chrishorton7 Posted January 28, 2017 Share Posted January 28, 2017 Hi, A couple of weeks ago I had a drive suddenly show red ball against. I bought a new drive to replace, but when I run the new drive through pre-clear I am getting the following error: unRAID's signature on the MBR failed The drive then dissapears as an option to pre-clear, although still shows on the main screen under unassigned disks. I thought it might have been the SATA cable so replaced this but I'm still getting the same issue. Logs are attached. Any advice on things i can try, I don't think its anything to do with the disk itself. tower-diagnostics-20170128-2003.zip Quote Link to comment
John_M Posted January 28, 2017 Share Posted January 28, 2017 Disk WDC_WD30EFRX-68EUZN0_WD-WCC4N5UDYRA8 has dropped off-line so there's no SMART report for it. Shut down, check cables to it and restart, then grab new diagnostics and post. Quote Link to comment
garycase Posted January 29, 2017 Share Posted January 29, 2017 As John noted, there's no SMART info available for what I assume is your new disk ... so you've either got a defective drive or you have a cabling issue. Try the cables first. If you have a PC available with a spare SATA port (or a USB dock, although direct SATA connection is preferable), you might run WD's Data Lifeguard on the drive and confirm it passes both the Quick and Extended tests. Quote Link to comment
chrishorton7 Posted January 29, 2017 Author Share Posted January 29, 2017 Thanks both, I don't have a PC with SATA cable to do the WD diagnostics unfortunately. I have just downloaded a SMART report from the Unraid 'Main' section which is attached. I'm popping out now, but later on will shut down and restart and get full diagnostics then to post. tower-smart-20170129-0928.zip Quote Link to comment
John_M Posted January 29, 2017 Share Posted January 29, 2017 That SMART report was empty. The disk will stay offline until you power cycle it. But while it's powered off check the cables. Quote Link to comment
garycase Posted January 29, 2017 Share Posted January 29, 2017 Thanks both, I don't have a PC with SATA cable to do the WD diagnostics unfortunately. Then just use a USB dock => if you don't have one, just buy one ... they're (a) very inexpensive; and (b) very handy to have. https://www.amazon.com/Cable-Matters-Drive-Docking-Station/dp/B0099TX7O4/ref=sr_1_3?ie=UTF8&qid=1485719781&sr=8-3&keywords=usb+hard+drive+dock Quote Link to comment
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