Problem with RAID 1 on Z170xp-sli mainboard

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bentwrench

Commendable
Jan 10, 2017
2
0
1,510
I have a z170xp-sli in a new build with an M.2 pcie SSD for the system drive running windows 10 pro. Other storage is one non-RAID HDD and two 1 TB HDD in RAID 1. The RAID 1 drive has problems, it took 3 days for IRST to "initialize" the drive and then it immediately started rebuilding, after several days it finished and then started rebuilding again. Read write performance is terrible, takes hours to move a 4 GB or so, something is wrong. I have dleeted the RAID voulme and used WD tool on each HDD and found no problems, then I tried an older version of the intel driver with no luck either. The non RAID HDD works fine, as does the M.2 SSD. The RAID drives are plugged into SATA3_0 and SATA3_1, the other drive is SATA3_2.

Any suggestions?
 
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B

bentwrench

Commendable
Jan 10, 2017
2
0
1,510


I have tested the drives individually with the extended test and found no errors. When set up in RAID 1 the WD tools do not show SMART info or allow for testing. IRST shows the volume is fine, but like I said tries to rebuild it constantly.

Both drives work as they should in JBOD configuration. As soon as I build a RAID 1 either through the BIOS or inside IRST the problems start. Even after the 3-4 days it takes for initialization to finish, read and write speeds are terrible.

 
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