I checked the NOW site, and didn't really find anything that seemed pertinent for 7.23 in regards to setting up number of spindles for raid DP. I did read the 7.2 storage mgmt guide btw . Here is my situation:
I brought over 3 shelves from some older heads, and hot added to a current loop. Shelves 2-4. Shelf 1 was already provisioned with 72GB disks. Currently, I have 1 aggregate of 3 disk (root vol), and 9 disks for another aggregate; 2 hot spares (full 72gb shelf, shelf 1)
Here is my question.
What is the best layout for raid dp for my new 3 shelves I just added? I do not want to add the 3 new shelves to the existing aggregate.
I know the default is 16 when creating a new aggr, maybe I should default to that. I don't know if I will be adding more disks in the future to this aggregate.
Shelf 4 I have 1 shelf of 144gb 15k (14 spindles) new
Shelf 3 I have 1 shelf of 72gb 15k (14 spindles) new
Shelf 2 I have 1 shelf of 72gb 10k (14 spindles) new
Shelf 1 I have 1 shelf of 72gb 15k (14 spindles) already provisioned
I want to dedicate at least 1 or 2 hot spares for the 144gb (obviously). I already have 2 hot spares from shelf 1.
I care more about performance then raid reconstruct in the event of a disk failure. This aggregate will be used primarily for CIFS.
If I missed a document that discusses this better, please let me know.
Thanks!!