diff --git a/cmd/zed/agents/zfs_diagnosis.c b/cmd/zed/agents/zfs_diagnosis.c
index 0250682f9..685f71bb9 100644
--- a/cmd/zed/agents/zfs_diagnosis.c
+++ b/cmd/zed/agents/zfs_diagnosis.c
@@ -39,6 +39,15 @@
 #include "zfs_agents.h"
 #include "fmd_api.h"
 
+/*
+ * Default values for the serd engine when processing checksum or io errors. The
+ * semantics are N <events> in T <seconds>.
+ */
+#define	DEFAULT_CHECKSUM_N	10	/* events */
+#define	DEFAULT_CHECKSUM_T	600	/* seconds */
+#define	DEFAULT_IO_N		10	/* events */
+#define	DEFAULT_IO_T		600	/* seconds */
+
 /*
  * Our serd engines are named 'zfs_<pool_guid>_<vdev_guid>_{checksum,io}'.  This
  * #define reserves enough space for two 64-bit hex values plus the length of
@@ -448,6 +457,8 @@ zfs_fm_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)
 	zfs_case_t *zcp, *dcp;
 	int32_t pool_state;
 	uint64_t ena, pool_guid, vdev_guid;
+	uint64_t checksum_n, checksum_t;
+	uint64_t io_n, io_t;
 	er_timeval_t pool_load;
 	er_timeval_t er_when;
 	nvlist_t *detector;
@@ -784,11 +795,21 @@ zfs_fm_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)
 		if (fmd_nvl_class_match(hdl, nvl,
 		    ZFS_MAKE_EREPORT(FM_EREPORT_ZFS_IO))) {
 			if (zcp->zc_data.zc_serd_io[0] == '\0') {
+				if (nvlist_lookup_uint64(nvl,
+				    FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_N,
+				    &io_n) != 0) {
+					io_n = DEFAULT_IO_N;
+				}
+				if (nvlist_lookup_uint64(nvl,
+				    FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_T,
+				    &io_t) != 0) {
+					io_t = DEFAULT_IO_T;
+				}
 				zfs_serd_name(zcp->zc_data.zc_serd_io,
 				    pool_guid, vdev_guid, "io");
 				fmd_serd_create(hdl, zcp->zc_data.zc_serd_io,
-				    fmd_prop_get_int32(hdl, "io_N"),
-				    fmd_prop_get_int64(hdl, "io_T"));
+				    io_n,
+				    SEC2NSEC(io_t));
 				zfs_case_serialize(zcp);
 			}
 			if (fmd_serd_record(hdl, zcp->zc_data.zc_serd_io, ep))
@@ -813,12 +834,23 @@ zfs_fm_recv(fmd_hdl_t *hdl, fmd_event_t *ep, nvlist_t *nvl, const char *class)
 			}
 
 			if (zcp->zc_data.zc_serd_checksum[0] == '\0') {
+				if (nvlist_lookup_uint64(nvl,
+				    FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_N,
+				    &checksum_n) != 0) {
+					checksum_n = DEFAULT_CHECKSUM_N;
+				}
+				if (nvlist_lookup_uint64(nvl,
+				    FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_T,
+				    &checksum_t) != 0) {
+					checksum_t = DEFAULT_CHECKSUM_T;
+				}
+
 				zfs_serd_name(zcp->zc_data.zc_serd_checksum,
 				    pool_guid, vdev_guid, "checksum");
 				fmd_serd_create(hdl,
 				    zcp->zc_data.zc_serd_checksum,
-				    fmd_prop_get_int32(hdl, "checksum_N"),
-				    fmd_prop_get_int64(hdl, "checksum_T"));
+				    checksum_n,
+				    SEC2NSEC(checksum_t));
 				zfs_case_serialize(zcp);
 			}
 			if (fmd_serd_record(hdl,
diff --git a/include/sys/fm/fs/zfs.h b/include/sys/fm/fs/zfs.h
index 97cb14aee..b9bac7e25 100644
--- a/include/sys/fm/fs/zfs.h
+++ b/include/sys/fm/fs/zfs.h
@@ -78,6 +78,10 @@ extern "C" {
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_READ_ERRORS	"vdev_read_errors"
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_WRITE_ERRORS "vdev_write_errors"
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_ERRORS "vdev_cksum_errors"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_N	"vdev_cksum_n"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_T	"vdev_cksum_t"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_N	"vdev_io_n"
+#define	FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_T	"vdev_io_t"
 #define	FM_EREPORT_PAYLOAD_ZFS_VDEV_DELAYS	"vdev_delays"
 #define	FM_EREPORT_PAYLOAD_ZFS_PARENT_GUID	"parent_guid"
 #define	FM_EREPORT_PAYLOAD_ZFS_PARENT_TYPE	"parent_type"
diff --git a/include/sys/fs/zfs.h b/include/sys/fs/zfs.h
index 993222e28..da2d05216 100644
--- a/include/sys/fs/zfs.h
+++ b/include/sys/fs/zfs.h
@@ -356,6 +356,10 @@ typedef enum {
 	VDEV_PROP_REMOVING,
 	VDEV_PROP_ALLOCATING,
 	VDEV_PROP_FAILFAST,
+	VDEV_PROP_CHECKSUM_N,
+	VDEV_PROP_CHECKSUM_T,
+	VDEV_PROP_IO_N,
+	VDEV_PROP_IO_T,
 	VDEV_NUM_PROPS
 } vdev_prop_t;
 
