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Single 840 Pro + RAID 1 HDDs - AHCI or RAID - Samsung Magician doesn't like RAID mode

J

jnmunsey

Limp Gawd
Joined
Jan 16, 2006
Messages
337
I set up Win 7 from scratch using a Samsung 840 Pro 256GB drive on a Gigabyte Z77X-D3H. Knowing I would late be adding two 1TB drives in a RAID 1 array I set the SATA mode to RAID and not AHCI.

Everything installed fine and I got the RAID array set up without a hitch using Intel's RST utility.

After installing Samsung's Magician software it now reports the following about the SSD:

AHCI Mode: Deactivated - AHCI mode is required for highest SSD performance
SATA interface: N/A - unable to detect SATA interface details

When I run the benchmarks however the throughput and IOPS is where they should be, very high. I also checked via command line to see if TRIM is operating and it says it is enabled so that's good.

If I reboot into AHCI mode the system still boots and the RAID volume is still intact. Samsung Magician now reports that AHCI is enabled and the SATA port is running at 6GBps. However now Intel RST won't show the RAID 1 volume though it appears to be intact. It doesn't show more than one HDD...


So, what's the deal here? Is Samsung's Magician buggy or something? Is the 840 Pro really not working optimally when the SATA is set to RAID in bios?

Any insight is appreciated.
 
Samsung Magician just doesn't like anything but AHCI mode. RAID is basically AHCI with the ability to have arrays.

Its just the software being lame, nothing to worry about.
 
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