PCIe RAID controller with 4 Intel SSDs
I have been thinking about upgrading my RAID setup from a pair of Intel X25s running the software based RAID included with ubuntu to four Intel X25s running off a PCIe based controller. The controller is an HP P400 which I know works great on ubuntu (I have other machines running it with SAS drives). My desktop has an Intel S5000XVNSATAR mainboard and I have an open PCIe v1.0 8x (physical) slot that is wired 4x. The controller is 8x and will fit fine.
How much of a performance hit do you think I will see running this 8x controller in the slot wired 4x with four Intel x25s in a RAID 10? Will I have enough bandwidth with the 4x for those SSD's?
Thanks
Bob
Intel S5000XVN/ 2x QC L5310/16G FBDIMM/2 X25v SSD R0 on P400/midtower EATX U16.04 LTS
Supermicro X10SLM+-F/Xeon E3-1230Lv3/16G/2x Mushkin 60G SSD R0 + 4x 2TB NAS drives on M5015 R10/XenServer 6.5
Multiple Ubuntu 16.04 LTS VMs as guests
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