[Samba] [CTDB] "use mmap = no" Causes wibind to fail

Rowland penny rpenny at samba.org
Tue Sep 29 08:33:50 UTC 2020

On 29/09/2020 08:35, Ralph Boehme via samba wrote:
> Am 9/29/20 um 7:44 AM schrieb Christian Kuntz via samba:
>> Is the wiki information still accurate? If so, what needs to change about
>> my configuration to fix this issue?
>> If the information is out of date and the modern utility of "use mmap = no"
>> is unknown, how can I test it?
> hm, I guess the mmap no setting should have been removed alongside this
> change:
> <https://wiki.samba.org/index.php?title=Configuring_clustered_Samba&diff=11665&oldid=11663#Lustre_filesystem>
> The option only affects the use of mmap or not in TDB and on a Samba
> ctdb cluster the tdb databases must be located on cluster node local
> filesystems, not the cluster filesystem.
> I'm going to remove the setting from the wiki.
> -slow

Ralph, the wikipage, that Christian referred to, says to use:

netbios name = something
clustering = yes
idmap config * : backend = autorid
idmap config * : range = 1000000-1999999

My understanding is that autorid is meant to be used with multiple 
domains, yet Christian's smb.conf is definitely for a standalone server, 
so does he need the idmap config lines ?


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