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zed: Print return code on failed zpool_prepare_disk

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We had a case where we were autoreplacing a disk and
zpool_prepare_disk failed for some reason, and ZED
didn't log the return code.  This commit logs the code.

Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #17124
This commit is contained in:
Tony Hutter 2025-03-12 06:52:36 -07:00 committed by GitHub
parent fe674998bb
commit 62a9d372f8
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GPG Key ID: B5690EEEBB952194
1 changed files with 11 additions and 9 deletions
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20
cmd/zed/agents/zfs_mod.c
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@ -214,6 +214,7 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
vdev_stat_t *vs;
char **lines = NULL;
int lines_cnt = 0;
int rc;
/*
* Get the persistent path, typically under the '/dev/disk/by-id' or
@ -405,17 +406,17 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
}
nvlist_lookup_string(vdev, "new_devid", &new_devid);
if (is_mpath_wholedisk) {
/* Don't label device mapper or multipath disks. */
zed_log_msg(LOG_INFO,
" it's a multipath wholedisk, don't label");
if (zpool_prepare_disk(zhp, vdev, "autoreplace", &lines,
&lines_cnt) != 0) {
rc = zpool_prepare_disk(zhp, vdev, "autoreplace", &lines,
&lines_cnt);
if (rc != 0) {
zed_log_msg(LOG_INFO,
" zpool_prepare_disk: could not "
"prepare '%s' (%s)", fullpath,
libzfs_error_description(g_zfshdl));
"prepare '%s' (%s), path '%s', rc = %d", fullpath,
libzfs_error_description(g_zfshdl), path, rc);
if (lines_cnt > 0) {
zed_log_msg(LOG_INFO,
" zfs_prepare_disk output:");
@ -446,12 +447,13 @@ zfs_process_add(zpool_handle_t *zhp, nvlist_t *vdev, boolean_t labeled)
* If this is a request to label a whole disk, then attempt to
* write out the label.
*/
if (zpool_prepare_and_label_disk(g_zfshdl, zhp, leafname,
vdev, "autoreplace", &lines, &lines_cnt) != 0) {
rc = zpool_prepare_and_label_disk(g_zfshdl, zhp, leafname,
vdev, "autoreplace", &lines, &lines_cnt);
if (rc != 0) {
zed_log_msg(LOG_WARNING,
" zpool_prepare_and_label_disk: could not "
"label '%s' (%s)", leafname,
libzfs_error_description(g_zfshdl));
"label '%s' (%s), rc = %d", leafname,
libzfs_error_description(g_zfshdl), rc);
if (lines_cnt > 0) {
zed_log_msg(LOG_INFO,
" zfs_prepare_disk output:");