Protecting
Y
our
System
from
the
Effects
of
a
System
Crash
The
most
imp ortant
use
of
a
bac
kup
is
to
reco
v
er
from
a
system
crash
.
In
the
most
serious
t
yp e
of
system
crash,
it
is
imp ossible
to
reb o ot
y
our
system
from
the
ro
ot
disk
b ecause
the
data
on
the
disk
has
b een
corrupted,
or
the
disk
itself
may
ha
v
e
b een
damaged.
In
this
situation,
y
ou
m
ust
b o ot
y
our
computer
from
an
alternate
device,
suc
h
as
a
DDS
tap
e
driv
e.
Y
ou
cannot
b o ot
y
our
system
from
a
bac
kup.
Y
ou
can
start
y
our
system
only
from
a
b o otable
image
on
a
disk
or
on
a
tap
e.
A
reco
v
ery
system
con
tains
suc
h
a
b o otable
image,
along
with
a
small
subset
of
y
our
le
system,
just
enough
to
get
y
our
computer
started
after
a
disk
failure.
Unlike
a
bac
kup,
a
reco
v
ery
system
can
b e
used
to
start
y
our
computer.
Once
y
ou
get
the
computer
op erating
again,
y
ou
can
restore
all
of
y
our
les
from
a
bac
kup.
F
or
instructions
on
creating
a
reco
v
ery
system,
see
\Creating
a
Reco
v
ery
System",
the
next
section
in
this
c
hapter.
F
or
instructions
on
using
a
reco
v
ery
system,
see
\Using
the
Reco
v
ery
System"
in
Chapter
6.
Creating
a
Reco
v
ery
System
Y
ou
need
some
kno
wledge
of
device
les
to
create
a
reco
v
ery
system.
The
DDS
tap
e
driv
e
and
the
disks
inside
y
our
system
use
device
les
to
receiv
e
and
transmit
data.
The
DDS
tap
e
driv
e
uses
the
device
le
called
/dev/update.src
The
pro cedure
describ ed
here
assumes
that
y
ou
are
using
a
DDS
tap
e
driv
e
to
create
a
reco
v
ery
system.
Y
ou
may
use
other
devices
for
the
reco
v
ery
system,
suc
h
as
a
magneto-optical
disk
or
a
spare
hard
disk.
Y
ou
may
not
use
a
opp
y
disk,
though,
b ecause
it
do es
not
ha
v
e
enough
storage
capacity
to
hold
the
reco
v
ery
leset.
T
o
create
a
reco
v
ery
system:
1.
Log
in
as
sup eruser
( root ).
See
A
Be
ginner's
Guide
to
HP-UX
for
information
on
ho
w
to
log
in
from
the
shell
prompt.
2.
Prepare
a
DDS
tap
e
cassette
for
use
as
a
reco
v
ery
system.
Make
sure
that
the
cassette
is
not
write-protected.
T
o
do
this,
c
hec
k
the
rear
of
the
cassette.
Y
ou
will
see
a
sliding
tab
in
one
corner.
This
tab
is
used
to
op en
4-2
Protecting
Y
our
File
System
Содержание Apollo 9000 750
Страница 24: ...Figure 1 5 Connectors Mounted on the System Bulkhead 1 8 Your HP Apollo 9000 Model 750 Computer ...
Страница 27: ...Figure 1 7 Color Graphic Card Bulkhead Your HP Apollo 9000 Model 750 Computer 1 11 ...
Страница 28: ...Figure 1 8 Grayscale Graphic Card Bulkhead 1 12 Your HP Apollo 9000 Model 750 Computer ...
Страница 29: ...Figure 1 9 Graphic Interface Card Bulkhead Your HP Apollo 9000 Model 750 Computer 1 13 ...
Страница 32: ......
Страница 60: ...15 Click on the NNNNNNNNNNNNNNNNNNNNNNNNNN Main Menu softkey d a c b 2 28 Starting Up Your Computer ...
Страница 67: ...5 When this window appears double click on the HALTSYS icon d a c b Starting Up Your Computer 2 35 ...
Страница 98: ......
Страница 108: ......
Страница 119: ...Figure 5 4 SIMM Card Removal Replacement Addition Expanding Your Computer and Replacing Its Parts 5 11 ...
Страница 121: ...Figure 5 5 Lithium Battery Location Expanding Your Computer and Replacing Its Parts 5 13 ...
Страница 123: ...Figure 5 6 Location of the LAN Type Jumpers on the System Card Expanding Your Computer and Replacing Its Parts 5 15 ...
Страница 125: ...Figure 5 7 Graphics Card Removal Expanding Your Computer and Replacing Its Parts 5 17 ...
Страница 168: ...Figure 6 1 LED Array 6 26 Troubleshooting ...
Страница 174: ......
