CIFS sessions close due to idle timeout for Linux and other SMB clients
Applies to
- ONTAP 9.5P17, 9.6P13, 9.7P10 and later
- CIFS
- Linux/UNIX SMB client
- Windows SMB client
Issue
- After upgrading to a fixed version of Bug 1274307, SMB clients may experience intermittent failures:
Input/output error
while running commands such asls
- "Host is down" messages after timeout
- A packet trace shows
STATUS_USER_SESSION_DELETED
as response from the server - Linux client raises the following error message :
Dec 23 08:34:34 hostname kernel: CIFS VFS: Autodisabling the use of server inode numbers on \\SYSTEM.ad.company.co.jp\vol_sample. This server doesn't seem to support them properly. Hardlinks will not be recognized on this mount. Consider mounting with the "noserverino" option to silence this message.