Emmanuel Dreyfus <manu%netbsd.org@localhost> writes: > On Mon, Feb 29, 2016 at 12:37:44PM -0500, Greg Troxel wrote: >> One thing you can do is to compare the two halves. You can mount them >> read-only with shadow disklabels. and you can umount the raidset, and >> then run fsck -n on each half after you run fsck on the set. > > fsck found nothing wrong anywhere. Presumably you mean on the raid0a. Did you create e.g a wd0j and wd1j that are the halves (minus the 64 block header), and run fsck individually on those? > Should the disk content be exactly the same? Does it make sense to > compare the whole 500 GB for differences? After the first 64 blocks, yes, they should be identical, and yes it's a good test.
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