Hi sage, What do you think use existing ObjectStore::peek_journal_fsid interface to detect whether journal needed. KeyValueStore and MemStore could set passing argument "fsid" to zero to indicate no journal. On Tue, Sep 30, 2014 at 10:23 AM, Haomai Wang <haomaiwang@xxxxxxxxx> wrote: > No problem, I would like do it. > > On Tue, Sep 30, 2014 at 7:48 AM, Sage Weil <sweil@xxxxxxxxxx> wrote: >> Hi Haomai, >> >> Not sure if you saw >> >> http://tracker.ceph.com/issues/9580 >> >> which came from an issue Mark had getting ceph-disk to work with the >> keyvaluestore backend. I think the answer is to make a command >> like >> >> ceph-osd -i 123 --check-needs-journal >> >> to query whether the configured backend wants a journal backend. That >> would let ceph-disk skip the work. Would need to be careful to >> distinguish between errors and a true/false answer. >> >> Any interest in wiring that up? >> sage >> > > > > -- > Best Regards, > > Wheat -- Best Regards, Wheat -- 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