IBM SAN16B-2 User Guide - Page 48

Interpreting, results

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Interpreting POST results POST is a system check that is performed each time the switch is powered on, rebooted, or reset. During POST, the LEDs flash amber and green. Any errors that occur during POST are listed in the error log. To determine whether POST completed successfully and whether or not any errors were detected: 1. Verify that the switch LEDs indicate that all components are healthy. See the tables in "LED patterns and recommended actions" on page 22 for descriptions and interpretation of LED patterns. If one or more LEDs do not display a healthy state, verify that the LEDs on the switch are not set to beacon; use the switchShow command. 2. Verify that the switch prompt displays on the terminal of a computer workstation connected to the switch. If there is no switch prompt when POST completes, press Enter. If the switch prompt still does not display, open another Telnet session or access the switch through another management tool. If this is not successful, the switch did not successfully complete POST. Contact IBM Service for repair. 3. Review the switch system log for errors. Any errors detected during POST are written to the system log, which is accessible through the errShow command. For information about all referenced commands, and on accessing the error log, refer to Brocade Fabric Administrator's Guide. For information about error messages, refer to the Brocade Fabric OS System Error Message Reference Manual. 26 SAN16B-2 Installation, Service, and User's Guide

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Interpreting
POST
results
POST
is
a
system
check
that
is
performed
each
time
the
switch
is
powered
on,
rebooted,
or
reset.
During
POST,
the
LEDs
flash
amber
and
green.
Any
errors
that
occur
during
POST
are
listed
in
the
error
log.
To
determine
whether
POST
completed
successfully
and
whether
or
not
any
errors
were
detected:
1.
Verify
that
the
switch
LEDs
indicate
that
all
components
are
healthy.
See
the
tables
in
“LED
patterns
and
recommended
actions”
on
page
22
for
descriptions
and
interpretation
of
LED
patterns.
If
one
or
more
LEDs
do
not
display
a
healthy
state,
verify
that
the
LEDs
on
the
switch
are
not
set
to
beacon
;
use
the
switchShow
command.
2.
Verify
that
the
switch
prompt
displays
on
the
terminal
of
a
computer
workstation
connected
to
the
switch.
If
there
is
no
switch
prompt
when
POST
completes,
press
Enter
.
If
the
switch
prompt
still
does
not
display,
open
another
Telnet
session
or
access
the
switch
through
another
management
tool.
If
this
is
not
successful,
the
switch
did
not
successfully
complete
POST.
Contact
IBM
Service
for
repair.
3.
Review
the
switch
system
log
for
errors.
Any
errors
detected
during
POST
are
written
to
the
system
log,
which
is
accessible
through
the
errShow
command.
For
information
about
all
referenced
commands,
and
on
accessing
the
error
log,
refer
to
Brocade
Fabric
Administrator’s
Guide
.
For
information
about
error
messages,
refer
to
the
Brocade
Fabric
OS
System
Error
Message
Reference
Manual
.
26
SAN16B-2
Installation,
Service,
and
User’s
Guide