diff --git a/include/sys/vdev_impl.h b/include/sys/vdev_impl.h
index 3f4b78b94..73c0206ef 100644
--- a/include/sys/vdev_impl.h
+++ b/include/sys/vdev_impl.h
@@ -469,6 +469,14 @@ struct vdev {
 	zfs_ratelimit_t vdev_delay_rl;
 	zfs_ratelimit_t vdev_deadman_rl;
 	zfs_ratelimit_t vdev_checksum_rl;
+
+	/*
+	 * Checksum and IO thresholds for tuning ZED
+	 */
+	uint64_t	vdev_checksum_n;
+	uint64_t	vdev_checksum_t;
+	uint64_t	vdev_io_n;
+	uint64_t	vdev_io_t;
 };
 
 #define	VDEV_PAD_SIZE		(8 << 10)
diff --git a/lib/libzfs/libzfs.abi b/lib/libzfs/libzfs.abi
index 004930e34..16fea63f8 100644
--- a/lib/libzfs/libzfs.abi
+++ b/lib/libzfs/libzfs.abi
@@ -3223,7 +3223,11 @@
       <enumerator name='VDEV_PROP_REMOVING' value='39'/>
       <enumerator name='VDEV_PROP_ALLOCATING' value='40'/>
       <enumerator name='VDEV_PROP_FAILFAST' value='41'/>
-      <enumerator name='VDEV_NUM_PROPS' value='42'/>
+      <enumerator name='VDEV_PROP_CHECKSUM_N' value='42'/>
+      <enumerator name='VDEV_PROP_CHECKSUM_T' value='43'/>
+      <enumerator name='VDEV_PROP_IO_N' value='44'/>
+      <enumerator name='VDEV_PROP_IO_T' value='45'/>
+      <enumerator name='VDEV_NUM_PROPS' value='46'/>
     </enum-decl>
     <typedef-decl name='vdev_prop_t' type-id='1573bec8' id='5aa5c90c'/>
     <enum-decl name='vdev_state' id='21566197'>
diff --git a/lib/libzfs/libzfs_pool.c b/lib/libzfs/libzfs_pool.c
index aa8213eb1..b3e12bd84 100644
--- a/lib/libzfs/libzfs_pool.c
+++ b/lib/libzfs/libzfs_pool.c
@@ -5002,6 +5002,17 @@ zpool_get_vdev_prop_value(nvlist_t *nvprop, vdev_prop_t prop, char *prop_name,
 				    (u_longlong_t)intval);
 			}
 			break;
+		case VDEV_PROP_CHECKSUM_N:
+		case VDEV_PROP_CHECKSUM_T:
+		case VDEV_PROP_IO_N:
+		case VDEV_PROP_IO_T:
+			if (intval == UINT64_MAX) {
+				(void) strlcpy(buf, "-", len);
+			} else {
+				(void) snprintf(buf, len, "%llu",
+				    (u_longlong_t)intval);
+			}
+			break;
 		case VDEV_PROP_FRAGMENTATION:
 			if (intval == UINT64_MAX) {
 				(void) strlcpy(buf, "-", len);
diff --git a/lib/libzfs/libzfs_util.c b/lib/libzfs/libzfs_util.c
index c31f18009..2507bfecd 100644
--- a/lib/libzfs/libzfs_util.c
+++ b/lib/libzfs/libzfs_util.c
@@ -1681,6 +1681,18 @@ zprop_parse_value(libzfs_handle_t *hdl, nvpair_t *elem, int prop,
 			*ivalp = UINT64_MAX;
 		}
 
