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author | mav <mav@FreeBSD.org> | 2014-10-21 06:23:14 +0000 |
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committer | mav <mav@FreeBSD.org> | 2014-10-21 06:23:14 +0000 |
commit | 227f786a57bf81df1145770edff4d261cf26c29a (patch) | |
tree | 404d37b391ef95c479237485c353219d6beca328 /share/man/man4/ada.4 | |
parent | 07a67189e887d07c8441bd07d605ba740741c877 (diff) | |
download | FreeBSD-src-227f786a57bf81df1145770edff4d261cf26c29a.zip FreeBSD-src-227f786a57bf81df1145770edff4d261cf26c29a.tar.gz |
MFC r262294 (by ivoras):
Explain how and where kern.cam.ada.write_cache can be set in practical
situations.
Diffstat (limited to 'share/man/man4/ada.4')
-rw-r--r-- | share/man/man4/ada.4 | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/share/man/man4/ada.4 b/share/man/man4/ada.4 index 698ce36..a7070dc 100644 --- a/share/man/man4/ada.4 +++ b/share/man/man4/ada.4 @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 8, 2012 +.Dd February 21, 2014 .Dt ADA 4 .Os .Sh NAME @@ -129,8 +129,13 @@ The default is currently enabled. These variables determines whether device write cache should be enabled globally or per-device or disabled. Set to 1 to enable write cache, 0 to disable, -1 to leave it as-is. -Values modified in runtime take effect only after device reset. -The global default is currently enabled. +Values modified at runtime take effect only after device reset +.Pq using the reset subcommand of Xr camcontrol 8 . +Because of that, this setting should be changed in +.Pa /boot/loader.conf +instead of +.Pa /etc/sysctl.conf . +The global default is currently 1. The per-device default is to leave it as-is (follow global setting). .El .Sh FILES |