- Notes, cautions, and warnings
- Preface
- CLI Workspace and User Accounts
- Meta Volumes
- System Management
- Events and alerts
- About call-home notifications
- Additional documentation
- SupportAssist MFT feature
- Event log locations
- System Configuration log location
- SupportAssist Syslog
- SupportAssist syrcollect feature
- SupportAssist Connectivity Command
- Hardware acceleration with VAAI
- Offload copy overhead with XCOPY
- Change the name of the cluster
- LCD Front Panel settings
- 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
Dell EMC Metro node 7.1 Administrator Guide
Statistics tables
The following tables list the statistics in each category:
- Back-end fibre channel port (be-prt) statistics
- Cache statistics
- COM cluster I/O statistics
- COM Endpoint Statistics
- COM Path statistics
- Director statistics
- Front-end director (fe-director) statistics
- Front-end port (fe-prt) statistics
- Front-end volume (fe-lu) statistics
- Host Initiator Statistics
- IP Congestion Control Statistics
- IP WAN COM (ip-com-port) statistics - Monitors IP ports (any port with GE or XG in the port name).
- Remote RAID (ramf) statisticsRemote RAID (ramf) statistics
- Storage-volume statistics
- Virtual-volume statistics
- XCOPY 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. |
| 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
type: counter, units: counts/second, arguments: none |
Back-end writes | Number of writes through the director’s back-end ports. |
| director.be-ops-ws | Back-end operations | Number of back-end write same operations |
| director.be-qfulls | back end writes | Number of queue full notifications for this back end port. |
director.be-read
type: counter, units: bytes/second, arguments: none |
Back-end reads | Number of bytes read by the director’s back-end ports. |
| director.be-resets | counter | Number of back end resets per second |
| director.be-timeouts | counter | Number of back end timeouts per second. |
| director.be-unitattns | counter | Number of back end unit attentions per second. |
director.be-write
type: counter, units: bytes/second, arguments: none |
Back-end writes | Number of bytes written by the director’s back-end ports. |
director.be-ws
type: counter, units: bytes/second, arguments: none |
Back-end WriteSame | Back-end WriteSame details. |
director.busy
type: reading; units: percentage, arguments: none |
CPU | Percentage of CPU usage. |
director.com-bytes-active
type: reading, units: counts, arguments: target director |
Communication bytes active | Number of bytes active to a remote director. |
director.com-bytes-queued
type: reading, units: counts, arguments: target director |
Communication bytes queued | Number of bytes queued to a remote director. |
director.com-ops-active
type: reading, units: counts, arguments: target director |
Communication operations active | Number of operations active to a remote director. |
director.com-ops-queued
type: reading, units: counts, arguments: target director |
Communication operations queued | Number of operations queued to a remote director. |
director.dr1-rbld-active
type: reading, units: counts, arguments: none |
Distributed Rebuild Active Operations | Number of distributed-device rebuilds active on the director. |
director.dr1-rbld-recv
type: counter, units: bytes/second, arguments: none |
Distributed rebuild bytes received | Number of bytes received by this node from remote node(s) for rebuild traffic (reads and/or writes). |
director.dr1-rbld-sent
type: counter, units: bytes/seconds, arguments: none |
Distributed rebuild bytes sent | Number of bytes sent by this node to remote node(s) for rebuild traffic (reads and/or writes) |
director.fe-ops
type: counter, units: counts/second, arguments: none |
Front-end operations | Number of I/O operations through the director’s front-end ports. |
director.fe-ops-act
type: reading, units: counts, arguments: none |
Front-end operations active | Number of active outstanding I/O operations on the director’s front-end ports. |
director.fe-ops-q
type: reading, units: counts, arguments: none |
Front-end operations queued | Number of queued outstanding I/O operations on the director’s front-end ports. |
director.fe-ops-read
type: counter, units: counts/second, arguments: none |