+		/*
+		 * Special handling for "checksum_*=none". In this case it's not
+		 * 0 but UINT64_MAX.
+		 */
+		if ((type & ZFS_TYPE_VDEV) && isnone &&
+		    (prop == VDEV_PROP_CHECKSUM_N ||
+		    prop == VDEV_PROP_CHECKSUM_T ||
+		    prop == VDEV_PROP_IO_N ||
+		    prop == VDEV_PROP_IO_T)) {
+			*ivalp = UINT64_MAX;
+		}
+
 		/*
 		 * Special handling for setting 'refreservation' to 'auto'.  Use
 		 * UINT64_MAX to tell the caller to use zfs_fix_auto_resv().
diff --git a/man/man7/vdevprops.7 b/man/man7/vdevprops.7
index af5d26f6b..6eebfa006 100644
--- a/man/man7/vdevprops.7
+++ b/man/man7/vdevprops.7
@@ -43,7 +43,8 @@ section, below.
 .Ss Native Properties
 Every vdev has a set of properties that export statistics about the vdev
 as well as control various behaviors.
-Properties are NOT inherited from top-level vdevs.
+Properties are not inherited from top-level vdevs, with the exception of
+checksum_n, checksum_t, io_n, and io_t.
 .Pp
 The values of numeric properties can be specified using human-readable suffixes
 .Po for example,
@@ -114,9 +115,19 @@ The cumulative size of all operations of each type performed by this vdev
 If this device is currently being removed from the pool
 .El
 .Pp
-The following native properties can be used to change the behavior of a ZFS
-dataset.
+The following native properties can be used to change the behavior of a vdev.
 .Bl -tag -width "allocating"
+.It Sy checksum_n , checksum_t , io_n , io_t
+Tune the fault management daemon by specifying checksum/io thresholds of <N>
+errors in <T> seconds, respectively.
+These properties can be set on leaf and top-level vdevs.
+When the property is set on the leaf and top-level vdev, the value of the leaf
+vdev will be used.
+If the property is only set on the top-level vdev, this value will be used.
+The value of these properties do not persist across vdev replacement.
+For this reason, it is advisable to set the property on the top-level vdev -
+not on the leaf vdev itself.
+The default values are 10 errors in 600 seconds.
 .It Sy comment
 A text comment up to 8192 characters long
 .It Sy bootsize
diff --git a/module/zcommon/zpool_prop.c b/module/zcommon/zpool_prop.c
index 285b97909..e99acef5a 100644
--- a/module/zcommon/zpool_prop.c
+++ b/module/zcommon/zpool_prop.c
@@ -410,6 +410,18 @@ vdev_prop_init(void)
 	    sfeatures);
 
 	/* default numeric properties */
+	zprop_register_number(VDEV_PROP_CHECKSUM_N, "checksum_n", UINT64_MAX,
+	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "CKSUM_N", B_FALSE,
+	    sfeatures);
+	zprop_register_number(VDEV_PROP_CHECKSUM_T, "checksum_t", UINT64_MAX,
+	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "CKSUM_T", B_FALSE,
+	    sfeatures);
+	zprop_register_number(VDEV_PROP_IO_N, "io_n", UINT64_MAX,
+	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<events>", "IO_N", B_FALSE,
+	    sfeatures);
+	zprop_register_number(VDEV_PROP_IO_T, "io_t", UINT64_MAX,
+	    PROP_DEFAULT, ZFS_TYPE_VDEV, "<seconds>", "IO_T", B_FALSE,
+	    sfeatures);
 
 	/* default index (boolean) properties */
 	zprop_register_index(VDEV_PROP_REMOVING, "removing", 0,
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index 891744261..8f3e461ba 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -389,6 +389,31 @@ vdev_get_nparity(vdev_t *vd)
 	return (nparity);
 }
 
