diff options
| author | Pavel Zakharov <[email protected]> | 2016-09-14 11:01:40 -0400 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2018-05-14 14:32:49 -0400 |
| commit | 38a19edd34f6a3fc0c8d0f6b9750fc2df2856c9f (patch) | |
| tree | 92b240d1deee9efddbc699ca0327da51ca86ce56 /module/zfs/vdev.c | |
| parent | db7d07e14ba4b964f64058e2c3d121d32f8d53c4 (diff) | |
OpenZFS 9189 - Add debug to vdev_label_read_config when txg check fails
These changes were added to help debug issue #9187.
Essentially, in the original bug, vdev_validate() seems to fails in
vdev_label_read_config() and prints "failed reading config". This could
happen because either:
1. The labels are actually corrupt and zio_wait() fails for all of them
2. The labels were discarded because they didn't pass the txg check.
Beyond 9187, having debug info when case 2 happens could be useful in
other scenarios, such as zpool import.
Authored by: Pavel Zakharov <[email protected]>
Reviewed by: George Wilson <[email protected]>
Reviewed by: Prashanth Sreenivasa <[email protected]>
Reviewed-by: Giuseppe Di Natale <[email protected]>
Approved by: Matt Ahrens <[email protected]>
Ported-by: Brian Behlendorf <[email protected]>
OpenZFS-issue: https://illumos.org/issues/9189
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/f6af1b7
Closes #7533
Diffstat (limited to 'module/zfs/vdev.c')
| -rw-r--r-- | module/zfs/vdev.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/module/zfs/vdev.c b/module/zfs/vdev.c index cebac3bb9..7bb27f0ec 100644 --- a/module/zfs/vdev.c +++ b/module/zfs/vdev.c @@ -1704,7 +1704,8 @@ vdev_validate(vdev_t *vd) if ((label = vdev_label_read_config(vd, txg)) == NULL) { vdev_set_state(vd, B_TRUE, VDEV_STATE_CANT_OPEN, VDEV_AUX_BAD_LABEL); - vdev_dbgmsg(vd, "vdev_validate: failed reading config"); + vdev_dbgmsg(vd, "vdev_validate: failed reading config for " + "txg %llu", (u_longlong_t)txg); return (0); } |