Rapid Storage Technology
Intel® RST, RAID

Raid 5 - unknown hard disk

QuyNguyen
Beginner
534 Views

I have Raid 5 with 3 disks, 6GB each. total volume is 12 GB. I tried to expand it by adding one more drive 6GB. After few hours running and it failed, now the raid status is failed. Raid array now has 4 disks with the new one marked as Unknown hard disk. But when I look at the disk serial number, it's matched with available  drive.???? How do I fix this

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8 Replies
Steven_Intel
Moderator
503 Views

Hello QuyNguyen,


Thank you for posting on the Intel® communities.


I would like to research more about this issue. In order to do so, could you please confirm if the fourth disk added is being recognized in BIOS as well?


Look forward to hearing from you.


Best regards,


Steven G.

Intel Customer Support Technician.



QuyNguyen
Beginner
496 Views

Thank you for looking. Yes, the fourth disk recognized in BIOS. I was messing around after the post and in bad situation now

After a day with the issue, I got back in BIOS and the raid give me option to rebuild but it doesn't seem right. First, I had raid 5 with 3 disks at 6TB, that gave me 12TB storage total, after I added the fourth one, it should be around 18TB total but the rebuild gave me 4 disks rebuilt but only 12TB. My PC took about 2 days to rebuilt and boot up to Windows 10. All the files and directories are there but non of the files are readable and the raid of 4 disks are 12TB only.

 

Since, no files can be read. I tried other methods by removing all the disks from the raid and try to rebuilt the raid with other software but none of that works. Now, I'm end up with new raid 5, four disks, 18TB unallocated. My data maybe still there because I'm hopeless to getting them back

Steven_Intel
Moderator
478 Views

Thank you for your response and information provided.


We are going to work on this issue. As soon as I have an update, I will let you know.


Best regards,


Steven G.

Intel Customer Support Technician.


Steven_Intel
Moderator
445 Views

Hello QuyNguyen,


By calculation, the capacity should be 18 TB, and since you are getting 12 TB, the system is recognizing only three drives. 


Depending on the board, not all SATA ports support RAID, these need to be managed by the same controller. For that reason, I recommend you checking with the Original Equipment Manufacturer (OEM) to verify that and also test the new drive you are adding to the array.


As well, please confirm these are the steps you follow when adding the new drive to the current RAID 5:


  1. Under 'Status' or 'Manage', in the storage system view, click the volume to which you want to add a disk. The element properties are now displayed on the left.
  2. Click 'Add disk'.
  3. Select the disk you want to use to increase the array capacity.
  4. Click 'Add Disk'. Caution: "Once the data migration starts, the operation cannot be canceled."
  5. Once the migration has been completed, restart your computer for changes to take effect.



Best regards,


Steven G.

Intel Customer Support Technician.


Steven_Intel
Moderator
416 Views

Were you able to check the previous post?


Let us know if you still need assistance.


Best regards,


Steven G.

Intel Customer Support Technician.


QuyNguyen
Beginner
405 Views

Like I mention in the original post, I did all the steps from 1 to 5 but after few hours, the status of the raid is "failed". I rebooted my PC and I got those screenshots. So, something went wrong during the expanding the raid. Right now, I lost all data and made new raid. The new raid 5 with 4 disks show total of 18 TB. I haven't format the raid yet because I'm hoping to rescue the old raid. The problem is that Intel Optane Memory and Storage Management FAILED to expand my raid and lost all my data.

Steven_Intel
Moderator
386 Views

Thank you for your response.


We are going to work on this issue and as soon as I have an update, I will let you know.


Best regards,


Steven G.

Intel Customer Support Technician.


Steven_Intel
Moderator
332 Views



Hello QuyNguyen,


After investigating about this issue, our engineers were unable to reproduce the issue. It might be an issue while adding the drivers, and should not be an RST bug.


Please keep in mind that this thread will no longer be monitored by Intel. Thank you for your understanding.  


Best regards,


Steven G.

Intel Customer Support Technician.


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