Front-end reads | Number of reads on the director’s front-end ports. |
director.fe-ops-write
type: counter, units: counts/second arguments: none |
Front-end writes | Number of writes on the director’s front-end ports. |
director.fe-read
type: counter, units: bytes/second, arguments: none |
Front-end reads | Number of bytes read from the director’s front-end ports. |
director.fe-write
type: counter, units: bytes/second, arguments: none |
Front-end writes | Number of bytes written to the director’s front-end ports. |
director.heap-used
type: reading; units: percentage, arguments: none |
Memory | Percentage of memory usage on the director. |
director.local-rbld-active
type: reading, units: counts, arguments: none |
Local Rebuild Active Operations | Number of local device rebuilds active on the director. |
director.local-rbld-read
type: counter, units: bytes/second, arguments: none |
Local Rebuild Reads | Number of bytes read for local rebuilds on the director. |
director.local-rbld-read-latency
type: period-average, units: us, arguments: none |
Local Rebuild Read Latency | Average latency in microseconds of local rebuild read operations on the director. |
director.local-rbld-write
type: counter, units: bytes/second, arguments: none |
Local Rebuild Writes | Number of bytes written for local rebuilds on the director. |
director.local-rbld-write-latency
type: period-average, units: us, arguments: none |
Local Rebuild Write Latency | Average latency in microseconds of local rebuild write operations on the director. |
| director.msg-avg-lat | Average latency | The average latency of messages sent from this director. |
| director.msg-max-lat | Maximum latency | The maximum latency of messages sent from this director. |
| director.msg-min-lat | Minimum latency | The minimum latency of messages sent from this director. |
| director.msg-send-ops | number of operations | The total number of messages sent from this director. |
director.per-cpu-busy
type: reading, units: percentage, arguments: none |
CPU busy | The total utilization (user and system) of each CPU in the director. |
| Statistic | Type | Description |
|---|---|---|
fe-director.aborts
type: counter, units: counts/second, arguments: none |
Front-end operations | Number of aborted I/O operations through the director’s front-end ports. |
fe-director.caw-lat
type: bucket, units: microsecond, arguments: none |
CompareAndWrite operations latency | CompareAndWrite latency in microseconds on the specified director’s front-end ports. The latency bucket is reduced to three buckets from 0 to maximum instead of 64 latency buckets collected within the metro node firmware. |
fe-director.read-lat
type: bucket, units: microsecond, arguments: none |
Front-end director read latency | Read latency distribution in microseconds on the director’s front-end ports. |
fe-director.write-lat
type: bucket, units: microsecond, arguments: none |
Front-end director write latency | Write latency distribution in microseconds on the director’s front-end ports. |
fe-director.ws16-avg-lat
type: period-average, units: us, arguments: none |
Front-end director writesame average latency | Average WriteSame latency distribution on the director’s front-end ports. |
fe-director.unmap-ops
type: counter, units: counts/second, arguments: none |
Front-end director unmap operations | Number of unmap operations per second on the specified front-end director |
fe-director.unmap-avg-lat
type: period-average, units:us, arguments: none |
Front-end director average unmap latency | Average latency in microseconds of unmap operations at the specified front-end director |
| Statistic | Type | Description |
|---|---|---|
fe-lu.caw-lat
type: bucket, units: microsecond, arguments:volume-id |
CompareAndWrite operations latency | CompareAndWrite latency in microseconds on the specified front-end volume. |
fe-lu.caw-mis
type: counter, units: counts/second, arguments: volume-id |
CompareAndWrite miscompares | Number of CompareAndWrite miscompares on the specified front-end volume. |
fe-lu.caw-ops
type: counter, units: counts/second, arguments: volume-id |
CompareAndWrite operations | Number of CompareAndWrite operations on the specified front-end volume. |
fe-lu.ops
type: counter, units: counts/second, arguments: volume-id |
