[Likewise-open-discuss] id: cannot find name for group ID ...

[Gerald (Jerry) Carter]

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Peter,

> I am using likewise-open-4.0.5 on Kubuntu Hardy. 
> Sometimes the mapping between  GID and group names fails.
> The command "group" returns for some groups the  group
> name and for some the error message "id: cannot
> find name for group ID 1616905275". Another problem
> is, that the "group" command takes more than 5
> minutes to complete. To get the nummeric GID of the 
> groups a user belongs to is fast: "lwiinfo -r username"
> takes about 0.15 seconds. Getting the groups
> of a user by name with lwiinfo is fast too. The command
> 
> for i in `lwiinfo -r username` ; do lwiinfo -s `lwiinfo -G $i` ; done
> 
> list all names of the groups of a user with 40 groups in about 
> 4 seconds. Only the command "group" (and in the same manner "id")
> seem to fail.

If you have a moderately sized domain (50k users or groups),
and a user is in a large number of groups, you might benefit
from setting in /etc/samba/lwiauthd.conf:

	winbind expand groups = 1

if you don't need domain group unrolling of nested group
membership.  Try this first and let me know how it goes.




cheers, jerry
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