+static int
+vdev_prop_get_int(vdev_t *vd, vdev_prop_t prop, uint64_t *value)
+{
+	spa_t *spa = vd->vdev_spa;
+	objset_t *mos = spa->spa_meta_objset;
+	uint64_t objid;
+	int err;
+
+	if (vd->vdev_top_zap != 0) {
+		objid = vd->vdev_top_zap;
+	} else if (vd->vdev_leaf_zap != 0) {
+		objid = vd->vdev_leaf_zap;
+	} else {
+		return (EINVAL);
+	}
+
+	err = zap_lookup(mos, objid, vdev_prop_to_name(prop),
+	    sizeof (uint64_t), 1, value);
+
+	if (err == ENOENT)
+		*value = vdev_prop_default_numeric(prop);
+
+	return (err);
+}
+
 /*
  * Get the number of data disks for a top-level vdev.
  */
@@ -642,6 +667,14 @@ vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops)
 	zfs_ratelimit_init(&vd->vdev_checksum_rl,
 	    &zfs_checksum_events_per_second, 1);
 
+	/*
+	 * Default Thresholds for tuning ZED
+	 */
+	vd->vdev_checksum_n = vdev_prop_default_numeric(VDEV_PROP_CHECKSUM_N);
+	vd->vdev_checksum_t = vdev_prop_default_numeric(VDEV_PROP_CHECKSUM_T);
+	vd->vdev_io_n = vdev_prop_default_numeric(VDEV_PROP_IO_N);
+	vd->vdev_io_t = vdev_prop_default_numeric(VDEV_PROP_IO_T);
+
 	list_link_init(&vd->vdev_config_dirty_node);
 	list_link_init(&vd->vdev_state_dirty_node);
 	list_link_init(&vd->vdev_initialize_node);
@@ -3597,6 +3630,39 @@ vdev_load(vdev_t *vd)
 		}
 	}
 
+	if (vd->vdev_top_zap != 0 || vd->vdev_leaf_zap != 0) {
+		uint64_t zapobj;
+
+		if (vd->vdev_top_zap != 0)
+			zapobj = vd->vdev_top_zap;
+		else
+			zapobj = vd->vdev_leaf_zap;
+
+		error = vdev_prop_get_int(vd, VDEV_PROP_CHECKSUM_N,
+		    &vd->vdev_checksum_n);
+		if (error && error != ENOENT)
+			vdev_dbgmsg(vd, "vdev_load: zap_lookup(zap=%llu) "
+			    "failed [error=%d]", (u_longlong_t)zapobj, error);
+
+		error = vdev_prop_get_int(vd, VDEV_PROP_CHECKSUM_T,
+		    &vd->vdev_checksum_t);
+		if (error && error != ENOENT)
+			vdev_dbgmsg(vd, "vdev_load: zap_lookup(zap=%llu) "
+			    "failed [error=%d]", (u_longlong_t)zapobj, error);
+
+		error = vdev_prop_get_int(vd, VDEV_PROP_IO_N,
+		    &vd->vdev_io_n);
+		if (error && error != ENOENT)
+			vdev_dbgmsg(vd, "vdev_load: zap_lookup(zap=%llu) "
+			    "failed [error=%d]", (u_longlong_t)zapobj, error);
+
+		error = vdev_prop_get_int(vd, VDEV_PROP_IO_T,
+		    &vd->vdev_io_t);
+		if (error && error != ENOENT)
+			vdev_dbgmsg(vd, "vdev_load: zap_lookup(zap=%llu) "
+			    "failed [error=%d]", (u_longlong_t)zapobj, error);
+	}
+
 	/*
 	 * If this is a top-level vdev, initialize its metaslabs.
 	 */
@@ -5736,6 +5802,34 @@ vdev_prop_set(vdev_t *vd, nvlist_t *innvl, nvlist_t *outnvl)
 			}
 			vd->vdev_failfast = intval & 1;
 			break;
+		case VDEV_PROP_CHECKSUM_N:
+			if (nvpair_value_uint64(elem, &intval) != 0) {
+				error = EINVAL;
+				break;
+			}
+			vd->vdev_checksum_n = intval;
+			break;
+		case VDEV_PROP_CHECKSUM_T:
+			if (nvpair_value_uint64(elem, &intval) != 0) {
+				error = EINVAL;
+				break;
+			}
+			vd->vdev_checksum_t = intval;
+			break;
+		case VDEV_PROP_IO_N:
+			if (nvpair_value_uint64(elem, &intval) != 0) {
+				error = EINVAL;
+				break;
+			}
+			vd->vdev_io_n = intval;
+			break;
+		case VDEV_PROP_IO_T:
+			if (nvpair_value_uint64(elem, &intval) != 0) {
+				error = EINVAL;
+				break;
+			}
+			vd->vdev_io_t = intval;
+			break;
 		default:
 			/* Most processing is done in vdev_props_set_sync */
 			break;
@@ -6025,28 +6119,25 @@ vdev_prop_get(vdev_t *vd, nvlist_t *innvl, nvlist_t *outnvl)
 				continue;
 			/* Numeric Properites */
 			case VDEV_PROP_ALLOCATING:
-				src = ZPROP_SRC_LOCAL;
-				strval = NULL;
-
-				err = zap_lookup(mos, objid, nvpair_name(elem),
-				    sizeof (uint64_t), 1, &intval);
-				if (err == ENOENT) {
-					intval =
-					    vdev_prop_default_numeric(prop);
-					err = 0;
-				} else if (err)
-					break;
-				if (intval == vdev_prop_default_numeric(prop))
-					src = ZPROP_SRC_DEFAULT;
-
 				/* Leaf vdevs cannot have this property */
 				if (vd->vdev_mg == NULL &&
 				    vd->vdev_top != NULL) {
 					src = ZPROP_SRC_NONE;
 					intval = ZPROP_BOOLEAN_NA;
+				} else {
+					err = vdev_prop_get_int(vd, prop,
+					    &intval);
+					if (err && err != ENOENT)
+						break;
+
+					if (intval ==
+					    vdev_prop_default_numeric(prop))
+						src = ZPROP_SRC_DEFAULT;
+					else
+						src = ZPROP_SRC_LOCAL;
 				}
 
