Ok so I had one drive go bad on the array. I'm wondering what the UNRAID recommendations are for replacement process. Is it hotswappable (Its in a hotswappable bay)? Do I need to shut down etc?

If you hardware supports hotswap you can do it, you'll likely have to refresh the GUI after connecting the new drive, but shuting down the server is always safer.

It is also worth querying whether the drive really has gone bad?   If you think it has gone bad because it now has a red ‘x’ in the unRAID GUI that simply means that a write to it failed - not that the drive has necessarily failed.    Writes failing due to external factors (e.g. cabling, power) are more frequent than the disk actually failing.   If not sure then posting the diagnostics (obtained via Tools->Diagnostics) can get you some more informed feedback.

Na it started with bad sectors counts and the sector counts were going up all day till it finally crapped out and disabled

1 minute ago, wdelarme said:

Na it started with bad sectors counts and the sector counts were going up all day till it finally crapped out and disabled

I agree that sounds as if the disk is really dead/dying.

15 minutes ago, johnnie.black said:

If you hardware supports hotswap you can do it, you'll likely have to refresh the GUI after connecting the new drive, but shuting down the server is always safer.

really??? hmm gonna try this, and it fails and craps my unraid im going to come back and whine at you. LOL

 

my whole server is hot swap never thought it would work, gonna keep this in mind

6 minutes ago, ijuarez said:

really??? hmm gonna try this, and it fails and craps my unraid im going to come back and whine at you. LOL

I've done it many times without issues.

Best to stop the array before hotswapping. You will have to have it stopped to assign the new disk anyway.

2 minutes ago, trurl said:

Best to stop the array before hotswapping.

Yes, array should be stopped before removing a disk, to unmount it, though if it's a disabled disk it will already be.