Specifications
Diagnostics and Troubleshooting  3-73 
Storage Fault Recovery Tracking 
This feature tracks over 12 failure-indication parameters, such as timeouts, spin-up, and self-test 
errors of SCSI drives. You can use these parameters to pinpoint failed storage subsystem 
components and to recover from a controller or hard drive failure. 
Storage Automatic Reconstruction 
This feature automatically reconstructs data to an online spare or to a replaced drive if a drive 
fails. To use the reconstruction feature, you must configure the server for drive mirroring or data 
guarding. The reconstruction decreases system downtime by allowing rapid recovery to full 
system operation if a drive fails. 
Network Interface Fault Recovery Tracking 
This feature tracks over 20 failure indication parameters, such as alignment errors, lost frames, 
and frame copy errors, of Ethernet and Token-Ring network interfaces. It decreases network 
downtime by enabling diagnosis of actual network interface failures. 
Memory Fault Recovery Tracking 
This feature inspects the operation of the memory subsystem looking for uncorrectable memory 
errors. 










