diff options
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-store.c | 28 |
1 files changed, 23 insertions, 5 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-store.c b/xlators/mgmt/glusterd/src/glusterd-store.c index 75f34c9c4f5..211f4a7de00 100644 --- a/xlators/mgmt/glusterd/src/glusterd-store.c +++ b/xlators/mgmt/glusterd/src/glusterd-store.c @@ -1739,11 +1739,29 @@ glusterd_restore_op_version (xlator_t *this) goto out; } - gf_log (this->name, GF_LOG_INFO, "op-version not found in store, " - "setting it to minimum op-version : %d", GD_OP_VERSION_MIN); - - /* If op-version is missing, set it to GD_OP_VERSION_MIN */ - conf->op_version = GD_OP_VERSION_MIN; + /* op-version can be missing from the store file in 2 cases, + * 1. This is a new install of glusterfs + * 2. This is an upgrade of glusterfs from a version without op-version + * to a version with op-version (eg. 3.3 -> 3.4) + * + * Detection of a new install or an upgrade from an older install can be + * done by checking for the presence of the its peer-id in the store + * file. If peer-id is present, the installation is an upgrade else, it + * is a new install. + * + * For case 1, set op-version to GD_OP_VERSION_MAX. + * For case 2, set op-version to GD_OP_VERSION_MIN. + */ + ret = glusterd_retrieve_uuid(); + if (ret) { + gf_log (this->name, GF_LOG_INFO, "Detected new install. Setting" + " op-version to maximum : %d", GD_OP_VERSION_MAX); + conf->op_version = GD_OP_VERSION_MAX; + } else { + gf_log (this->name, GF_LOG_INFO, "Upgrade detected. Setting" + " op-version to minimum : %d", GD_OP_VERSION_MIN); + conf->op_version = GD_OP_VERSION_MIN; + } ret = 0; out: return ret; |