Solved

Two BladeCenter S Chasis in a Geographically Dispersed Cluster

Posted on 2008-10-23
2
533 Views
Last Modified: 2013-11-14
The decision has been made to use the IBM BladeCenter S for running and storing our file based applications, with a fully redundant BladeCenter S chassis running in an alternate location on site.  Our current setup uses a similar two location BladeCenter + Storage Appliance configuration but the primary location currently stores all of the live data, quorum info, etc for our File Server Cluster.  The backup location's storage appliance is updated using asynchronous mirroring so the appliance is simply being used for backup and not a live failover solution.

While the BladeCenter S is still not the ideal solution for our needs, the decision has been made.  I'm looking for the best possible solution for "clustering" volumes in order to utilize synchronous replication between chassis.  In other words, we would like to combine a volume from each BladeCenter into a single logical device so that it would appear to be a single volume.  

Can synchronous replication be accomplished by the storage controllers in the BladeCenter S or will our solution need to be software level mirroring?  

While our data storage needs are small, it is absolutely necessary that we have zero down time.  That is why we are going to such great lengths to make every piece of hardware and software fully redundant.  Your help is very appreciated.

0
Comment
Question by:TheWrongWay
2 Comments
 
LVL 63

Accepted Solution

by:
SysExpert earned 250 total points
ID: 22789031
You really need to talk to IBM.

A good software solution that we use in a similar situation is Double-take.


I hope this helps !
0
 

Author Comment

by:TheWrongWay
ID: 22789404
IBM in the past has been very cryptic in their responses.  With our current appliances we were told by IBM that it would be possible.  After testing, reading Redbooks and asking the same question over and over we were finally told the solution is not available and abandoned by IBM even before we purchased the appliances.  I was hoping to hear from someone that might actually have a solution in place.

As for Double-Take... great company, great software.  I imagine it will be on the top of our list for solutions.  My previous tests with Double-Take revealed a much longer failover time than simply using Microsoft Clustering but it's replication functionality makes it extremely appealing.

Thank you for your help.  :)
0

Featured Post

U.S. Department of Agriculture and Acronis Access

With the new era of mobile computing, smartphones and tablets, wireless communications and cloud services, the USDA sought to take advantage of a mobilized workforce and the blurring lines between personal and corporate computing resources.

Question has a verified solution.

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

Suggested Solutions

Data center, now-a-days, is referred as the home of all the advanced technologies. In-fact, most of the businesses are now establishing their entire organizational structure around the IT capabilities.
While rebooting windows server 2003 server , it's showing "active directory rebuilding indices please wait" at startup. It took a little while for this process to complete and once we logged on not all the services were started so another reboot is …
This video teaches viewers how to encrypt an external drive that requires a password to read and edit the drive. All tasks are done in Disk Utility. Plug in the external drive you wish to encrypt: Make sure all previous data on the drive has been …
This Micro Tutorial will teach you how to reformat your flash drive. Sometimes your flash drive may have issues carrying files so this will completely restore it to manufacturing settings. Make sure to backup all files before reformatting. This w…

772 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