Administrator Guide
Table Of Contents
- Dell EMC Storage Systems Administrator Guide for the metro node appliance
- Contents
- Preface
- CLI Workspace and User Accounts
- Meta Volumes
- System Management
- Thin support in metro node
- Provisioning Storage
- Volume expansion
- Data migration
- About data migrations
- Migrating thin-capable storage
- About rebuilds
- One-time data migrations
- Batch migrations
- Prerequisites
- Creating a batch migration plan
- Checking a batch migration plan
- Modifying a batch migration file
- Starting a batch migration
- Pausing/resuming a batch migration (optional)
- Canceling a batch migration (optional)
- Monitoring a batch migration’s progress
- Viewing a batch migration’s status
- Committing a batch migration
- Cleaning a batch migration
- Removing batch migration records
- Configure the WAN Network
- Cluster Witness
- Consistency Groups
- Performance and Monitoring
- Metro node with active-passive storage arrays
Table 23. IP WAN COM (ip-com-port) statistics (continued)
Statistic Type Description
ip-com-port.send-pckts Counter, units: counts/
second, arguments:
port-name
Number of packets sent through UDP on this IP WAN
COM port.
ip-com-port.recv-errors IP WAN COM Port
receive errors
Number receive errors on this WAN COM Port
ip-com-port.send-errors IP WAN COM Port send
errors
Number of send errors on this IP WAN COM Port
ip-com-port.recv-dropped IP WAN COM
Port received packets
dropped
Number of received packets dropped on this IP WAN
COM Port
ip-com-port.send-dropped IP WAN COM Port sent
packets dropped
Number of sent packets dropped on IP WAN COM Port
ip-com-port.recv-overruns IP WAN COM Port
receive overruns
Number of receive overruns IP WAN COM Port
ip-com-port.send-overruns IP WAN COM Port send
overruns
Number of send overruns on this IP WAN COM Port
ip-com-port.recv-frame-errors IP WAN COM Port
received frames
Number of frames received on this IP WAN COM Port
ip-com-port.send-carrier-errors IP WAN COM Port send
carrier
Number of carriers sent on this IP WAN COM Port ?
ip-com-port.collisions IP WAN COM Port
collisions
Number of collisions on this IP WAN COM Port
Table 24. IP Congestion Control Statistics
Statistic Description
ip-congestion-control.ip-wan-cc-rtt Round trip time maintained by TCP in micro-seconds.
ip-congestion-control.ip-wan-cc-rttvar RTT smoothed mean deviation maximum measured in microseconds.
ip-congestion-control.ip-wan-recv-bytes Total number of bytes received on the TCPCOM path.
ip-congestion-control.ip-wan-recv-cnt Total number of packets received on the TCPCOM path.
ip-congestion-control.ip-wan-retx-cnt Total number of TCP retransmissions.
ip-congestion-control.ip-wan-send-bytes Total number of bytes sent on the TCPCOM path.
ip-congestion-control.ip-wan-send-cnt Total number of packets sent on the TCPCOM path.
Table 25. COM cluster I/O statistics
Statistic Description
com-cluster-io.avg-lat
"type: reading, units: microseconds,
arguments: cluster-id "
Average latency in microseconds of all I/O from the local cluster to the
other cluster in the last query period. Takes a cluster number as an
argument
com-cluster-io.max-lat
"type:reading, units: microseconds, arguments:
cluster-id "
Maximum latency in microseconds of all I/O from the local cluster to the
other cluster. Takes a cluster number as an argument.
com-cluster-io.min-lat
"reading, units: microseconds, arguments:
cluster-id "
Minimum latency in microseconds of all I/O from the local cluster to the
other cluster. Takes a cluster number as an argument.
108 Performance and Monitoring