diff options
Diffstat (limited to 'xlators/mgmt/glusterd/src/glusterd-utils.c')
| -rw-r--r-- | xlators/mgmt/glusterd/src/glusterd-utils.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/xlators/mgmt/glusterd/src/glusterd-utils.c b/xlators/mgmt/glusterd/src/glusterd-utils.c index 8c042317b19..c06b1932fa7 100644 --- a/xlators/mgmt/glusterd/src/glusterd-utils.c +++ b/xlators/mgmt/glusterd/src/glusterd-utils.c @@ -2922,12 +2922,14 @@ glusterd_rb_check_bricks (glusterd_volinfo_t *volinfo, } int -glusterd_brick_create_path (char *host, char *path, mode_t mode, +glusterd_brick_create_path (char *host, char *path, uuid_t uuid, mode_t mode, char **op_errstr) { int ret = -1; char msg[2048] = {0}; struct stat st_buf = {0}; + uuid_t old_uuid; + char old_uuid_buf[64] = {0,}; ret = stat (path, &st_buf); if ((!ret) && (!S_ISDIR (st_buf.st_mode))) { @@ -2968,6 +2970,37 @@ check_xattr: sys_lremovexattr (path, "trusted.glusterfs.test"); } + if (!uuid) + goto out; + + /* This 'key' is set when the volume is started for the first time */ + ret = sys_lgetxattr (path, "trusted.glusterfs.volume-id", + old_uuid, 16); + if (ret == 16) { + if (uuid_compare (old_uuid, uuid)) { + uuid_utoa_r (old_uuid, old_uuid_buf); + gf_log (THIS->name, GF_LOG_WARNING, + "%s: mismatching volume-id (%s) recieved. " + "already is a part of volume %s ", + path, uuid_utoa (uuid), old_uuid_buf); + snprintf (msg, sizeof (msg), "'%s:%s' has been part of " + "a deleted volume with id %s. Please " + "re-create the brick directory.", + host, path, old_uuid_buf); + ret = -1; + goto out; + } + ret = 0; + } else if (ret == -1) { + /* 'volume-id' not set, seems to be a fresh directory */ + ret = 0; + } else { + /* Wrong 'volume-id' is set, it should be error */ + ret = -1; + snprintf (msg, sizeof (msg), "'%s:%s' has wrong entry" + "for 'volume-id'.", host, path); + } + out: if (msg[0] != '\0') *op_errstr = gf_strdup (msg); |