On Thu, Jan 3, 2019 at 6:32 PM Qu Wenruo <[email protected]> wrote: > > > > On 2019/1/4 上午9:15, Chris Murphy wrote: > > If you use btrfs-image -ss option, there won't be any sensitive > > information included. Files are hashed. Some short name files or dirs > > can't be hashed (you'll see a warning) and those are replaced with > > random garbage instead. There is only metadata with the image, no user > > data. > > Please don't advice -ss for btrfs-image. It's super slow and will easily > cause tons of noise when running btrfs check on it.
I thought in recent btrfs-progs that -ss was quite a bit faster. The last time I used it I don't think it was much slower than -s. Anyway I don't have a preference between hash or garbage, but I don't think it's realistic for users to give out filenames in images. So is -s OK? -- Chris Murphy
