Symbol: ESC_ZFS_VDEV_CHECK
usr/src/cmd/syseventd/modules/zfs_mod/zfs_mod.c
770
if (strcmp(subclass, ESC_ZFS_VDEV_CHECK) == 0) {
usr/src/uts/common/fs/zfs/spa.c
1915
spa_event_notify(vd->vdev_spa, vd, NULL, ESC_ZFS_VDEV_CHECK);