I recently upgraded to Unraid 7.2 and upon reboot got the notice that a single disk needs to be updated:

I am somewhat confused as I purchased 8 WD161KRYZ disks in a single batch, and added them to Unraid at the same time. I have older drives that don't have this warning, and the other 7 disks added at the same time don't either (samy with anything newer).

I don't understand why just this single disk is providing this warning. Is there potentially something else going on that I should be aware of? Is this somehow valid? Should I be clearing / reformatting this drive.

I've added my diagnostic log in case it sheds some light.

cydstorage-diagnostics-20251113-1429.zip

12 hours ago, bkastner said:

as I purchased 8 WD161KRYZ disks in a single batch

This is not disk-related; it's the file system that needs to be upgraded, but you have until 2030

Right, I did understand that, but the point is I bought the 8 disks, did the exact same process for adding the file system, but am confused only 1 is showing that it needs to be upgraded. None of my older disks are complaining about an older file system either, which makes this an outlier for no good reason I can see.

It's not the disk, it's when the filesystem was originally created. Replacing/rebuilding the disk doesn't change that. Older XFS filesystems, created with Unraid 6 betas, before 6.0.0, will use older XFS v4

39 minutes ago, JorgeB said:

It's not the disk, it's when the filesystem was originally created. Replacing/rebuilding the disk doesn't change that. Older XFS filesystems, created with Unraid 6 betas, before 6.0.0, will use older XFS v4

Yup, that all makes sense, but isn't my scenario.

These drives were bought in April 2022, and I would have been running 6.10 at the time... I typically wait a week or two after a release, but otherwise keep unraid up to date.

So, the drives were all added/formatted within a 72-96 hour window, and XFS would have been used as the file system across them all.

So, all 8 drives should have had the same version of XFS installed as I would have just used the Unraid notification that disks were seen, but not formatted, and I would have then had Unraid format them all.

This all ties into why I am confused that 1 of those 8 disks is reporting an older XFS version. I would expect all or none of them to be reporting. That is why I wanted to understand if there was something more going on.

Are you sure that none of the disks were used to replace a disk that had failed (and been originally formatted in an earlier Unraid release). A rebuild always restores the original file system exactly.

23 minutes ago, itimpi said:

Are you sure that none of the disks were used to replace a disk that had failed (and been originally formatted in an earlier Unraid release). A rebuild always restores the original file system exactly.

Oh... okay, that's a possibility I hadn't considered. I don't remember that happening, but that's not saying much.

Okay, I will start moving data from that disk to reformat.

Thank you both for your help.

11 hours ago, bkastner said:

Oh... okay, that's a possibility I hadn't considered

12 hours ago, JorgeB said:

Replacing/rebuilding the disk doesn't change that.