ReadyNAS Ultra 4 Change defective HD still dead

Question

Hello!
I have read all the topics about dead harddrives but i still dont understand the solution to my problem.
&nbsp;
I have 4 disks running:&nbsp;RAID Level X-RAID2, 4 disks
Disk 2 went dead (I took it out and connectet it to a computer, it didn't find it and made funny sounds)
In the front view it also tells me that disk 2 is dead.&nbsp;
I hotswapped it with a new one (checked the compability list and the disk is in that list)&nbsp;
In the log it says:&nbsp;Data volume will be rebuilt with disk 2.
After a few days the Frontview says the disk is dead and C: is unprotected.&nbsp;
I did a reboot of the nas, same message and nothing more happens.&nbsp;
Turned the nas off and took out the disk, startet the nas and inserted the disk when up and running. In the display it shows Testing disk 2, then Disk 2 passed, in the log it says:&nbsp;New disk detected. If multiple disks have been added, they will be processed one at a time. Please do not remove any added disk(s) during this time. [Disk 2] and:&nbsp;Data volume will be rebuilt with disk 2.
&nbsp;
In the health window in frontview it still says disk 2 dead.&nbsp;
I have the latest firmware and the NAS is up and running on 3 disk's.
Why is disk 2 still dead and why doestn't resync show up?
And in the health window the modelnumber of the old drive is still showing.&nbsp;
&nbsp;
&nbsp;

StephenB · Answer

What firmware are you running in the ultra?
&nbsp;
Also what disk model are you using?
&nbsp;
Try hovering your mouse over the volume icon at the bottom of the web UI.&nbsp; That should give you some volume status also, please let us know what it says.

PederMyhre · Answer

I'm running&nbsp;RAIDiator 4.2.31&nbsp;
The old disk's are Segate ST20000DL003 (In bay 1,3,4)
The new disk is Segate&nbsp;ST2000DM006 (In bay 2 )
&nbsp;
In the disk status it's still&nbsp;ST20000DL003 in bay 2, but it should be&nbsp;ST2000DM006, and not showing temperature.&nbsp;

StephenB · Answer

FWIW, a Seagate Ironwolf would have been a better disk choice.&nbsp; Seagate DMs don't have a good track record with RAID.&nbsp; The HCL hasn't been updated for years now, so it isn't a useful guide anymore.&nbsp; You're better off getting a current NAS-purposed drive (Seagate Ironwolf or Western Digital Red) or an enterprise-class disk. I don't recommend desktop class drives for NAS use anymore.
&nbsp;
I think the next step is to pull disk 2, and test it in a Windows PC with Seatools.&nbsp; You can connect it to the PC either with SATA or a USB adapter/dock.&nbsp;

PederMyhre · Answer

Hello again and thank's for the reply.
&nbsp;
The first disk i tried was a new Segate Skyhawk, that didn't work, then i read in the compability list and got a Segate Baracuda that was in the list, but that did not work either, as showed in the picture in my last post. Now i got a WD red NAS disk and the same message as the Baracuda showed ut,&nbsp;
New disk detectet
Testing new disk
Ned disk passed the test
Volume will be rebuildt on disk 2
Then nothing more happens.
The nas is still showing the model number og the old disk that's been there for many years.&nbsp;
everything is the same as in the postet picture.&nbsp;
&nbsp;
Now i tried three different new disks and still no progress..&nbsp;
&nbsp;
Any ideas anyone?

StephenB · Answer

Try hovering over the both the volume icon and the disk s icon on the home page (the "ball" icons at the bottom), and see if you get a status that indicates the RAID array is syncing.
&nbsp;
If you do see this, then I suggest waiting a while, and see if sync completes.&nbsp; Then reboot if the disk list still shows the wrong disk.
&nbsp;
If you don't see this status, you could try powering down, and removing the power cable for a couple minutes.&nbsp; Then remove the new disk, boot the NAS, and try hot-inserting it one more time.
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ReadyNAS Ultra 4 Change defective HD still dead

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