Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

SQL Server clustering : Resource Sharing

Posted on 2012-04-02
1
Medium Priority
?
194 Views
Last Modified: 2012-04-10
Hi,
1. What is shared nothing architecture under SQL server clustering?
2. Is each database at node replicated on other node fro failover?
3. If I have 4  nodes in a cluster, can I distribute the load for those databases across all nodes of the cluster? Under ORACLE RAC it works brilliantly. I read in docs I can't?
4. If that is the case then how does having more than 2 nodes in a cluster helps?


Thanks
0
Comment
Question by:crazywolf2010
1 Comment
 
LVL 18

Accepted Solution

by:
irweazelwallis earned 2000 total points
ID: 37795898
you can't do this out of the box with SQL - at least automatically

If you set up a cluster the DB's sit on shared storage and that storage is failed over to a specific node
If you have mutiple nodes and multiple instances in the cluster then you can distribute the load among them by moving specific instances to each node i.e DB1 on instance 1 on SQL1 and DB2 on instance 2 on SQL2 -

be aware that this changes the licencing you need as it is no longer active-passive/failover clustering so you will need to licence each server.

By having a 2 or more node SQL cluster means you have automated resilience so that if one node has a hardware failure then databases and instances will fail over to the other node, you could have this multisite to give you geographical resilience as well
0

Featured Post

NEW Veeam Agent for Microsoft Windows

Backup and recover physical and cloud-based servers and workstations, as well as endpoint devices that belong to remote users. Avoid downtime and data loss quickly and easily for Windows-based physical or public cloud-based workloads!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

If you have heard of RFC822 date formats, they can be quite a challenge in SQL Server. RFC822 is an Internet standard format for email message headers, including all dates within those headers. The RFC822 protocols are available in detail at:   ht…
Occasionally there is a need to clean table columns, especially if you have inherited legacy data. There are obviously many ways to accomplish that, including elaborate UPDATE queries with anywhere from one to numerous REPLACE functions (even within…
Video by: ITPro.TV
In this episode Don builds upon the troubleshooting techniques by demonstrating how to properly monitor a vSphere deployment to detect problems before they occur. He begins the show using tools found within the vSphere suite as ends the show demonst…
Please read the paragraph below before following the instructions in the video — there are important caveats in the paragraph that I did not mention in the video. If your PaperPort 12 or PaperPort 14 is failing to start, or crashing, or hanging, …

886 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question