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author | pjd <pjd@FreeBSD.org> | 2004-07-13 11:28:40 +0000 |
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committer | pjd <pjd@FreeBSD.org> | 2004-07-13 11:28:40 +0000 |
commit | 51c2dcdfa6be88001e2163a443e83867b8e3bc2f (patch) | |
tree | cf1e7a55e0302f0b2979dc949e9f9c3f383c8f71 /sbin | |
parent | c684a2d6ede145e7ce2f862f7275dd01fcf34856 (diff) | |
download | FreeBSD-src-51c2dcdfa6be88001e2163a443e83867b8e3bc2f.zip FreeBSD-src-51c2dcdfa6be88001e2163a443e83867b8e3bc2f.tar.gz |
Document sysctls variables used by GEOM_STRIPE class.
Submitted by: simon
Diffstat (limited to 'sbin')
-rw-r--r-- | sbin/geom/class/stripe/gstripe.8 | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sbin/geom/class/stripe/gstripe.8 b/sbin/geom/class/stripe/gstripe.8 index 7d3143f..a190ff5 100644 --- a/sbin/geom/class/stripe/gstripe.8 +++ b/sbin/geom/class/stripe/gstripe.8 @@ -141,6 +141,41 @@ Specifies size of stripe block. .It Fl v Be more verbose. .El +.Sh SYSCTL VARIABLES +The following +.Xr sysctl 8 +variables can be used to control the behavior of +.Nm . +The default value is shown next to each variable. +.Bl -tag -width indent +.It Va kern.geom.stripe.debug : No 0 +Debug level of the +.Nm . +This can be set to a number between 0 and 3, both included. +If set to 0 minimal debug information is printed, and if set to 3 the +maximum amount of debug information in printed. +.It Va kern.geom.stripe.fast : No 1 +If set to a non-zero value enable +.Dq "fast mode" +instead of the normal +.Dq "economic mode" . +Compared to +.Dq "economic mode" +.Dq "fast mode" +uses more memory, but it is much faster for smaller stripe sizes. +If enough memory cannot be allocated +.Nm +will fall back to +.Dq "economic mode" . +.It Va kern.geom.stripe.maxmem : No 1310720 +Maximum amount of memory that can be consumed by +.Dq "fast mode" +(in bytes). +This +.Xr sysctl 8 +variable is read-only and can only be set as a tunable in +.Xr loader.conf 5 . +.El .Sh EXAMPLES The following example shows how to set up striped device from four disks for automatic configuration, create a file system on it, and mount it: @@ -157,9 +192,11 @@ gstripe unload Exit status is 0 on success, and 1 if the command fails. .Sh SEE ALSO .Xr geom 4 , +.Xr loader.conf 5 , .Xr geom 8 , .Xr mount 8 , .Xr newfs 8 , +.Xr sysctl 8 , .Xr umount 8 , .Xr vinum 8 .Sh HISTORY |