diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-brick-ops.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-brick-ops.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c index efaefe7b761..951e733b4db 100644 --- a/xlators/mgmt/glusterd/src/glusterd-brick-ops.c +++ b/xlators/mgmt/glusterd/src/glusterd-brick-ops.c @@ -1577,6 +1577,25 @@ glusterd_op_stage_remove_brick (dict_t *dict, char **op_errstr) goto out; } + /* Check if the connected clients are all of version + * glusterfs-3.6 and higher. This is needed to prevent some data + * loss issues that could occur when older clients are connected + * when rebalance is run. + */ + ret = glusterd_check_client_op_version_support + (volname, GD_OP_VERSION_3_6_0, NULL); + if (ret) { + ret = gf_asprintf (op_errstr, "Volume %s has one or " + "more connected clients of a version" + " lower than GlusterFS-v3.6.0. " + "Starting remove-brick in this state " + "could lead to data loss.\nPlease " + "disconnect those clients before " + "attempting this command again.", + volname); + goto out; + } + if (is_origin_glusterd (dict)) { ret = glusterd_generate_and_set_task_id (dict, GF_REMOVE_BRICK_TID_KEY); |