Sure, What I am looking here is do basic testing to identify the maximum performance I can obtain. I can give you an simple example of the current configuration i am trying to test it with but i need not stick with this i can have a parallel file system like GPFS with different pagepoool sizes. How ever I first want to have a basic understanding of these concepts which would help me understand what i am looking at.
60 drive Storage system (HDD-10K-1TB SAS drives)
XFS with default settings
File system Block size 1MB
Segment size 128KB (on storage system settings)
RAID 6 with 28 +2 drives (2 volumes)
Cache Mirroring Enabled and Disabled
Test Server Information :
12 Cores per server (2 servers)
32GB per server
The test work load : (IOZONE test)
Test Chunk sizes 1M, 2M, 4M , 8M Test Threads 12, 24, 48 (Threads)
File size 10GB (per thread )
I am out of cache on this as each thread does 10 GB so if I am doing a 12 threads then we get 120 GB file size.