CIFS ACL Corruption

Description Cause

Workaround

CIFS ACL corruption.

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 third party application. For example, RoboCopy.

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. Verify that you set the ACLs as the owner of the files, directories, and shares. In case you cannot redefine your ACLs since you currently do not have permissions, perform the following steps:

1.Restore the files from snapshots or backup.

2.In the case you have migrated the data from a 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.

3.In 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.

CIFS Client Disconnection On File Read

Description

CIFS client disconnection on file read.

Cause

Extreme CIFS workload during controller failover.

Workaround

Client needs to reconnect and open the file again.

CIFS Client General Disconnection

Description

CIFS client disconnection.

Cause

In case the system identified a general issue with the CIFS service, it automatically

 

recovers but the failure causes all users to be disconnected and the above event to be

 

triggered.

Workaround

If this issue repeats frequently, contact Dell.

CIFS Client Login Failure

Description

CIFS client login failure.

Cause

User supplied incorrect password upon connection.

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Dell NX3610 Cifs ACL Corruption, Cifs Client Clock Skew, Cifs Client Disconnection On File Read, Cifs Client Login Failure

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