Bug #11848
PG: don't check feature if connection isn't ready
0%
Description
-4011> 2015-05-11 11:41:30.309734 7f91e19f7700 20 osd.4 pg_epoch: 1208
pg[0.41( empty local-les=1196 n=0 ec=1 les/c 1196/1206 1195/1195/1195)
[4,5] r=0 lpr=1195 crt=0'0 mlcod 0'0 active+clean+scrubbing] OSD 5 does
not support chunky scrubs, falling back to classic
if (!con->has_feature(CEPH_FEATURE_CHUNKY_SCRUB)) {
dout(20) << "OSD " << acting[i]
<< " does not support chunky scrubs, falling back to classic"
<< dendl;
assert(0 == "Running incompatible OSD");
qa-proxy.ceph.com/teuthology/gregf-2015-05-11_09:32:08-rados-master-distro-basic-multi/884931
The osd.4 rebind cluster_messenger so all existing connection will be down.
Then osd.4 try to do scrub and get a connection to osd.5, but this
connection isn't ready to sent. This unready connection's feature is
"0". So it will hit assert.
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