May 7, 201313 yr Hey everyone, I just have a quick question about Preclear. When it finished clearing the drives (One was a WD Red 3TB and the other was a WD Green 2TB), the 3TB drive had a starting sector of 1 and the green had a starting sector of 63. What does this mean and should I be concerned? I would like to start up the array today and begin copying my data over to the unraid server. Thanks for the help!
May 7, 201313 yr Hey everyone, I just have a quick question about Preclear. When it finished clearing the drives (One was a WD Red 3TB and the other was a WD Green 2TB), the 3TB drive had a starting sector of 1 and the green had a starting sector of 63. What does this mean and should I be concerned? I would like to start up the array today and begin copying my data over to the unraid server. Thanks for the help! No, it indicates that one of the disks was > 2.2TB and the other <=2.2TB You might want to convert the WD green to start on sector 64 though, as that may be a tiny bit better. preclear_disk.sh -C 64 /dev/sdX (where sdX = the three letter drive designation for your drive) Conversion of a precleared drive only takes a few seconds. (you can only convert it if it still has a pre-clear signature) You should set the default on unRAID to MBR-4k-alligned so future drives under 2.2T will automatically get formatted starting on sector 64. There is no reason to be concerned. Joe L.
May 7, 201313 yr Author Hey everyone, I just have a quick question about Preclear. When it finished clearing the drives (One was a WD Red 3TB and the other was a WD Green 2TB), the 3TB drive had a starting sector of 1 and the green had a starting sector of 63. What does this mean and should I be concerned? I would like to start up the array today and begin copying my data over to the unraid server. Thanks for the help! No, it indicates that one of the disks was > 2.2TB and the other <=2.2TB You might want to convert the WD green to start on sector 64 though, as that may be a tiny bit better. preclear_disk.sh -C 64 /dev/sdX (where sdX = the three letter drive designation for your drive) Conversion of a precleared drive only takes a few seconds. (you can only convert it if it still has a pre-clear signature) You should set the default on unRAID to MBR-4k-alligned so future drives under 2.2T will automatically get formatted starting on sector 64. There is no reason to be concerned. Joe L. Thanks for the help, I really appreciate it!
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