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authorFerenc Wagner <wferi@niif.hu>2010-05-31 18:40:24 +0200
committerH. Peter Anvin <hpa@linux.intel.com>2010-06-07 14:54:45 -0700
commitcd508a8c968deda3b91a6c46ba1a1572753f3951 (patch)
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parent7f0b9b9404ba90009b656c80fb5caa444b47be9d (diff)
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menu docs: document MENU SAVE caveat with RAID-1
The usual RAID-1 ADV constraint... Signed-off-by: Ferenc Wagner <wferi@niif.hu> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'doc')
-rw-r--r--doc/menu.txt7
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/menu.txt b/doc/menu.txt
index c912c1df..af93558e 100644
--- a/doc/menu.txt
+++ b/doc/menu.txt
@@ -309,7 +309,12 @@ MENU NOSAVE
On the other hand, it handles changes in the configuration
file gracefully.
- The MENU SAVE information can be cleared with
+ NOTE: In software RAID-1 setups MENU SAVE only stores the
+ default label on the actual boot disk. This may lead to
+ inconsistent reads from the array, or unexpectedly change the
+ default label after array resynchronization or disk failure.
+
+ The MENU SAVE information can be fully cleared with
"extlinux --reset-adv <bootdir>".
A MENU SAVE or MENU NOSAVE at the top of a (sub)menu affects