In a traditional RAID group, what state is the RAID group in, when a certain number of hard disks fail but before data recovery starts, preventing data loss?
Understand the Problem
The question is asking about the state of a RAID group after a certain number of disk failures but before any data recovery has been initiated. We need to identify the state that prevents data loss, implying the system is still operational, though degraded.
Answer
The RAID group remains functional and data is still accessible.
In a traditional RAID group, when a certain number of hard disks fail (depending on the RAID level) but before data recovery starts, the RAID group remains in a functional state, and data is still accessible without loss.
Answer for screen readers
In a traditional RAID group, when a certain number of hard disks fail (depending on the RAID level) but before data recovery starts, the RAID group remains in a functional state, and data is still accessible without loss.
More Information
The specific number of disk failures a RAID group can tolerate depends on the RAID level. For example, RAID 6 can withstand two simultaneous disk failures.
Tips
It is important to know the limitations of your RAID configuration, and to monitor the health of your disks, in order to minimize downtime.
Sources
- RAID (redundant array of independent disks) - TechTarget - techtarget.com
- RAID 6 Data Recovery - DriveSavers - drivesaversdatarecovery.com
- The 8 Types of RAID Storage and How They Work - Spiceworks - spiceworks.com
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