Table
15.
SAS
boot
errors
(continued)
Code
Message
Description
Action
E430A
SAS
disk
block
size
not
found!
The
Open
Firmware
Device
Tree
(see
IEEE
1275)
has
become
corrupted.
This
might
indicate
a
blade
server
firmware
problem.
1.
Reboot
the
blade.
2.
Power
down
then
remove
and
reinstall
the
blade
server
in
the
BladeCenter
unit.
3.
If
the
error
started
after
a
blade
server
firmware
update,
consider
a
rolling
back
to
the
previous
firmware
version.
Check
with
the
documentation
at
http://www.ibm.com/systems/
bladecenter/support/
to
verify
whether
rollback
is
possible.
4.
Update
the
blade
firmware.
5.
If
the
error
started
after
an
Open
Firmware
script
change
(for
example,
a
custom
startup
script),
verify
the
script.
6.
If
the
error
started
after
activating
an
Open
Firmware
script,
(for
example
by
setting
use-nvramrc?
configuration
variable),
verify
the
script.
7.
Reproduce
the
blade
Open
Firmware
environment
(firmware
version,
scripts,
configuration
variables,
hardware
configuration
etc.)
with
another
blade
server.
8.
If
the
error
started
after
a
hardware
was
added
or
removed,
consider
rolling
back
to
the
original
hardware
configuration.
Chapter
5.
Diagnostics
and
troubleshooting
89
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