Applies to VMware critical alert for datastore path down Poor performance and alerts for SQL virtual machines Affected datastores: Path redundancy to storage device naa.xyz degraded. Path vmhba1:C0:T7...Applies to VMware critical alert for datastore path down Poor performance and alerts for SQL virtual machines Affected datastores: Path redundancy to storage device naa.xyz degraded. Path vmhba1:C0:T78:L10 is down. ONTAP reports long or back2back consistency points (CP) wafl_exempt00: wafl.cp.toolong:error]: Aggregate_xyz_sata_aggr1 experienced a long CP. I/O latency increased from average value of 8000 microseconds to 1000008 microseconds
When doing an MCC switchover or switchback, ESXi hosts may lose connection to (boot) LUNs, and need to be rebooted to recover access. The LIF extended status post Switchover was seen as "FDISC error -...When doing an MCC switchover or switchback, ESXi hosts may lose connection to (boot) LUNs, and need to be rebooted to recover access. The LIF extended status post Switchover was seen as "FDISC error - ID could not be acquired for this virtual port". Event:E_DEBUG, length:177, at 289527 usecs after Tue Jun 19 15:56:40 2018[825307441] ns_reg_port_name(261): OTH: Trying to register duplicate port name for port-id 0xb20162 Existing entry's detail: pWWN , fWWN
Applies to Any Hypervisor or SAN client Any version of Data ONTAP Issue When copying a folder with multiple small files, a local drive copies in less time than copying to or from a NAS share or betwee...Applies to Any Hypervisor or SAN client Any version of Data ONTAP Issue When copying a folder with multiple small files, a local drive copies in less time than copying to or from a NAS share or between two different NAS shares After migrating a server from a physical host to a VM, overall performance of the VM is poor in comparison from a disk latency perspective Performance may be up to 10x slower on a CIFS share or NFS export compared to a comparable SAN LUN or local set of disks copying files
