HP 234664-002 - ProLiant - ML330T02 Update Manual - Page 12

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HP 234664-002 - ProLiant - ML330T02 Update Manual
ISS Technology Update
Scenario
Single/Multiple fan(s) fail; OS without
health driver
*Depending upon the setting for the Insight Agents and the monitoring of SNMP traps, the system administrator may be notified in
the event of a fan failure.
Models without redundant fans
ProLiant DL and ML servers without redundant fans are shown in Table 5-3:
Table 5-3. ProLiant ML and DL servers without redundant fans
ProLiant DL servers
DL110
DL140
DL145
DL160
DL320
NOTE:
Redundant fans are planned for DL160, DL165,
DL180, and DL185 for implementation before the end of the
first quarter 2008.
Failure behavior of models without redundant fans
ProLiant DL and ML servers without redundant fans respond differently to a fan failure based upon the state of the server when
the failure occurs, the presence of the health driver, and the system's thermal shutdown configuration. Table 5-4 identifies
various fan failure scenarios and the resulting behavior.
Table 5-4. Failure behavior of ProLiant DL and ML servers without redundant fans
Scenario
Single/multiple fan(s) fail during POST
Single fan fails in OS with health driver
(thermal shutdown enabled)
Single/Multiple fan(s) fail in OS with
health driver (thermal shutdown
disabled)
Behavior*
which time the system will lose power.
The error is logged in the IML.
iLO will attempt to perform a graceful shutdown by simulating an ACPI power button
press; however, this will have no effect in Windows if the console is locked. The system
continues to run until thermal sensors reach the hardware protection limit, at which time
the system powers down immediately.
ProLiant ML servers
ML110
ML115
ML150
ML310
Behavior*
The error is logged in the IML.
The system boots to the point that the ROM checks the fan configuration.
ROM will terminate POST and restart the server.
The error is logged in the IML by the iLO management processor.
The error is logged to an OS log if the health driver is operational.
The health driver initiates a graceful shutdown.
The error is logged in the IML by the iLO management processor.
The error is logged to the OS logs by the health driver. Health driver is not currently
supported in the 100-series systems, but it will be supported in next-generation 100-
series systems. The 100-series servers do not have an IML; instead, they have a
IPMI log called the System Event Log (SEL). iLO2 supports the SEL log and logs only
critical errors to it.
The system continues to run until thermal sensors reach the hardware protection
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