geom/vinum/geom_vinum_state.c

46 	char *obj, *state;
56 	state = gctl_get_param(req, "state", NULL);
57 	if (state == NULL) {
58 		gctl_error(req, "no state given");
75 		if (gv_volstatei(state) < 0) {
76 			gctl_error(req, "invalid volume state '%s'", state);
81 		    gv_volstatei(state), f);
85 		if (gv_plexstatei(state) < 0) {
86 			gctl_error(req, "invalid plex state '%s'", state);
91 		    gv_plexstatei(state), f);
95 		if (gv_sdstatei(state) < 0) {
96 			gctl_error(req, "invalid subdisk state '%s'", state);
101 		    gv_sdstatei(state), f);
105 		if (gv_drivestatei(state) < 0) {
106 			gctl_error(req, "invalid drive state '%s'", state);
111 		    gv_drivestatei(state), f);
120 /* Update drive state; return 0 if the state changes, otherwise error. */
129 	oldstate = d->state;
139 	d->state = newstate;
141 	if (d->state != oldstate) {
162 	oldstate = s->state;
193 		if ((d == NULL) || (d->state != GV_DRIVE_UP))
197 		switch (s->state) {
229 				s->state = GV_SD_STALE;
260 	/* Other state transitions are only possible with force. */
266 	/* We can change the state and do it. */
268 		s->state = newstate;
289 	oldstate = p->state;
300 		if (p->state != GV_PLEX_UP && !(flags & GV_SETSTATE_FORCE))
302 		p->state = newstate;
306 		 * Set state to GV_PLEX_DOWN only if no-one is using the plex,
307 		 * or if the state is forced.
317 		p->state = newstate;
322 			p->state = newstate;
343 	oldstate = v->state;
352 		if (v->state != GV_VOL_UP && !(flags & GV_SETSTATE_FORCE))
354 		v->state = newstate;
358 		 * Set state to GV_VOL_DOWN only if no-one is using the volume,
359 		 * or if the state should be forced.
364 		v->state = newstate;
373 /* Update the state of a subdisk based on its environment. */
384 	oldstate = s->state;
387 	if (d->state != GV_DRIVE_UP) {
388 		s->state = GV_SD_DOWN;
391 		s->state = GV_SD_UP;
393 	} else if (s->state != GV_SD_UP) {
395 			s->state = GV_SD_UP;
398 			s->state = GV_SD_STALE;
400 		s->state = GV_SD_UP;
402 	if (s->state != oldstate)
403 		G_VINUM_DEBUG(1, "subdisk %s state change: %s -> %s", s->name,
404 		    gv_sdstate(oldstate), gv_sdstate(s->state));
411 /* Update the state of a plex based on its environment. */
421 	oldstate = p->state;
423 	/* First, check the state of our subdisks. */
428 		p->state = GV_PLEX_UP;
434 			p->state = GV_PLEX_DEGRADED;
436 			p->state = GV_PLEX_DOWN;
443 			p->state = GV_PLEX_DEGRADED;
445 			p->state = GV_PLEX_DOWN;
447 		p->state = GV_PLEX_DOWN;
449 	if (p->state == GV_PLEX_UP) {
452 				p->state = GV_PLEX_GROWABLE;
458 	if (p->state != oldstate)
459 		G_VINUM_DEBUG(1, "plex %s state change: %s -> %s", p->name,
460 		    gv_plexstate(oldstate), gv_plexstate(p->state));
467 /* Update the volume state based on its plexes. */
477 		v->state = GV_VOL_DOWN;
483 		if (p->state > GV_PLEX_DEGRADED) {
484 			v->state = GV_VOL_UP;
489 		    (p->state == GV_PLEX_DEGRADED)) {
490 			v->state = GV_VOL_UP;
496 	v->state = GV_VOL_DOWN;
499 /* Return a state map for the subdisks of a plex. */
512 		switch (s->state) {