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Raid 1 failing hard disk
I have a Poweredge T420 that has 2 virtual disks setup, a raid 1 for the os and a raid 5 for data.
Disk 0:1:0 has predicted failure showing. Do I need to take the failing disk offline before I hot swap it?
Origin3k
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April 10th, 2024 17:05
Yes... as long as the Disk is "alive" you should set the drive "offline" because the HBA than is prepared that you will remove the drive in a hotswap manner.
If the replacement drive doesnt kick into the RAID1 you need to configure this new drive as a (global)"hot spare" and assign it to the existing disk group. Than the volume rebuild should start.
Regard,
Joerg
DHerberts
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April 10th, 2024 17:34
@Origin3k Thanks for the quick response. I have a similar dell server here in the office that I am going to test on before I try it on the clients server.
DHerberts
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April 10th, 2024 19:23
So far setting the bad drive to offline and then replacing seems to be working as it is rebuilding now on my test server.
DHerberts
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April 10th, 2024 21:08
Everything was looking good but now my Virtual Drive is showing a red X, any thoughts what I need to run?
DHerberts
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April 10th, 2024 21:41
I started going through the options and "Clear Virtual Disk Bad Blocks" cleared it up.
DELL-Young E
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April 11th, 2024 05:35
Hello, I'm afraid your disk will fail again soon.
Can you check the physical disk status? This needs a replacement, so it is best to get in touch with the local support.
https://dell.to/3PWzxTQ
Respectfully,
DHerberts
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April 11th, 2024 12:02
@DELL-Young E This is just a test server I have setup in my office before I attempt it on the clients in production machine so I'm not overly worried if the disk are bad on it but I will look at what you sent.
DHerberts
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April 11th, 2024 15:37
I just realized on my test system I had 2 drives that were not Dell certified which I believe was causing a Non Critical error. Is this a major concern?
(edited)
DELL-Young E
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April 12th, 2024 04:46
Hello, any problems occuring from not using a Dell certified part component can cause an issue, and we won't be able to assist, please note.
Respectfully,
DHerberts
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April 12th, 2024 13:10
The drive swap on the clients server with a Dell certified drive went great. Thanks to all for your quick responses.