-				vdev_prop_add_list(outnvl, propname, strval,
+				vdev_prop_add_list(outnvl, propname, NULL,
 				    intval, src);
 				break;
 			case VDEV_PROP_FAILFAST:
@@ -6068,6 +6159,22 @@ vdev_prop_get(vdev_t *vd, nvlist_t *innvl, nvlist_t *outnvl)
 				vdev_prop_add_list(outnvl, propname, strval,
 				    intval, src);
 				break;
+			case VDEV_PROP_CHECKSUM_N:
+			case VDEV_PROP_CHECKSUM_T:
+			case VDEV_PROP_IO_N:
+			case VDEV_PROP_IO_T:
+				err = vdev_prop_get_int(vd, prop, &intval);
+				if (err && err != ENOENT)
+					break;
+
+				if (intval == vdev_prop_default_numeric(prop))
+					src = ZPROP_SRC_DEFAULT;
+				else
+					src = ZPROP_SRC_LOCAL;
+
+				vdev_prop_add_list(outnvl, propname, NULL,
+				    intval, src);
+				break;
 			/* Text Properties */
 			case VDEV_PROP_COMMENT:
 				/* Exists in the ZAP below */
diff --git a/module/zfs/zfs_fm.c b/module/zfs/zfs_fm.c
index fd0dc7d69..7169e49ac 100644
--- a/module/zfs/zfs_fm.c
+++ b/module/zfs/zfs_fm.c
@@ -200,6 +200,42 @@ recent_events_compare(const void *a, const void *b)
 	return (0);
 }
 
+/*
+ * workaround: vdev properties don't have inheritance
+ */
+static uint64_t
+vdev_prop_get_inherited(vdev_t *vd, vdev_prop_t prop)
+{
+	uint64_t propdef, propval;
+
+	propdef = vdev_prop_default_numeric(prop);
+	switch (prop) {
+		case VDEV_PROP_CHECKSUM_N:
+			propval = vd->vdev_checksum_n;
+			break;
+		case VDEV_PROP_CHECKSUM_T:
+			propval = vd->vdev_checksum_t;
+			break;
+		case VDEV_PROP_IO_N:
+			propval = vd->vdev_io_n;
+			break;
+		case VDEV_PROP_IO_T:
+			propval = vd->vdev_io_t;
+			break;
+		default:
+			propval = propdef;
+			break;
+	}
+
+	if (propval != propdef)
+		return (propval);
+
+	if (vd->vdev_parent == NULL)
+		return (propdef);
+
+	return (vdev_prop_get_inherited(vd->vdev_parent, prop));
+}
+
 static void zfs_ereport_schedule_cleaner(void);
 
 /*
@@ -662,6 +698,49 @@ zfs_ereport_start(nvlist_t **ereport_out, nvlist_t **detector_out,
 		    DATA_TYPE_UINT64, zb->zb_blkid, NULL);
 	}
 
