CIFS ACL Corruption

Description

CIFS ACL corruption.

Cause

• ACLs were accidently changed by a user or script.

 

• ACL is corrupted after an antivirus application accidently

 

quarantined corresponding files.

 

• ACL got corrupted after data recovery by backup application due

 

to compatibility issues.

 

• ACL got corrupted after migrating data from different location by

 

using 3rd party application, for example, RoboCopy.

Workaround Check the current ACL setting in the Windows client. Redefine the ACLs for the files by using a Windows client the same way you initially defined it. In case you cannot redefine your ACLs since you currently do not have permissions, perform the following steps:

aRestore the files from snapshots or backup.

bIn the case you have migrated the data from different location using Robocopy application, there is a good chance you can restore ACLs by copying only ACLs metadata, instead of re-copying the whole data.

cIn case all file system ACLs' are corrupted you can restore all data from the NAS replication partner.

CIFS Client Clock Skew

Description

CIFS client clock skew.

Cause

The client clock must be within 5 minutes range from the Kerberos

 

server (that is Active Directory) clock.

Workaround

Configure the client to clock-synch with the Active Directory (as

 

an NTP server) to avoid clock skews errors.

 

 

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Troubleshooting

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Dell NX3500 manual Cifs ACL Corruption, Cifs Client Clock Skew, 156

NX3500 specifications

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