Dell PowerVault MD3860f Owner's Manual

Also see for PowerVault MD3860f: Deployment guide

Contents

Dell PowerVault MD3860f Owner's Manual Manual pdf 48 page image

Troubleshooting A Damaged ArrayCAUTION: 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. Ensure that the following components are properly installed:• Physical disks• RAID controller modules• Power supply modules• Cooling fan module2. Ensure that all the cables are properly connected and that there are no damaged pins in theconnectors.3. Run the diagnostics available in Dell PowerVault Modular Disk (MD) Storage Manager.4. In the AMW, select a component in the Hardware pane of the Hardware tab.5. Select Hardware → RAID Controller Module → Advanced → Run Diagnostics → RAID ControllerModule.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.Noncritical ConditionsA noncritical condition is an event or status that does not cause immediate failure, but must be correctedto ensure continued reliability of the storage array. Examples of noncritical events include the following:• One power supply module has failed• One cooling fan module has failed48