Slow boot times with RAID 0 striped SSD?

Question

I have a pair of Corsair Force 3 240GB SSD's in a RAID 0 stripe together (128KB stripe size). Originally with only 1 drive, my boot times were around 20 seconds (from the initial BIOS beep to the desktop), but now my boot times are doubled. I ran the Passmark benchmark and it says that I get about 800MB/s continuous read and 400MB/s continuous write. I can also see this speed in Windows because I can copy a 3.3GB movie on the array in about 15 seconds. This shows me that the RAID array is working properly, since Corsair claims these drives get at most 550MB/s read. With this much bandwidth, why did my boot times go up so much?

Answer 1

You could check how much boot time your system is spending in BIOS as opposed the time spent actually loading and starting Windows. Your RAID array has to be initialized and checked before the OS can start to load. Depending on your BIOS and your RAID controller, that could take several seconds.



Bottom line, if your system is zipping along once Windows is loaded, I wouldn't sweat a few extra seconds in the boot sequence. If it's running slower with tasks like loading programs and copying files in addition to booting up, then you've got problems.

Answer 2

Striped Ssd

Answer 3

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