Questions tagged [oracle-rac]
21 questions
0
votes
1 answer
Switch RAC nodes using dbconsole in Oracle 11g
Is it possible to use dbconsole (Enterprise Manager) to switch the active node of a Oracle 11gR2 cluster? The idea is to tell the active instance to go down and have another node take over.
I want to perform some failover testing and would like to…
Stephan
- 417
- 1
- 5
- 13
0
votes
2 answers
Convert an Oracle 10g RAC database to single instance
In an attempt to reduce the complexity of a solution, I've been asked to convert a two node Oracle 10g RAC production database to single instance. The database is running on RHEL5 with ASM on SAN.
I imagine at least the following steps will be…
Roy
- 4,256
- 4
- 35
- 50
0
votes
1 answer
How to handle oracle installations with same SID on same subnet?
I have two Oracle RAC clusters on the same subnet. For this discussion, let's assume one is a QA cluster and one is a DEV cluster. They are both running on RedHat Enterprise Linux 5, 64-bit.
They are configured identically, so they both have an…
David
- 103
- 3
0
votes
2 answers
Oracle RAC interconnect in a Dell M1000e Blade Enclosure
We are looking at a Dell M1000e enclosure and appropriate Blades with 4 NICs each. We are planning on running Linux/Oracle 11g RAC on two blades, storage will be handled on an iSCSI SAN for which two NICs (via passthrough) will be connected leaving…
Antitribu
- 1,709
- 3
- 23
- 37
0
votes
1 answer
DNS Forward Lookup is Failing in Linux
I am installing a two node RAC on my testbed (virtualbox), i have setup the DNS server, forward lookup is not working but reverse lookup is, PFB
[root@dbwr1 log]# nslookup dbwr1.localdomain
Server: 192.168.24.1
Address: 192.168.24.1#53
**…
user1747735
- 1
- 1
-3
votes
1 answer
Why shared-disk architecture is beneficial for Oracle RAC?
Oracle RAC is using shared-disk architecture. I cant see why this can make the whole product highly scalable or available ? the shared storage can itself turn into a single point of failure. and if we are using for example SAN for our storage, we…
Armin Balalaie
- 101
- 4