On Sun, Mar 26, 2017 at 9:02 PM, Jasse Jansson <ja...@yberwaffe.com> wrote: > > > On 2017-03-26 14:41, Tomohiro Kusumi wrote: >> >> You can either directly copy between fses, or you can dump the binary >> from one fs to stdout (and redirect it to a file) and later restore. >> Both are technically the same thing. >> >> The source fs can be either independent fs or some master PFS within >> the fs. This comes from the fact that PFS is technically nothing much >> different from the default fs itself. The default fs is actually just >> another PFS whose id is 0. The idea of PFS is quite difficult to >> understand and there's no good written document either. > > A PFS is more like a namespace, I got that. > >> In either of above cases, you need the both source and destination to >> be already mounted as fs, otherwise you can't copy. It's HAMMER's >> internal id number based logical copying, but not >> device/partition/dataset/etc based copying. > > Poorly worded question, apperantly. I'll try again. > > Can the target PFS (the mirror) be mounted (yeah, I know, read only) and > then accessed as any other filesystem, i.e. I can ls, cd and then cp a > single file from the ro-pfs-mirror to another filesystem ?
Yep, that works.