Author: mav Date: Sun Sep 21 10:05:27 2014 New Revision: 271926 URL: http://svnweb.freebsd.org/changeset/base/271926
Log: Mention read_ahead tunables/sysctls. MFC after: 1 month Modified: head/share/man/man4/ada.4 Modified: head/share/man/man4/ada.4 ============================================================================== --- head/share/man/man4/ada.4 Sun Sep 21 09:09:37 2014 (r271925) +++ head/share/man/man4/ada.4 Sun Sep 21 10:05:27 2014 (r271926) @@ -25,7 +25,7 @@ .\" .\" $FreeBSD$ .\" -.Dd February 21, 2014 +.Dd September 21, 2014 .Dt ADA 4 .Os .Sh NAME @@ -123,11 +123,13 @@ seconds. This variable determines whether to spin-down disks when shutting down. Set to 1 to enable spin-down, 0 to disable. The default is currently enabled. +.It Va kern.cam.ada.read_ahead +.It Va kern.cam.ada. Ns Ar X Ns Va .read_ahead .It Va kern.cam.ada.write_cache .It Va kern.cam.ada. Ns Ar X Ns Va .write_cache .Pp -These variables determine whether device write cache should be enabled -globally or per-device or disabled. +These variables determine whether device read-ahead and write caches +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 at runtime take effect only after device reset .Pq using the reset subcommand of Xr camcontrol 8 . _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
