HI, I'm new around this systems and I would like a feedback from you guys about a setup for a FAS2020 + DM14mk4.
The system is to be used on an ESX 4 environment, and we would like to use as much as possible from the data storage. Since we do have 2 controllers on the system, they are consuming right now 8 disks from the 12 SATA Shelf. By default is RAID-DP for each controller, so how would be the ideal setup?
I think that was my English that was confusing, I didn't check it properly.
So, regarding to your first reply, I was saying that was concerning a 'Active/active' configuration, and you said that is that way 'out of the box'.
My cencerns are regarding the maximizing of disk space on our HW.
Your 2nd reply says that using the 'out of the box' config are in fact the best one. - For us, it's ok for now, since we are on the beggining of setting up this box, and since it's our first one ever, we are experimenting on it, so sorry for the 'newbie' questions. We are more EMC and HP guys, and in fact I've never seen a configuration like this. That 2 ctrls use 2 set's of disks for storing it's SO.
So beeing more specific:
Best config ?
a) - Active/Active ?
b) -Active/Passive ?
a.1) CT1 - RAID-DP on SATA disks, aggr0 or CT1 - ( 8 of12 used disks so far, on the 2 CTs )
CT2 - RAID4/RAID-DP on FC disks, aggr1 for CT2
b.1) - Any suggestions? I've seen some docs regarding this, but didn't test it.
I'm on the process to upgrade the ONTAP 7.3.1 to 7.3.5 on this CT's - It's a good idea ?
Haven't checked the FW of the Shelfs yet.
Hope this have given an idea of our messes ....
PS - I have tried to remove the spae disk from the first aggr on the CT1 ... how can i put it back ??? - Struggling with this also... but no worries for now.
You can’t combine SATA and FC disks in the same aggregate so you will need at least two of them. It makes no sense to assign both aggregates to one head and leave the second one idle (even assuming it were possible). So the only sensible setup in this case I see is SATA on one controller and FC on another one. I personally would simply go for one RAID_DP with single spare on each side.
If you are going to update it makes sense to update to the latest version which is 184.108.40.206 as of now.
Aggregate consists of data and parity disks; spare disks are not part of any aggregate. So did you remove parity disk from aggregate or spare from controller (how exactly? Which commands?)
I assume that currently you have small aggregate on rest of SATA disks on controller 2. So you will need to connect external shelf, allocate its disks to controller 2 and move root volume (and any other data) off SATA disks onto new shelf. After that you can destroy old aggregate on SATA disks and re-assign them to controller 1 and add to existing aggregate. It will keep all data and setup of controller 2.