Measure Reference Manual

Except for NonStop BladeSystems, each CLIM is uniquely identified by group-module-slot-port,
which identifies the CLIM in terms of the physical location of the P-Switch it is connected to
and the port on which it is connected. The group (system enclosure) and module (subset of a
group) identifies the P-Switch. The slot (physical, labeled space in a module) identifies a
particular ServerNet PIC within that P-Switch and the port. The port identifies a specific
ServerNet connector within the ServerNet PIC the CLIM is connected to. NonStop BladeSystems
require the additional fiber number to identify a CLIM.
• The activity for each storage CLIM is reported in two SERVERNET records. One reports activity
from the Storage subsystem; the other reports activity from the CIP subsystem.
The Storage subsystem record will report IO activity (READ-BYTES, WRITE-BYTES,
READ-REQUESTS, WRITE-REQUESTS and various Queue counters) for all the devices supported
by the CLIM. It will not report any Control IO activity (READ-CBYTES, WRITE-CBYTES,
READ-CREQUESTS and WRITE-CREQUESTS counters).
The CIP subsystem will report Control IO activity performed with the CLIM and will not report
any IO activity. Normally, the Control IO activity is just the low frequency pings between the
CIP subsystem and the CLIM.
Here are examples of two report records for a storage CLIM; the first is from the CIP subsystem,
the second is from the Storage subsystem.
Example from the CIP subsystem:
SAC C1002531
Adpt C1002531
CPU 6 Node Class CLMS GMS 100,2,5 Port 3 Fiber 1
Format Version: H04 Data Version: H04 Subsystem Version: 1
Local System \BLNSK2 From 26 Mar 2009, 17:13:10 For 33.6 Seconds
----------------------------------------------------------------------------
Requests 12 # Total-IO-Bytes 672 #
IO-Qtime IO-Qbusy-Time
--------- Data into this CPU -------- --------- Data out from this CPU ----
Read-Requests Write-Requests
Read-Bytes Write-Bytes
Read-Cbytes 336 # Write-Cbytes 336 #
Read-Qtime Write-Qtime
Read-Qbusy-Time Write-Qbusy-Time
Read-Crequests 6 # Write-Crequests 6 #
----------------------------------------------------------------------------
Server-Qtime
Retries Acks
X-Defrd-Busy-Time Y-Defrd-Busy-Time
Example from the Storage subsystem:
SAC C1002531
Adpt C1002531
CPU 6 Node Class CLMS GMS 100,2,5 Port 3 Fiber 1
Format Version: H04 Data Version: H04 Subsystem Version: 1
Local System \BLNSK2 From 26 Mar 2009, 17:13:10 For 33.6 Seconds
----------------------------------------------------------------------------
Requests 2,520 # Total-IO-Bytes 82,281,472 #
IO-Qtime 1.18 sec IO-Qbusy-Time 1.17 sec
--------- Data into this CPU -------- --------- Data out from this CPU ----
Read-Requests 2,514 # Write-Requests 6 #
Read-Bytes 82,231,808 # Write-Bytes 49,664 #
Read-Cbytes Write-Cbytes
Read-Qtime 1.14 sec Write-Qtime 36.71 ms
Read-Qbusy-Time 1.14 sec Write-Qbusy-Time 36.71 ms
Read-Crequests Write-Crequests
----------------------------------------------------------------------------
Server-Qtime
Retries Acks
X-Defrd-Busy-Time Y-Defrd-Busy-Time
334 Entities and Counters