LeCroy Sierra M6-2, Руководство пользователя

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Sierra M6 ‐ 2 SAS/SATA Protocol Analyzer User Manual 45
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To get an immediate overview of the bus traffic to and from your Analyzer:
1. Click the Record button.
2. The analyzer begins filling the defined memory buffer with traffic on the bus. After
the traffic fills the memory buffer, the traffic is uploaded to the viewer and the
Packet View display opens. Packet View is the default display. However, you can
view results in any of the different views by selecting
View on the menu bar and
choosing the desired View.
Layer ID with different colors
Data direction arrows
X,Y,T
Cursors
Show/Hide Layers buttons
Relative time display
(Between two sequential packets
Source and destination addresses in SCSI commands
Transport Layer command interpretation
Not shown in this capture
Show/Hide Port Data
Link
Layer
on the same layer and port)
Figure 2.5: SAS: Typical Packet View Results Display
Note:
When using the Advanced Mode sequencer, the analyzer logs the state transitions in the trace,
with the name the user gives to the state.
In the Packet View, right ‐ click on any packet and select Show ‐ >State , to display these
states and their transitions in the trace.
SAS: In case of an STP interface, the expander displays STP addresses provided to the SATA
drive and the SAS software integrates the STP addresses in the ATA command.
The results display shows each transaction for every layer identified in a different color
and the data direction identified with data direction arrows. Upstream traffic has an
arrow from right to left:

. Downstream traffic has an arrow left to right:

.