+	/*
+	 * Payload for tuning the zed
+	 */
+	if (vd != NULL && strcmp(subclass, FM_EREPORT_ZFS_CHECKSUM) == 0) {
+		uint64_t cksum_n, cksum_t;
+
+		cksum_n = vdev_prop_get_inherited(vd, VDEV_PROP_CHECKSUM_N);
+		if (cksum_n != vdev_prop_default_numeric(VDEV_PROP_CHECKSUM_N))
+			fm_payload_set(ereport,
+			    FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_N,
+			    DATA_TYPE_UINT64,
+			    cksum_n,
+			    NULL);
+
+		cksum_t = vdev_prop_get_inherited(vd, VDEV_PROP_CHECKSUM_T);
+		if (cksum_t != vdev_prop_default_numeric(VDEV_PROP_CHECKSUM_T))
+			fm_payload_set(ereport,
+			    FM_EREPORT_PAYLOAD_ZFS_VDEV_CKSUM_T,
+			    DATA_TYPE_UINT64,
+			    cksum_t,
+			    NULL);
+	}
+
+	if (vd != NULL && strcmp(subclass, FM_EREPORT_ZFS_IO) == 0) {
+		uint64_t io_n, io_t;
+
+		io_n = vdev_prop_get_inherited(vd, VDEV_PROP_IO_N);
+		if (io_n != vdev_prop_default_numeric(VDEV_PROP_IO_N))
+			fm_payload_set(ereport,
+			    FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_N,
+			    DATA_TYPE_UINT64,
+			    io_n,
+			    NULL);
+
+		io_t = vdev_prop_get_inherited(vd, VDEV_PROP_IO_T);
+		if (io_t != vdev_prop_default_numeric(VDEV_PROP_IO_T))
+			fm_payload_set(ereport,
+			    FM_EREPORT_PAYLOAD_ZFS_VDEV_IO_T,
+			    DATA_TYPE_UINT64,
+			    io_t,
+			    NULL);
+	}
+
 	mutex_exit(&spa->spa_errlist_lock);
 
 	*ereport_out = ereport;
diff --git a/tests/runfiles/linux.run b/tests/runfiles/linux.run
index 23292a488..15755408b 100644
--- a/tests/runfiles/linux.run
+++ b/tests/runfiles/linux.run
@@ -87,7 +87,7 @@ tags = ['functional', 'devices']
 
 [tests/functional/events:Linux]
 tests = ['events_001_pos', 'events_002_pos', 'zed_rc_filter', 'zed_fd_spill',
-    'zed_cksum_reported']
+    'zed_cksum_reported', 'zed_cksum_config', 'zed_io_config']
 tags = ['functional', 'events']
 
