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d88bf6 |
---
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libmultipath/configure.c | 21 ++++++++++++++++++++-
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libmultipath/configure.h | 1 +
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multipath/main.c | 21 +++++++++++++++++++++
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3 files changed, 42 insertions(+), 1 deletion(-)
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d88bf6 |
Index: multipath-tools-130222/libmultipath/configure.c
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d88bf6 |
===================================================================
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--- multipath-tools-130222.orig/libmultipath/configure.c
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+++ multipath-tools-130222/libmultipath/configure.c
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@@ -743,7 +743,8 @@ deadmap (struct multipath * mpp)
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return 1; /* dead */
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}
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d88bf6 |
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d88bf6 |
-int check_daemon(void)
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+extern int
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+check_daemon(void)
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{
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int fd;
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char *reply;
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@@ -776,6 +777,7 @@ coalesce_paths (struct vectors * vecs, v
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{
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int r = 1;
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int k, i;
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+ int map_processed = 0;
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char empty_buff[WWID_SIZE];
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char params[PARAMS_SIZE];
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struct multipath * mpp;
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@@ -936,6 +938,13 @@ coalesce_paths (struct vectors * vecs, v
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else
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remove_map(mpp, vecs, 0);
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}
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+
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+ /* By now at least one multipath device map is processed,
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+ * so set map_processed = 1
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+ */
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+ if (!map_processed)
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+ map_processed = 1;
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+
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}
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d88bf6 |
/*
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* Flush maps with only dead paths (ie not in sysfs)
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@@ -963,6 +972,16 @@ coalesce_paths (struct vectors * vecs, v
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condlog(2, "%s: remove (dead)", alias);
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}
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}
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+
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+ /* If there is at least one multipath device map processed then
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+ * check if 'multipathd' service is running or not?
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+ */
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+ if (map_processed) {
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+ if (!conf->daemon && !check_daemon())
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+ condlog(0, "'multipathd' service is currently not "
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+ "running, IO failover/failback will not work");
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+ }
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+
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return 0;
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}
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d88bf6 |
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d88bf6 |
Index: multipath-tools-130222/libmultipath/configure.h
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d88bf6 |
===================================================================
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d88bf6 |
--- multipath-tools-130222.orig/libmultipath/configure.h
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+++ multipath-tools-130222/libmultipath/configure.h
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@@ -27,6 +27,7 @@ enum actions {
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int setup_map (struct multipath * mpp, char * params, int params_size );
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int domap (struct multipath * mpp, char * params);
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int reinstate_paths (struct multipath *mpp);
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+int check_daemon(void);
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int coalesce_paths (struct vectors *vecs, vector curmp, char * refwwid, int force_reload);
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int get_refwwid (char * dev, enum devtypes dev_type, vector pathvec, char **wwid);
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int reload_map(struct vectors *vecs, struct multipath *mpp, int refresh);
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d88bf6 |
Index: multipath-tools-130222/multipath/main.c
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d88bf6 |
===================================================================
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d88bf6 |
--- multipath-tools-130222.orig/multipath/main.c
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+++ multipath-tools-130222/multipath/main.c
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@@ -178,6 +178,7 @@ static int
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get_dm_mpvec (vector curmp, vector pathvec, char * refwwid)
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{
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int i;
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+ int maps_present = 0;
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struct multipath * mpp;
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char params[PARAMS_SIZE], status[PARAMS_SIZE];
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d88bf6 |
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@@ -226,7 +227,27 @@ get_dm_mpvec (vector curmp, vector pathv
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if (conf->cmd == CMD_CREATE)
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reinstate_paths(mpp);
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+
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+ /* At this place we have found at least one multipath
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+ * device map, so set maps_present = 1
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+ */
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+ if (!maps_present)
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+ maps_present = 1;
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+
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}
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+
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+ /* If there is at least one multipath device map present then
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+ * check if 'multipathd' service is running or not?
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+ */
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+ if (maps_present) {
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+ if (!conf->daemon && !check_daemon()) {
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+ condlog(0, "multipath device maps are present, but "
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+ "'multipathd' service is not running");
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+ condlog(0, "IO failover/failback will not work without "
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+ "'multipathd' service running");
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+ }
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+ }
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d88bf6 |
+
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d88bf6 |
return 0;
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d88bf6 |
}
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d88bf6 |
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