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---
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libmultipath/print.c | 7 +++++++
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libmultipath/structs.h | 1 +
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libmultipath/structs_vec.c | 24 ++++++++++++++----------
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multipathd/cli_handlers.c | 11 ++++++++++-
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multipathd/main.c | 2 ++
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5 files changed, 34 insertions(+), 11 deletions(-)
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Index: multipath-tools-130222/libmultipath/print.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/print.c
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+++ multipath-tools-130222/libmultipath/print.c
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@@ -248,6 +248,12 @@ snprint_q_timeouts (char * buff, size_t
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}
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static int
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+snprint_map_failures (char * buff, size_t len, struct multipath * mpp)
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+{
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+ return snprint_uint(buff, len, mpp->stat_map_failures);
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+}
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+
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+static int
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snprint_multipath_uuid (char * buff, size_t len, struct multipath * mpp)
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{
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return snprint_str(buff, len, mpp->wwid);
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@@ -546,6 +552,7 @@ struct multipath_data mpd[] = {
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{'t', "dm-st", 0, snprint_dm_map_state},
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{'S', "size", 0, snprint_multipath_size},
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{'f', "features", 0, snprint_features},
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+ {'x', "failures", 0, snprint_map_failures},
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{'h', "hwhandler", 0, snprint_hwhandler},
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{'A', "action", 0, snprint_action},
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{'0', "path_faults", 0, snprint_path_faults},
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Index: multipath-tools-130222/libmultipath/structs.h
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/structs.h
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+++ multipath-tools-130222/libmultipath/structs.h
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@@ -270,6 +270,7 @@ struct multipath {
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unsigned int stat_map_loads;
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unsigned int stat_total_queueing_time;
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unsigned int stat_queueing_timeouts;
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+ unsigned int stat_map_failures;
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/* checkers shared data */
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void * mpcontext;
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Index: multipath-tools-130222/libmultipath/structs_vec.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/structs_vec.c
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+++ multipath-tools-130222/libmultipath/structs_vec.c
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@@ -579,16 +579,20 @@ int update_multipath (struct vectors *ve
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*/
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void update_queue_mode_del_path(struct multipath *mpp)
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{
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- if (--mpp->nr_active == 0 && mpp->no_path_retry > 0) {
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- /*
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- * Enter retry mode.
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- * meaning of +1: retry_tick may be decremented in
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- * checkerloop before starting retry.
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- */
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- mpp->stat_queueing_timeouts++;
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- mpp->retry_tick = mpp->no_path_retry * conf->checkint + 1;
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- condlog(1, "%s: Entering recovery mode: max_retries=%d",
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- mpp->alias, mpp->no_path_retry);
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+ if (--mpp->nr_active == 0) {
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+ if (mpp->no_path_retry > 0) {
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+ /*
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+ * Enter retry mode.
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+ * meaning of +1: retry_tick may be decremented in
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+ * checkerloop before starting retry.
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+ */
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+ mpp->stat_queueing_timeouts++;
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+ mpp->retry_tick = mpp->no_path_retry *
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+ conf->checkint + 1;
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+ condlog(1, "%s: Entering recovery mode: max_retries=%d",
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+ mpp->alias, mpp->no_path_retry);
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+ } else if (mpp->no_path_retry != NO_PATH_RETRY_QUEUE)
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+ mpp->stat_map_failures++;
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}
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condlog(2, "%s: remaining active paths: %d", mpp->alias, mpp->nr_active);
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}
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Index: multipath-tools-130222/multipathd/cli_handlers.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/cli_handlers.c
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+++ multipath-tools-130222/multipathd/cli_handlers.c
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@@ -319,9 +319,14 @@ show_maps (char ** r, int *len, struct v
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c += snprint_multipath_header(c, reply + maxlen - c,
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style);
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- vector_foreach_slot(vecs->mpvec, mpp, i)
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+ vector_foreach_slot(vecs->mpvec, mpp, i) {
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+ if (update_multipath(vecs, mpp->alias, 0)) {
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+ i--;
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+ continue;
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+ }
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c += snprint_multipath(c, reply + maxlen - c,
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style, mpp, pretty);
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+ }
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again = ((c - reply) == (maxlen - 1));
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@@ -742,6 +747,8 @@ cli_disable_queueing(void *v, char **rep
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return 1;
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}
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+ if (mpp->nr_active == 0)
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+ mpp->stat_map_failures++;
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mpp->retry_tick = 0;
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dm_queue_if_no_path(mpp->alias, 0);
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return 0;
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@@ -756,6 +763,8 @@ cli_disable_all_queueing(void *v, char *
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condlog(2, "disable queueing (operator)");
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vector_foreach_slot(vecs->mpvec, mpp, i) {
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+ if (mpp->nr_active == 0)
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+ mpp->stat_map_failures++;
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mpp->retry_tick = 0;
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dm_queue_if_no_path(mpp->alias, 0);
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}
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Index: multipath-tools-130222/multipathd/main.c
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===================================================================
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--- multipath-tools-130222.orig/multipathd/main.c
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+++ multipath-tools-130222/multipathd/main.c
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@@ -716,6 +716,7 @@ ev_remove_path (struct path *pp, struct
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mpp->retry_tick = 0;
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mpp->no_path_retry = NO_PATH_RETRY_FAIL;
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mpp->flush_on_last_del = FLUSH_IN_PROGRESS;
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+ mpp->stat_map_failures++;
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dm_queue_if_no_path(mpp->alias, 0);
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}
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if (!flush_map(mpp, vecs, 1)) {
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@@ -1197,6 +1198,7 @@ retry_count_tick(vector mpvec)
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mpp->stat_total_queueing_time++;
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condlog(4, "%s: Retrying.. No active path", mpp->alias);
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if(--mpp->retry_tick == 0) {
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+ mpp->stat_map_failures++;
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dm_queue_if_no_path(mpp->alias, 0);
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condlog(2, "%s: Disable queueing", mpp->alias);
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}
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