44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From 4157e8da40ce976883c5b6e51e2352732e709b52 Mon Sep 17 00:00:00 2001
|
|
From: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
|
|
Date: Tue, 10 Sep 2024 14:17:58 +0200
|
|
Subject: [PATCH 190/201] md.man: update refference to raid5-ppl.rst
|
|
|
|
Documentation/md has moved to Documentation/driver-api/md.
|
|
Update and and rework sentence.
|
|
|
|
Remove refference to not supported kernel close to updated text.
|
|
|
|
Signed-off-by: Mariusz Tkaczyk <mariusz.tkaczyk@linux.intel.com>
|
|
---
|
|
md.4 | 10 ++--------
|
|
1 file changed, 2 insertions(+), 8 deletions(-)
|
|
|
|
diff --git a/md.4 b/md.4
|
|
index 7aef1577..9d5e55bf 100644
|
|
--- a/md.4
|
|
+++ b/md.4
|
|
@@ -937,18 +937,12 @@ Partial parity for a write operation is the XOR of stripe data chunks not
|
|
modified by the write. PPL is stored in the metadata region of RAID member drives,
|
|
no additional journal drive is needed.
|
|
After crashes, if one of the not modified data disks of
|
|
-the stripe is missing, this updated parity can be used to recover its
|
|
-data.
|
|
+the stripe is missing, this updated parity can be used to recover its data.
|
|
|
|
-This mechanism is documented more fully in the file
|
|
-Documentation/md/raid5-ppl.rst
|
|
+See Documentation/driver-api/md/raid5-ppl.rst for implementation details.
|
|
|
|
.SS WRITE-BEHIND
|
|
|
|
-From Linux 2.6.14,
|
|
-.I md
|
|
-supports WRITE-BEHIND on RAID1 arrays.
|
|
-
|
|
This allows certain devices in the array to be flagged as
|
|
.IR write-mostly .
|
|
MD will only read from such devices if there is no
|
|
--
|
|
2.41.0
|
|
|