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How to replace failed HD in PR4100?

Hi
This morning I got following message for my PR4100:

“Drive failed in Bay 3. Replace the failed drive.”

Here is my question:

  1. My PR4100 has 4 Bays, Where is the Bay 3? Is it third Bay count from left slot?
  2. Now PR4100 is already power down, could I replace new HD on Bay 3, and power on will be automatically fix this issue?
  3. So far it has 2x1.5TB and 2x2TB, and I think broken HD is 1.5T on Bay 3, could put new 4TB on Bay3?
  4. Is all HD must be same speed? In another word could I mixed with 7200 and 5400RPM devices?

I’ll be appreciated for your help.

@Fujimaru

Are you using OS3 or OS5? You have posted in the sub-forum for the single bay WDMYCLOUD.
WDMyCloudImage

You need to go back to the community and post in the sub-forum for your device under the correct Operaing System OS3 or OS5 and the My Cloud Pro Series.

Have you read the User Manual or any Help that is provided?

See the following WD Support Knowledge Base article:

My Cloud: Two & Four Bay Internal Drive Replacement
https://support-en.wd.com/app/answers/detailweb/a_id/15992

More support, inicluding the user manual, for the PR4100 can be found at the follow WD Support page:

My Cloud PR4100
https://support-en.wd.com/app/products/product-detailweb/p/139

The drive bays may be numbered right on the unit itself.

And there is a specific subforum for the PR4100 where users more familar with that device may be able to assist with your issue(s).

OS5 My Cloud Pro Series
http://community.wd.com/c/os5/my-cloud-pro-series/256

If one has the older v2.x firmware installed on their PR Series device then see the following subforum.

OS3 My Cloud Pro Series
http://community.wd.com/c/personal-cloud-storage/my-cloud-pro-series/214

Hi,

I appreciate for all your reply. I’m using OS5 My Cloud.
Let me read the doc again, and post in the sub-forum of OS5.

Thanks,
Hisakazu

Support for Western Digital Hard Drives | Western Digital

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