Please start any new threads on our new site at We've got lots of great SQL Server experts to answer whatever question you can come up with.

Our new SQL Server Forums are live! Come on over! We've restricted the ability to create new threads on these forums.

SQL Server Forums
Profile | Active Topics | Members | Search | Forum FAQ
Save Password
Forgot your Password?

 All Forums
 SQL Server 2008 Forums
 High Availability (2008)
 SSD's in the mirroring environment
 Reply to Topic
 Printer Friendly
Author Previous Topic Topic Next Topic  

Starting Member

South Africa
25 Posts

Posted - 08/23/2012 :  06:39:58  Show Profile  Reply with Quote
Hi All,

It's been a while since I've been on SQLTeam so a big hello to all.

Here is the situation:
We are currently mirroring several servers databases to one mirror server.
This server has the following IO subsystem:
6 x 460gb SAS drives in a raid 5 on an Intel RAID Controller RS2BL080

We currently averaging 850 writes per second to the subsystem with a peak of 5500 writes per second.

Unfortunately this seems to be the limit of the system.

My thoughts are to replace the 6 SAS drives with 6 SSD drives of similar size but vastly greater read\write times.
Huge concern is the MTTF due to the excessive writes that occur on the sub system with SSD's.

Has anyone experienced using SSD's for their mirror server?
How long have the drives been running stable for and what kind of failure rate should I expect?


The Chadinator

1974 Posts

Posted - 09/04/2012 :  19:30:17  Show Profile  Visit chadmat's Homepage  Reply with Quote
You really should avoid RAID 5 for write intensive workloads.

Go to Top of Page
  Previous Topic Topic Next Topic  
 Reply to Topic
 Printer Friendly
Jump To:
SQL Server Forums © 2000-2009 SQLTeam Publishing, LLC Go To Top Of Page
This page was generated in 0.03 seconds. Powered By: Snitz Forums 2000