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-rw-r--r--module/zfs/spa_misc.c14
-rw-r--r--module/zfs/vdev.c58
-rw-r--r--module/zfs/vdev_label.c10
-rw-r--r--module/zfs/zfs_ioctl.c6
4 files changed, 76 insertions, 12 deletions
diff --git a/module/zfs/spa_misc.c b/module/zfs/spa_misc.c
index 831f83b33..fb425e121 100644
--- a/module/zfs/spa_misc.c
+++ b/module/zfs/spa_misc.c
@@ -1181,13 +1181,21 @@ int
spa_vdev_state_exit(spa_t *spa, vdev_t *vd, int error)
{
boolean_t config_changed = B_FALSE;
+ vdev_t *vdev_top;
+
+ if (vd == NULL || vd == spa->spa_root_vdev) {
+ vdev_top = spa->spa_root_vdev;
+ } else {
+ vdev_top = vd->vdev_top;
+ }
if (vd != NULL || error == 0)
- vdev_dtl_reassess(vd ? vd->vdev_top : spa->spa_root_vdev,
- 0, 0, B_FALSE);
+ vdev_dtl_reassess(vdev_top, 0, 0, B_FALSE);
if (vd != NULL) {
- vdev_state_dirty(vd->vdev_top);
+ if (vd != spa->spa_root_vdev)
+ vdev_state_dirty(vdev_top);
+
config_changed = B_TRUE;
spa->spa_config_generation++;
}
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c
index f44d338ef..1bca227db 100644
--- a/module/zfs/vdev.c
+++ b/module/zfs/vdev.c
@@ -394,6 +394,8 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
char *type;
uint64_t guid = 0, islog, nparity;
vdev_t *vd;
+ char *tmp = NULL;
+ int rc;
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL);
@@ -487,6 +489,19 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &vd->vdev_path) == 0)
vd->vdev_path = spa_strdup(vd->vdev_path);
+
+ /*
+ * ZPOOL_CONFIG_AUX_STATE = "external" means we previously forced a
+ * fault on a vdev and want it to persist across imports (like with
+ * zpool offline -f).
+ */
+ rc = nvlist_lookup_string(nv, ZPOOL_CONFIG_AUX_STATE, &tmp);
+ if (rc == 0 && tmp != NULL && strcmp(tmp, "external") == 0) {
+ vd->vdev_stat.vs_aux = VDEV_AUX_EXTERNAL;
+ vd->vdev_faulted = 1;
+ vd->vdev_label_aux = VDEV_AUX_EXTERNAL;
+ }
+
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_DEVID, &vd->vdev_devid) == 0)
vd->vdev_devid = spa_strdup(vd->vdev_devid);
if (nvlist_lookup_string(nv, ZPOOL_CONFIG_PHYS_PATH,
@@ -591,12 +606,17 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
&vd->vdev_resilver_txg);
/*
- * When importing a pool, we want to ignore the persistent fault
- * state, as the diagnosis made on another system may not be
- * valid in the current context. Local vdevs will
- * remain in the faulted state.
+ * In general, when importing a pool we want to ignore the
+ * persistent fault state, as the diagnosis made on another
+ * system may not be valid in the current context. The only
+ * exception is if we forced a vdev to a persistently faulted
+ * state with 'zpool offline -f'. The persistent fault will
+ * remain across imports until cleared.
+ *
+ * Local vdevs will remain in the faulted state.
*/
- if (spa_load_state(spa) == SPA_LOAD_OPEN) {
+ if (spa_load_state(spa) == SPA_LOAD_OPEN ||
+ spa_load_state(spa) == SPA_LOAD_IMPORT) {
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_FAULTED,
&vd->vdev_faulted);
(void) nvlist_lookup_uint64(nv, ZPOOL_CONFIG_DEGRADED,
@@ -2479,6 +2499,32 @@ vdev_fault(spa_t *spa, uint64_t guid, vdev_aux_t aux)
tvd = vd->vdev_top;
/*
+ * If user did a 'zpool offline -f' then make the fault persist across
+ * reboots.
+ */
+ if (aux == VDEV_AUX_EXTERNAL_PERSIST) {
+ /*
+ * There are two kinds of forced faults: temporary and
+ * persistent. Temporary faults go away at pool import, while
+ * persistent faults stay set. Both types of faults can be
+ * cleared with a zpool clear.
