RAID Array not recognized

Hello, I have a PowerEdge R415 with RAID 5 and have created a bootable thumb drive with ESX 6.5.  When I boot the server, it does not recognize the Hard drives.
Michael TysonAsked:
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DavidPresidentCommented:
Did you make sure the HCL for  your version of ESX not only includes drivers for your controller, but you are also running correct firmware?  If not,  then make the necessary changes.
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Michael TysonAuthor Commented:
Thank you.  I upgraded the firmware, but the driver may be the issue. I will check it this evening.
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andyalderCommented:
What RAID controller does it have in it? There are various options for the R415. Best chance of getting the right driver is to install the Dell customized version of ESXi - you also get OMSA access that way.

BTW, R415 itself is not on VMware compatibility list whichever controller it has in it.
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RobertSystem AdminCommented:
When you go into the option rom for the raid controller do the drive show up so that you can create your volumes?
If they are visible at the controller level then it is probably a driver issue.

Note there is probably a Dell customized VMware image available that would likely include the drivers ( I know there are ones for HP).
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LucFEMEA Server EngineerCommented:
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Michael TysonAuthor Commented:
Hello all, over the weekend I downloaded the Dell ISO and created a boot thumb drive.  The server goes through the boot sequence from the drive and stops at Boot: with a blinking cursor.
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LucFEMEA Server EngineerCommented:
Mount the ISO trough iDrac and use that console. That’ll sort out any problems with the USB creation.
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Michael TysonAuthor Commented:
Hi Guys, I have been sick and have not been able to get back to my server yet.  I will try some of the suggestions this week and either resolve or update my question if that's ok.
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Marshal HubsEmail ConsultantCommented:
You can easily recover data from that damaged array using a live linux usb like mint cinnamon, if you need instructions on the creation of that too, please ask. Once you boot into linux your RAID partitions will become visible to you, after that connect an external HDD which is equal or greater than the total capacity of the RAID array. You can start copying the file easily after this. However if you face any difficulty or find this method too complicated then you can use Stellar Raid Recovery in which you can recover the RAID data in a very easy way. For more information, please check this link: https://www.stellarinfo.com/windows-raid-recovery.php
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Michael TysonAuthor Commented:
Thank you.
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DavidPresidentCommented:
All good answers, awarded win to first responder, distributed points equally to all expert responses.
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