Administrator Guide

Table Of Contents
Table 16. Front-end director (fe-director) statistics (continued)
Statistic Type Description
type: period-average, units:us,
arguments: none
Table 17. Front-end volume (fe-lu) statistics
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
Performance and Monitoring 101