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A technician is installing a new server in a data center. To prevent electrostatic discharge (ESD) damage, which of the following should the technician do FIRST?
Attaching an ESD wrist strap to a grounded surface is the first step to safely discharge static electricity from the technician's body before handling server components. This prevents ESD damage to sensitive electronics.
A technician is replacing a failed hard drive in a hot-swap RAID 5 array. After inserting the new drive, the RAID controller does not automatically rebuild. What should the technician do first?
In a hot-swap RAID 5 array, the controller detects the new drive but may not begin rebuilding automatically depending on its configuration — some controllers require an explicit rebuild command. The technician's first action should be to open the RAID controller utility (e.g., Me…Read full explanation
A company has a virtualized server environment with two physical hosts running VMware vSphere. Each host has 2 CPUs, 128GB RAM, and 6x 600GB SAS drives in RAID 10. Recently, host A experienced a power surge that caused it to shut down abruptly. After restarting, the host boots but the RAID controller reports that one of the drives in the RAID 10 array is missing. The administrator has a replacement drive of the same model. What should the administrator do first?
Before replacing a drive, the administrator should check the RAID controller logs to determine whether the drive is actually faulty or if the issue is a connection problem (loose cable, backplane, or power surge damage). Reseating the drive or replacing cables is non-destructive …Read full explanation
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