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| author | Jens Axboe <axboe@kernel.dk> | 2020-08-03 06:38:44 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-08-03 06:38:44 -0600 |
| commit | f59589fc89665102923725e80e12f782d5f74f67 (patch) | |
| tree | 412d26f3b5d9f5958a3678c77b07a7efc96ca619 /Documentation/admin-guide/md.rst | |
| parent | a9e8e18aaf914bf273ed63480c4c3d8dd626c95f (diff) | |
| parent | 45a4d8fd6c7926e7991a1b29233d725fe12935da (diff) | |
Merge branch 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md into for-5.9/driversfor-5.9/drivers-20200803
Pull MD fixes from Song.
* 'md-next' of https://git.kernel.org/pub/scm/linux/kernel/git/song/md:
md/raid5: Allow degraded raid6 to do rmw
md/raid5: Fix Force reconstruct-write io stuck in degraded raid5
raid5: don't duplicate code for different paths in handle_stripe
raid5-cache: hold spinlock instead of mutex in r5c_journal_mode_show
md: print errno in super_written
md/raid5: remove the redundant setting of STRIPE_HANDLE
md: register new md sysfs file 'uuid' read-only
md: fix max sectors calculation for super 1.0
Diffstat (limited to 'Documentation/admin-guide/md.rst')
| -rw-r--r-- | Documentation/admin-guide/md.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/md.rst b/Documentation/admin-guide/md.rst index d973d469ffc4..cc8781b96b4d 100644 --- a/Documentation/admin-guide/md.rst +++ b/Documentation/admin-guide/md.rst @@ -426,6 +426,10 @@ All md devices contain: The accepted values when writing to this file are ``ppl`` and ``resync``, used to enable and disable PPL. + uuid + This indicates the UUID of the array in the following format: + xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx + As component devices are added to an md array, they appear in the ``md`` directory as new directories named:: |