commit 48ecca7e06b1fbf85ad9f9b6f108e757ed80a2bd
Author: Wang Di <di.wang@whamcloud.com>
Date:   Fri May 4 14:58:28 2012 -0700

    ORI-654: add some error msg for setup process.
    
    Add some error in the setup process, so we can know
    why the setup fails.
    Signed-off-by: Wang Di <di.wang@whamcloud.com>
    
    Change-Id: Iae875d2818a8db8f80bb252a3078091a0092bf5f

diff --git a/lustre/mdd/mdd_device.c b/lustre/mdd/mdd_device.c
index fc6d8af..be20eba 100644
--- a/lustre/mdd/mdd_device.c
+++ b/lustre/mdd/mdd_device.c
@@ -1234,13 +1234,23 @@ static int mdd_start(const struct lu_env *env,
         lu_local_obj_fid(&fid, MDD_ROOT_INDEX_OID);
 
         mdo = mdd_open_index_internal(env, mdd, &pfid, mdd_root_dir_name, &fid);
-        if (IS_ERR(mdo))
+        if (IS_ERR(mdo)) {
+                rc = PTR_ERR(mdo);
+                CERROR("%s: mdd open index failed: rc = %d\n",
+                       mdd2obd_dev(mdd)->obd_name, rc);
                 RETURN(PTR_ERR(mdo));
+        }
         mdd_object_put(env, mdo);
 
         mdd->mdd_root_fid = fid;
 
         rc = orph_index_init(env, mdd);
+        if (rc) {
+                CERROR("%s: orph index init error: rc = %d\n",
+                       mdd2obd_dev(mdd)->obd_name, rc);
+                GOTO(out, rc);
+        }
+
         if (rc)
                 GOTO(out, rc);
 
diff --git a/lustre/mdd/mdd_orphans.c b/lustre/mdd/mdd_orphans.c
index 15e3873..c81a506 100644
--- a/lustre/mdd/mdd_orphans.c
+++ b/lustre/mdd/mdd_orphans.c
@@ -439,8 +439,12 @@ int orph_index_init(const struct lu_env *env, struct mdd_device *mdd)
         lu_local_obj_fid(&fid, MDD_ORPHAN_OID);
 
         mdo = mdd_open_index_internal(env, mdd, &pfid, orph_index_name, &fid);
-        if (IS_ERR(mdo))
-                RETURN(PTR_ERR(mdo));
+        if (IS_ERR(mdo)) {
+                rc = PTR_ERR(mdo);
+                CERROR("%s:open %s error: rc = %d\n",
+                        mdd2obd_dev(mdd)->obd_name, orph_index_name, rc);
+                RETURN(rc);
+        }
 
         mdd->mdd_orphans = mdo;
         if (!dt_try_as_dir(env, mdd_object_child(mdd->mdd_orphans))) {
diff --git a/lustre/mdt/mdt_handler.c b/lustre/mdt/mdt_handler.c
index 859266e..f827f96 100644
--- a/lustre/mdt/mdt_handler.c
+++ b/lustre/mdt/mdt_handler.c
@@ -4969,12 +4969,18 @@ static int mdt_start(const struct lu_env *env, struct lu_device *dev)
         child_lu_dev = &mdt->mdt_child->md_lu_dev;
 
         rc = child_lu_dev->ld_ops->ldo_start(env, child_lu_dev);
-        if (rc)
+        if (rc) {
+                CERROR("%s: mdt start failed: rc = %d\n",
+                        mdt2obd_dev(mdt)->obd_name, rc);
                 GOTO(out, rc);
+        }
 
         rc = mdt_changelog_init(env, mdt);
-        if (rc)
+        if (rc) {
+                CERROR("%s: mdt changelog init: rc = %d\n",
+                       mdt2obd_dev(mdt)->obd_name, rc);
                 GOTO(out, rc);
+        }
 
         LASSERT(!cfs_test_bit(MDT_FL_CFGLOG, &mdt->mdt_state));
         target_recovery_init(&mdt->mdt_lut, mdt_recovery_handle);
diff --git a/lustre/obdclass/obd_mount.c b/lustre/obdclass/obd_mount.c
index 778a2a9..502e38a 100644
--- a/lustre/obdclass/obd_mount.c
+++ b/lustre/obdclass/obd_mount.c
@@ -810,6 +810,8 @@ static int server_lsi2mti(struct lustre_sb_info *lsi,
         rc = server_name2index(lsi->lsi_svname, &mti->mti_stripe_index, NULL);
         if (rc < 0)
                 return rc;
+
+        strncpy(mti->mti_svname, lsi->lsi_svname, sizeof(mti->mti_svname));
         /* Orion requires index to be set */
         LASSERT(!(rc & LDD_F_NEED_INDEX));
         /* keep only LDD flags */
@@ -997,7 +999,12 @@ static int server_start_targets(struct lustre_sb_info *lsi)
                               obd->obd_self_export, 0, NULL, NULL);
         }
 
-        server_notify_target(lsi, obd);
+        rc = server_notify_target(lsi, obd);
+        if (rc != 0) {
+                CERROR("%s: failed to notify the target: rc = %d\n",
+                        lsi->lsi_svname, rc);
+                RETURN(rc);
+        }
 
         /* calculate recovery timeout, do it after lustre_process_log */
         server_calc_timeout(lsi, obd);
@@ -1012,7 +1019,7 @@ static int server_start_targets(struct lustre_sb_info *lsi)
                 lu_context_enter(&session_ctx);
                 env.le_ses = &session_ctx;
 
-                obd->obd_lu_dev->ld_ops->ldo_start(&env, obd->obd_lu_dev);
+                rc = obd->obd_lu_dev->ld_ops->ldo_start(&env, obd->obd_lu_dev);
 
                 lu_env_fini(&env);
                 lu_context_exit(&session_ctx);