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Zorluk: KolayStorage Drives and RAID Array Issues

A system administrator observes a solid amber warning LED on one of the drive bays of a server utilizing a hardware RAID 1 array. The RAID management console reports that Disk 1 is offline due to a hardware fault and the volume status is degraded. Which of the following is the most appropriate action to restore array redundancy?

  1. Replace the failed drive with a new drive of equal or greater capacity and rebuild the array.Cevap
  2. B
    Reformat all drives in the storage array and restore the full volume from an offline backup.
  3. C
    Delete the RAID 1 array configuration and convert the storage volume to RAID 0.
  4. D
    Force the failed drive back online using the RAID controller management software.

Cevap

Replace the failed drive with a new drive of equal or greater capacity and rebuild the array.
In a RAID 1 (mirroring) configuration, data is duplicated across drives. When one drive fails, the volume continues to operate in a degraded state using the remaining functional disk. Replacing the failed drive with a healthy disk of equal or greater capacity enables the RAID controller to rebuild the mirror and restore redundancy without formatting or data loss.

Adım Adım Çözüm

1
Identify array state and faulty component
The server RAID 1 volume is degraded because Disk 1 has suffered a hardware failure.
RAID 1 mirrors data across two disks, allowing the array to remain functional on one drive during a single-disk failure.
2
Remove the failed drive and insert a replacement drive
A fresh, healthy drive of matching or higher capacity is seated in the drive bay.
The replacement disk must be at least as large as the original drive to mirror the volume contents properly.
3
Initiate the RAID rebuild process
Data from the surviving drive is copied onto the new drive, returning the RAID status to optimal.
Rebuilding synchronizes the mirror and reinstates fault tolerance.

Anahtar Kavram

RAID 1 Degraded Array Recovery and Drive Replacement
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Konular

Storage Drives and RAID Array Issues

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