 [tests/functional/fadvise:Linux]
diff --git a/tests/zfs-tests/tests/Makefile.am b/tests/zfs-tests/tests/Makefile.am
index 33f78e590..7d734b831 100644
--- a/tests/zfs-tests/tests/Makefile.am
+++ b/tests/zfs-tests/tests/Makefile.am
@@ -1367,8 +1367,10 @@ nobase_dist_datadir_zfs_tests_tests_SCRIPTS += \
 	functional/events/events_001_pos.ksh \
 	functional/events/events_002_pos.ksh \
 	functional/events/setup.ksh \
+	functional/events/zed_cksum_config.ksh \
 	functional/events/zed_cksum_reported.ksh \
 	functional/events/zed_fd_spill.ksh \
+	functional/events/zed_io_config.ksh \
 	functional/events/zed_rc_filter.ksh \
 	functional/exec/cleanup.ksh \
 	functional/exec/exec_001_pos.ksh \
diff --git a/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh b/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh
new file mode 100755
index 000000000..5aae3d034
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/events/zed_cksum_config.ksh
@@ -0,0 +1,158 @@
+#!/bin/ksh -p
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or https://opensource.org/licenses/CDDL-1.0.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2022, Klara Inc.
+#
+
+# DESCRIPTION:
+#	Verify that vdev properties, checksum_n and checksum_t, work with ZED.
+#
+# STRATEGY:
+#	1. Create a pool with single vdev
+#	2. Set checksum_n/checksum_t to non-default values
+#	3. Inject checksum errors
+#	4. Verify that ZED degrades vdev
+#
+
+. $STF_SUITE/include/libtest.shlib
+. $STF_SUITE/tests/functional/events/events_common.kshlib
+
+verify_runnable "both"
+
+MOUNTDIR="$TEST_BASE_DIR/checksum_mount"
+FILEPATH="$MOUNTDIR/checksum_file"
+VDEV="$TEST_BASE_DIR/vdevfile.$$"
+POOL="checksum_pool"
+FILESIZE="10M"
+
+function cleanup
+{
+	log_must zed_stop
+
+	log_must zinject -c all
+	if poolexists $POOL ; then
+		destroy_pool $POOL
+	fi
+	log_must rm -fd $VDEV $MOUNTDIR
+}
+
+log_onexit cleanup
+
+log_assert "Test ZED checksum_N and checksum_T configurability"
+
+function do_setup
+{
+	log_must zpool create -f -m $MOUNTDIR $POOL $VDEV
+	log_must zpool events -c
+	log_must truncate -s 0 $ZED_DEBUG_LOG
+	log_must zfs set compression=off $POOL
+	log_must zfs set primarycache=none $POOL
+	log_must zfs set recordsize=512 $POOL
+}
+
+function do_clean
+{
+	log_must zinject -c all
+	log_must zpool destroy $POOL
+}
+
+function must_degrade
+{
+	log_must wait_vdev_state $POOL $VDEV "DEGRADED" 60
+}
+
+function mustnot_degrade
+{
+	log_must file_wait $ZED_DEBUG_LOG 5
+	log_must wait_vdev_state $POOL $VDEV "ONLINE" 60
+}
+
+# Test default settings of ZED:
+#   checksum_n=10
+#   checksum_t=600
+# fire 10 events, should degrade.
+function default_degrade
+{
+	do_setup
+
+	log_must mkfile $FILESIZE $FILEPATH
+	log_must zinject -a -t data -e checksum -T read -f 100 $FILEPATH
+
+	blk=0
+	for _ in {1..10}; do
+		dd if=$FILEPATH of=/dev/null bs=1 count=1 skip=$blk 2>/dev/null
+		blk=$((blk+512))
+	done
+
+	must_degrade
+
+	do_clean
+}
+
+# Set checksum_t=1
+# fire 10 events over 2.5 seconds, should not degrade.
+function checksum_t_no_degrade
+{
+	do_setup
+
+	log_must zpool set checksum_t=1 $POOL $VDEV
+	log_must mkfile $FILESIZE $FILEPATH
+	log_must zinject -a -t data -e checksum -T read -f 100 $FILEPATH
+
+	blk=0
+	for _ in {1..10}; do
+		dd if=$FILEPATH of=/dev/null bs=1 count=1 skip=$blk 2>/dev/null
+		blk=$((blk+512))
+		sleep 0.25
+	done
+
+	mustnot_degrade
+
+	do_clean
+}
+
+# Set checksum_n=1
+# fire 1 event, should degrade.
+function checksum_n_degrade
+{
+	do_setup
+
+	log_must zpool set checksum_n=1 $POOL $VDEV
+	log_must mkfile $FILESIZE $FILEPATH
+	log_must zinject -a -t data -e checksum -T read -f 100 $FILEPATH
+
+	dd if=$FILEPATH of=/dev/null bs=1 count=1 2>/dev/null
+
+	must_degrade
+
+	do_clean
+}
+
+log_must truncate -s $MINVDEVSIZE $VDEV
+log_must mkdir -p $MOUNTDIR
+
+log_must zed_start
+default_degrade
+checksum_n_degrade
+checksum_t_no_degrade
+
+log_pass "Test ZED checksum_N and checksum_T configurability"
