Dell PowerVault MD3800f Owner's Manual

Also see for PowerVault MD3800f series: Getting started guide Deployment guide

Contents

Dell PowerVault MD3800f Owner's Manual Manual pdf 41 page image

Troubleshooting a Damaged SystemCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.1. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.2. Open the system.3. Ensure that the following components are properly installed:• Cooling shroud• Expansion-card risers (if present)• Expansion cards• Power supply(s)• Cooling-fan assembly (if present)• Cooling fans• Processor(s) and heat sink(s)• Memory modules• Hard-drive carriers• Hard-drive backplane4. Ensure that all cables are properly connected.5. Close the system.6. Run the appropriate diagnostic test. For more information, see Using System Diagnostics.If the tests fail, see Getting Help.Controller Failure ConditionsCertain events can cause a RAID controller module to fail and/or shut down. Unrecoverable ECCmemory or PCI errors, or critical physical conditions can cause lockdown. If your RAID storage array isconfigured for redundant access and cache mirroring, the surviving controller can normally recoverwithout data loss or shutdown.Critical ConditionsThe storage array generates a critical event if the RAID controller module detects a critical condition thatcould cause immediate failure of the array and/or loss of data. The storage array is in a critical condition ifone of the following occurs:• More than one fan has failed• Any midplane temperature sensors in the critical range• Midplane/power supply module failure• Two or more temperature sensors are unreadable• Failure to detect or unable to communicate with peer portNOTE: If both RAID controller modules fail simultaneously, the enclosure cannot issue critical ornoncritical event alarms for any enclosure component.41