Re: Problem Syncing raid1

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On Thu, 3 Apr 2014, Scott D'Vileskis wrote:

Any sectors it has trouble with it will attempt to remap to 'spare'
data reserved on the disk.

Could you please quote some kind of external resource for your claims here, because they are contrary to what truth is usually communicated here.

Common wisdom here is that sectors that can't be read are "pending", and they keep being "pending" until someone writes to them, and when the sector is written to, it'll either succeed with the write to that sector and then all is fine, or it'll fail to write and then it'll mark it as bad, and write to spare space, ie this sector is now remapped.

--
Mikael Abrahamsson    email: swmike@xxxxxxxxx
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