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Could you please also include the content of your smb shares config file (after masking passwords)?

A group policy or host setting may prevent Cinder from mounting the share using a password. Who's exposing the SMB share? Is it a Windows host? When deploying Cinder, we're usually avoiding password based authentication, granting share access per node (using computer accounts), also granting access to the user running the OpenStack services (e.g. nova, cinder), in which case the share config file does not have to include passwords.

If you do need to use share passwords, here are some troubleshooting steps:

  • check if the following GPO is enabled:

    Network access: Do not allow storage of passwords and credentials for network authentication Location: GPO_name\Computer Configuration\Windows Settings\Security Settings\Local Policies\Security Options

  • check the following registry key: Get-ItemProperty HKLM:\system\CurrentControlSet\Control\Lsa -name disabledomaincreds

  • the Windows event log may also include some useful information, you could restart the service and use the following: get-winevent -FilterHashtable @{LogName="Microsoft-Windows-SmbClient*"} -MaxEvents 100 | ft -AutoSize -Wrap