright.
Deep Blue blog: http://blog.csdn.net/huangyanlong/article/details/40457129
Environment: CentOS5.6 64bit1_oracle11g11.2.0.4.01_oracle11g11.2.0.1
Rac _ production database log group corruption handling, rac logs
Original Works are from the "Deep Blue blog" blog. Be sure to indicate the source when reprinting. Otherwise, you have the right to pursue legal liability for copyright.
Deep Blue blog: http://blog.csdn.net/huangyanlong/article/details/46863813
Environment:
Operating System: CentOS 6.4 64bit
Middleware: WAS 7
Database: Oracle 11g
Today is. after a busy day, I finally have time to write something. Some time ago I wrote about how to recover from the existence of a backup in RAc ocr. Today I wrote about how to reconstruct ocr and olr without a backup?
The biggest tragedy is that the database is broken and the backup is gone. It reminds me of a popular saying in the past few years: "the biggest tragedy is that people are living and money is gone ". In short, backup is more importa
On the AIX platform, Oracle software that is tar from the RAC environment is directly extracted to the new machine and the target environment is stand-alone, and the RAC option needs to be turned off.
RAC off
1. Login as the Oracle software owner and shutdown all database instances to all nodes in the cluster.
2. CD $ORACLE _home/rdbms/lib
3. Make-f ins_rdbms
One way to view the rac heartbeat ip address is to view the rac heartbeat ip address.
A Method for viewing heartbeat IP addresses
Source: GI Fails to Start as no Private Network Interface is Available (Doc ID 1481176.1)
From ocssd. log:
16:28:07. 224: [CSSD] [3316] clssnmReadNodeInfo: NM endp for node 2 (racnode2)-gipc: // racnode2: my-cluster #192.168.0.2 #49921 ---> the heartbeat IP address must be locate
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