It is trying to Rebuild the broken Raid5 drive and will take +999 hours. Can we take the broken drive out and hope as it is Raid5 that it will run ? So we restart the QNAP after we take the bad drive out ? Thank you for all the help

The RAID would not rebuild, if the broken drive was still in there..so please provide minimal details NAS model, etc.

We repslaced the broken drive, but also had to replace a hot-spare as the software had problems with that nad did not want to rebuild on the new drive. Setting Cache OFF and taking the partly used Hot sprare out solved the issue.

Neither NAS model nor cache use were disclosed, hard to help without any provided information. Previous slow rebuilds with enabled cache were discussed here [圖片] Disk performance extremely slow after raid 5 disk failure rebuild Storage Have a QNAP TS-h886 with…

如何從RAID5中損壞的硬碟恢復？

英文儲存空間

dolbyman 2026年04月10日21:28 4

未透露 NAS 型號或快取使用情況，沒有提供資訊很難協助。

先前有關啟用快取後重建速度緩慢的討論在這裡：