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White Rabbit Switch - Software
Commit 64d6206e authored by Grzegorz Daniluk's avatar Grzegorz Daniluk
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doc/wrs_failures: use BC instead of Slave for the timing mode

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doc/wrs_failures/fail.tex
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......@@ -26,7 +26,7 @@ fail. The structure of each error description is the following:
\item [] \underline{Mode}: for timing failures, it describes which modes are
affected. Possible values are:
\begin{packed_items}
\item \emph{Slave} - the WR Switch has at least one Slave port
\item \emph{Boundary Clock} - the WR Switch has at least one Slave port
synchronized to another WR device higher in the timing hierarchy (though
it may be also Master to other WR/PTP devices lower in the timing
hierarchy).
......@@ -64,7 +64,7 @@ WR network.
\begin{pck_descr}
\item [] \underline{Status}: DONE
\item [] \underline{Severity}: ERROR
\item [] \underline{Mode}: \emph{Slave}
\item [] \underline{Mode}: \emph{Boundary Clock}
\item [] \underline{Description}:\\
If the \emph{PTP/PPSi} WR servo goes out of the \texttt{TRACK\_PHASE}
state, this means something bad has happened and the switch lost the
......@@ -86,11 +86,11 @@ WR network.
\begin{pck_descr}
\item [] \underline{Status}: DONE
\item [] \underline{Severity}: ERROR
\item [] \underline{Mode}: \emph{Slave}
\item [] \underline{Mode}: \emph{Boundary Clock}
\item [] \underline{Description}:\\
This may happen if the Master resets its WR time counters (e.g. because
it lost the link to its Master higher in the hierarchy or to external
clock), but the Slave switch does not follow the jump.
clock), but the WR Slave does not follow the jump.
\item [] \underline{SNMP objects}:\\
{\footnotesize
\snmpadd{WR-SWITCH-MIB::wrsPtpClockOffsetPs.<n>} -- value of the offset in ps\\
......@@ -106,7 +106,7 @@ WR network.
\begin{pck_descr}
\item [] \underline{Status}: DONE
\item [] \underline{Severity}: ERROR
\item [] \underline{Mode}: \emph{Slave}
\item [] \underline{Mode}: \emph{Boundary Clock}
\item [] \underline{Description}:\\
Once a WR link is established the round-trip delay (RTT) can change
smoothly due to the temperature variations. However, if a sudden jump is
......@@ -152,10 +152,10 @@ WR network.
\item [] \underline{Severity}: ERROR
\item [] \underline{Mode}: \emph{all}
\item [] \underline{Description}:\\
If the \emph{SoftPLL} loses lock, for any reason, Slave or Grand Master
switch can no longer be syntonized and phase aligned with its time
source. WRS in Free-running mode without properly locked Helper PLL is
not able to perform reliable phase measurements for enhancing Rx
If the \emph{SoftPLL} loses lock, for any reason, Boundary Clock or
Grand Master switch can no longer be syntonized and phase aligned with
its time source. WRS in Free-running mode without properly locked Helper
PLL is not able to perform reliable phase measurements for enhancing Rx
timestamps resolution. For a Grand Master the reason of \emph{SoftPLL}
going out of lock might be disconnected 1-PPS/10MHz signals or that the
external clock is down. In that case, the switch goes into Free-running
......@@ -203,7 +203,7 @@ WR network.
\item [] \underline{Status}: DONE
\item [] \underline{Severity}: ERROR (will become WARNING with the
switch-over)
\item [] \underline{Mode}: \emph{Slave}
\item [] \underline{Mode}: \emph{Boundary Clock}
\item [] \underline{Description}:\\
If a Boundary Clock switch loses the link on its Slave port, the timing
reference is lost. The switch resets counters responsible for keeping
......@@ -373,11 +373,11 @@ WR network.
\begin{pck_descr}
\item [] \underline{Status}: for later
\item [] \underline{Severity}: ERROR
\item [] \underline{Mode}: \emph{Slave}, \emph{Grand Master}
\item [] \underline{Mode}: \emph{Boundary Clock}, \emph{Grand Master}
\item [] \underline{Description}: \emph{(not yet implemented)}\\
In case the primary timing link breaks, switchover is responsible for
seamless switching to the backup one to keep the device in sync. If WRS
operates in a \emph{Slave} mode, switchover is about switching
operates in a \emph{Boundary Clock} mode, switchover is about switching
between two (or more) WR links to one or multiple WR Masters. If it
operates in a \emph{Grand Master} mode, it is about broken/lost
connection to an external reference and switching to a backup WR link
......
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