On Fri, Nov 9, 2012 at 11:04 AM, Josh Durgin <josh.durgin@xxxxxxxxxxx> wrote: > On 11/09/2012 11:01 AM, Gregory Farnum wrote: >> >> I was asked today if there's a way to upgrade RBD volumes from v1 to >> v2. I didn't think so, but wanted >> 1) to make sure I'm right, >> 2) to ask how hard it would be, >> 3) to ask if we haven't done it because it didn't occur to us or >> because it's too hard. >> -Greg >> > > This was addressed in the original discussions about format 2. > > You need to export and then import the volume as format 2. Format 2 uses > different names for objects, so providing an 'upgrade' path would still > require copying all the data around. > Couldn't we just set a flag in the header specifying the object naming version, which would then only require updating the header? Yehuda -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
