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Why RAID Controller Health Check?
A RAID (Redundant Array of Independent Disks) controller health check is a process used to monitor and assess the status of a RAID controller in a computer system
It's important to perform regular RAID controller health checks to identify potential issues early on and take appropriate actions, such ases?
replacing failing disks
addressing controller configuration errors
Prevent data loss and system downtime
Ensuring the continued reliability of the RAID arraying firmware
Maintenance that we perform
Array Status Check
The health check verifies the overall status of the RAID array(s) managed by the RAID controller. It ensures that all the disks within the array are functioning correctly and that the array is operating within expected parameters.
(Array Status Check Image)
Disk Integrity Check
The RAID controller checks the integrity and health of individual disks within the array. It looks for bad sectors, read/write errors, or any other signs of potential disk failure
(Disk Integrity Check Image)
Event Log Analysis
The RAID controller maintains an event log that records various activities and issues related to the RAID array. The health check reviews this log to identify any warnings or errors that might require attention
(Event Log Analysis Image)
Case Study RAID Controller Health Check
Case Study: RAID Controller Bay 3 Predicted Failure
The SMART data of the disks in bay 3 indicates an increasing number of bad sectors and read/write errors, signifying an elevated risk of failure.
Immediate Disk Replacement: Replace the disks in bay 3 showing signs of degradation to prevent data loss. Implement a proactive disk replacement policy for the entire RAID array.
(Case Study Check Image)
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