Command Posted April 13, 2022 Share Posted April 13, 2022 Hello everyone, I 'm new to Unraid so please be gentle I have a bunch of 12TB ISE drives, shouldn't preclearing the drives be instantaneous? I mean that's what the I stands for right? It is not. Am I misunderstanding something? Quote Link to comment
Command Posted April 13, 2022 Author Share Posted April 13, 2022 I can't seem to find any information on actually instantly secure erasing a drive in linux. These are HGST Ultrastar drives (but not as awesome as before they were before being bought by WD). Quote Link to comment
ChatNoir Posted April 13, 2022 Share Posted April 13, 2022 6 hours ago, Command said: I have a bunch of 12TB ISE drives, shouldn't preclearing the drives be instantaneous? I mean that's what the I stands for right? It is not. Am I misunderstanding something? I did not read about those drives but I would guess that they drive are not magically capable of writing a full disk instantly and that secure erase is similar to a quick format of the FS and some encryption data. That is not similar to drive clearing. In Unraid, clearing a drive (in the array, or in advance : pre-clear) is writing zeros in ALL sectors of the drive to be certain that parity will be OK when adding the drive in the Array. Quote Link to comment
Command Posted April 13, 2022 Author Share Posted April 13, 2022 Hmm. i would assume that the only way to secure erase but I haven't managed to get more details. Thanks for the response. I want just sitting there thinking it would be seconds. Quote Link to comment
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