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5-2 Dell PowerEdge Cluster (PowerEdge 4200) Installation and Troubleshooting Guide
The redundant array of inexpen-
sive disks (RAID) drives in the
SDS 100 storage system are not
accessible by one of the cluster
nodes, or the shared storage
subsystem is not functioning
properly with the cluster
software.
The SCSI cables are loose or
defective, or the cables
exceed the maximum allow-
able length of 4 meters (m).
The appropriate cluster-
specific PowerEdge
Expandable RAID Control-
ler driver is not running on
the system.
The RAID controllers con-
nected to a single storage
system are not configured
consistently.
If the cluster has multiple
SDS 100 storage systems,
the cabling between the
RAID controller and the
storage systems is wrong.
The SCSI cable between the
node and the shared storage
subsystem is faulty or not
connected.
Check the cable connections or replace the cable
with a working cable. Ensure that the length of
the cable does not exceed 4 m.
Install the RAID controller driver that came with
your system or cluster upgrade kit. Refer to
Appendix A for instructions on installing the
RAID controller driver.
Ensure that the RAID configuration is identical
between the RAID controllers connected to the
storage system.
Be sure that the cables attached to the channel 0
connectors on the RAID controllers are connected
to one storage system and the channel 1 RAID
controller cables are connected to the other stor-
age system.
Attach or replace the SCSI cable between the
cluster node and the shared storage subsystem.
The SDS 100 is not running in
1 x 8 mode.
A cluster-specific configura-
tion file for the system
configuration utility is
missing from the system.
The Cluster Mode setting in
the system configuration
utility is incorrect for a clus-
tered system.
Install the configuration file update for the system
configuration utility that came with your system
or cluster upgrade kit.
Enter the system configuration utility and change
the Cluster Mode field to Enabled. The Cluster
Mode setting tells the cluster node to download
the cluster firmware to the SDS 100 storage sys-
tem, which then sets the storage system in 1 x 8
mode. Refer to Appendix A for information on
updating the system configuration utility.
Table 5-1. Troubleshooting
(continued)
Problem Probable Cause Corrective Action