Questions
Responses
7.
Have
any
recent
changes
been
made
to
the
network,
system
software,
or
hardware?
8.
Can
the
DR550
storage
be
accessed?
9.
Can
the
DR550
SSAM
Server
or
DR550
File
System
Gateway
ping
another
client
or
host
on
the
network?
Once
you
have
gathered
sufficient
information
about
the
problem,
use
the
following
table
to
decide
where
to
start
problem
diagnosis.
Problem
Area
Start
with
this
information
External
network
communication
Check
that
the
external
network
Ethernet
cables
are
correctly
connected
to
the
servers.
Check
that
other
systems
are
able
to
communicate
on
the
network.
v
If
other
systems
are
experiencing
network
problems,
the
problem
is
external
to
the
DR550.
v
If
the
DR550
is
the
only
system
that
is
failing,
start
with
the
DR550
SSAM
Server
Your
Guide
to
Removing,
Replacing
and
Installing
Parts
(SA38-0638).
There
could
also
be
a
problem
with
the
DR550
File
System
Gateway
(FSG)
or
an
Ethernet
switch
(DR2).
See
for
other
sources
of
information.
DR550
SSAM
Server
service
request
number
or
other
server
problem
indications.
Diagnostic
Information
for
Multiple
Bus
Systems
(SA38-0509).
Examine
the
system
runtime
error
log.
See
DR550
SSAM
Server
See
the
for
publications.
DR550
File
System
Gateway
x3650
Problem
Determination
and
Service
Guide
DR550
SAN
Switch
problems
IBM
System
Storage
SAN
Switch
2005
Model
B16
Installation,
Service
and
User’s
Guide
.
See
for
other
sources
of
information.
DR550
Storage
Controller
Problem
resolution
information
in
the
DS4200
Installation,
User’s
and
Maintenance
Guide
DR550
Storage
Expansion
Unit
Problem
resolution
information
in
the
DS4000
EXP420
Storage
Expansion
Enclosure
Installation,
Users
and
Maintenance
Guide
AIX
or
HACMP
AIX
5L
™
for
Power
V5.3
Documentation
CD.
See
for
other
sources
of
information
for
specific
pointers
to
files
on
this
CD.
DR550
Storage
Manager
DS4000
Storage
Manager
Concepts
Guide
and
DS4200
Storage
Server
Installation,
User’s
and
Maintenance
Guide
4
DR550
Version
4.5
Problem
Determination
and
Service
Guide
Summary of Contents for DR550
Page 1: ...IBM System Storage DR550 Version 4 5 Problem Determination and Service Guide GA32 0576 00...
Page 2: ......
Page 3: ...IBM System Storage DR550 Version 4 5 Problem Determination and Service Guide GA32 0576 00...
Page 4: ...ii DR550 Version 4 5 Problem Determination and Service Guide...
Page 8: ...vi DR550 Version 4 5 Problem Determination and Service Guide...
Page 20: ...xviii DR550 Version 4 5 Problem Determination and Service Guide...
Page 28: ...xxvi DR550 Version 4 5 Problem Determination and Service Guide...
Page 78: ...50 DR550 Version 4 5 Problem Determination and Service Guide...
Page 88: ...60 DR550 Version 4 5 Problem Determination and Service Guide...
Page 96: ...68 DR550 Version 4 5 Problem Determination and Service Guide...
Page 102: ...74 DR550 Version 4 5 Problem Determination and Service Guide...
Page 108: ...80 DR550 Version 4 5 Problem Determination and Service Guide...
Page 118: ...90 DR550 Version 4 5 Problem Determination and Service Guide...
Page 185: ...DR1 power cabling Figure 88 DR1 Power Cabling Appendix A DR1 and DR2 cabling diagrams 157...
Page 186: ...Figure 89 DR1 Power Cabling 158 DR550 Version 4 5 Problem Determination and Service Guide...
Page 191: ...Figure 96 Expansion Drawer port identification Appendix A DR1 and DR2 cabling diagrams 163...
Page 246: ...218 DR550 Version 4 5 Problem Determination and Service Guide...
Page 252: ...224 DR550 Version 4 5 Problem Determination and Service Guide...
Page 257: ......
Page 258: ...Printed in USA GA32 0576 00...
