September 25, 20214 yr Hi All, What are the best practices for preclearing a drive in unRAID? ie. Which operation to choose, and how many cycles to run? Would you use different options for new drives as opposed to 2nd hand drives? So far I have been using "Erase and Clear the Disk", running it for 3 cycles. Is this sufficient, or is it overkill? The reason that I ask, is that I have just run the preclear on a 6TB disk, and 1 cycle of "Erase and Clear the Disk" took 48 hours ... TIA
December 3, 20214 yr It seems like most people do one or two cycles. If I have time, I do two. About half of my drives I do one cycle. An 18TB takes about 1.5 days for one cycle. I use default settings as shown below. Usually I am doing new drives, so I pick "clear" (not erase and clear). But I am not too sure about it, so I hope you get some replies. Edited December 11, 20214 yr by xrqp
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