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Solution Type Problem Resolution Sure Solution 2096075.1 : Oracle ZFS Storage Appliance: Slow Domain Controller may lead to Syslog Events - "smb_lgrp_getsid: no such domain SID" and "smb_lgrp_iterate: database operation error"
In this Document
Created from <SR 3-11755332671> Applies to:Sun ZFS Storage 7420 - Version All Versions to All Versions [Release All Releases]Oracle ZFS Storage ZS3-4 - Version All Versions to All Versions [Release All Releases] Oracle ZFS Storage ZS3-2 - Version All Versions to All Versions [Release All Releases] Sun ZFS Storage 7320 - Version All Versions to All Versions [Release All Releases] Oracle ZFS Storage ZS4-4 - Version All Versions to All Versions [Release All Releases] 7000 Appliance OS (Fishworks) SymptomsZFS Storage Appliance system log is reporting: 2015-11-23 21:18:17 smbd[28018] error smb_lgrp_getsid: no such domain SID
2015-11-23 21:18:17 smbd[28018] error smb_lgrp_iterate: database operation error
These events were continually occurring.
CauseA Preferred Domain Controller ( 'PDC' ) was configured under: configuration services smb>
2015-11-23 21:18:17 smbd[28018] error smb_lgrp_getsid: no such domain SID
2015-11-23 21:18:17 smbd[28018] error smb_lgrp_iterate: database operation error The events above occur due to a SMB local group attempting to request the domain SID - but it appears as though the Domain Controller was not responding in time, as the SID was not in the domain table.
As a PDC was in use, the appliance was continually accessing a Domain Controller ( 'DC' ) that - in this case - was under very high load. Once we changed the PDC setting - to another domain controller in the same Active Directory site - the issue went away.
SolutionThis was not a problem with the ZFS Storage Appliance. To fix this issue, in the long term, the installed memory on the Domain Controller was increased - so it could handle a higher load.
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