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- Turn off 'fast' mode by default and increase maximum memory to consume

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when this mode is used.
- Manual page update.
This commit is contained in:
Pawel Jakub Dawidek 2004-12-09 12:26:47 +00:00
parent f8aabcb680
commit 53ed4e0d54
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=138623
2 changed files with 5 additions and 5 deletions
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6
sbin/geom/class/stripe/gstripe.8
View File

@ -169,7 +169,7 @@ GEOM class.
This can be set to a number between 0 and 3 inclusive.
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
.It Va kern.geom.stripe.fast : No 0
If set to a non-zero value enable
.Dq "fast mode"
instead of the normal
@ -182,7 +182,7 @@ If enough memory cannot be allocated,
.Nm STRIPE
will fall back to
.Dq "economic mode" .
.It Va kern.geom.stripe.maxmem : No 1310720
.It Va kern.geom.stripe.maxmem : No 13107200
Maximum amount of memory that can be consumed by
.Dq "fast mode"
(in bytes).
@ -204,7 +204,7 @@ The following example shows how to set up a striped device from four disks with
create a file system on it,
and mount it:
.Bd -literal -offset indent
gstripe label -v -s 4096 data /dev/da0 /dev/da1 /dev/da2 /dev/da3
gstripe label -v -s 131072 data /dev/da0 /dev/da1 /dev/da2 /dev/da3
newfs /dev/stripe/data
mount /dev/stripe/data /mnt
[...]

4
sys/geom/stripe/g_stripe.c
View File

@ -72,7 +72,7 @@ static u_int g_stripe_debug = 0;
TUNABLE_INT("kern.geom.stripe.debug", &g_stripe_debug);
SYSCTL_UINT(_kern_geom_stripe, OID_AUTO, debug, CTLFLAG_RW, &g_stripe_debug, 0,
"Debug level");
static int g_stripe_fast = 1;
static int g_stripe_fast = 0;
TUNABLE_INT("kern.geom.stripe.fast", &g_stripe_fast);
static int
g_sysctl_stripe_fast(SYSCTL_HANDLER_ARGS)
@ -87,7 +87,7 @@ g_sysctl_stripe_fast(SYSCTL_HANDLER_ARGS)
}
SYSCTL_PROC(_kern_geom_stripe, OID_AUTO, fast, CTLTYPE_INT | CTLFLAG_RW,
NULL, 0, g_sysctl_stripe_fast, "I", "Fast, but memory-consuming, mode");
static u_int g_stripe_maxmem = MAX_IO_SIZE * 50;
static u_int g_stripe_maxmem = MAX_IO_SIZE * 100;
TUNABLE_INT("kern.geom.stripe.maxmem", &g_stripe_maxmem);
SYSCTL_UINT(_kern_geom_stripe, OID_AUTO, maxmem, CTLFLAG_RD, &g_stripe_maxmem,
0, "Maximum memory that can be allocated in \"fast\" mode (in bytes)");