Changeset View
Changeset View
Standalone View
Standalone View
sys/contrib/openzfs/man/man5/zfs-module-parameters.5
Show First 20 Lines • Show All 3,933 Lines • ▼ Show 20 Lines | |||||
to limit potential SLOG device abuse by single active ZIL writer. | to limit potential SLOG device abuse by single active ZIL writer. | ||||
.sp | .sp | ||||
Default value: \fB786,432\fR. | Default value: \fB786,432\fR. | ||||
.RE | .RE | ||||
.sp | .sp | ||||
.ne 2 | .ne 2 | ||||
.na | .na | ||||
\fBzfs_embedded_slog_min_ms\fR (int) | |||||
.ad | |||||
.RS 12n | |||||
Usually, one metaslab from each (normal-class) vdev is dedicated for use by | |||||
the ZIL (to log synchronous writes). | |||||
However, if there are fewer than zfs_embedded_slog_min_ms metaslabs in the | |||||
vdev, this functionality is disabled. | |||||
This ensures that we don't set aside an unreasonable amount of space for the | |||||
ZIL. | |||||
.sp | |||||
Default value: \fB64\fR. | |||||
.RE | |||||
.sp | |||||
.ne 2 | |||||
.na | |||||
\fBzio_deadman_log_all\fR (int) | \fBzio_deadman_log_all\fR (int) | ||||
.ad | .ad | ||||
.RS 12n | .RS 12n | ||||
If non-zero, the zio deadman will produce debugging messages (see | If non-zero, the zio deadman will produce debugging messages (see | ||||
\fBzfs_dbgmsg_enable\fR) for all zios, rather than only for leaf | \fBzfs_dbgmsg_enable\fR) for all zios, rather than only for leaf | ||||
zios possessing a vdev. This is meant to be used by developers to gain | zios possessing a vdev. This is meant to be used by developers to gain | ||||
diagnostic information for hang conditions which don't involve a mutex | diagnostic information for hang conditions which don't involve a mutex | ||||
or other locking primitive; typically conditions in which a thread in | or other locking primitive; typically conditions in which a thread in | ||||
▲ Show 20 Lines • Show All 345 Lines • Show Last 20 Lines |