| Message ID | 20240911085432.37828-5-xni@redhat.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | mdadm tests fix | expand |
| Context | Check | Description |
|---|---|---|
| mdraidci/vmtest-md-6_12-PR | success | PR summary |
| mdraidci/vmtest-md-6_12-VM_Test-0 | success | Logs for build-kernel |
diff --git a/Grow.c b/Grow.c index ebb53a0dfe9c..60076f56054c 100644 --- a/Grow.c +++ b/Grow.c @@ -3034,6 +3034,13 @@ static int impose_level(int fd, int level, char *devname, int verbose) makedev(disk.major, disk.minor)); hot_remove_disk(fd, makedev(disk.major, disk.minor), 1); } + /* + * hot_remove_disk lets kernel set MD_RECOVERY_RUNNING + * and it can't set level. It needs to wait sometime + * to let md thread to clear the flag. + */ + pr_info("wait 5 seconds to give kernel space to finish job\n"); + sleep_for(5, 0, true); } c = map_num(pers, level); if (c) {
It needs to remove disks when reshaping from raid456 to raid0. In kernel space it sets MD_RECOVERY_RUNNING. And it will fail to change level. So wait sometime to let md thread to clear this flag. This is found by test case 05r6tor0. Signed-off-by: Xiao Ni <xni@redhat.com> --- v2: add log to give friendly message Grow.c | 7 +++++++ 1 file changed, 7 insertions(+)