Uploaded July 2025 | Updated September 2026, 3 days ago

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⭐⭐⭐⭐⭐ Watch this video to see how to replace a faulty hard disk in a RAID system on Synology NAS DSM. And explore how to add more hard disks and migrate from RAID 5 to RAID 6. There is hardly a more terrifying sound that the one you hear when your hard disk breaks down, or your NAS storage system detects a storage error. At that moment, you are so close to losing gigabytes of photos, videos and documents, as your disk array appears to be in a degraded state

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📃 RAID 5 Recovery: How to Restore Data on Synology NAS (text version):
hetmanrecovery.com/recovery_news/how-to-recover-degraded-raid-5-synology-nas-change-raid-5-to-raid-6-without-data-loss.htm
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Playlist: RAID Systems: Definition, Types, How to Create One and Recover Lost Data:
youtube.com/playlist?list=PLWfvrWYvsWiJznrhRlxOKYd40Z1sOP2Vf
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Other videos: #Synology, #DSM, #DegradedRAID, #raid5