diff options
| author |   Song Liu <songliubraving@fb.com> | 2015-10-08 21:54:11 -0700 |
|---|---|---|
| committer |   NeilBrown <neilb@suse.com> | 2015-11-01 13:48:29 +1100 |
| commit | a3dfbdaadba2612faf11f025b8156c36e3700247 (patch) | |
| tree | 4813e5ebf37b2c15b01d9b93b9b54435e2a81f8a /drivers/md | |
| parent | raid5-cache: start raid5 readonly if journal is missing (diff) | |
| download | linux-dev-a3dfbdaadba2612faf11f025b8156c36e3700247.tar.xz linux-dev-a3dfbdaadba2612faf11f025b8156c36e3700247.zip | |
MD: kick out journal disk if it's not fresh
When journal disk is faulty and we are reassemabling the raid array, the
journal disk is old. We don't allow the journal disk added to the raid
array. Since journal disk is missing in the array, the raid5 will mark
the array readonly.
Signed-off-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/md')
| -rw-r--r-- | drivers/md/md.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c index bca859a6e3fd..f67cd5b68771 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1608,7 +1608,8 @@ static int super_1_validate(struct mddev *mddev, struct md_rdev *rdev) ++ev1; if (rdev->desc_nr >= 0 && rdev->desc_nr < le32_to_cpu(sb->max_dev) && - le16_to_cpu(sb->dev_roles[rdev->desc_nr]) < MD_DISK_ROLE_MAX) + (le16_to_cpu(sb->dev_roles[rdev->desc_nr]) < MD_DISK_ROLE_MAX || + le16_to_cpu(sb->dev_roles[rdev->desc_nr]) == MD_DISK_ROLE_JOURNAL)) if (ev1 < mddev->events) return -EINVAL; } else if (mddev->bitmap) { |