October 23, 2008 at 7:52 am
Hi All,
I am in the process of setting up a new Production DB Server. (Upgrade of HW). My request might feel a bit strange but this is what I want to do.
I want to make sure there is HW redundancy and SW redundancy. BUT, I do not want to use a Shared storage like EVA. I got burnt with one just 8 months ago. Now we have a very costly EVA that I am not planning to use. This would mean that I prefer a Hard wired RAID Configuration. But how can I acheive this?
I checked Marathon Cluster. (This has HW and SW redundancy) It is actually two seperate Physical machine (Identical) It requires 6 NICS. But I did not like the performance. Does anyone else have another idea how I can acheive it?
Thanks
Roy
-Roy
October 27, 2008 at 9:54 am
Isnt there anyone who could advice me on this?
-Roy
October 27, 2008 at 10:24 am
What you're asking makes no sense. What do you mean by no shared storage? No SAN-type setup? That severely limits your redundancy.
You can look at Database mirroring, but that doesn't move your entire server, that moves a database. Jobs, logins, etc. have to be moved manually and potentially a bit of manual failover.
What is the problem you want to solve?
October 27, 2008 at 10:32 am
Let me give you the reason why I did not want Shared Storage. We had a SAN Drive and we had cluster on the Production DB. Our SAN failed once and we had to move to our warm standby.
We got the HP guys to look at the SAN and find out why it failed. They just could not figure out what happened. They then rebuild the SAN from scratch and everything worked fine. If the people from HP themselves cannot figure out what happened, I have no trust in the SAN. That is why I want to move away from SAN.
Marathon as I stated in the first post actually does what I want. But the performance was not upto par. It does not use Shared Disk space. It has both HW and SW Redundancy. That is what I wanted. except for the performance.
I thought maybe others are using something like Marathon that is better in performance. Also Mirroring is something I did not look at. I will look at that. Thanks for the Tip Steve.
-Roy
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