+ *
+ * We tell if a vdev is persistently faulted by looking at the
+ * ZPOOL_CONFIG_AUX_STATE nvpair. If it's set to "external" at
+ * import then it's a persistent fault. Otherwise, it's
+ * temporary. We get ZPOOL_CONFIG_AUX_STATE set to "external"
+ * by setting vd.vdev_stat.vs_aux to VDEV_AUX_EXTERNAL. This
+ * tells vdev_config_generate() (which gets run later) to set
+ * ZPOOL_CONFIG_AUX_STATE to "external" in the nvlist.
+ */
+ vd->vdev_stat.vs_aux = VDEV_AUX_EXTERNAL;
+ vd->vdev_tmpoffline = B_FALSE;
+ aux = VDEV_AUX_EXTERNAL;
+ } else {
+ vd->vdev_tmpoffline = B_TRUE;
+ }
+
+ /*
* We don't directly use the aux state here, but if we do a
* vdev_reopen(), we need this value to be present to remember why we
* were faulted.
@@ -2753,7 +2799,6 @@ vdev_clear(spa_t *spa, vdev_t *vd)
*/
if (vd->vdev_faulted || vd->vdev_degraded ||
!vdev_readable(vd) || !vdev_writeable(vd)) {
-
/*
* When reopening in response to a clear event, it may be due to
* a fmadm repair request. In this case, if the device is
@@ -2764,6 +2809,7 @@ vdev_clear(spa_t *spa, vdev_t *vd)
vd->vdev_faulted = vd->vdev_degraded = 0ULL;
vd->vdev_cant_read = B_FALSE;
vd->vdev_cant_write = B_FALSE;
+ vd->vdev_stat.vs_aux = 0;
vdev_reopen(vd == rvd ? rvd : vd->vdev_top);
diff --git a/module/zfs/vdev_label.c b/module/zfs/vdev_label.c
index 20c0ac86a..021f4774b 100644
--- a/module/zfs/vdev_label.c
+++ b/module/zfs/vdev_label.c
@@ -519,6 +519,7 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
if (vd->vdev_ishole)
fnvlist_add_uint64(nv, ZPOOL_CONFIG_IS_HOLE, B_TRUE);
+ /* Set the reason why we're FAULTED/DEGRADED. */
switch (vd->vdev_stat.vs_aux) {
case VDEV_AUX_ERR_EXCEEDED:
aux = "err_exceeded";
@@ -529,8 +530,15 @@ vdev_config_generate(spa_t *spa, vdev_t *vd, boolean_t getstats,
break;
}
- if (aux != NULL)
+ if (aux != NULL && !vd->vdev_tmpoffline) {
fnvlist_add_string(nv, ZPOOL_CONFIG_AUX_STATE, aux);
+ } else {
+ /*
+ * We're healthy - clear any previous AUX_STATE values.
+ */
+ if (nvlist_exists(nv, ZPOOL_CONFIG_AUX_STATE))
+ nvlist_remove_all(nv, ZPOOL_CONFIG_AUX_STATE);
+ }
if (vd->vdev_splitting && vd->vdev_orig_guid != 0LL) {
fnvlist_add_uint64(nv, ZPOOL_CONFIG_ORIG_GUID,
diff --git a/module/zfs/zfs_ioctl.c b/module/zfs/zfs_ioctl.c
index f94bf3b1c..268e79714 100644
--- a/module/zfs/zfs_ioctl.c
+++ b/module/zfs/zfs_ioctl.c
@@ -156,6 +156,7 @@
#include <sys/spa.h>
#include <sys/spa_impl.h>
#include <sys/vdev.h>
+#include <sys/vdev_impl.h>
#include <sys/priv_impl.h>
#include <sys/dmu.h>
#include <sys/dsl_dir.h>
@@ -1896,7 +1897,8 @@ zfs_ioc_vdev_set_state(zfs_cmd_t *zc)
case VDEV_STATE_FAULTED:
if (zc->zc_obj != VDEV_AUX_ERR_EXCEEDED &&
- zc->zc_obj != VDEV_AUX_EXTERNAL)
+ zc->zc_obj != VDEV_AUX_EXTERNAL &&
+ zc->zc_obj != VDEV_AUX_EXTERNAL_PERSIST)
zc->zc_obj = VDEV_AUX_ERR_EXCEEDED;
error = vdev_fault(spa, zc->zc_guid, zc->zc_obj);
@@ -4919,7 +4921,7 @@ zfs_ioc_clear(zfs_cmd_t *zc)
vdev_clear(spa, vd);
- (void) spa_vdev_state_exit(spa, NULL, 0);
+ (void) spa_vdev_state_exit(spa, spa->spa_root_vdev, 0);
/*
* Resume any suspended I/Os.
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 05:39:41 +0000