Patch name: lvm-monitor-mirrored-logs.patch Log volume of a mirror can also be a mirror with the following patchset. http://thread.gmane.org/gmane.linux.kernel.device-mapper.devel/10232 If so, monitor such log volumes. Signed-off-by: Malahal Naineni (malahal@xxxxxxxxxx) Index: LVM2/lib/activate/activate.c =================================================================== --- LVM2.orig/lib/activate/activate.c +++ LVM2/lib/activate/activate.c @@ -737,6 +737,7 @@ int monitor_dev_for_events(struct cmd_co int r = 1; struct dm_list *tmp, *snh, *snht; struct lv_segment *seg; + struct lv_segment *log_seg; int (*monitor_fn) (struct lv_segment *s, int e); uint32_t s; @@ -772,6 +773,16 @@ int monitor_dev_for_events(struct cmd_co return r; } + /* + * If the volume is mirrored and its log is also mirrored, monitor + * the log volume as well. + */ + if ((seg = first_seg(lv)) != NULL && seg->log_lv != NULL && + (log_seg = first_seg(seg->log_lv)) != NULL && + seg_is_mirrored(log_seg)) + if (!monitor_dev_for_events(cmd, seg->log_lv, monitor)) + r = 0; + dm_list_iterate(tmp, &lv->segments) { seg = dm_list_item(tmp, struct lv_segment); -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel