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YogiWannabe
9 Posts
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11201
November 27th, 2018 10:00
SATA disk not found on PowerEdge R640
Hi,
I have a Dell PowerEdge R640 with a SATA disk plugged into the front bay. RAID has been disabled. This system was working fine and booting into Centos. I left it powered off for about 1 month. When I turned it on today I find that it does not detect any hard disks. I have ensured that BIOS SATA setting is set to "AHCI mode" and I have tried the disk on multiple bays. I have also tested the disk on another system and it works fine there.
During BIOS bring up I see the disk light on the SATA drive blinks couple of times.
I have tried googling for a solution, but did not come up with anything helpful. What can I do to make the server detect the disk?
Thanks
8003
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Posted November 27th, 2018 12:00
Thanks for your response. Yes, the drive LED is lit and very briefly the drive access LED flashes twice while BIOS is coming up. How do I detect if the system has a RAID controller? I know I've disabled RAID in BIOS.
7998
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Posted November 27th, 2018 13:00
Hi,
Does it show a PERC controller in device settings? Step 3 https://www.dell.com/support/article/ba/en/babsdt1/sln307603/dell-poweredge-how-to-create-a-virtual-disk-through-the-system-setup-on-14g-servers-?lang=en
7995
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Posted November 27th, 2018 14:00
There are 4 NIC cards. It does not show any PERC controllers.
7992
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Posted November 27th, 2018 14:00
If you go to the boot menu does it show the drive?
7989
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Posted November 27th, 2018 14:00
No, it does not show the drive.
7972
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Posted November 27th, 2018 15:00
Try reseating the drive, just take it out and put it back in.
7981
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Posted November 27th, 2018 15:00
I tried that. I also tried moving it to a different bay. Nothing helped
3901
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Posted November 27th, 2018 17:00
Do you have another drive you can try?
7966
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Posted November 27th, 2018 17:00
Although I don't see PERC in the BIOS I see PERC controller on the motherboard. Please see attached image.
DELL-Josh Cr
Community Manager
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9697 Posts
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43688 Points
8005
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Posted November 27th, 2018 12:00
Hi,
Does the drive have the LEDs lit? Is there a RAID controller in the system where the drive is connected?