On 02/03/2011 00:53, Matt Harrison wrote:
Hi list,

A couple of years ago I set up a zfs/smb/idmap server talking to my active directory. Everything works well and except for the occasional reboots, I don't usually have any problems.

I had to sync my clock with the domain controller (>300 seconds out) but after that I was getting idmap errors (RPC connection problems). I followed the steps posted in a messages I found through google, which ended up removing my mappings. I thought I could remember them.

Now I have idmap running, but adding some maps results in a constant "GENESTATE\matt: idmap failed".

I've tried maps for my main user such as:

# idmap add "winuser:*@genestate.com" "unixuser:*"
# idmap add winuser:m...@genestate.com unixuser:matt
# idmap add winuser:"*@genestate.com" unixuser:"*"

and various other permutations. Originally, I had a wildcard map like the first line above, plus a map for Domain Admins and one for Domain Users.

Well nothing I can pull from my memory, or from google will allow me access to my fileserver again. I did have it all written down but that is now lost (of course). Nor can I find the orignal guides I made my notes from.

Can someone please shed some light as I'm currently stuck without any access at all.

Ok, turns out it was a misconfiguration of my DNS server which had only shown up after idmap was restarted/the machine was rebooted. Idmap now seems to work fine and I have access again. They key was to turn on idmap debug logging so I noticed it wasn't finding a PDC.

Thanks
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