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Drobo Upgrade - WD Red Drives | Kevin Rye.net - Main

Kevin Rye

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Drobo Upgrade - WD Red Drives

The other night I noticed that Time Machine failed to complete a backup to my Drobo. There was some weird error about the Drobo being set to read-only. That's odd. Sounds like some weird OS X 10.10 bug to me.

Screen Shot 2015-02-09 at 6.13.41 PM

I searched online for a solution. A common fix for the problem is to just hop into Disk Utility and repair the permissions. Unfortunately, that didn't work.

Screen Shot 2015-02-07 at 4.41.08 PM

Another fix is to just reformat the drive. Luckily it's just a backup and not the drive containing my Home directory. Using the Drobo Dashboard, I reset the Drobo to factory defaults and wiped the drives. I then restarted Time Machine and initiated another backup. That worked, but it also reminded me that I still hadn't replaced the 2TB Seagate that died a year ago. I had popped in an old 640 and 750GB to bump up my capacity until I could replace the drive. I totally forgot about it.

That held me for a while, but now that the drives are acting up, I think it's time to finally replace those older drives with new 2TB ones.

I jumped on Newegg and ordered two brand new WD Red NAS drives. These things rock, and they're only $99 a piece. No more Seagate drives for me. They keep failing right out of warranty. I swear they do it on purpose.

They came in the usual brown boxes. That's fine with me. I'd rather save a few bucks than go retail.


Ooh! Pretty! These guys are supposed to run quieter, cooler, and are designed for multiple-drive arrays.


I opened up my Drobo Dashboard to see what drives were what.

Screen Shot 2015-02-14 at 12.35.12 PM

First, I pulled out the 640GB drive and replaced it with a new one.


I let the array rebuilt itself.

Screen Shot 2015-02-14 at 2.15.55 PM

I then popped out the 750 and replaced it with another new drive.


Again, I let the array rebuilt itself and all was right with the world. 8TB of redundant storage.

Screen Shot 2015-02-14 at 3.50.47 PM