EMC Celerra User Manual

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Celerra Network Server Command Reference Manual
The server Commands
EXAMPLE #3 To view the verbose statistics for an active NDMP restore session on
server_2:
$ server_pax server_2 -stats -verbose
server_2 :
************** SUMMARY PAX STATS ****************
---- NASS STATS ----
nass00 is not doing backup
Total bytes
processed
bytes backed up since the last reset or start of the current backup.
Total file
processed
number of files backed up since the start or reset of the current backup.
Throughput how fast NASA processed data.
Average file size average file size for the current backup.
Total nasa wait
nass count time
number of times NASA waited for NASS.
Total nasa wait
nass time
amount of time NASA waited for NASS.
Total time since
last reset
amount of time since the backup statistics were reset; a reset occurs automatically when a backup
completes.
Tape device name target device for the backup data.
File size
statistics
statistics on the size of files backed up since the start or reset of the current backup.
NASW STATS thread responsible for getting data from the buffer pool, writing it to tape or sending it to a remote Data
Mover.
Session total time total time of the current session.
Session idle time idle time for the current session.
KB transferred total KB transferred.
Average transfer
rate
per second and per hour transfer rate for the current session’s data.
Average burst
transfer
burst transfer rate in MB/s and GB/s.
Write block
counters
(List/Direct)
Scatter/gather write count.
_Point-in-time_
(over the last 10
seconds)
information on data processed during a 10 second interval.
Rate transfer rate in MB/s.
Burst burst transfer rate in MB/s.
Idle amount of time NASW was idle in msec.
Get pool number of buffers in get pool; if value is consistently 0, then NASA and NASS may be slowing down
the backup.
Put pool number of buffers in put pool; if value is consistently 0, then the tape may be slowing down the
backup.
Compression rate
retrieved
compression rate.
ReadC read compression rate at the tape device.
WriteC write compression rate at the tape device.
Read amount of data read in KB.
Written amount of data written in KB.
Value Definition

EMC Celerra Specifications

General

Brand	EMC
Model	Celerra
Category	Server
Language	English