There currently aren't any 2.6 debs up on 
download.ceph.com (the builder 
is broken at the moment), so if you have debs, then you have a 2.5.x 
version, which does not have rados_kv, only rados_recov.  To try 
rados_kv, you'll need to either build yourself from source, or try an 
RPM based distro.
Daniel
On 05/29/2018 09:21 AM, nigel davies wrote:
 Sorry i installed from deb package. on Ceph repo install
 
 On Fri, May 25, 2018 at 3:58 PM, nigel davies <nigdav007(a)gmail.com 
 <mailto:nigdav007@gmail.com>> wrote:
 
     Thanks, i am sire i read some where it be.
 
     I git the install from ceph repo. how do i tell it was built with
     that support?
 
 
     On Fri, May 25, 2018 at 3:45 PM, Jeff Layton <jlayton(a)kernel.org
     <mailto:jlayton@kernel.org>> wrote:
 
         On Fri, 2018-05-25 at 15:24 +0100, nigel davies wrote:
         > Yes on both parts
         > 
         > 
         > On Fri, 25 May 2018, 2:00 pm Kaleb S. KEITHLEY, <kkeithle(a)redhat.com
<mailto:kkeithle@redhat.com>> wrote:
         > > On 05/25/2018 08:47 AM, nigel davies wrote:
         > > > Thanks Jeff i ran the command and get
         > > > 
         > > > librados.so.2 => /usr/lib/librados.so.2 (0x00007f9442342000) 
         > > > 
         > > > but same issue as before its really odd
         > > > 
         > > 
         > > have you installed the nfs-ganesha-rgw rpm or deb?
         > > 
         > > Is there a /usr/lib64/ganesha/libfsalrgw.so ?
         > > 
 
         fs_ng and rados_ng are not supported in v2.5.5:
 
         ----------------8<-----------------------------
         static int load_backend(const char *name)
         {
                  if (!strcmp(name, "fs")) {
                          fs_backend_init(&recovery_backend);
                          return 0;
                  }
         #ifdef USE_RADOS_RECOV
                  if (!strcmp(name, "rados_kv")) {
                          rados_kv_backend_init(&recovery_backend);
                          return 0;
                  }
         #endif
                  return -1;
         }
         ----------------8<-----------------------------
 
         For rados_kv, I'd go look at how it was built and ensure that
         -DUSE_RADOS_RECOV=ON at cmake time.
         -- 
         Jeff Layton <jlayton(a)kernel.org <mailto:jlayton@kernel.org>>
 
 
 
 
 
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