HP 3PAR StoreServ 7450 Storage Troubleshooting Guide

License Suggested Action
If desired, request a new or updated license from your Sales Engineer.
Network
Displays Ethernet issues for the Administrative and Remote Copy over IP (RCIP) networks that have
been logged in the previous 24-hour sampling window. Reports if the storage system has fewer
than two nodes with working admin Ethernet connections.
• Check whether the number of collisions is greater than 5% of total packets in previous day’s
log.
• Check for Ethernet errors and transmit (TX) or receive (RX) errors in previous day’s log.
Format of Possible Network Exception Messages
Network -- "IP address change has not been completed"
Network "Node<node>:<type>" "Errors detected on network"
Network "Node<node>:<type>" "There is less than one day of network history for this
node"
Network -- "No nodes have working admin network connections"
Network -- "Node <node> has no admin network link detected"
Network -- "Nodes <nodelist> have no admin network link detected"
Network -- "checkhealth was unable to determine admin link status
Network Example 1
Network -- "IP address change has not been completed"
Network Suggested Action 1
The setnet command was issued to change some network parameter, such as the IP address,
but the action has not been completed. Use setnet finish to complete the change, or setnet
abort to cancel. Use shownet to examine the current condition.
cli% shownet
IP Address Netmask/PrefixLen Nodes Active Speed Duplex AutoNeg Status
192.168.56.209 255.255.255.0 0123 0 100 Full Yes Changing
192.168.56.233 255.255.255.0 0123 0 100 Full Yes Unverified
Network Example 2
Component ---Identifier---- -----Description----------
Network Node0:Admin Errors detected on network
Network Suggested Action 2
Network errors have been detected on the specified node and network interface. Commands such
as shownet and shownet -d are useful for troubleshooting network problems. These commands
display current network counters as checkhealth shows errors from the last logging sample.
Troubleshooting Storage System Components 41