[ClusterLabs] Samba failover and Windows access

[Klaus Wenninger]

On Thu, Dec 8, 2022 at 8:03 AM Dave Withheld <davewithheld at hotmail.com>
wrote:

> In our production factory, we run a 2-node cluster on CentOS 8 with
> pacemaker, a virtual IP, and drbd for shared storage with samba (among
> other services) running as a resource on the active node.  Everything works
> great except when we fail over.  All resources are moved to the other node
> and start just fine, but Windows hosts that have connections to the samba
> shares all have to be rebooted before they can reconnect.  Clients that
> were not connected can connect.  We have samba configured for only SMB1
> protocol and all Windows clients are configured to allow it.
>
> Did you test if it is samba/smb-client related or windows IP-stack related
- like ping the samba-host from the windows machines?
Is the virtual IP using the physical MAC address of the interface - like
windows missing the gratuitous ARP?

Klaus

> Maybe this is a question for the samba folks, but thought I'd try here
> first since it's only a problem when the other node takes over the samba
> resource.  Anyone seen this problem and solved it?
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