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ReadyNAS 428 drive not adding to volume
Hi I have got a readynas 428 which I have been upgrading the drives from 3TB to 4TB and this was workin fine but when I have put in Drive 8 which is the last one it is not adding it to the volume whi...
Hi Stephen,
Thanks for all your help on this, I have done the following which has fixed the issue,
Remove power from the NAS for 90 mins
Insert a brand new Ironwolf drive into Bay 8
Wait approx 24 hours for resync and new drive has been accepted and total capacity expanded.
Was the drive previously formatted? That can make the NAS think it shouldn't touch the drive. Have you formatted it in the NAS? Doing so will allow the NAS to ask you if you really want to destroy any data already on the drive.
Here are some screenshots from the NAS in its current state too.
Im also curious if maybe the drive having the issue drive 8 is not supported but drive 7 is the same model and works so im not sure if it is that fussy.
You do need to be careful with desktop-class drives, as many are now SMR. That technology isn't well-suited for ReadyNAS OS-6 systems. FWIW, I won't use them in my own ReadyNAS, and recommend against using them in any NAS.
As far as I can tell, the ST4000DM000 drives you are using are all CMR. But the ST4000DM004 is SMR. It'd be good to replace it (ideally with a VN model (Ironwolf). That said, I don't think the DM004 is causing your current problem.
And although I favor using NAS-purposed CMR or enterprise class drives in ReadyNAS, I don't think your issue is due to drive incompatibility with the DM000 in bay 8 either.
Have you downloaded the log zip file from the logs page? Then maybe look in system.log and kernel.log for disk-related errors. This can be overwhelming (there's a lot of stuff in those logs), but it would give more clues on what is going on.
You could also try removing the drive, and deleting the partitions again. Then hot-insert it, and see if you get a different result.
Hi Stephen,
I have tried removing the drive and removing all partitions and readding but still the same, done as a hot insert, I have exported the logs and attached it looks like its noted some events one being raid members changing from 8 to 7 wondering if there is a way to fix that, if I need to change drive 8 to a ironwolf one I can get one just want to be sure that will make a difference as I tried the 3TB drive that was there originally too and it did the same thing, all drives were previously 3TB and have been changing to 4TB but total volume has not expanded as yet so still only using 3TB of 4TB from each drive.
Keen to see what you think.
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