Front-end volume operations | Number of I/O operations on the specified front-end volume. |
fe-lu.read
type: counter, units: bytes/second, arguments: volume-id |
Front-end volume reads | Number of reads on the specified front-end volume. |
fe-lu.read-lat
type: bucket, units: microsecond, arguments: volume-id |
Front-end volume read latency | Read latency distribution in microseconds on the specified front-end volume. |
fe-lu.write
type: counter, units: bytes/second, arguments: volume-id |
Front-end volume writes | Number of writes on the specified front-end volume. |
fe-lu.write-lat
type: bucket, units: microsecond, arguments: volume-id |
Front-end volume write latency | Write latency distribution in microseconds on the specified front-end volume. |
fe-lu.ws16-avg-lat
type: period-average, units: us, arguments: virtual-volume |
Front-end volume average WriteSame latency | Average WriteSame latency distribution on the specified front-end volume. |
fe-lu.ws16-ops
type:counter, units: counts/second, arguments: virtual-volume |
Front-end volume WriteSame operations | Number of WriteSame operations on the specified front-end volume. |
fe-lu.unmap-ops
type: counter, units: counts/second, arguments: virtual-volume |
Front-end volume unmap operations | Number of unmap operations per second on the specified front-end volume |
fe-lu.unmap-avg-lat
type: period-average, units:us, arguments: virtual-volume |
Front-end volume average unmap latency | Average latency in microseconds of unmap operations at the specified front-end volume |
| Statistic | Type | Description |
|---|---|---|
fe-prt.caw-lat
type: bucket, units: microsecond, arguments:port# |
CompareAndWrite operations latency | CompareAndWrite latency in microseconds on the specified front-end port. |
fe-prt.caw-mis
type: counter, units: counts/sec, arguments: port# |
CompareAndWrite miscompares | Number of CompareAndWrite miscompares on the specified front-end port. |
fe-prt.caw-ops
type: counter, units: counts/sec, arguments: port# |
CompareAndWrite operations | Number of CompareAndWrite operations on the specified front-end port. |
fe-prt.ops
type: counter, units: counts/sec, arguments: port# |
Front-end port operations | Number of I/O operations on the specified front-end FC port. |
fe-prt.read
type: counter, units: bytes/sec, arguments: port# |
Front-end port reads | Number of bytes read from the specified front-end FC port. |
fe-prt.read-lat
type: bucket, units: microsecond, arguments: port# |
Front-end port read latency | Read latency distribution in microseconds on the specified front-end FC port. |
fe-prt.write
type: counter, units: bytes/second, arguments: port# |
Front-end port writes | Number of bytes written to the specified front-end FC port. |
fe-prt.write-lat
type: bucket, units: microsecond, arguments: port# |
Front-end port write latency | Write latency distribution in microseconds on the specified front-end FC port. |
fe-prt.ws16-avg-lat
type: period-average, units: us, arguments: frontend-port |
Front-end port average WriteSame latency | Average WriteSame latency distribution on the specified front-end FC port. |
fe-prt.ws16-ops
type: counter, units: counts/second, arguments: frontend-port |
Front-end port WriteSame operations | Number of WriteSame operations on the specified front-end FC port. |
fe-prt.unmap-ops
type: counter, units: counts/second, arguments: frontend-port |
Front-end port unmap operations | Number of unmap operations per second seen at specified port. |
fe-lu.unmap-avg-lat
type: period-average, units:us, arguments: frontend-port |
Front-end port average unmap latency | Average latency in microseconds of unmap operations at the specified front-end port. |
| Statistic | Type | Description |
|---|---|---|
ramf.cur-op
type: reading, units: counts, arguments: none |
Current op count | Instantaneous count of remote RAID operations. |
ramf.exp-op
type: counter, units: counts/second, arguments: none |
Remote operations | Total number of remote IOPS. |
ramf.exp-rd
type: counter, units: bytes/second, arguments: none |
Remote reads | Remote reads from another cluster to a disk or LUN at the local cluster. |
ramf.exp-wr
type: counter, units: bytes/second, arguments: none |
