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July 22nd, 2020 14:00
Multiple array setup
Hi,
I just received our new r440. I have 6 SSD's, and the server came pre-configured with all 6 on a raid10 array.
I plan to run 2 virtual servers on this machine.
I need 2 drives on a raid 1 that will host a virtual guest for our ERP application server, the other 4 drives on a raid 10 for the guest that will contain our data.
The LCC seems to only allow you to configure one array, so I'm done poking around in there.
Do I need to delete the entire array in the system setup and start from scratch or is this something I would setup in the OS (server 2019) with hyper v?
Thank you.
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theflash1932
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July 22nd, 2020 19:00
Yes, you will need to delete the array and set up the config from scratch. There is no way to downsize an array to a smaller RAID level or array. This must be done in the RAID controller configuration utility. You may be able to use LCC to configure a single RAID 1, then configure the data VD from OMSA in the OS (or in the config util).
I don't see the problem with running everything on a single RAID 10 ... if that is all the server will be doing, I doubt you'll see any performance increase by separating them. It's really unlikely you will bottleneck a 6-disk SSD RAID 10 with two VM's, assuming one is a client/mgmt VM for the database running on the second.
*Maybe* the number of users or type(s) of data could make a difference, but unless this will be supporting a massive amount of data (very active) or a very large number of users, it probably won't make any difference. Even then, you may be better off with the extra bandwidth of a 6-disk RAID 10.