summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--cmd/zdb/zdb.c7
-rw-r--r--module/zfs/spa.c20
2 files changed, 25 insertions, 2 deletions
diff --git a/cmd/zdb/zdb.c b/cmd/zdb/zdb.c
index 5f56b10e2..a7bd64ecd 100644
--- a/cmd/zdb/zdb.c
+++ b/cmd/zdb/zdb.c
@@ -96,6 +96,7 @@ extern int reference_tracking_enable;
extern int zfs_recover;
extern uint64_t zfs_arc_max, zfs_arc_meta_limit;
extern int zfs_vdev_async_read_max_active;
+extern boolean_t spa_load_verify_dryrun;
static const char cmdname[] = "zdb";
uint8_t dump_opt[256];
@@ -5009,6 +5010,12 @@ main(int argc, char **argv)
*/
reference_tracking_enable = B_FALSE;
+ /*
+ * Do not fail spa_load when spa_load_verify fails. This is needed
+ * to load non-idle pools.
+ */
+ spa_load_verify_dryrun = B_TRUE;
+
kernel_init(FREAD);
if ((g_zfs = libzfs_init()) == NULL) {
(void) fprintf(stderr, "%s", libzfs_error_init(errno));
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index a17da4239..80f0c6f36 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -170,6 +170,12 @@ uint_t zio_taskq_basedc = 80; /* base duty cycle */
boolean_t spa_create_process = B_TRUE; /* no process ==> no sysdc */
/*
+ * Report any spa_load_verify errors found, but do not fail spa_load.
+ * This is used by zdb to analyze non-idle pools.
+ */
+boolean_t spa_load_verify_dryrun = B_FALSE;
+
+/*
* This (illegal) pool name is used when temporarily importing a spa_t in order
* to get the vdev stats associated with the imported devices.
*/
@@ -2140,8 +2146,15 @@ spa_load_verify(spa_t *spa)
spa->spa_load_meta_errors = sle.sle_meta_count;
spa->spa_load_data_errors = sle.sle_data_count;
- if (!error && sle.sle_meta_count <= policy.zrp_maxmeta &&
- sle.sle_data_count <= policy.zrp_maxdata) {
+ if (sle.sle_meta_count != 0 || sle.sle_data_count != 0) {
+ spa_load_note(spa, "spa_load_verify found %llu metadata errors "
+ "and %llu data errors", (u_longlong_t)sle.sle_meta_count,
+ (u_longlong_t)sle.sle_data_count);
+ }
+
+ if (spa_load_verify_dryrun ||
+ (!error && sle.sle_meta_count <= policy.zrp_maxmeta &&
+ sle.sle_data_count <= policy.zrp_maxdata)) {
int64_t loss = 0;
verify_ok = B_TRUE;
@@ -2159,6 +2172,9 @@ spa_load_verify(spa_t *spa)
spa->spa_load_max_txg = spa->spa_uberblock.ub_txg;
}
+ if (spa_load_verify_dryrun)
+ return (0);
+
if (error) {
if (error != ENXIO && error != EIO)
error = SET_ERROR(EIO);