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
● front-end-performance-stats stop - stops a running performance statistics collection.
● front-end-performance-stats start - starts a running performance statistics collection.
● front-end-performance-stats status - displays the status of front-end performance statistics collection.
NOTE: For more information on the commands, see the CLI Reference Guide for metro node.
Statistics tables
The following tables list the statistics in each category:
● Back-end fibre channel port (be-prt) statistics
● Cache statistics
● Director statistics
● Front-end director (fe-director) statistics
● Front-end volume (fe-lu) statistics
● Front-end port (fe-prt) statistics
● Remote RAID (ramf) statisticsRemote RAID (ramf) statistics
● Storage-volume statistics
● Virtual-volume statistics
● IP WAN COM (ip-com-port) statistics - Monitors IP ports (any port with GE or XG in the port name).
● IP Congestion Control Statistics
● COM cluster I/O statistics
● COM Path statistics
● COM Endpoint Statistics
● XCOPY Statistics
● Host Initiator Statistics
Table 15. Back-end fibre channel port (be-prt) statistics
Statistic Type Description
be-prt.read
"type: counter, units: bytes/second,
arguments: port# "
Back-end port reads Number of bytes read through the specified FC port.
be-prt.write
"type: counter, units: bytes/second,
arguments: port# "
Back-end port writes Number of bytes written through the specified FC
port.
Table 16. Director statistics
Statistic Type Description
director.async-write Back-end writes Number of asynchronous writes in KB/second.
director.be-aborts
"type: counter, units: counts/second,
arguments: none "
Back-end operations Number of aborted I/O operations through the
director’s back-end ports.
director.be-busies back-end operations Number of busy notifications on this director.
director.be-ops
"type: counter, units: counts/second,
arguments: none "
Back-end operations Number of I/O operations through the director’s back-
end ports.
director.be-ops-read
"type: counter, units: counts/second,
arguments: none "
Back-end reads Number of reads by the director’s back-end ports.
director.be-ops-write Back-end writes Number of writes through the director’s back-end ports.
Performance and Monitoring 101