2017-01-28 11:03 GMT+03:00 Rich Gannon <rich@xxxxxxxxxxxxxx>: > Hello Btrfs users and devs, > > > I've gone searching through the mailing list dating back to 2014 or so and > never found a positive answer - mostly "guesses" about as to the answer, > albeit with good theories. I have two separate questions I'm looking to > have answered with the latest known facts, benchmarks, and anecdotes. > > > 1. If a "raw" drive (no partitions) is formatted with Btrfs, will it > correctly be aligned to 512 or 4k sectors with no additional flags? AFAIK, btrfs internally use memory page size as a base unit (4kb for x86), so yes, it will be correctly aligned. > 2. If question 1's answer is true, will drives of varying sector sizes (512 > and 4k) in the same array still be aligned correctly in single, raid0, > raid1, raid5, etc. modes? Same logic > Thanks for your input, > > Rich > > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Have a nice day, Timofey. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