diff --git a/tests/zfs-tests/tests/functional/events/zed_io_config.ksh b/tests/zfs-tests/tests/functional/events/zed_io_config.ksh
new file mode 100755
index 000000000..637f979fe
--- /dev/null
+++ b/tests/zfs-tests/tests/functional/events/zed_io_config.ksh
@@ -0,0 +1,150 @@
+#!/bin/ksh -p
+# CDDL HEADER START
+#
+# The contents of this file are subject to the terms of the
+# Common Development and Distribution License (the "License").
+# You may not use this file except in compliance with the License.
+#
+# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+# or https://opensource.org/licenses/CDDL-1.0.
+# See the License for the specific language governing permissions
+# and limitations under the License.
+#
+# When distributing Covered Code, include this CDDL HEADER in each
+# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+# If applicable, add the following below this CDDL HEADER, with the
+# fields enclosed by brackets "[]" replaced with your own identifying
+# information: Portions Copyright [yyyy] [name of copyright owner]
+#
+# CDDL HEADER END
+#
+
+#
+# Copyright (c) 2022, Klara Inc.
+#
+
+# DESCRIPTION:
+#	Verify that vdev properties, io_n and io_t, work with ZED.
+#
+# STRATEGY:
+#	1. Create a mirrored pool.
+#	3. Set io_n/io_t to non-default values
+#	3. Inject io errors
+#	4. Verify that ZED degrades vdev
+
+. $STF_SUITE/include/libtest.shlib
+. $STF_SUITE/tests/functional/events/events_common.kshlib
+
+verify_runnable "both"
+
+MOUNTDIR="$TEST_BASE_DIR/io_mount"
+FILEPATH="$MOUNTDIR/io_file"
+VDEV="$TEST_BASE_DIR/vdevfile.$$"
+VDEV1="$TEST_BASE_DIR/vdevfile1.$$"
+POOL="io_pool"
+
+function cleanup
+{
+	log_must zed_stop
+
+	log_must zinject -c all
+	if poolexists $POOL ; then
+		destroy_pool $POOL
+	fi
+	log_must rm -fd $VDEV $VDEV1 $MOUNTDIR
+	log_must set_tunable32 PREFETCH_DISABLE $zfsprefetch
+}
+log_onexit cleanup
+
+log_assert "Test ZED io_n and io_t configurability"
+
+zfsprefetch=$(get_tunable PREFETCH_DISABLE)
+log_must set_tunable32 PREFETCH_DISABLE 1
+
+function setup_pool
+{
+	log_must zpool create -f -m $MOUNTDIR $POOL mirror $VDEV $VDEV1
+	log_must zpool events -c
+	log_must truncate -s 0 $ZED_DEBUG_LOG
+	log_must zfs set compression=off $POOL
+	log_must zfs set primarycache=none $POOL
+	log_must zfs set recordsize=512 $POOL
+}
+
+function do_clean
+{
+	log_must zinject -c all
+	log_must zpool destroy $POOL
+}
+
+# Test default ZED settings:
+#   io_n=10	(events)
+#   io_t=600	(seconds)
+# fire 10 events over 2.5 seconds, should degrade.
+function default_degrade
+{
+	setup_pool
+
+	log_must dd if=/dev/urandom of=$FILEPATH bs=1M count=64
+	log_must zinject -a -d $VDEV -e io -T read -f 100 $POOL
+
+	blk=0
+	for _ in {1..10}; do
+		dd if=$FILEPATH of=/dev/null bs=1 count=1 skip=$blk 2>/dev/null
+		blk=$((blk+512))
+		sleep 0.25
+	done
+
+	log_must wait_vdev_state $POOL $VDEV "FAULTED" 60
+	do_clean
+}
+
+# set io_n=1
+# fire 1 event, should degrade
+function io_n_degrade
+{
+	setup_pool
+
+	log_must zpool set io_n=1 $POOL $VDEV
+	log_must dd if=/dev/urandom of=$FILEPATH bs=1M count=64
+	log_must zinject -a -d $VDEV -e io -T read -f 100 $POOL
+
+	dd if=$FILEPATH of=/dev/null bs=1 count=1 2>/dev/null
+
+	log_must wait_vdev_state $POOL $VDEV "FAULTED" 60
+	do_clean
+}
+
+# set io_t=1
+# fire 10 events over 2.5 seconds, should not degrade
+function io_t_nodegrade
+{
+	setup_pool
+
+	log_must zpool set io_t=1 $POOL $VDEV
+	log_must dd if=/dev/urandom of=$FILEPATH bs=1M count=64
+	log_must zinject -a -d $VDEV -e io -T read -f 100 $POOL
+
+	blk=0
+	for _ in {1..10}; do
+		dd if=$FILEPATH of=/dev/null bs=1 count=1 skip=$blk 2>/dev/null
+		blk=$((blk+512))
+		sleep 0.25
+	done
+
+	log_must file_wait $ZED_DEBUG_LOG 30
+	log_must wait_vdev_state $POOL $VDEV "ONLINE" 1
+
+	do_clean
+}
+
+log_must truncate -s $MINVDEVSIZE $VDEV
+log_must truncate -s $MINVDEVSIZE $VDEV1
+log_must mkdir -p $MOUNTDIR
+
+log_must zed_start
+default_degrade
+io_n_degrade
+io_t_nodegrade
+
+log_pass "Test ZED io_n and io_t configurability"