[Samba] Failover

Robert Gurdon sandboxheh at gmail.com
Mon Oct 7 13:36:15 MDT 2013

2013-10-07 21:11 keltezéssel, Andrew Bartlett írta:
> On Mon, 2013-10-07 at 15:36 +0200, Sandbox wrote:
>> Hi guys,
>> I have a domain with Samba 4.0.5 domain controllers and also a failover
>> DRBD shared disk, where the "active" DC controlls the access to the disk.
>> DOMAINC01 -
>> DOMAINC02 -
>> DOMAINCHA - << this would be the failover IP, which works
>> perfectly on Windows XP clients.
>> I can see the shares, just like on DOMAINC01 or DOMAINC02 and if the users
>> has the proper credentials they can write open etc.
>> But when I try to do the same on a Windows 7 client I simply get an error
>> message " You dont have the proper rights to open the directory"
>> I guess because of the DOMAINCHA "virtual" controller is not in the AC, but
>> shall I add a computer to the AC so my win7 clients could open the
>> available shares?
> Please don't use DRDB with Samba as an AD DC.  You don't need it (you
> should have two DRS replicating DCs).  The reason I am so strongly
> against this is that I had to work very hard to recover a corrupt
> database at such a site.  We suspect that barriers were either not
> enabled or not passed down to the OS in this case, followed by a
> unexpected loss of power.  The corrupt database was then perfectly
> mirrored to the DRDB clone, resulting in two corrupt mirrors.  DRS
> replication likely would have detected the corruption (because the
> database would not have been valid) and failed the replica, saving the
> data.
> Andrew Bartlett

You misunderstood me, I don't use DRBD as database storage (only for 
users documents and stuffs) my servers database are sitting on their 
"private" place :)

Kind regards:


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