Remote writes | Remote writes from another cluster to a disk or LUN at the local cluster. |
ramf.imp-op
type: counter, units: counts/second, arguments: none |
Imported ops | Number of operations that have been requested by a given director, regardless of remote target. |
ramf.imp-rd
type: counter, units: bytes/second, arguments: none |
Imported reads | Reads from the local cluster to a disk or LUN at a remote cluster. |
ramf.imp-wr
type: counter, units: bytes/second, arguments: none |
Imported writes | Writes from the local cluster to a disk or LUN at a remote cluster. |
ramf.imp-rd-avg-lat
type: period-average, units: microseconds, arguments: none |
Imported reads | Average latency of remote reads from the local cluster to a disk or LUN at a remote cluster. |
ramf.imp-wr-avg-lat
type: period-average, units: microseconds, arguments: none |
Imported writes | Average latency of remote writes from the local cluster to a disk or LUN at a remote cluster. |
| Statistic | Type | Description |
|---|---|---|
storage-volume.per-storage-volume-read-latency
type: bucket, units: microsecond, arguments: volume-id |
Volume read latency | Read latency distribution in microseconds on the specified storage volume. |
storage-volume.per-storage-volume-write-latency
type: bucket, units: microsecond, arguments: volume-id |
Volume write latency | Write latency distribution in microseconds on the specified storage volume. |
storage-volume.read-latency
type: bucket, units: microsecond, arguments: none |
Average volume read latency | Average read latency distribution in microseconds on all storage volumes. |
storage-volume.write-latency
type: bucket, units: microsecond, arguments: none |
Average volume write latency | Average write latency distribution in microseconds on all storage volumes. |
storage-volume.write-same-avg-lat
type: period-average, units: us, arguments: none |
Average volume WriteSame latency | Average writesame latency distribution on all storage volumes. |
| Statistic | Type | Description |
|---|---|---|
virtual-volume.dirty
type: reading, units: counts, arguments: volume-id |
Volume dirty | Number of modified pages in cache for the specified virtual volume. |
virtual-volume.ops
type: counter, units: counts/second, arguments: volume-id |
Volume operations | Total number of I/O operations for the specified virtual volume. |
virtual-volume.read
type: counter, units: bytes/second, arguments: volume-id |
Volume reads | Number of reads in bytes for the specified virtual volume. |
virtual-volume.write
type: counter, units: bytes/second, arguments: volume-id |
Volume writes | Number of writes in bytes for the specified virtual volume. |
| Statistic | Type | Description |
|---|---|---|
| ip-com-port.recv-pckts | Counter, units: counts/second, arguments: port-name | Number of packets received through UDP on this IP WAN COM port. |
| ip-com-port.send-bytes | Counter, units: bytes/second, arguments: port-name | Number of bytes sent through UDP on this IP WAN COM port. |
| ip-com-port.send-drops | Counter, units: counts/second, arguments: port-name | Number of sent packets dropped on this IP WAN COM port. |
| 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 |
| 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. |
| 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. |
com-cluster-io.send-ops
type:reading, units: none, arguments: cluster-id |
Number of I/O send operations to the cluster. |
| com-cluster-io.ops-active | Current outstanding messages to a site. |
| com-cluster-io.bytes-active | Current outstanding bytes to a site. |
| com-cluster-io.bytes-queued | Current queued bytes to a site. |
| com-cluster-io.ops-queued | Current queued messages to a site. |
| Statistic | Description |
|---|---|
| com-io-group.io-tm-avg | Average latency on this channel group in last 5 seconds (updated every 5 seconds). |
| com-io-group.io-tm-cnt | Messages sent on this channel group in last 5 seconds (updated every 5 seconds). |
| com-io-group.io-tm-max | Maximum latency on this channel group in last 5 seconds (updated every 5 seconds). |
| com-io-group.io-tm-min | Minimum latency on this channel group in last 5 seconds (updated every 5 seconds). |
| com-io-group.msg-b-in | Always returns zero. |
| com-io-group.msg-b-out | Total bytes sent on this channel group. |
