AWS - EC2 unable to detect EBS drives

Question

after an unexpected restart on a windows server 2021 r2 server, the server is unable to detect the EBS drives. i have attached about 4 drives but they are invisible/not detected in device manager/disk manager, i.e., only c drive is visible in the disk manager..refresh/rescan disk didnt help either.

Could someone advice on how we can get back the disks.

Have you checked the Windows Event Logs? – Anonymous Nov 21 '14 at 10:18 — Anonymous, Nov 21 '14 at 10:18
yea..but i see no difference even with device manager. – Pasha Nov 22 '14 at 03:04 — Pasha, Nov 22 '14 at 03:04

score 0 · Accepted Answer · answered Nov 28 '14 at 04:44

I would suggest following the step here, update the PV driver, and this fixed the issue.

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Create an AMI copy from the AWS console as a backup: http://docs.aws.amazon.com/AWSEC2/latest/WindowsGuide/Creating_EBSbacked_WinAMI.html
Uninstall the AWS PV Driver Version 7.2.0 via "Programs and Features.”
Reboot the machine when prompted by the uninstaller.
Download and install the AWS PV Driver Installer from: https://s3.amazonaws.com/ec2-windows-drivers/AWS+PV+7.2.0/MicrosoftSigned/Installer/AWSPVDriverPackager.exe
Reboot when prompted by the installer.
Download and run the following script: http://ec2-downloads-windows.s3.amazonaws.com/Scripts/RemediateDriverIssue.zip, this will ensure that this issue is corrected ongoing.

AWS - EC2 unable to detect EBS drives

1 Answers1