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kern.geom.mirror.sync_requests=2 seems to be a better default - it still

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keeps disks very busy, but makes system much more responsive.

While here, kill extra space.
This commit is contained in:
Pawel Jakub Dawidek 2006-03-19 10:49:05 +00:00
parent c365539d86
commit 18d370acae
1 changed files with 2 additions and 2 deletions
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4
sys/geom/mirror/g_mirror.c
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@ -67,7 +67,7 @@ TUNABLE_INT("kern.geom.mirror.disconnect_on_failure",
&g_mirror_disconnect_on_failure);
SYSCTL_UINT(_kern_geom_mirror, OID_AUTO, disconnect_on_failure, CTLFLAG_RW,
&g_mirror_disconnect_on_failure, 0, "Disconnect component on I/O failure.");
static u_int g_mirror_syncreqs = 4;
static u_int g_mirror_syncreqs = 2;
TUNABLE_INT("kern.geom.mirror.sync_requests", &g_mirror_syncreqs);
SYSCTL_UINT(_kern_geom_mirror, OID_AUTO, sync_requests, CTLFLAG_RDTUN,
&g_mirror_syncreqs, 0, "Parallel synchronization I/O requests.");
@ -2041,7 +2041,7 @@ g_mirror_determine_state(struct g_mirror_disk *disk)
state = G_MIRROR_DISK_STATE_ACTIVE;
} else {
if ((sc->sc_flags &
G_MIRROR_DEVICE_FLAG_NOAUTOSYNC) == 0 ||
G_MIRROR_DEVICE_FLAG_NOAUTOSYNC) == 0 ||
(disk->d_flags &
G_MIRROR_DISK_FLAG_FORCE_SYNC) != 0) {
/*