Performance

Drobo - End of Sale Drobo B1200i
1

Hi.

I just removed two old SSD’s from port 0 and 1 and inserted 2 datacenter grade SSD’s com ports 10 and 11, like they suggested me to do sometime ago to gain performance.

Now I have one information to replace the disk 0 that i don’t know how to fix.

And my performance still very poor, like 30MB/s read and 60MB/s write.

I have 3 WD3000FYYZ 3TB and 3 WD1003FBYX re 1TB and now 2 Samsung 845DSATA 240Gb. Vmware Esxi 5.0 and multipath iscsi to the servers.

Anyone can help me?

2

Can you confirm if you have dual disk redundancy in use? If you have dual disk redundancy in use, you need 3 SSDs in order to properly use the transactional tiering.

Also, I would recommend reviewing the following articles.

http://support.drobo.com/app/answers/detail/a_id/648/

http://support.drobo.com/app/answers/detail/a_id/443/

Drobo Support

3

I’m using single disk redundancy.

I hire a Vmware specialist to review all my network and redundancy and everything is like best practices recommend.

I can’t get more than 30MB/s read and 80MB/s read. Sometimes i get 5MB/s read!! Impossible do work.