Dell PowerVault NX3600 - Manual (Page 90)

Troubleshooting RX And TX Pause Warning Messages
Description The following warning messages may be displayed when
the NAS Manager reports connectivity in a Not Optimal
state:
Rx_pause for eth(x) on node
1 is off.
Tx_pause for eth(x) on node 1 is off.
Cause Flow control is not enabled on the switch(es) connected to
a NAS cluster solution controller.
Workaround See the switch vendor's documentation to enable flow
control on the switch(es).
Troubleshooting NAS Manager Issues
NAS Dashboard Is Delayed
Description NAS dashboard metrics is delayed and does not show the
updated values as soon as it updated.
Cause The NAS Manager view is refreshed every 40 seconds but
the information regarding specific metrics is collected in
different intervals, due to which there is no correlation
between screen refresh to actual metrics refresh.
Workaround Use the process in FluidFS that collects information
regarding various matrices in the system.
• Status fields (overall state, service status, servers
status)—Information is been collected every 40
seconds.
• Capacity—Information is collected every 1800
seconds.
• Current performance (NFS, CIFS, Replication,
NDMP, Network)—Information is collected every
40 seconds.
• Recent performance (the graph)—Information is
collected every 60 seconds.
• Load balancing (CPU, number of connections)—
Information is collected every 40 seconds.
NAS System Time Is Wrong
Description Scheduled tasks are running in wrong times. The date/
time of event log messages is wrong.
Cause
• The time on the NAS system is incorrect.
• No NTP server is defined for the NAS system.
• The NTP server servicing the NAS cluster solution
is either down or has stopped providing NTP
services.
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