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2x WD Black 1TB in Raid 1 - one drive reporting 1.5GB/s

Tags:
  • Hard Drives
  • Western Digital
  • NAS / RAID
  • Storage
Last response: in Storage
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October 22, 2012 11:49:45 PM

Found a strange issue after upgrading from a 2x WD 640GB Black RAID 1 to 2x WD 1TB (WDC1002FAWX-009A8) RAID 1 array.

Both drives are connected to the 3.0Gb Intel Z68 (blue) ports on my Asus P8Z68-V Pro motherboard.

When I look at 'Advanced' details in the Intel Rapid Storage utility, one drive shows SATA transfer rate of 3 Gb/s, while the second drive shows SATA transfer rate of 1.5 Gb/s. Both drives were purchased together, both Firmware 05.01D05, both manufactured the same day.

I'm running the latest P8Z68-V Pro bios and Intel RST 10.8.0.1003.

I don't recall checking this with the previous 640GB Black RAID 1 array, but I still have one of those drives in the system (now for backup purposes) and it shows 3Gb/s.

The drive showing the 1.5Gb rate is on port 4, and the drive showing the 3 GB/s rate is on port 5.

Other drives and SAT transfer rate status:
- Crucial m4-CT128M4SSD2 Port 1 6 Gb/s
- OCZ Vertex2 Port 0 3 Gb/s
- WD 640GB Black Port 3 3 Gb/s

Any ideas?

Thanks,
Dave....

More about : black 1tb raid drive reporting 5gb

a b G Storage
October 23, 2012 1:07:01 AM

just a heads up, theres been a lot of talk in forums about raid configurations killing wd black 1tb drives. i know this because it happened to me, so i googled it.
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