vstart.sh: Change default erasure code profile from jerasure to isa

Signed-off-by: Jamie Pryde <[email protected]>

Author: jamiepryde

src/vstart.sh

@@ -968,7 +968,7 @@ $DAEMONOPTS
 $CMONDEBUG
         $(format_conf "${extra_conf}")
         mon cluster log file = $CEPH_OUT_DIR/cluster.mon.\$id.log
-        osd pool default erasure code profile = plugin=jerasure technique=reed_sol_van k=2 m=1 crush-failure-domain=osd
+        osd pool default erasure code profile = plugin=isa technique=reed_sol_van k=2 m=1 crush-failure-domain=osd
         auth allow insecure global id reclaim = false
 EOF