Done some testing for you: The -B --block size has to be a a power2 of -C --block size. (Note: all information is about bcache1 not bcachefs if that is what you are talking about) Killian De Volder On 18-05-16 07:50, Vlad wrote: > Hallo, > > What would be the optimal block size in case if physical block sizes > different for cache and backing devices? Can I use different block sizes > for cache and backing devices, like: > make-bcache --block 4k -B /dev/sdc > make-bcache --block 512 -C /dev/sda > > I have a feeling that the block size should be the same and the biggest > block size should be used, but I'd appreciate any thoughts about that. > > Thanks in advance, > Vlad. > -- > To unsubscribe from this list: send the line "unsubscribe linux-bcache" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
