larachbeg Posted June 14, 2021 Share Posted June 14, 2021 Folks, i installed a new drive in my array in April (disk4). I thought all had gone well with the disk addition, until i saw a red X beside the drive when using the GUI this morning. Says 'device is missing (Disabled), contents emulated' I read a similar post on the forum by Barnito, from April 2020. I followed some advice from that post - reboot & see if the drive goes back online. Having rebooted, my new drive is showing up as 'unassigned' and can choose 'Mount' That worries me :- 1) does it suggest that UnRaid thinks the drive is empty ? 2) might 'mounting' drive re-formatting ?? I DO NOT want to lose that drive. Its data, both personal & business. Whats your advice ? A) would i try to copy the data off the drive, since its currently being emulated ? B) would i go ahead and mount the unassigned drive to my disk4 slot, in the hope it doesn't re-format ? C) anything else ? Richard tower-diagnostics-20210614-1430.zip Quote Link to comment
JorgeB Posted June 14, 2021 Share Posted June 14, 2021 Emulated disk is mounting so you can rebuild on top, disk looks fine but there are several UDMA CRC errors, so you should replace the SATA cable before rebuilding. Quote Link to comment
ChatNoir Posted June 14, 2021 Share Posted June 14, 2021 The procedure to rebuid the disk from Parity is described here : https://wiki.unraid.net/Manual/Storage_Management#Rebuilding_a_drive_onto_itself Quote Link to comment
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