| com-io-group.msg-cnt-in | Always returns zero. |
| com-io-group.msg-cnt-out | Total messages sent on this channel group. |
| Statistic | Description |
|---|---|
| com-path.ping-count | Number of ping packets sent. These are used to help calculate latency. |
| com-path.ping-late | Number of ping packets that took too long. |
| com-path.ping-lost | Number of ping packets lost. |
| com-path.posted-bytes | Number of transmit bytes posted. (Bytes queued for transmission). |
| com-path.posted-send-ack | Number of ACK buffers posted. (ACK buffers queued for transmission). |
| com-path.posted-send-ctl | Number of control buffers posted. (Control buffers queued for transmission). |
| com-path.rtt-avg | Average round trip time for data to travel along the path. |
| com-path.rtt-max | Max round trip time for data to travel along the path. |
| com-path.rtt-min | Min round trip time for data to travel along the path. |
| com-path.send-bytes | Number of data bytes send along this path. This includes data plus UDCOM headers. |
| com-path.send-posted-bytes | Number of transmit data buffers posted. Put another way, data queued for transmission. |
| Statistic | Description |
| com-endpoint.ack-bytes-recv | Number of ACK bytes received. |
| com-endpoint.ack-bytes-sent | Number of ACK bytes sent. |
| com-endpoint.ack-pckts-recv | Number of ACK packets received. |
| com-endpoint.ack-pckts-sent | Number of ACK packets sent. |
| com-endpoint.cx-bad-ver | Number of incorrect version of control packets. |
| com-endpoint.cx-bytes-recv | Number of control bytes received. |
| com-endpoint.cx-bytes-sent | Number of control bytes sent. |
| com-endpoint.cx-pckts-recv | Number of control packets received. |
| com-endpoint.cx-pckts-routed | Number of routed control packets. |
| com-endpoint.cx-pckts-sent | Number of control packets sent. |
| com-endpoint.data-bytes-recv | Number of data bytes received. |
| com-endpoint.data-bytes-sent | Number of data bytes sent. |
| com-endpoint.data-padding-recv | Number of padding data packets received. |
| com-endpoint.data-pckts-badkey | Number of packets that have an invalid domain key. |
| com-endpoint.data-pckts-badlen | Number of invalid data packet length. |
| com-endpoint.data-pckts-recv | Number of data packets received. |
| com-endpoint.data-pckts-routed | Number of routed data packets. |
| com-endpoint.data-pckts-runt | Number of data packets that are less than 64 bytes long. |
| com-endpoint.data-pckts-sent | Number of data packets sent. |
| com-endpoint.rx-ack-buf-pend-pckts | Number of pending ack buffers to be processed. This is the number of ACK packets that have come in, but not yet processed. |
| com-endpoint.rx-credits | Number of receive credits. |
| com-endpoint.tx-posted-bytes | Number of transmitted bytes posted. (Bytes queued to be transmitted). |
| Statistic | Description |
|---|---|
| fe-director.xcopy-avg-lat | Average latency to process all front-end received XCOPY for a given director, in micro seconds. Automatically collected as a part of perpetual monitoring. The collected values are available through the perpetual monitoring file localed on metro node Management Server at /var/log/VPlex/cli/director-[1|2]-[1|2]-[A|B]_PERPETUAL_vplex_sys_perf_mon.log |
| fe-director.xcopy-ops | The number of XCOPY operations completed per second for a given director. |
| fe-lu.xcopy-avg-lat | Average latency to process front-end XCOPYreceived for a given metro node virtual volume, of a specific director,in micro seconds, for a given metro node virtual volume |
| fe-lu.xcopy-ops | Count of XCOPY operations processed by a given metro node virtual volume of a specific director |
| fe-prt.xcopy-avg-lat | Average latency to process front-end XCOPY received on a given front-end port, of a specific director, in micro seconds at the port level |
| fe-prt.xcopy-ops | Count of XCOPY operations processed by a given metro node front-end port of a specific director |
| Statistic | Description |
|---|---|
host-init.unmap-ops
type: counter, units: counts/second, arguments: none |
Host initiator unmap operations. |
host-init.unmap-avg-lat
type: period-average, units:us, arguments: none |
Host initiator average unmap latency. |
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