- Data ONTAP 8 (7-MODE)
- Occasional prolonged period of slow performance leading to service disruption
- Issue may self resolve without any admin intervention
- Error messages around the time of poor performance
Fri Jan 29 11:47:59 UTC [vf10@ntapn1: CIFSDispatcher: cifs.stats.pBlkExhaust:info]: CIFS: All CIFS control blocks for the STANDARD pool are in use. The request for a new control block can not be granted. Fri Jan 29 12:45:54 UTC [vf10@ntapn1: CIFSDispatcher: cifs.many.pending.auth.reqs:warning]: CIFS: Too many pending authentication requests detected while authenticatinig for vFiler vfiler:vf10: Check health of all DCs for every vFiler unit configured on the controller and verify their connectivity.