RAID member has partially failed - How to recover data from the drive?

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Hard Drive

Repair information on hard drives or hard disks. Hard drives are magnetic data storage devices. They are used in most desktop, laptop, and server due to their low cost and high data density.

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wileaust @karmak

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发帖于: 2020年3月23日

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RAID member has partially failed - How to recover data from the drive?

I have an 8TB RAID 0 array that has failed. One drive has crashed.

The culprit is a WD 2002FEAX 2TB.

It spins up, makes no unusual noises and the heads seem to make thier normal seek sounds when booting the controller. It shows up in the array config with a blank model number.

When i try to scan it and repair the sectors, it fails immediatly most of the time, sometimes it will scan for awhile and then fail near the middle of the scan.

I’m hoping to recover the data from this drive - if at all posiible. I don’t have much of a budget, but am handy enough to try most repairs myself. I’ve googled but nothing really fits my exact issue.

Someone told me to swap the board on it, but i’d need to reinstall firmware, i’ve no clue about that but if that will fix it, i’d apreaciate some info on where to get started.

Can anyone help provide some ideas i could try? Thanks in advance!

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Dan @danj 声誉积分: 480.2千 Self employed contract worker 35 329 971 · Answer 1 · 2020-03-23T12:33:36-07:00

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Dan @danj

声誉积分: 480.2千

Self employed contract worker

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发帖于: 2020年3月23日

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RAID 0 - The failure of one drive will cause the entire array to fail; as a result of having data striped across all disks, the failure will result in total data loss.

Don’t try running any recovery apps as you don’t want to alter the drive in any way.

IF you think the controller board has failed you’ll need to find another drive (exactly the same board & rev) to swap the board and pray! If the head assembly has failed or damaged the platters there’s nothing you can do your self. A good data recovery service might be able to fix the can. But any alteration to the data will alter the stripe alignment across the drive set.

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Thanks for the response. i have a good hunch its only the board that is dead. If i manage to find an exact donor, will i have to do anything regarding the firmware or desolder the rom? If its just a straight swap then i think i can probably save it.

由 wileaust 完成的 2020年3月23日

If you've found the same board and rev of it you shouldn't need to swap out any firmware (ROM). You should talk with the RAID box vendor to double check they aren't doing anything funky.

由 Dan 完成的 2020年3月23日

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Hard Drive

RAID member has partially failed - How to recover data from the drive?

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