Dell PowerVault NX3610 User Manual - Page 72

CIFS Client Clock Skew, CIFS Client Disconnection On File Read, CIFS Client General Disconnection

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Workaround CIFS Client Clock Skew Description Cause Workaround CIFS Client Disconnection On File Read Description Cause Workaround CIFS Client General Disconnection Description Cause Workaround CIFS Client Login Failure Description Cause 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. Verify that you set the ACL's 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 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. The client clock must be within 5 minutes range from the Kerberos server (that is Active Directory) clock. 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. Extreme CIFS workload during controller failover. Client needs to reconnect and open the file again. CIFS client disconnection. 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. If this issue repeats frequently, contact Dell. CIFS client login failure. User supplied wrong password upon connection. Interactive users can retry with correct password. Applications and servers might need special attention as the user/password, which is usually set in a script or configuration file, has probably expired. 72

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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. Verify that you set the
ACL's 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
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 wrong password upon connection.
Workaround
Interactive users can retry with correct password.
Applications and servers might need special attention as
the user/password, which is usually set in a script or
configuration file, has probably expired.
72